chore: add macos config for tauri

This commit adds a test for extract_build_number(), which I forgot to do
in commit 067fb7144f6[1].

[1]: 067fb7144f

.github/workflows/enforce-no-dep-pizza-engine.yml

@@ -0,0 +1,18 @@
+name: Enforce no dependency pizza-engine
+
+on:
+  pull_request:
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: 
+        working-directory: ./src-tauri
+        run: |
+          # if cargo remove pizza-engine succeeds, then it is in our dependency list, fail the CI pipeline.
+          if cargo remove pizza-engine; then exit 1; fi

.github/workflows/release.yml

@@ -9,10 +9,16 @@ on:
 jobs:
   create-release:
     runs-on: ubuntu-latest
+
+    outputs:
+      APP_VERSION: ${{ steps.get-version.outputs.APP_VERSION }}
+      RELEASE_BODY: ${{ steps.get-changelog.outputs.RELEASE_BODY }}
+
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+
       - name: Set output
         id: vars
         run: echo "tag=${GITHUB_REF#refs/*/}" >> $GITHUB_OUTPUT
@@ -22,11 +28,28 @@ jobs:
         with:
           node-version: 20
 
+      - name: Get build version
+        shell: bash
+        id: get-version
+        run: |
+          PACKAGE_VERSION=$(jq -r '.version' package.json)
+          CARGO_VERSION=$(grep -m 1 '^version =' src-tauri/Cargo.toml | sed -E 's/.*"([^"]+)".*/\1/')
+          if [ "$PACKAGE_VERSION" != "$CARGO_VERSION" ]; then
+            echo "::error::Version mismatch!"
+          else
+            echo "Version match: $PACKAGE_VERSION"
+          fi
+          echo "APP_VERSION=$PACKAGE_VERSION" >> $GITHUB_OUTPUT
+
       - name: Generate changelog
-        id: create_release
+        id: get-changelog
-        run: npx changelogithub --draft --name ${{ steps.vars.outputs.tag }}
+        run: |
+          CHANGELOG_BODY=$(npx changelogithub --draft --name ${{ steps.vars.outputs.tag }})
+          echo "RELEASE_BODY<<EOF" >> $GITHUB_OUTPUT
+          echo "$CHANGELOG_BODY" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
         env:
-          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
   build-app:
     needs: create-release
@@ -52,11 +75,23 @@ jobs:
             target: "x86_64-unknown-linux-gnu"
           - platform: "ubuntu-22.04-arm"
             target: "aarch64-unknown-linux-gnu"
+    env:
+      APP_VERSION: ${{ needs.create-release.outputs.APP_VERSION }}
 
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+
+      - name: Checkout dependency repository
+        uses: actions/checkout@v4
+        with:
+          repository: 'infinilabs/pizza'
+          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}
+          submodules: recursive
+          ref: main
+          path: pizza
+
       - name: Setup node
         uses: actions/setup-node@v4
         with:
@@ -65,17 +100,31 @@ jobs:
         with:
           version: latest
 
-      - name: Install rust target
-        run: rustup target add ${{ matrix.target }}
-
       - name: Install dependencies (ubuntu only)
         if: startsWith(matrix.platform, 'ubuntu-22.04')
         run: |
           sudo apt-get update
           sudo apt-get install -y libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf xdg-utils
 
-      - name: Install Rust stable
+      - name: Add Rust build target
-        run: rustup toolchain install stable
+        working-directory: src-tauri
+        shell: bash
+        run: |
+          rustup target add ${{ matrix.target }} || true
+
+      - name: Add pizza engine as a dependency
+        working-directory: src-tauri
+        shell: bash
+        run: |
+          BUILD_ARGS="--target ${{ matrix.target }}"
+          if [[ "${{matrix.target }}" != "i686-pc-windows-msvc" ]]; then
+            echo "Adding pizza engine as a dependency for ${{matrix.platform }}-${{matrix.target }}"
+            ( cargo add --path ../pizza/lib/engine --features query_string_parser,persistence )
+            BUILD_ARGS+=" --features use_pizza_engine"
+          else
+            echo "Skipping pizza engine dependency for ${{matrix.platform }}-${{matrix.target }}"
+          fi
+          echo "BUILD_ARGS=${BUILD_ARGS}" >> $GITHUB_ENV
 
       - name: Rust cache
         uses: swatinem/rust-cache@v2
@@ -90,8 +139,8 @@ jobs:
 
       - name: Install app dependencies and build web
         run: pnpm install --frozen-lockfile
-
+      
-      - name: Build the app
+      - name: Build the coco at ${{ matrix.platform}} for ${{ matrix.target }} @ ${{ env.APP_VERSION }}
         uses: tauri-apps/tauri-action@v0
         env:
           CI: false
@@ -107,8 +156,8 @@ jobs:
           APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
         with:
           tagName: ${{ github.ref_name }}
-          releaseName: Coco ${{ needs.create-release.outputs.APP_VERSION }}
+          releaseName: Coco ${{ env.APP_VERSION }}
-          releaseBody: ""
+          releaseBody: "${{ needs.create-release.outputs.RELEASE_BODY }}"
           releaseDraft: true
           prerelease: false
-          args: --target ${{ matrix.target }}
+          args: ${{ env.BUILD_ARGS }}

.github/workflows/rust_code_check.yml

@@ -0,0 +1,61 @@
+name: Rust Code Check
+
+on:
+  pull_request:
+    # Only run it when Rust code changes
+    paths:
+      - 'src-tauri/**'
+
+jobs:
+  check:
+    strategy:
+      matrix:
+        platform: [ubuntu-latest, windows-latest, macos-latest]
+    
+    runs-on: ${{ matrix.platform }}
+    
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Checkout dependency (pizza-engine) repository
+      uses: actions/checkout@v4
+      with:
+        repository: 'infinilabs/pizza'
+        ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}
+        submodules: recursive
+        ref: main
+        path: pizza
+
+    - name: Install dependencies (ubuntu only)
+      if: startsWith(matrix.platform, 'ubuntu-latest')
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf xdg-utils
+
+    - name: Add pizza engine as a dependency
+      working-directory: src-tauri
+      shell: bash
+      run: cargo add --path ../pizza/lib/engine --features query_string_parser,persistence
+
+    - name: Format check
+      working-directory: src-tauri
+      shell: bash
+      run: |
+        rustup component add rustfmt
+        cargo fmt --all --check
+
+    - name: Check compilation (Without Pizza engine enabled)
+      working-directory: ./src-tauri
+      run: cargo check 
+
+    - name: Check compilation (With Pizza engine enabled)
+      working-directory: ./src-tauri
+      run: cargo check --features use_pizza_engine
+    
+    - name: Run tests (Without Pizza engine)
+      working-directory: ./src-tauri
+      run: cargo test
+
+    - name: Run tests (With Pizza engine)
+      working-directory: ./src-tauri
+      run: cargo test --features use_pizza_engine

.vscode/settings.json

@@ -8,11 +8,14 @@
     "clsx",
     "codegen",
     "dataurl",
+    "deeplink",
+    "deepthink",
     "dtolnay",
     "dyld",
     "elif",
     "errmsg",
     "fullscreen",
+    "fulltext",
     "headlessui",
     "Icdbb",
     "icns",
@@ -29,6 +32,8 @@
     "localstorage",
     "lucide",
     "maximizable",
+    "mdast",
+    "meval",
     "Minimizable",
     "msvc",
     "nord",
@@ -38,9 +43,11 @@
     "overscan",
     "partialize",
     "patchelf",
+    "Quicklink",
     "Raycast",
     "rehype",
     "reqwest",
+    "rerank",
     "rgba",
     "rustup",
     "screenshotable",
@@ -55,6 +62,7 @@
     "traptitech",
     "unlisten",
     "unlistener",
+    "unlisteners",
     "unminimize",
     "uuidv",
     "VITE",

Makefile

@@ -78,4 +78,8 @@ clean-rebuild:
 	$(MAKE) dev-build
 
 add-dep-pizza-engine:
-	cd src-tauri && cargo add --git ssh://git@github.com/infinilabs/pizza.git pizza-engine --features query_string_parser,persistence
+	cd src-tauri && cargo add --git ssh://git@github.com/infinilabs/pizza.git pizza-engine --features query_string_parser,persistence
+
+dev-build-with-pizza: add-dep-pizza-engine
+	@echo "Starting desktop development with Pizza Engine pulled in..."
+	RUST_BACKTRACE=1 pnpm tauri dev --features use_pizza_engine

README.md

@@ -91,6 +91,8 @@ pnpm tauri build
 
 - [Coco App Documentation](https://docs.infinilabs.com/coco-app/main/)
 - [Coco Server Documentation](https://docs.infinilabs.com/coco-server/main/)
+- [DeepWiki Coco App](https://deepwiki.com/infinilabs/coco-app)
+- [DeepWiki Coco Server](https://deepwiki.com/infinilabs/coco-server)
 - [Tauri Documentation](https://tauri.app/)
 
 ## Contributors

docs/content.en/docs/getting-started/installation/macos.md

@@ -1,21 +1,35 @@
 ---
 weight: 10
-title: "Mac OS"
+title: "macOS"
 asciinema: true
 ---
 
-# Mac OS
+# macOS
 
 ## Download Coco AI
 
-Goto [https://coco.rs/](https://coco.rs/)
+Go to [coco.rs](https://coco.rs/) and download the package of your architecture:
 
-{{% load-img "/img/download-mac-app.png" "" %}}
+{{% load-img "/img/macos/mac-download-app.png" "" %}}
+
+It should be placed in your "Downloads" folder:
+
+{{% load-img "/img/macos/mac-zip-file.png" "" %}}
 
 ## Unzip DMG file
 
-{{% load-img "/img/unzip-dmg-file.png" "" %}}
+Unzip the file:
+
+{{% load-img "/img/macos/mac-unzip-zip-file.png" "" %}}
+
+You will get a `dmg` file:
+
+{{% load-img "/img/macos/mac-dmg.png" "" %}}
 
 ## Drag to Application Folder
 
-{{% load-img "/img/drag-to-application-folder.png" "" %}}
+Double click the `dmg` file, a window will pop up. Then drag the "Coco-AI" app to 
+your "Applications" folder:
+
+{{% load-img "/img/macos/drag-to-app-folder.png" "" %}}
+

docs/content.en/docs/getting-started/installation/ubuntu.md

@@ -14,7 +14,9 @@ asciinema: true
 [if_x11]: https://unix.stackexchange.com/q/202891/498440
 
 
-## Goto [https://coco.rs/](https://coco.rs/)
+## Go to the download page
+
+Download page: [link](https://coco.rs/#install)
 
 ## Download the package
 

docs/content.en/docs/release-notes/_index.md

@@ -5,7 +5,7 @@ title: "Release Notes"
 
 # Release Notes
 
-Information about release notes of Coco Server is provided here.
+Information about release notes of Coco App is provided here.
 
 ## Latest (In development)
 
@@ -13,6 +13,122 @@ Information about release notes of Coco Server is provided here.
 
 ### 🚀 Features
 
+- feat: enhance ui for skipped version #834
+
+### 🐛 Bug fix
+
+- fix: fix issue with update check failure #833
+
+### ✈️ Improvements
+
+## 0.7.1 (2025-07-27)
+
+### ❌ Breaking changes
+
+### 🚀 Features
+
+### 🐛 Bug fix
+
+- fix: correct enter key behavior #828
+
+### ✈️ Improvements
+
+- chore: web component add notification component #825
+- refactor: collection behavior defaults to `MoveToActiveSpace`, and only use `CanJoinAllSpaces` when window is pinned #829
+
+## 0.7.0 (2025-07-25)
+
+### ❌ Breaking changes
+
+### 🚀 Features
+
+- feat: file search using spotlight #705
+- feat: voice input support in both search and chat modes #732
+- feat: text to speech now powered by LLM #750
+- feat: file search for Windows #762
+
+### 🐛 Bug fix
+
+- fix(file search): apply filters before from/size parameters #741
+- fix(file search): searching by name&content does not search file name #743
+- fix: prevent window from hiding when moved on Windows #748
+- fix: unregister ext hotkey when it gets deleted #770
+- fix: indexing apps does not respect search scope config #773
+- fix: restore missing category titles on subpages #772
+- fix: correct incorrect assistant display when quick ai access #779
+- fix: resolved minor issues with voice playback #780
+- fix: fixed incorrect taskbar icon display on linux #783
+- fix: fix data inconsistency issue on secondary pages #784
+- fix: incorrect status when installing extension #789
+- fix: increase read_timeout for HTTP streaming stability #798
+- fix: enter key problem #794
+- fix: fix selection issue after renaming #800
+- fix: fix shortcut issue in windows context menu #804
+- fix: panic caused by "state() called before manage()" #806
+- fix: fix multiline input issue #808
+- fix: fix ctrl+k not working #815
+- fix: fix update window config sync #818
+- fix: fix enter key on subpages #819
+- fix: panic on Ubuntu (GNOME) when opening apps #821
+
+### ✈️ Improvements
+
+- refactor: prioritize stat(2) when checking if a file is dir #737
+- refactor: change File Search ext type to extension #738
+- refactor: create chat & send chat api #739
+- chore: icon support for more file types #740
+- chore: replace meval-rs with our fork to clear dep warning #745
+- refactor: adjusted assistant, datasource, mcp_server interface parameters #746
+- refactor: adjust extension code hierarchy #747
+- chore: bump dep applications-rs #751
+- chore: rename QuickLink/quick_link to Quicklink/quicklink #752
+- chore: assistant params & styles #753
+- chore: make optional fields optional #758
+- chore: search-chat components add formatUrl & think data & icons url #765
+- chore: Coco app http request headers #744
+- refactor: do status code check before deserializing response #767
+- style: splash adapts to the width of mobile phones #768
+- chore: search-chat add language and formatUrl parameters #775
+- chore: not request the interface if not logged in #795
+- refactor: clean up unsupported characters from query string in Win Search #802
+- chore: display backtrace in panic log #805
+
+## 0.6.0 (2025-06-29)
+
+### ❌ Breaking changes
+
+### 🚀 Features
+
+- feat: support `Tab` and `Enter` for delete dialog buttons #700
+- feat: add check for updates #701
+- feat: impl extension store #699
+- feat: support back navigation via delete key #717
+
+### 🐛 Bug fix
+
+- fix: quick ai state synchronous #693
+- fix: toggle extension should register/unregister hotkey #691
+- fix: take coco server back on refresh #696
+- fix: some input fields couldn’t accept spaces #709
+- fix: context menu search not working #713
+- fix: open extension store display #724
+
+### ✈️ Improvements
+
+- refactor: use author/ext_id as extension unique identifier #643
+- refactor: refactoring search api #679
+- chore: continue to chat page display #690
+- chore: improve server list selection with enter key #692
+- chore: add message for latest version check #703
+- chore: log command execution results #718
+- chore: adjust styles and add button reindex #719
+
+## 0.5.0 (2025-06-13)
+
+### ❌ Breaking changes
+
+### 🚀 Features
+
 - feat: check or enter to close the list of assistants #469
 - feat: add dimness settings for pinned window #470
 - feat: supports Shift + Enter input box line feeds #472
@@ -24,17 +140,59 @@ Information about release notes of Coco Server is provided here.
 - feat: the search input box supports multi-line input #501
 - feat: websocket support self-signed TLS #504
 - feat: add option to allow self-signed certificates #509
+- feat: add AI summary component #518
+- feat: dynamic log level via env var COCO_LOG #535
+- feat: add quick AI access to search mode #556
+- feat: rerank search results #561
+- feat: ai overview support is enabled with shortcut #597
+- feat: add key monitoring during reset #615
+- feat: calculator extension add description #623
+- feat: support right-click actions after text selection #624
+- feat: add ai overview minimum number of search results configuration #625
+- feat: add internationalized translations of AI-related extensions #632
+- feat: context menu support for secondary pages #680
 
 ### 🐛 Bug fix
 
+- fix: solve the problem of modifying the assistant in the chat #476
 - fix: several issues around search #502
 - fix: fixed the newly created session has no title when it is deleted #511
 - fix: loading chat history for potential empty attachments
+- fix: datasource & MCP list synchronization update #521
+- fix: app icon & category icon #529
+- fix: show only enabled datasource & MCP list
+- fix: server image loading failure #534
+- fix: panic when fetching app metadata on Windows #538
+- fix: service switching error #539
+- fix: switch server assistant and session unchanged #540
+- fix: history list height #550
+- fix: secondary page cannot be searched #551
+- fix: the scroll button is not displayed by default #552
+- fix: suggestion list position #553
+- fix: independent chat window has no data #554
+- fix: resolved navigation error on continue chat action #558
+- fix: make extension search source respect parameter datasource #576
+- fix: fixed issue with incorrect login status #600
+- fix: new chat assistant id not found #603
+- fix: resolve regex error on older macOS versions #605
+- fix: fix chat log update and sorting issues #612
+- fix: resolved an issue where number keys were not working on the web #616
+- fix: do not panic when the datasource specified does not exist #618
+- fix: fixed modifier keys not working with continue chat #619
+- fix: invalid DSL error if input contains multiple lines #620
+- fix: fix ai overview hidden height before message #622
+- fix: tab key hides window in chat mode #641
+- fix: arrow keys still navigated search when menu opened with Cmd+K #642
+- fix: input lost when reopening dialog after search #644
+- fix: web page unmount event #645
+- fix: fix the problem of local path not opening #650
+- fix: number keys not following settings #661
+- fix: fix problem with up and down key indexing #676
+- fix: arrow inserting escape sequences #683
 
 ### ✈️ Improvements
 
 - chore: adjust list error message #475
-- fix: solve the problem of modifying the assistant in the chat #476
 - chore: refine wording on search failure
 - chore：search and MCP show hidden logic #494
 - chore: greetings show hidden logic #496
@@ -45,6 +203,32 @@ Information about release notes of Coco Server is provided here.
 - refactor: optimized the modification operation of the numeric input box #508
 - style: modify the style of the search input box #513
 - style: chat input icons show #515
+- refactor: refactoring icon component #514
+- refactor: optimizing list styles in markdown content #520
+- feat: add a component for text reading aloud #522
+- style: history component styles #528
+- style: search error styles #533
+- chore: skip register server that not logged in #536
+- refactor: service info related components #537
+- chore: chat content can be copied #539
+- refactor: refactoring search error #541
+- chore: add assistant count #542
+- chore: add global login judgment #544
+- chore: mark server offline on user logout #546
+- chore: logout update server profile #549
+- chore: assistant keyboard events and mouse events #559
+- chore: web component start page config #560
+- chore: assistant chat placeholder & refactor input box components #566
+- refactor: input box related components #568
+- chore: mark unavailable server to offline on refresh info #569
+- chore: only show available servers in chat #570
+- refactor: search result related components #571
+- chore: initialize current assistant from history #606
+- chore: add onContextMenu event #629
+- chore: more logs for the setup process #634
+- chore: copy supports http protocol #639
+- refactor: use author/ext_id as extension unique identifier #643
+- chore: add special character filtering #668
 
 ## 0.4.0 (2025-04-27)
 
@@ -74,6 +258,8 @@ Information about release notes of Coco Server is provided here.
 - feat: data sources support displaying customized icons #432
 - feat: add shortcut key conflict hint and reset function #442
 - feat: updated to include error message #465
+- feat: support third party extensions #572
+- feat: support ai overview #572
 
 ### Bug fix
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "coco",
   "private": true,
-  "version": "0.4.0",
+  "version": "0.7.1",
   "type": "module",
   "scripts": {
     "dev": "vite",
@@ -18,7 +18,6 @@
     "release-beta": "release-it --preRelease=beta --preReleaseBase=1"
   },
   "dependencies": {
-    "@ant-design/icons": "^6.0.0",
     "@headlessui/react": "^2.2.2",
     "@tauri-apps/api": "^2.5.0",
     "@tauri-apps/plugin-autostart": "~2.2.0",
@@ -27,6 +26,7 @@
     "@tauri-apps/plugin-global-shortcut": "~2.0.0",
     "@tauri-apps/plugin-http": "~2.0.2",
     "@tauri-apps/plugin-log": "~2.4.0",
+    "@tauri-apps/plugin-opener": "^2.2.7",
     "@tauri-apps/plugin-os": "^2.2.1",
     "@tauri-apps/plugin-process": "^2.2.1",
     "@tauri-apps/plugin-shell": "^2.2.1",
@@ -44,6 +44,7 @@
     "i18next-browser-languagedetector": "^8.1.0",
     "lodash-es": "^4.17.21",
     "lucide-react": "^0.461.0",
+    "mdast-util-gfm-autolink-literal": "2.0.0",
     "mermaid": "^11.6.0",
     "nanoid": "^5.1.5",
     "react": "^18.3.1",
@@ -58,10 +59,12 @@
     "remark-breaks": "^4.0.0",
     "remark-gfm": "^4.0.1",
     "remark-math": "^6.0.0",
+    "tailwind-merge": "^3.3.1",
     "tauri-plugin-fs-pro-api": "^2.4.0",
     "tauri-plugin-macos-permissions-api": "^2.3.0",
     "tauri-plugin-screenshots-api": "^2.2.0",
     "tauri-plugin-windows-version-api": "^2.0.0",
+    "type-fest": "^4.41.0",
     "use-debounce": "^10.0.4",
     "uuid": "^11.1.0",
     "wavesurfer.js": "^7.9.5",
@@ -89,5 +92,6 @@
     "tsx": "^4.19.4",
     "typescript": "^5.8.3",
     "vite": "^5.4.19"
-  }
+  },
-}
+  "packageManager": "pnpm@10.11.0+sha512.6540583f41cc5f628eb3d9773ecee802f4f9ef9923cc45b69890fb47991d4b092964694ec3a4f738a420c918a333062c8b925d312f42e4f0c263eb603551f977"
+}

pnpm-lock.yaml

@@ -8,9 +8,6 @@ importers:
 
   .:
     dependencies:
-      '@ant-design/icons':
-        specifier: ^6.0.0
-        version: 6.0.0(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
       '@headlessui/react':
         specifier: ^2.2.2
         version: 2.2.2(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
@@ -35,6 +32,9 @@ importers:
       '@tauri-apps/plugin-log':
         specifier: ~2.4.0
         version: 2.4.0
+      '@tauri-apps/plugin-opener':
+        specifier: ^2.2.7
+        version: 2.2.7
       '@tauri-apps/plugin-os':
         specifier: ^2.2.1
         version: 2.2.1
@@ -86,6 +86,9 @@ importers:
       lucide-react:
         specifier: ^0.461.0
         version: 0.461.0(react@18.3.1)
+      mdast-util-gfm-autolink-literal:
+        specifier: 2.0.0
+        version: 2.0.0
       mermaid:
         specifier: ^11.6.0
         version: 11.6.0
@@ -128,6 +131,9 @@ importers:
       remark-math:
         specifier: ^6.0.0
         version: 6.0.0
+      tailwind-merge:
+        specifier: ^3.3.1
+        version: 3.3.1
       tauri-plugin-fs-pro-api:
         specifier: ^2.4.0
         version: 2.4.0
@@ -140,6 +146,9 @@ importers:
       tauri-plugin-windows-version-api:
         specifier: ^2.0.0
         version: 2.0.0
+      type-fest:
+        specifier: ^4.41.0
+        version: 4.41.0
       use-debounce:
         specifier: ^10.0.4
         version: 10.0.4(react@18.3.1)
@@ -182,7 +191,7 @@ importers:
         version: 1.8.8
       '@vitejs/plugin-react':
         specifier: ^4.4.1
-        version: 4.4.1(vite@5.4.19(@types/node@22.15.17)(sass@1.87.0))
+        version: 4.4.1(vite@5.4.19(@types/node@22.15.17)(sass@1.87.0)(terser@5.40.0))
       autoprefixer:
         specifier: ^10.4.21
         version: 10.4.21(postcss@8.5.3)
@@ -215,7 +224,7 @@ importers:
         version: 5.8.3
       vite:
         specifier: ^5.4.19
-        version: 5.4.19(@types/node@22.15.17)(sass@1.87.0)
+        version: 5.4.19(@types/node@22.15.17)(sass@1.87.0)(terser@5.40.0)
 
 packages:
 
@@ -227,23 +236,6 @@ packages:
     resolution: {integrity: sha512-30iZtAPgz+LTIYoeivqYo853f02jBYSd5uGnGpkFV0M3xOt9aN73erkgYAmZU43x4VfqcnLxW9Kpg3R5LC4YYw==}
     engines: {node: '>=6.0.0'}
 
-  '@ant-design/colors@8.0.0':
-    resolution: {integrity: sha512-6YzkKCw30EI/E9kHOIXsQDHmMvTllT8STzjMb4K2qzit33RW2pqCJP0sk+hidBntXxE+Vz4n1+RvCTfBw6OErw==}
-
-  '@ant-design/fast-color@3.0.0':
-    resolution: {integrity: sha512-eqvpP7xEDm2S7dUzl5srEQCBTXZMmY3ekf97zI+M2DHOYyKdJGH0qua0JACHTqbkRnD/KHFQP9J1uMJ/XWVzzA==}
-    engines: {node: '>=8.x'}
-
-  '@ant-design/icons-svg@4.4.2':
-    resolution: {integrity: sha512-vHbT+zJEVzllwP+CM+ul7reTEfBR0vgxFe7+lREAsAA7YGsYpboiq2sQNeQeRvh09GfQgs/GyFEvZpJ9cLXpXA==}
-
-  '@ant-design/icons@6.0.0':
-    resolution: {integrity: sha512-o0aCCAlHc1o4CQcapAwWzHeaW2x9F49g7P3IDtvtNXgHowtRWYb7kiubt8sQPFvfVIVU/jLw2hzeSlNt0FU+Uw==}
-    engines: {node: '>=8'}
-    peerDependencies:
-      react: '>=16.0.0'
-      react-dom: '>=16.0.0'
-
   '@antfu/install-pkg@1.1.0':
     resolution: {integrity: sha512-MGQsmw10ZyI+EJo45CdSER4zEb+p31LpDAFp2Z3gkSd1yqVZGi0Ebx++YTEMonJy4oChEMLsxZ64j8FH6sSqtQ==}
 
@@ -813,6 +805,9 @@ packages:
     resolution: {integrity: sha512-R8gLRTZeyp03ymzP/6Lil/28tGeGEzhx1q2k703KGWRAI1VdvPIXdG70VJc2pAMw3NA6JKL5hhFu1sJX0Mnn/A==}
     engines: {node: '>=6.0.0'}
 
+  '@jridgewell/source-map@0.3.6':
+    resolution: {integrity: sha512-1ZJTZebgqllO79ue2bm3rIGud/bOe0pP5BjSRCRxxYkEZS8STV7zN84UBbiYu7jy+eCKSnVIUgoWWE/tt+shMQ==}
+
   '@jridgewell/sourcemap-codec@1.5.0':
     resolution: {integrity: sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ==}
 
@@ -990,12 +985,6 @@ packages:
     resolution: {integrity: sha512-c83qWb22rNRuB0UaVCI0uRPNRr8Z0FWnEIvT47jiHAmOIUHbBOg5XvV7pM5x+rKn9HRpjxquDbXYSXr3fAKFcw==}
     engines: {node: '>=12'}
 
-  '@rc-component/util@1.2.1':
-    resolution: {integrity: sha512-AUVu6jO+lWjQnUOOECwu8iR0EdElQgWW5NBv5vP/Uf9dWbAX3udhMutRlkVXjuac2E40ghkFy+ve00mc/3Fymg==}
-    peerDependencies:
-      react: '>=18.0.0'
-      react-dom: '>=18.0.0'
-
   '@react-aria/focus@3.20.2':
     resolution: {integrity: sha512-Q3rouk/rzoF/3TuH6FzoAIKrl+kzZi9LHmr8S5EqLAOyP9TXIKG34x2j42dZsAhrw7TbF9gA8tBKwnCNH4ZV+Q==}
     peerDependencies:
@@ -1256,6 +1245,9 @@ packages:
   '@tauri-apps/plugin-log@2.4.0':
     resolution: {integrity: sha512-j7yrDtLNmayCBOO2esl3aZv9jSXy2an8MDLry3Ys9ZXerwUg35n1Y2uD8HoCR+8Ng/EUgx215+qOUfJasjYrHw==}
 
+  '@tauri-apps/plugin-opener@2.2.7':
+    resolution: {integrity: sha512-uduEyvOdjpPOEeDRrhwlCspG/f9EQalHumWBtLBnp3fRp++fKGLqDOyUhSIn7PzX45b/rKep//ZQSAQoIxobLA==}
+
   '@tauri-apps/plugin-os@2.2.1':
     resolution: {integrity: sha512-cNYpNri2CCc6BaNeB6G/mOtLvg8dFyFQyCUdf2y0K8PIAKGEWdEcu8DECkydU2B+oj4OJihDPD2de5K6cbVl9A==}
 
@@ -1583,6 +1575,9 @@ packages:
     engines: {node: ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7}
     hasBin: true
 
+  buffer-from@1.1.2:
+    resolution: {integrity: sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==}
+
   bundle-name@4.1.0:
     resolution: {integrity: sha512-tjwM5exMg6BGRI+kNmTntNsvdZS1X8BFYS6tnJ2hdH0kVxM6/eVZ2xy+FqStSWvYmtfFMDLIxurorHwDKfDz5Q==}
     engines: {node: '>=18'}
@@ -1658,9 +1653,6 @@ packages:
     resolution: {integrity: sha512-cYY9mypksY8NRqgDB1XD1RiJL338v/551niynFTGkZOO2LHuB2OmOYxDIe/ttN9AHwrqdum1360G3ald0W9kCg==}
     engines: {node: '>=8'}
 
-  classnames@2.5.1:
-    resolution: {integrity: sha512-saHYOzhIQs6wy2sVxTM6bUDsQO4F50V9RQ22qBpEdCW+I+/Wmke2HOl6lS6dTpdxVhb88/I6+Hs+438c3lfUow==}
-
   cli-boxes@3.0.0:
     resolution: {integrity: sha512-/lzGpEWL/8PfI0BmBOPRwp0c/wFNX1RdUML3jK/RcSBA9T8mZDdQpqYBKtCFTOfQbwPqWEOpjqW+Fnayc0969g==}
     engines: {node: '>=10'}
@@ -1695,6 +1687,9 @@ packages:
   comma-separated-tokens@2.0.3:
     resolution: {integrity: sha512-Fu4hJdvzeylCfQPp9SGWidpzrMs7tTrlu6Vb8XGaRGck8QSNZJJp538Wrb60Lax4fPwR64ViY468OIUTbRlGZg==}
 
+  commander@2.20.3:
+    resolution: {integrity: sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==}
+
   commander@4.1.1:
     resolution: {integrity: sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==}
     engines: {node: '>= 6'}
@@ -2640,8 +2635,8 @@ packages:
   mdast-util-from-markdown@2.0.2:
     resolution: {integrity: sha512-uZhTV/8NBuw0WHkPTrCqDOl0zVe1BIng5ZtHoDk49ME1qqcjYmmLmOf0gELgcRMxN4w2iuIeVso5/6QymSrgmA==}
 
-  mdast-util-gfm-autolink-literal@2.0.1:
+  mdast-util-gfm-autolink-literal@2.0.0:
-    resolution: {integrity: sha512-5HVP2MKaP6L+G6YaxPNjuL0BPrq9orG3TsrZ9YXbA3vDw/ACI4MEsnoDpn6ZNm7GnZgtAcONJyPhOP8tNJQavQ==}
+    resolution: {integrity: sha512-FyzMsduZZHSc3i0Px3PQcBT4WJY/X/RCtEJKuybiC6sjPqLv7h1yqAkmILZtuxMSsUyaLUWNp71+vQH2zqp5cg==}
 
   mdast-util-gfm-footnote@2.1.0:
     resolution: {integrity: sha512-sqpDWlsHn7Ac9GNZQMeUzPQSMzR6Wv0WKRNvQRg0KqHh02fpTz69Qc1QSseNX29bhz1ROIyNyxExfawVKTm1GQ==}
@@ -3137,9 +3132,6 @@ packages:
       typescript:
         optional: true
 
-  react-is@18.3.1:
-    resolution: {integrity: sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg==}
-
   react-markdown@9.1.0:
     resolution: {integrity: sha512-xaijuJB0kzGiUdG7nc2MOMDUDBWPyGAjZtUrow9XxUeua8IqeP+VlIfAZ3bphpcLTnSZXz6z9jcVC/TCwbfgdw==}
     peerDependencies:
@@ -3346,6 +3338,9 @@ packages:
     resolution: {integrity: sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==}
     engines: {node: '>=0.10.0'}
 
+  source-map-support@0.5.21:
+    resolution: {integrity: sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==}
+
   source-map@0.6.1:
     resolution: {integrity: sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==}
     engines: {node: '>=0.10.0'}
@@ -3423,6 +3418,9 @@ packages:
   tabbable@6.2.0:
     resolution: {integrity: sha512-Cat63mxsVJlzYvN51JmVXIgNoUokrIaT2zLclCXjRd8boZ0004U4KCs/sToJ75C6sdlByWxpYnb5Boif1VSFew==}
 
+  tailwind-merge@3.3.1:
+    resolution: {integrity: sha512-gBXpgUm/3rp1lMZZrM/w7D8GKqshif0zAymAhbCyIt8KMe+0v9DQ7cdYLR4FHH/cKpdTXb+A/tKKU3eolfsI+g==}
+
   tailwindcss@3.4.17:
     resolution: {integrity: sha512-w33E2aCvSDP0tW9RZuNXadXlkHXqFzSkQew/aIa2i/Sj8fThxwovwlXHSPXTbAHwEIhBFXAedUhP2tueAKP8Og==}
     engines: {node: '>=14.0.0'}
@@ -3440,6 +3438,11 @@ packages:
   tauri-plugin-windows-version-api@2.0.0:
     resolution: {integrity: sha512-tty5n4ASYbXpnsD5ws2iTcTTpDCrSbzRTVp5Bo3UTpYGqlN1gBn2Zk8s3oO4w7VIM5WtJhDM9Jr/UgoTk7tFJQ==}
 
+  terser@5.40.0:
+    resolution: {integrity: sha512-cfeKl/jjwSR5ar7d0FGmave9hFGJT8obyo0z+CrQOylLDbk7X81nPU6vq9VORa5jU30SkDnT2FXjLbR8HLP+xA==}
+    engines: {node: '>=10'}
+    hasBin: true
+
   thenify-all@1.6.0:
     resolution: {integrity: sha512-RNxQH/qI8/t3thXJDwcstUO4zeqo64+Uy/+sNVRBx4Xn2OX+OZ9oP+iJnNFqplFra2ZUVeKCSa2oVWi3T4uVmA==}
     engines: {node: '>=0.8'}
@@ -3774,23 +3777,6 @@ snapshots:
       '@jridgewell/gen-mapping': 0.3.8
       '@jridgewell/trace-mapping': 0.3.25
 
-  '@ant-design/colors@8.0.0':
-    dependencies:
-      '@ant-design/fast-color': 3.0.0
-
-  '@ant-design/fast-color@3.0.0': {}
-
-  '@ant-design/icons-svg@4.4.2': {}
-
-  '@ant-design/icons@6.0.0(react-dom@18.3.1(react@18.3.1))(react@18.3.1)':
-    dependencies:
-      '@ant-design/colors': 8.0.0
-      '@ant-design/icons-svg': 4.4.2
-      '@rc-component/util': 1.2.1(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
-      classnames: 2.5.1
-      react: 18.3.1
-      react-dom: 18.3.1(react@18.3.1)
-
   '@antfu/install-pkg@1.1.0':
     dependencies:
       package-manager-detector: 1.3.0
@@ -4260,6 +4246,12 @@ snapshots:
 
   '@jridgewell/set-array@1.2.1': {}
 
+  '@jridgewell/source-map@0.3.6':
+    dependencies:
+      '@jridgewell/gen-mapping': 0.3.8
+      '@jridgewell/trace-mapping': 0.3.25
+    optional: true
+
   '@jridgewell/sourcemap-codec@1.5.0': {}
 
   '@jridgewell/trace-mapping@0.3.25':
@@ -4427,12 +4419,6 @@ snapshots:
       '@pnpm/network.ca-file': 1.0.2
       config-chain: 1.1.13
 
-  '@rc-component/util@1.2.1(react-dom@18.3.1(react@18.3.1))(react@18.3.1)':
-    dependencies:
-      react: 18.3.1
-      react-dom: 18.3.1(react@18.3.1)
-      react-is: 18.3.1
-
   '@react-aria/focus@3.20.2(react-dom@18.3.1(react@18.3.1))(react@18.3.1)':
     dependencies:
       '@react-aria/interactions': 3.25.0(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
@@ -4637,6 +4623,10 @@ snapshots:
     dependencies:
       '@tauri-apps/api': 2.5.0
 
+  '@tauri-apps/plugin-opener@2.2.7':
+    dependencies:
+      '@tauri-apps/api': 2.5.0
+
   '@tauri-apps/plugin-os@2.2.1':
     dependencies:
       '@tauri-apps/api': 2.5.0
@@ -4878,14 +4868,14 @@ snapshots:
 
   '@ungap/structured-clone@1.3.0': {}
 
-  '@vitejs/plugin-react@4.4.1(vite@5.4.19(@types/node@22.15.17)(sass@1.87.0))':
+  '@vitejs/plugin-react@4.4.1(vite@5.4.19(@types/node@22.15.17)(sass@1.87.0)(terser@5.40.0))':
     dependencies:
       '@babel/core': 7.27.1
       '@babel/plugin-transform-react-jsx-self': 7.27.1(@babel/core@7.27.1)
       '@babel/plugin-transform-react-jsx-source': 7.27.1(@babel/core@7.27.1)
       '@types/babel__core': 7.20.5
       react-refresh: 0.17.0
-      vite: 5.4.19(@types/node@22.15.17)(sass@1.87.0)
+      vite: 5.4.19(@types/node@22.15.17)(sass@1.87.0)(terser@5.40.0)
     transitivePeerDependencies:
       - supports-color
 
@@ -5014,6 +5004,9 @@ snapshots:
       node-releases: 2.0.19
       update-browserslist-db: 1.1.3(browserslist@4.24.5)
 
+  buffer-from@1.1.2:
+    optional: true
+
   bundle-name@4.1.0:
     dependencies:
       run-applescript: 7.0.0
@@ -5084,8 +5077,6 @@ snapshots:
 
   ci-info@4.2.0: {}
 
-  classnames@2.5.1: {}
-
   cli-boxes@3.0.0: {}
 
   cli-cursor@5.0.0:
@@ -5110,6 +5101,9 @@ snapshots:
 
   comma-separated-tokens@2.0.3: {}
 
+  commander@2.20.3:
+    optional: true
+
   commander@4.1.1: {}
 
   commander@7.2.0: {}
@@ -6114,7 +6108,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  mdast-util-gfm-autolink-literal@2.0.1:
+  mdast-util-gfm-autolink-literal@2.0.0:
     dependencies:
       '@types/mdast': 4.0.4
       ccount: 2.0.1
@@ -6162,7 +6156,7 @@ snapshots:
   mdast-util-gfm@3.1.0:
     dependencies:
       mdast-util-from-markdown: 2.0.2
-      mdast-util-gfm-autolink-literal: 2.0.1
+      mdast-util-gfm-autolink-literal: 2.0.0
       mdast-util-gfm-footnote: 2.1.0
       mdast-util-gfm-strikethrough: 2.0.0
       mdast-util-gfm-table: 2.0.0
@@ -6830,8 +6824,6 @@ snapshots:
       react-dom: 18.3.1(react@18.3.1)
       typescript: 5.8.3
 
-  react-is@18.3.1: {}
-
   react-markdown@9.1.0(@types/react@18.3.21)(react@18.3.1):
     dependencies:
       '@types/hast': 3.0.4
@@ -7121,6 +7113,12 @@ snapshots:
 
   source-map-js@1.2.1: {}
 
+  source-map-support@0.5.21:
+    dependencies:
+      buffer-from: 1.1.2
+      source-map: 0.6.1
+    optional: true
+
   source-map@0.6.1:
     optional: true
 
@@ -7197,6 +7195,8 @@ snapshots:
 
   tabbable@6.2.0: {}
 
+  tailwind-merge@3.3.1: {}
+
   tailwindcss@3.4.17:
     dependencies:
       '@alloc/quick-lru': 5.2.0
@@ -7240,6 +7240,14 @@ snapshots:
     dependencies:
       '@tauri-apps/api': 2.5.0
 
+  terser@5.40.0:
+    dependencies:
+      '@jridgewell/source-map': 0.3.6
+      acorn: 8.14.1
+      commander: 2.20.3
+      source-map-support: 0.5.21
+    optional: true
+
   thenify-all@1.6.0:
     dependencies:
       thenify: 3.3.1
@@ -7426,7 +7434,7 @@ snapshots:
       '@types/unist': 3.0.3
       vfile-message: 4.0.2
 
-  vite@5.4.19(@types/node@22.15.17)(sass@1.87.0):
+  vite@5.4.19(@types/node@22.15.17)(sass@1.87.0)(terser@5.40.0):
     dependencies:
       esbuild: 0.21.5
       postcss: 8.5.3
@@ -7435,6 +7443,7 @@ snapshots:
       '@types/node': 22.15.17
       fsevents: 2.3.3
       sass: 1.87.0
+      terser: 5.40.0
 
   void-elements@3.1.0: {}
 

scripts/devWeb.ts

@@ -0,0 +1 @@
+(() => {})();

src-tauri/Cargo.toml

@@ -1,9 +1,9 @@
 [package]
 name = "coco"
-version = "0.4.0"
+version = "0.7.1"
 description = "Search, connect, collaborate – all in one place."
 authors = ["INFINI Labs"]
-edition = "2021"
+edition = "2024"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [lib]
@@ -44,12 +44,12 @@ use_pizza_engine = []
 [dependencies]
 pizza-common = { git = "https://github.com/infinilabs/pizza-common", branch = "main" }
 
-tauri = { version = "2", features = ["protocol-asset", "macos-private-api", "tray-icon", "image-ico", "image-png", "unstable"] }
+tauri = { version = "2", features = ["protocol-asset", "macos-private-api", "tray-icon", "image-ico", "image-png"] }
 tauri-plugin-shell = "2"
 serde = { version = "1", features = ["derive"] }
 # Need `arbitrary_precision` feature to support storing u128
 # see: https://docs.rs/serde_json/latest/serde_json/struct.Number.html#method.from_u128
-serde_json = { version = "1", features = ["arbitrary_precision"] }
+serde_json = { version = "1", features = ["arbitrary_precision", "preserve_order"] }
 tauri-plugin-http = "2"
 tauri-plugin-websocket = "2"
 tauri-plugin-deep-link = "2.0.0"
@@ -62,7 +62,7 @@ tauri-plugin-drag = "2"
 tauri-plugin-macos-permissions = "2"
 tauri-plugin-fs-pro = "2"
 tauri-plugin-screenshots = "2"
-applications = { git = "https://github.com/infinilabs/applications-rs", rev = "7bb507e6b12f73c96f3a52f0578d0246a689f381" }
+applications = { git = "https://github.com/infinilabs/applications-rs", rev = "31b0c030a0f3bc82275fe12debe526153978671d" }
 tokio-native-tls = "0.3"  # For wss connections
 tokio = { version = "1", features = ["full"] }
 tokio-tungstenite = { version = "0.20", features = ["native-tls"] }
@@ -81,21 +81,35 @@ plist = "1.7"
 base64 = "0.13"
 walkdir = "2"
 log = "0.4"
-
+strsim = "0.10"
 futures-util = "0.3.31"
-url = "2.5.2"
 http = "1.1.0"
 tungstenite = "0.24.0"
 tokio-util = "0.7.14"
 tauri-plugin-windows-version = "2"
-meval = "0.2"
+meval = { git = "https://github.com/infinilabs/meval-rs" }
 chinese-number = "0.7"
 num2words = "1"
 tauri-plugin-log = "2"
 chrono = "0.4.41"
+serde_plain = "1.0.2"
+derive_more = { version = "2.0.1", features = ["display"] }
+anyhow = "1.0.98"
+function_name = "0.3.0"
+regex = "1.11.1"
+borrowme = "0.0.15"
+tauri-plugin-opener = "2"
+async-recursion = "1.1.1"
+zip = "4.0.0"
+url = "2.5.2"
+camino = "1.1.10"
+tokio-stream = { version = "0.1.17", features = ["io-util"] }
+cfg-if = "1.0.1"
+sysinfo = "0.35.2"
 
 [target."cfg(target_os = \"macos\")".dependencies]
 tauri-nspanel = { git = "https://github.com/ahkohd/tauri-nspanel", branch = "v2" }
+cocoa = "0.24"
 
 [target."cfg(any(target_os = \"macos\", windows, target_os = \"linux\"))".dependencies]
 tauri-plugin-single-instance = { version = "2.0.0", features = ["deep-link"] }
@@ -114,6 +128,9 @@ strip = true # Ensures debug symbols are removed.
 tauri-plugin-autostart = "^2.2"
 tauri-plugin-global-shortcut = "2"
 tauri-plugin-updater = { git = "https://github.com/infinilabs/plugins-workspace", branch = "v2" }
+# This should be compatible with the semver used by `tauri-plugin-updater`
+semver = { version = "1", features = ["serde"] }
 
 [target."cfg(target_os = \"windows\")".dependencies]
 enigo="0.3"
+windows = { version = "0.61.3", features = ["Win32_Foundation", "Win32_System_Com", "Win32_System_Ole", "Win32_System_Search", "Win32_UI_Shell_PropertiesSystem", "Win32_Data"] }

src-tauri/build.rs

@@ -1,3 +1,14 @@
 fn main() {
-    tauri_build::build()
+    tauri_build::build();
+
+    // If env var `GITHUB_ACTIONS` exists, we are running in CI, set up the `ci`
+    // attribute
+    if std::env::var("GITHUB_ACTIONS").is_ok() {
+        println!("cargo:rustc-cfg=ci");
+    }
+
+    // Notify `rustc` of this `cfg` attribute to suppress unknown attribute warnings.
+    //
+    // unexpected condition name: `ci`
+    println!("cargo::rustc-check-cfg=cfg(ci)");
 }

src-tauri/capabilities/default.json

@@ -2,7 +2,7 @@
   "$schema": "../gen/schemas/desktop-schema.json",
   "identifier": "default",
   "description": "Capability for the main window",
-  "windows": ["main", "chat", "settings"],
+  "windows": ["main", "chat", "settings", "check"],
   "permissions": [
     "core:default",
     "core:event:allow-emit",
@@ -71,6 +71,7 @@
     "process:default",
     "updater:default",
     "windows-version:default",
-    "log:default"
+    "log:default",
+    "opener:default"
   ]
 }

src-tauri/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "nightly-2024-10-29"
+channel = "nightly-2025-06-26"

src-tauri/src/assistant/mod.rs

@@ -1,10 +1,16 @@
-use crate::common;
 use crate::common::assistant::ChatRequestMessage;
-use crate::common::http::GetResponse;
+use crate::common::http::{GetResponse, convert_query_params_to_strings};
+use crate::common::register::SearchSourceRegistry;
 use crate::server::http_client::HttpClient;
+use crate::{common, server::servers::COCO_SERVERS};
+use futures::StreamExt;
+use futures::stream::FuturesUnordered;
+use futures_util::TryStreamExt;
+use http::Method;
 use serde_json::Value;
 use std::collections::HashMap;
-use tauri::{AppHandle, Runtime};
+use tauri::{AppHandle, Emitter, Manager, Runtime};
+use tokio::io::AsyncBufReadExt;
 
 #[tauri::command]
 pub async fn chat_history<R: Runtime>(
@@ -14,17 +20,15 @@ pub async fn chat_history<R: Runtime>(
     size: u32,
     query: Option<String>,
 ) -> Result<String, String> {
-    let mut query_params: HashMap<String, Value> = HashMap::new();
+    let mut query_params = Vec::new();
-    if from > 0 {
+
-        query_params.insert("from".to_string(), from.into());
+    // Add from/size as number values
-    }
+    query_params.push(format!("from={}", from));
-    if size > 0 {
+    query_params.push(format!("size={}", size));
-        query_params.insert("size".to_string(), size.into());
-    }
 
     if let Some(query) = query {
         if !query.is_empty() {
-            query_params.insert("query".to_string(), query.into());
+            query_params.push(format!("query={}", query.to_string()));
         }
     }
 
@@ -46,13 +50,11 @@ pub async fn session_chat_history<R: Runtime>(
     from: u32,
     size: u32,
 ) -> Result<String, String> {
-    let mut query_params: HashMap<String, Value> = HashMap::new();
+    let mut query_params = Vec::new();
-    if from > 0 {
+
-        query_params.insert("from".to_string(), from.into());
+    // Add from/size as number values
-    }
+    query_params.push(format!("from={}", from));
-    if size > 0 {
+    query_params.push(format!("size={}", size));
-        query_params.insert("size".to_string(), size.into());
-    }
 
     let path = format!("/chat/{}/_history", session_id);
 
@@ -69,10 +71,9 @@ pub async fn open_session_chat<R: Runtime>(
     server_id: String,
     session_id: String,
 ) -> Result<String, String> {
-    let query_params = HashMap::new();
     let path = format!("/chat/{}/_open", session_id);
 
-    let response = HttpClient::post(&server_id, path.as_str(), Some(query_params), None)
+    let response = HttpClient::post(&server_id, path.as_str(), None, None)
         .await
         .map_err(|e| format!("Error open session: {}", e))?;
 
@@ -85,10 +86,9 @@ pub async fn close_session_chat<R: Runtime>(
     server_id: String,
     session_id: String,
 ) -> Result<String, String> {
-    let query_params = HashMap::new();
     let path = format!("/chat/{}/_close", session_id);
 
-    let response = HttpClient::post(&server_id, path.as_str(), Some(query_params), None)
+    let response = HttpClient::post(&server_id, path.as_str(), None, None)
         .await
         .map_err(|e| format!("Error close session: {}", e))?;
 
@@ -99,11 +99,12 @@ pub async fn cancel_session_chat<R: Runtime>(
     _app_handle: AppHandle<R>,
     server_id: String,
     session_id: String,
+    query_params: Option<HashMap<String, Value>>,
 ) -> Result<String, String> {
-    let query_params = HashMap::new();
     let path = format!("/chat/{}/_cancel", session_id);
+    let query_params = convert_query_params_to_strings(query_params);
 
-    let response = HttpClient::post(&server_id, path.as_str(), Some(query_params), None)
+    let response = HttpClient::post(&server_id, path.as_str(), query_params, None)
         .await
         .map_err(|e| format!("Error cancel session: {}", e))?;
 
@@ -134,15 +135,22 @@ pub async fn new_chat<R: Runtime>(
     let mut headers = HashMap::new();
     headers.insert("WEBSOCKET-SESSION-ID".to_string(), websocket_id.into());
 
-    let response =
+    let response = HttpClient::advanced_post(
-        HttpClient::advanced_post(&server_id, "/chat/_new", Some(headers), query_params, body)
+        &server_id,
-            .await
+        "/chat/_new",
-            .map_err(|e| format!("Error sending message: {}", e))?;
+        Some(headers),
+        convert_query_params_to_strings(query_params),
+        body,
+    )
+    .await
+    .map_err(|e| format!("Error sending message: {}", e))?;
 
     let body_text = common::http::get_response_body_text(response).await?;
 
-    let chat_response: GetResponse =
+    log::debug!("New chat response: {}", &body_text);
-        serde_json::from_str(&body_text).map_err(|e| format!("Failed to parse response JSON: {}", e))?;
+
+    let chat_response: GetResponse = serde_json::from_str(&body_text)
+        .map_err(|e| format!("Failed to parse response JSON: {}", e))?;
 
     if chat_response.result != "created" {
         return Err(format!("Unexpected result: {}", chat_response.result));
@@ -151,6 +159,69 @@ pub async fn new_chat<R: Runtime>(
     Ok(chat_response)
 }
 
+#[tauri::command]
+pub async fn chat_create<R: Runtime>(
+    app_handle: AppHandle<R>,
+    server_id: String,
+    message: String,
+    query_params: Option<HashMap<String, Value>>,
+    client_id: String,
+) -> Result<(), String> {
+    let body = if !message.is_empty() {
+        let message = ChatRequestMessage {
+            message: Some(message),
+        };
+        Some(
+            serde_json::to_string(&message)
+                .map_err(|e| format!("Failed to serialize message: {}", e))?
+                .into(),
+        )
+    } else {
+        None
+    };
+
+    let response = HttpClient::advanced_post(
+        &server_id,
+        "/chat/_create",
+        None,
+        convert_query_params_to_strings(query_params),
+        body,
+    )
+    .await
+    .map_err(|e| format!("Error sending message: {}", e))?;
+
+    if response.status() == 429 {
+        log::warn!("Rate limit exceeded for chat create");
+        return Err("Rate limited".to_string());
+    }
+
+    if !response.status().is_success() {
+        return Err(format!("Request failed with status: {}", response.status()));
+    }
+
+    let stream = response.bytes_stream();
+    let reader = tokio_util::io::StreamReader::new(
+        stream.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e)),
+    );
+    let mut lines = tokio::io::BufReader::new(reader).lines();
+
+    log::info!("client_id_create: {}", &client_id);
+
+    while let Ok(Some(line)) = lines.next_line().await {
+        log::info!("Received chat stream line: {}", &line);
+
+        if let Err(err) = app_handle.emit(&client_id, line) {
+            log::error!("Emit failed: {:?}", err);
+
+            print!("Error sending message: {:?}", err);
+
+            let _ = app_handle.emit("chat-create-error", format!("Emit failed: {:?}", err));
+        }
+    }
+
+    Ok(())
+}
+
 #[tauri::command]
 pub async fn send_message<R: Runtime>(
     _app_handle: AppHandle<R>,
@@ -173,15 +244,83 @@ pub async fn send_message<R: Runtime>(
         &server_id,
         path.as_str(),
         Some(headers),
-        query_params,
+        convert_query_params_to_strings(query_params),
         Some(body),
     )
-        .await
+    .await
-        .map_err(|e| format!("Error cancel session: {}", e))?;
+    .map_err(|e| format!("Error cancel session: {}", e))?;
 
     common::http::get_response_body_text(response).await
 }
 
+#[tauri::command]
+pub async fn chat_chat<R: Runtime>(
+    app_handle: AppHandle<R>,
+    server_id: String,
+    session_id: String,
+    message: String,
+    query_params: Option<HashMap<String, Value>>, //search,deep_thinking
+    client_id: String,
+) -> Result<(), String> {
+    let body = if !message.is_empty() {
+        let message = ChatRequestMessage {
+            message: Some(message),
+        };
+        Some(
+            serde_json::to_string(&message)
+                .map_err(|e| format!("Failed to serialize message: {}", e))?
+                .into(),
+        )
+    } else {
+        None
+    };
+
+    let path = format!("/chat/{}/_chat", session_id);
+
+    let response = HttpClient::advanced_post(
+        &server_id,
+        path.as_str(),
+        None,
+        convert_query_params_to_strings(query_params),
+        body,
+    )
+    .await
+    .map_err(|e| format!("Error sending message: {}", e))?;
+
+    if response.status() == 429 {
+        log::warn!("Rate limit exceeded for chat create");
+        return Err("Rate limited".to_string());
+    }
+
+    if !response.status().is_success() {
+        return Err(format!("Request failed with status: {}", response.status()));
+    }
+
+    let stream = response.bytes_stream();
+    let reader = tokio_util::io::StreamReader::new(
+        stream.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e)),
+    );
+    let mut lines = tokio::io::BufReader::new(reader).lines();
+    let mut first_log = true;
+
+    log::info!("client_id: {}", &client_id);
+
+    while let Ok(Some(line)) = lines.next_line().await {
+        log::info!("Received chat stream line: {}", &line);
+        if first_log {
+            log::info!("first stream line: {}", &line);
+            first_log = false;
+        }
+
+        if let Err(err) = app_handle.emit(&client_id, line) {
+            log::error!("Emit failed: {:?}", err);
+            let _ = app_handle.emit("chat-create-error", format!("Emit failed: {:?}", err));
+        }
+    }
+
+    Ok(())
+}
+
 #[tauri::command]
 pub async fn delete_session_chat(server_id: String, session_id: String) -> Result<bool, String> {
     let response =
@@ -219,8 +358,8 @@ pub async fn update_session_chat(
         None,
         Some(reqwest::Body::from(serde_json::to_string(&body).unwrap())),
     )
-        .await
+    .await
-        .map_err(|e| format!("Error updating session: {}", e))?;
+    .map_err(|e| format!("Error updating session: {}", e))?;
 
     Ok(response.status().is_success())
 }
@@ -229,30 +368,184 @@ pub async fn update_session_chat(
 pub async fn assistant_search<R: Runtime>(
     _app_handle: AppHandle<R>,
     server_id: String,
-    from: u32,
+    query_params: Option<Vec<String>>,
-    size: u32,
-    query: Option<HashMap<String, Value>>,
 ) -> Result<Value, String> {
-    let mut body = serde_json::json!({
+    let response = HttpClient::post(&server_id, "/assistant/_search", query_params, None)
-        "from": from,
+        .await
-        "size": size,
+        .map_err(|e| format!("Error searching assistants: {}", e))?;
-    });
-
-    if let Some(q) = query {
-        body["query"] = serde_json::to_value(q).map_err(|e| e.to_string())?;
-    }
-
-    let response = HttpClient::post(
-        &server_id,
-        "/assistant/_search",
-        None,
-        Some(reqwest::Body::from(body.to_string())),
-    )
-    .await
-    .map_err(|e| format!("Error searching assistants: {}", e))?;
 
     response
         .json::<Value>()
         .await
         .map_err(|err| err.to_string())
 }
+
+#[tauri::command]
+pub async fn assistant_get<R: Runtime>(
+    _app_handle: AppHandle<R>,
+    server_id: String,
+    assistant_id: String,
+) -> Result<Value, String> {
+    let response = HttpClient::get(
+        &server_id,
+        &format!("/assistant/{}", assistant_id),
+        None, // headers
+    )
+    .await
+    .map_err(|e| format!("Error getting assistant: {}", e))?;
+
+    response
+        .json::<Value>()
+        .await
+        .map_err(|err| err.to_string())
+}
+
+/// Gets the information of the assistant specified by `assistant_id` by querying **all**
+/// Coco servers.
+///
+/// Returns as soon as the assistant is found on any Coco server.
+#[tauri::command]
+pub async fn assistant_get_multi<R: Runtime>(
+    app_handle: AppHandle<R>,
+    assistant_id: String,
+) -> Result<Value, String> {
+    let search_sources = app_handle.state::<SearchSourceRegistry>();
+    let sources_future = search_sources.get_sources();
+    let sources_list = sources_future.await;
+
+    let mut futures = FuturesUnordered::new();
+
+    for query_source in &sources_list {
+        let query_source_type = query_source.get_type();
+        if query_source_type.r#type != COCO_SERVERS {
+            // Assistants only exists on Coco servers.
+            continue;
+        }
+
+        let coco_server_id = query_source_type.id.clone();
+
+        let path = format!("/assistant/{}", assistant_id);
+
+        let fut = async move {
+            let res_response = HttpClient::get(
+                &coco_server_id,
+                &path,
+                None, // headers
+            )
+            .await;
+            match res_response {
+                Ok(response) => response
+                    .json::<serde_json::Value>()
+                    .await
+                    .map_err(|e| e.to_string()),
+                Err(e) => Err(e),
+            }
+        };
+
+        futures.push(fut);
+    }
+
+    while let Some(res_response_json) = futures.next().await {
+        let response_json = match res_response_json {
+            Ok(json) => json,
+            Err(e) => return Err(e),
+        };
+
+        // Example response JSON
+        //
+        // When assistant is not found:
+        // ```json
+        // {
+        //   "_id": "ID",
+        //   "result": "not_found"
+        // }
+        // ```
+        //
+        // When assistant is found:
+        // ```json
+        // {
+        //   "_id": "ID",
+        //   "_source": {...}
+        //   "found": true
+        // }
+        // ```
+        if let Some(found) = response_json.get("found") {
+            if found == true {
+                return Ok(response_json);
+            }
+        }
+    }
+
+    Err(format!(
+        "could not find Assistant [{}] on all the Coco servers",
+        assistant_id
+    ))
+}
+
+use regex::Regex;
+/// Remove all `"icon": "..."` fields from a JSON string
+pub fn remove_icon_fields(json: &str) -> String {
+    // Regex to match `"icon": "..."` fields, including base64 or escaped strings
+    let re = Regex::new(r#""icon"\s*:\s*"[^"]*"(,?)"#).unwrap();
+    // Replace with empty string, or just remove trailing comma if needed
+    re.replace_all(json, |caps: &regex::Captures| {
+        if &caps[1] == "," {
+            "".to_string() // keep comma removal logic safe
+        } else {
+            "".to_string()
+        }
+    })
+    .to_string()
+}
+
+#[tauri::command]
+pub async fn ask_ai<R: Runtime>(
+    app_handle: AppHandle<R>,
+    message: String,
+    server_id: String,
+    assistant_id: String,
+    client_id: String,
+) -> Result<(), String> {
+    let cleaned = remove_icon_fields(message.as_str());
+
+    let body = serde_json::json!({ "message": cleaned });
+
+    let path = format!("/assistant/{}/_ask", assistant_id);
+
+    println!("Sending request to {}", &path);
+
+    let response = HttpClient::send_request(
+        server_id.as_str(),
+        Method::POST,
+        path.as_str(),
+        None,
+        None,
+        Some(reqwest::Body::from(body.to_string())),
+    )
+    .await?;
+
+    if response.status() == 429 {
+        log::warn!("Rate limit exceeded for assistant: {}", &assistant_id);
+        return Ok(());
+    }
+
+    if !response.status().is_success() {
+        return Err(format!("Request Failed: {}", response.status()));
+    }
+
+    let stream = response.bytes_stream();
+    let reader = tokio_util::io::StreamReader::new(
+        stream.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e)),
+    );
+    let mut lines = tokio::io::BufReader::new(reader).lines();
+
+    while let Ok(Some(line)) = lines.next_line().await {
+        dbg!("Received line: {}", &line);
+
+        let _ = app_handle.emit(&client_id, line).map_err(|err| {
+            println!("Failed to emit: {:?}", err);
+        });
+    }
+
+    Ok(())
+}

src-tauri/src/autostart.rs

@@ -3,38 +3,43 @@ use std::{fs::create_dir, io::Read};
 use tauri::{Manager, Runtime};
 use tauri_plugin_autostart::ManagerExt;
 
-// Start or stop according to configuration
+/// If the state reported from the OS and the state stored by us differ, our state is
-pub fn enable_autostart(app: &mut tauri::App) {
+/// prioritized and seen as the correct one. Update the OS state to make them consistent.
-    use tauri_plugin_autostart::MacosLauncher;
+pub fn ensure_autostart_state_consistent(app: &mut tauri::App) -> Result<(), String> {
-    use tauri_plugin_autostart::ManagerExt;
-
-    app.handle()
-        .plugin(tauri_plugin_autostart::init(
-            MacosLauncher::AppleScript,
-            None,
-        ))
-        .unwrap();
-
     let autostart_manager = app.autolaunch();
 
-    // close autostart
+    let os_state = autostart_manager.is_enabled().map_err(|e| e.to_string())?;
-    // autostart_manager.disable().unwrap();
+    let coco_stored_state = current_autostart(app.app_handle()).map_err(|e| e.to_string())?;
-    // return;
 
-    match (
+    if os_state != coco_stored_state {
-        autostart_manager.is_enabled(),
+        log::warn!(
-        current_autostart(app.app_handle()),
+            "autostart inconsistent states, OS state [{}], Coco state [{}], config file could be deleted or corrupted",
-    ) {
+            os_state,
-        (Ok(false), Ok(true)) => match autostart_manager.enable() {
+            coco_stored_state
-            Ok(_) => println!("Autostart enabled successfully."),
+        );
-            Err(err) => eprintln!("Failed to enable autostart: {}", err),
+        log::info!("trying to correct the inconsistent states");
-        },
+
-        (Ok(true), Ok(false)) => match autostart_manager.disable() {
+        let result = if coco_stored_state {
-            Ok(_) => println!("Autostart disable successfully."),
+            autostart_manager.enable()
-            Err(err) => eprintln!("Failed to disable autostart: {}", err),
+        } else {
-        },
+            autostart_manager.disable()
-        _ => (),
+        };
+
+        match result {
+            Ok(_) => {
+                log::info!("inconsistent autostart states fixed");
+            }
+            Err(e) => {
+                log::error!(
+                    "failed to fix inconsistent autostart state due to error [{}]",
+                    e
+                );
+                return Err(e.to_string());
+            }
+        }
     }
+
+    Ok(())
 }
 
 fn current_autostart<R: Runtime>(app: &tauri::AppHandle<R>) -> Result<bool, String> {

src-tauri/src/common/assistant.rs

@@ -9,13 +9,13 @@ pub struct ChatRequestMessage {
 #[allow(dead_code)]
 pub struct NewChatResponse {
     pub _id: String,
-    pub _source: Source,
+    pub _source: Session,
     pub result: String,
     pub payload: Option<Value>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
-pub struct Source {
+pub struct Session {
     pub id: String,
     pub created: String,
     pub updated: String,
@@ -23,4 +23,11 @@ pub struct Source {
     pub title: Option<String>,
     pub summary: Option<String>,
     pub manually_renamed_title: bool,
+    pub visible: Option<bool>,
+    pub context: Option<SessionContext>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct SessionContext {
+    pub attachments: Option<Vec<String>>,
 }

src-tauri/src/common/connector.rs

@@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug,Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Connector {
     pub id: String,
     pub created: Option<String>,
@@ -13,7 +13,7 @@ pub struct Connector {
     pub url: Option<String>,
     pub assets: Option<ConnectorAssets>,
 }
-#[derive(Debug,Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ConnectorAssets {
     pub icons: Option<std::collections::HashMap<String, String>>,
-}
+}

src-tauri/src/common/datasource.rs

@@ -18,4 +18,4 @@ pub struct DataSource {
 pub struct ConnectorConfig {
     pub id: Option<String>,
     pub config: Option<serde_json::Value>, // Using serde_json::Value to handle any type of config
-}
+}

src-tauri/src/common/document.rs

@@ -1,5 +1,7 @@
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
+use tauri::AppHandle;
+use tauri::Runtime;
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct RichLabel {
@@ -29,6 +31,87 @@ pub struct EditorInfo {
     pub timestamp: Option<String>,
 }
 
+/// Defines the action that would be performed when a document gets opened.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub(crate) enum OnOpened {
+    /// Launch the application
+    Application { app_path: String },
+    /// Open the URL.
+    Document { url: String },
+    /// Spawn a child process to run the `CommandAction`.
+    Command {
+        action: crate::extension::CommandAction,
+    },
+}
+
+impl OnOpened {
+    pub(crate) fn url(&self) -> String {
+        match self {
+            Self::Application { app_path } => app_path.clone(),
+            Self::Document { url } => url.clone(),
+            Self::Command { action } => {
+                const WHITESPACE: &str = " ";
+                let mut ret = action.exec.clone();
+                ret.push_str(WHITESPACE);
+                if let Some(ref args) = action.args {
+                    ret.push_str(args.join(WHITESPACE).as_str());
+                }
+
+                ret
+            }
+        }
+    }
+}
+
+#[tauri::command]
+pub(crate) async fn open<R: Runtime>(
+    tauri_app_handle: AppHandle<R>,
+    on_opened: OnOpened,
+) -> Result<(), String> {
+    log::debug!("open({})", on_opened.url());
+
+    use crate::util::open as homemade_tauri_shell_open;
+    use std::process::Command;
+
+    match on_opened {
+        OnOpened::Application { app_path } => {
+            homemade_tauri_shell_open(tauri_app_handle.clone(), app_path).await?
+        }
+        OnOpened::Document { url } => {
+            homemade_tauri_shell_open(tauri_app_handle.clone(), url).await?
+        }
+        OnOpened::Command { action } => {
+            let mut cmd = Command::new(action.exec);
+            if let Some(args) = action.args {
+                cmd.args(args);
+            }
+            let output = cmd.output().map_err(|e| e.to_string())?;
+            // Sometimes, we wanna see the result in logs even though it doesn't fail.
+            log::debug!(
+                "executing open(Command) result, exit code: [{}], stdout: [{}], stderr: [{}]",
+                output.status,
+                String::from_utf8_lossy(&output.stdout),
+                String::from_utf8_lossy(&output.stderr)
+            );
+            if !output.status.success() {
+                log::warn!(
+                    "executing open(Command) failed, exit code: [{}], stdout: [{}], stderr: [{}]",
+                    output.status,
+                    String::from_utf8_lossy(&output.stdout),
+                    String::from_utf8_lossy(&output.stderr)
+                );
+
+                return Err(format!(
+                    "Command failed, stderr [{}]",
+                    String::from_utf8_lossy(&output.stderr)
+                ));
+            }
+        }
+    }
+
+    Ok(())
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize, Default)]
 pub struct Document {
     pub id: String,
@@ -48,6 +131,8 @@ pub struct Document {
     pub thumbnail: Option<String>,
     pub cover: Option<String>,
     pub tags: Option<Vec<String>>,
+    /// What will happen if we open this document.
+    pub on_opened: Option<OnOpened>,
     pub url: Option<String>,
     pub size: Option<i64>,
     pub metadata: Option<HashMap<String, serde_json::Value>>,

src-tauri/src/common/error.rs

@@ -1,34 +1,67 @@
-use serde::{Deserialize, Serialize};
+use reqwest::StatusCode;
+use serde::{Deserialize, Serialize, Serializer};
 use thiserror::Error;
 
+fn serialize_optional_status_code<S>(
+    status_code: &Option<StatusCode>,
+    serializer: S,
+) -> Result<S::Ok, S::Error>
+where
+    S: Serializer,
+{
+    match status_code {
+        Some(code) => serializer.serialize_str(&format!("{:?}", code)),
+        None => serializer.serialize_none(),
+    }
+}
+
+#[allow(unused)]
 #[derive(Debug, Deserialize)]
+pub struct ErrorCause {
+    #[serde(default)]
+    pub r#type: Option<String>,
+    #[serde(default)]
+    pub reason: Option<String>,
+}
+
+#[derive(Debug, Deserialize)]
+#[allow(unused)]
 pub struct ErrorDetail {
-    pub reason: String,
+    #[serde(default)]
-    pub status: u16,
+    pub root_cause: Option<Vec<ErrorCause>>,
+    #[serde(default)]
+    pub r#type: Option<String>,
+    #[serde(default)]
+    pub reason: Option<String>,
+    #[serde(default)]
+    pub caused_by: Option<ErrorCause>,
 }
 
 #[derive(Debug, Deserialize)]
 pub struct ErrorResponse {
-    pub error: ErrorDetail,
+    #[serde(default)]
+    pub error: Option<ErrorDetail>,
+    #[serde(default)]
+    #[allow(unused)]
+    pub status: Option<u16>,
 }
 
 #[derive(Debug, Error, Serialize)]
 pub enum SearchError {
-    #[error("HTTP request failed: {0}")]
+    #[error("HttpError: status code [{status_code:?}], msg [{msg}]")]
-    HttpError(String),
+    HttpError {
+        #[serde(serialize_with = "serialize_optional_status_code")]
+        status_code: Option<StatusCode>,
+        msg: String,
+    },
 
-    #[error("Invalid response format: {0}")]
+    #[error("ParseError: {0}")]
     ParseError(String),
 
     #[error("Timeout occurred")]
     Timeout,
 
-    #[error("Unknown error: {0}")]
+    #[error("InternalError: {0}")]
-    #[allow(dead_code)]
-    Unknown(String),
-
-    #[error("InternalError error: {0}")]
-    #[allow(dead_code)]
     InternalError(String),
 }
 
@@ -39,7 +72,10 @@ impl From<reqwest::Error> for SearchError {
         } else if err.is_decode() {
             SearchError::ParseError(err.to_string())
         } else {
-            SearchError::HttpError(err.to_string())
+            SearchError::HttpError {
+                status_code: err.status(),
+                msg: err.to_string(),
+            }
         }
     }
-}
+}

src-tauri/src/common/http.rs

@@ -2,6 +2,8 @@ use crate::common;
 use reqwest::Response;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
+use std::collections::HashMap;
+use tauri_plugin_store::JsonValue;
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct GetResponse {
@@ -40,13 +42,34 @@ pub async fn get_response_body_text(response: Response) -> Result<String, String
             Ok(parsed_error) => {
                 dbg!(&parsed_error);
                 Err(format!(
-                    "Server error ({}): {}",
+                    "Server error ({}): {:?}",
-                    parsed_error.error.status, parsed_error.error.reason
+                    status, parsed_error.error
                 ))
             }
-            Err(_) => Err(fallback_error),
+            Err(_) => {
+                log::warn!("Failed to parse error response: {}", &body);
+                Err(fallback_error)
+            }
         }
     } else {
         Ok(body)
     }
-}
+}
+
+pub fn convert_query_params_to_strings(
+    query_params: Option<HashMap<String, JsonValue>>,
+) -> Option<Vec<String>> {
+    query_params.map(|map| {
+        map.into_iter()
+            .filter_map(|(k, v)| match v {
+                JsonValue::String(s) => Some(format!("{}={}", k, s)),
+                JsonValue::Number(n) => Some(format!("{}={}", k, n)),
+                JsonValue::Bool(b) => Some(format!("{}={}", k, b)),
+                _ => {
+                    eprintln!("Skipping unsupported query value for key '{}': {:?}", k, v);
+                    None
+                }
+            })
+            .collect()
+    })
+}

src-tauri/src/common/mod.rs

@@ -1,16 +1,17 @@
-pub mod health;
-pub mod profile;
-pub mod server;
-pub mod auth;
-pub mod datasource;
-pub mod connector;
-pub mod search;
-pub mod document;
-pub mod traits;
-pub mod register;
 pub mod assistant;
-pub mod http;
+pub mod auth;
+pub mod connector;
+pub mod datasource;
+pub mod document;
 pub mod error;
+pub mod health;
+pub mod http;
+pub mod profile;
+pub mod register;
+pub mod search;
+pub mod server;
+pub mod traits;
 
 pub static MAIN_WINDOW_LABEL: &str = "main";
 pub static SETTINGS_WINDOW_LABEL: &str = "settings";
+pub static CHECK_WINDOW_LABEL: &str = "check";

src-tauri/src/common/profile.rs

@@ -13,4 +13,4 @@ pub struct UserProfile {
     pub email: String,
     pub avatar: Option<String>,
     pub preferences: Option<Preferences>,
-}
+}

src-tauri/src/common/search.rs

@@ -7,8 +7,8 @@ use std::error::Error;
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct SearchResponse<T> {
-    pub took: u64,
+    pub took: Option<u64>,
-    pub timed_out: bool,
+    pub timed_out: Option<bool>,
     pub _shards: Option<Shards>,
     pub hits: Hits<T>,
 }
@@ -25,7 +25,7 @@ pub struct Shards {
 pub struct Hits<T> {
     pub total: Total,
     pub max_score: Option<f32>,
-    pub hits: Vec<SearchHit<T>>,
+    pub hits: Option<Vec<SearchHit<T>>>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -36,9 +36,9 @@ pub struct Total {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct SearchHit<T> {
-    pub _index: String,
+    pub _index: Option<String>,
-    pub _type: String,
+    pub _type: Option<String>,
-    pub _id: String,
+    pub _id: Option<String>,
     pub _score: Option<f64>,
     pub _source: T, // This will hold the type we pass in (e.g., DataSource)
 }
@@ -58,13 +58,18 @@ where
     Ok(search_response)
 }
 
+use serde::de::DeserializeOwned;
+
 pub async fn parse_search_hits<T>(response: Response) -> Result<Vec<SearchHit<T>>, Box<dyn Error>>
 where
-    T: for<'de> Deserialize<'de> + std::fmt::Debug,
+    T: DeserializeOwned + std::fmt::Debug,
 {
     let response = parse_search_response(response).await?;
 
-    Ok(response.hits.hits)
+    match response.hits.hits {
+        Some(hits) => Ok(hits),
+        None => Ok(Vec::new()),
+    }
 }
 
 pub async fn parse_search_results<T>(response: Response) -> Result<Vec<T>, Box<dyn Error>>
@@ -78,20 +83,6 @@ where
         .collect())
 }
 
-#[allow(dead_code)]
-pub async fn parse_search_results_with_score<T>(
-    response: Response,
-) -> Result<Vec<(T, Option<f64>)>, Box<dyn Error>>
-where
-    T: for<'de> Deserialize<'de> + std::fmt::Debug,
-{
-    Ok(parse_search_hits(response)
-        .await?
-        .into_iter()
-        .map(|hit| (hit._source, hit._score))
-        .collect())
-}
-
 #[derive(Debug, Clone, Serialize)]
 pub struct SearchQuery {
     pub from: u64,

src-tauri/src/common/server.rs

@@ -1,6 +1,8 @@
 use crate::common::health::Health;
 use crate::common::profile::UserProfile;
 use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use std::collections::HashMap;
 use std::hash::{Hash, Hasher};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -48,9 +50,17 @@ pub struct Server {
     pub updated: String,
     #[serde(default = "default_enabled_type")]
     pub enabled: bool,
+    /// Public Coco servers can be used without signing in.
     #[serde(default = "default_bool_type")]
     pub public: bool,
 
+    /// A coco server is available if:
+    ///
+    /// 1. It is still online, we check this via the `GET /base_url/provider/_info`
+    ///    interface.
+    /// 2. A user is logged in to this Coco server, i.e., a token is stored in the
+    ///    `SERVER_TOKEN_LIST_CACHE`.
+    ///    For public Coco servers, requirement 2 is not needed.
     #[serde(default = "default_available_type")]
     pub available: bool,
 
@@ -60,6 +70,7 @@ pub struct Server {
     pub auth_provider: AuthProvider,
     #[serde(default = "default_priority_type")]
     pub priority: u32,
+    pub stats: Option<HashMap<String, Value>>,
 }
 
 impl PartialEq for Server {
@@ -81,7 +92,10 @@ pub struct ServerAccessToken {
     #[serde(default = "default_empty_string")] // Custom default function for empty string
     pub id: String,
     pub access_token: String,
-    pub expired_at: u32, //unix timestamp in seconds
+    /// Unix timestamp in seconds
+    ///
+    /// Currently, this is UNUSED.
+    pub expired_at: u32,
 }
 
 impl ServerAccessToken {

src-tauri/src/common/traits.rs

@@ -1,13 +1,16 @@
 use crate::common::error::SearchError;
-// use std::{future::Future, pin::Pin};
 use crate::common::search::SearchQuery;
 use crate::common::search::{QueryResponse, QuerySource};
 use async_trait::async_trait;
+use tauri::AppHandle;
 
 #[async_trait]
 pub trait SearchSource: Send + Sync {
     fn get_type(&self) -> QuerySource;
 
-    async fn search(&self, query: SearchQuery) -> Result<QueryResponse, SearchError>;
+    async fn search(
+        &self,
+        tauri_app_handle: AppHandle,
+        query: SearchQuery,
+    ) -> Result<QueryResponse, SearchError>;
 }
-

src-tauri/src/extension/built_in/ai_overview.rs

@@ -0,0 +1,13 @@
+pub(super) const EXTENSION_ID: &str = "AIOverview";
+
+/// JSON file for this extension.
+pub(crate) const PLUGIN_JSON_FILE: &str = r#"
+{
+  "id": "AIOverview",
+  "name": "AI Overview",
+  "description": "...",
+  "icon": "font_a-AIOverview",
+  "type": "ai_extension",
+  "enabled": true
+}
+"#;

src-tauri/src/extension/built_in/application/mod.rs

@@ -12,9 +12,10 @@ pub use with_feature::*;
 #[cfg(not(feature = "use_pizza_engine"))]
 pub use without_feature::*;
 
-
 #[derive(Debug, Serialize, Clone)]
 #[serde(rename_all = "camelCase")]
+#[allow(dead_code)]
+
 pub struct AppEntry {
     path: String,
     name: String,
@@ -24,15 +25,26 @@ pub struct AppEntry {
     is_disabled: bool,
 }
 
-
 #[derive(serde::Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct AppMetadata {
     name: String,
     r#where: String,
     size: u64,
-    icon: String,
     created: u128,
     modified: u128,
     last_opened: u128,
-}
+}
+
+/// JSON file for this extension.
+pub(crate) const PLUGIN_JSON_FILE: &str = r#"
+{
+  "id": "Applications",
+  "platforms": ["macos", "linux", "windows"],
+  "name": "Applications",
+  "description": "Application search",
+  "icon": "font_Application",
+  "type": "group",
+  "enabled": true
+}
+"#;

src-tauri/src/extension/built_in/application/without_feature.rs

@@ -1,18 +1,20 @@
+use super::super::Extension;
+use super::AppMetadata;
 use crate::common::error::SearchError;
 use crate::common::search::{QueryResponse, QuerySource, SearchQuery};
 use crate::common::traits::SearchSource;
-use crate::local::LOCAL_QUERY_SOURCE_TYPE;
+use crate::extension::LOCAL_QUERY_SOURCE_TYPE;
 use async_trait::async_trait;
 use tauri::{AppHandle, Runtime};
-use super::AppEntry;
-use super::AppMetadata;
 
 pub(crate) const QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME: &str = "Applications";
 
 pub struct ApplicationSearchSource;
 
 impl ApplicationSearchSource {
-    pub async fn init<R: Runtime>(_app_handle: AppHandle<R>) -> Result<(), String> {
+    pub async fn prepare_index_and_store<R: Runtime>(
+        _app_handle: AppHandle<R>,
+    ) -> Result<(), String> {
         Ok(())
     }
 }
@@ -30,7 +32,11 @@ impl SearchSource for ApplicationSearchSource {
         }
     }
 
-    async fn search(&self, _query: SearchQuery) -> Result<QueryResponse, SearchError> {
+    async fn search(
+        &self,
+        _tauri_app_handle: AppHandle,
+        _query: SearchQuery,
+    ) -> Result<QueryResponse, SearchError> {
         Ok(QueryResponse {
             source: self.get_type(),
             hits: Vec::new(),
@@ -39,46 +45,45 @@ impl SearchSource for ApplicationSearchSource {
     }
 }
 
-#[tauri::command]
+pub fn set_app_alias<R: Runtime>(_tauri_app_handle: &AppHandle<R>, _app_path: &str, _alias: &str) {
-pub async fn set_app_alias(_app_path: String, _alias: String) -> Result<(), String> {
     unreachable!("app list should be empty, there is no way this can be invoked")
 }
 
-#[tauri::command]
+pub fn register_app_hotkey<R: Runtime>(
-pub async fn register_app_hotkey<R: Runtime>(
+    _tauri_app_handle: &AppHandle<R>,
-    _tauri_app_handle: AppHandle<R>,
+    _app_path: &str,
-    _app_path: String,
+    _hotkey: &str,
-    _hotkey: String,
 ) -> Result<(), String> {
     unreachable!("app list should be empty, there is no way this can be invoked")
 }
 
-#[tauri::command]
+pub fn unregister_app_hotkey<R: Runtime>(
-pub async fn unregister_app_hotkey<R: Runtime>(
+    _tauri_app_handle: &AppHandle<R>,
-    _tauri_app_handle: AppHandle<R>,
+    _app_path: &str,
-    _app_path: String,
 ) -> Result<(), String> {
     unreachable!("app list should be empty, there is no way this can be invoked")
 }
 
-#[tauri::command]
+pub fn disable_app_search<R: Runtime>(
-pub async fn disable_app_search<R: Runtime>(
+    _tauri_app_handle: &AppHandle<R>,
-    _tauri_app_handle: AppHandle<R>,
+    _app_path: &str,
-    _app_path: String,
 ) -> Result<(), String> {
     // no-op
     Ok(())
 }
 
-#[tauri::command]
+pub fn enable_app_search<R: Runtime>(
-pub async fn enable_app_search<R: Runtime>(
+    _tauri_app_handle: &AppHandle<R>,
-    _tauri_app_handle: AppHandle<R>,
+    _app_path: &str,
-    _app_path: String,
 ) -> Result<(), String> {
     // no-op
     Ok(())
 }
 
+pub fn is_app_search_enabled(_app_path: &str) -> bool {
+    false
+}
+
 #[tauri::command]
 pub async fn add_app_search_path<R: Runtime>(
     _tauri_app_handle: AppHandle<R>,
@@ -103,11 +108,10 @@ pub async fn get_app_search_path<R: Runtime>(_tauri_app_handle: AppHandle<R>) ->
     Vec::new()
 }
 
-
 #[tauri::command]
 pub async fn get_app_list<R: Runtime>(
     _tauri_app_handle: AppHandle<R>,
-) -> Result<Vec<AppEntry>, String> {
+) -> Result<Vec<Extension>, String> {
     // Return an empty list
     Ok(Vec::new())
 }
@@ -119,3 +123,23 @@ pub async fn get_app_metadata<R: Runtime>(
 ) -> Result<AppMetadata, String> {
     unreachable!("app list should be empty, there is no way this can be invoked")
 }
+
+pub(crate) fn set_apps_hotkey<R: Runtime>(_tauri_app_handle: &AppHandle<R>) -> Result<(), String> {
+    // no-op
+    Ok(())
+}
+
+pub(crate) fn unset_apps_hotkey<R: Runtime>(
+    _tauri_app_handle: &AppHandle<R>,
+) -> Result<(), String> {
+    // no-op
+    Ok(())
+}
+
+#[tauri::command]
+pub async fn reindex_applications<R: Runtime>(
+    _tauri_app_handle: AppHandle<R>,
+) -> Result<(), String> {
+    // no-op
+    Ok(())
+}

src-tauri/src/extension/built_in/calculator.rs

@@ -1,4 +1,4 @@
-use super::LOCAL_QUERY_SOURCE_TYPE;
+use super::super::LOCAL_QUERY_SOURCE_TYPE;
 use crate::common::{
     document::{DataSourceReference, Document},
     error::SearchError,
@@ -10,9 +10,23 @@ use chinese_number::{ChineseCase, ChineseCountMethod, ChineseVariant, NumberToCh
 use num2words::Num2Words;
 use serde_json::Value;
 use std::collections::HashMap;
+use tauri::AppHandle;
 
 pub(crate) const DATA_SOURCE_ID: &str = "Calculator";
 
+/// JSON file for this extension.
+pub(crate) const PLUGIN_JSON_FILE: &str = r#"
+{
+  "id": "Calculator",
+  "name": "Calculator",
+  "platforms": ["macos", "linux", "windows"],
+  "description": "...",
+  "icon": "font_Calculator",
+  "type": "calculator",
+  "enabled": true
+}
+"#;
+
 pub struct CalculatorSource {
     base_score: f64,
 }
@@ -23,7 +37,7 @@ impl CalculatorSource {
     }
 }
 
-fn parse_query(query: String) -> Value {
+fn parse_query(query: &str) -> Value {
     let mut query_json = serde_json::Map::new();
 
     let operators = ["+", "-", "*", "/", "%"];
@@ -48,7 +62,7 @@ fn parse_query(query: String) -> Value {
         query_json.insert("type".to_string(), Value::String("expression".to_string()));
     }
 
-    query_json.insert("value".to_string(), Value::String(query));
+    query_json.insert("value".to_string(), Value::String(query.to_string()));
 
     Value::Object(query_json)
 }
@@ -107,12 +121,22 @@ impl SearchSource for CalculatorSource {
         }
     }
 
-    async fn search(&self, query: SearchQuery) -> Result<QueryResponse, SearchError> {
+    async fn search(
-        let query_string = query
+        &self,
-            .query_strings
+        _tauri_app_handle: AppHandle,
-            .get("query")
+        query: SearchQuery,
-            .unwrap_or(&"".to_string())
+    ) -> Result<QueryResponse, SearchError> {
-            .to_string();
+        let Some(query_string) = query.query_strings.get("query") else {
+            return Ok(QueryResponse {
+                source: self.get_type(),
+                hits: Vec::new(),
+                total_hits: 0,
+            });
+        };
+
+        // Trim the leading and tailing whitespace so that our later if condition
+        // will only be evaluated against non-whitespace characters.
+        let query_string = query_string.trim();
 
         if query_string.is_empty() || query_string.len() == 1 {
             return Ok(QueryResponse {
@@ -122,42 +146,54 @@ impl SearchSource for CalculatorSource {
             });
         }
 
-        match meval::eval_str(&query_string) {
+        let query_string_clone = query_string.to_string();
-            Ok(num) => {
+        let query_source = self.get_type();
-                let mut payload: HashMap<String, Value> = HashMap::new();
+        let base_score = self.base_score;
+        let closure = move || -> QueryResponse {
+            let res_num = meval::eval_str(&query_string_clone);
 
-                let payload_query = parse_query(query_string);
+            match res_num {
-                let payload_result = parse_result(num);
+                Ok(num) => {
+                    let mut payload: HashMap<String, Value> = HashMap::new();
 
-                payload.insert("query".to_string(), payload_query);
+                    let payload_query = parse_query(&query_string_clone);
-                payload.insert("result".to_string(), payload_result);
+                    let payload_result = parse_result(num);
 
-                let doc = Document {
+                    payload.insert("query".to_string(), payload_query);
-                    id: DATA_SOURCE_ID.to_string(),
+                    payload.insert("result".to_string(), payload_result);
-                    category: Some(DATA_SOURCE_ID.to_string()),
-                    payload: Some(payload),
-                    source: Some(DataSourceReference {
-                        r#type: Some(LOCAL_QUERY_SOURCE_TYPE.into()),
-                        name: Some(DATA_SOURCE_ID.into()),
-                        id: Some(DATA_SOURCE_ID.into()),
-                        icon: None,
-                    }),
-                    ..Default::default()
-                };
 
-                return Ok(QueryResponse {
+                    let doc = Document {
-                    source: self.get_type(),
+                        id: DATA_SOURCE_ID.to_string(),
-                    hits: vec![(doc, self.base_score)],
+                        category: Some(DATA_SOURCE_ID.to_string()),
-                    total_hits: 1,
+                        payload: Some(payload),
-                });
+                        source: Some(DataSourceReference {
-            }
+                            r#type: Some(LOCAL_QUERY_SOURCE_TYPE.into()),
-            Err(_) => {
+                            name: Some(DATA_SOURCE_ID.into()),
-                return Ok(QueryResponse {
+                            id: Some(DATA_SOURCE_ID.into()),
-                    source: self.get_type(),
+                            icon: Some(String::from("font_Calculator")),
+                        }),
+                        ..Default::default()
+                    };
+
+                    QueryResponse {
+                        source: query_source,
+                        hits: vec![(doc, base_score)],
+                        total_hits: 1,
+                    }
+                }
+                Err(_) => QueryResponse {
+                    source: query_source,
                     hits: Vec::new(),
                     total_hits: 0,
-                });
+                },
             }
         };
+
+        let spawn_result = tokio::task::spawn_blocking(closure).await;
+
+        match spawn_result {
+            Ok(response) => Ok(response),
+            Err(e) => std::panic::resume_unwind(e.into_panic()),
+        }
     }
 }

src-tauri/src/extension/built_in/file_search/config.rs

@@ -0,0 +1,212 @@
+//! File Search configuration entries definition and getter/setter functions.
+
+use serde::Deserialize;
+use serde::Serialize;
+use serde_json::Value;
+use std::sync::LazyLock;
+use tauri::AppHandle;
+use tauri::Runtime;
+use tauri_plugin_store::StoreExt;
+
+// Tauri store keys for file system configuration
+const TAURI_STORE_FILE_SYSTEM_CONFIG: &str = "file_system_config";
+const TAURI_STORE_KEY_SEARCH_BY: &str = "search_by";
+const TAURI_STORE_KEY_SEARCH_PATHS: &str = "search_paths";
+const TAURI_STORE_KEY_EXCLUDE_PATHS: &str = "exclude_paths";
+const TAURI_STORE_KEY_FILE_TYPES: &str = "file_types";
+
+static HOME_DIR: LazyLock<String> = LazyLock::new(|| {
+    let os_string = dirs::home_dir()
+        .expect("$HOME should be set")
+        .into_os_string();
+    os_string
+        .into_string()
+        .expect("User home directory should be encoded with UTF-8")
+});
+
+#[derive(Debug, Clone, Serialize, Deserialize, Copy)]
+pub enum SearchBy {
+    Name,
+    NameAndContents,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct FileSearchConfig {
+    pub search_paths: Vec<String>,
+    pub exclude_paths: Vec<String>,
+    pub file_types: Vec<String>,
+    pub search_by: SearchBy,
+}
+
+impl Default for FileSearchConfig {
+    fn default() -> Self {
+        Self {
+            search_paths: vec![
+                format!("{}/Documents", HOME_DIR.as_str()),
+                format!("{}/Desktop", HOME_DIR.as_str()),
+                format!("{}/Downloads", HOME_DIR.as_str()),
+            ],
+            exclude_paths: Vec::new(),
+            file_types: Vec::new(),
+            search_by: SearchBy::Name,
+        }
+    }
+}
+
+impl FileSearchConfig {
+    pub(crate) fn get<R: Runtime>(tauri_app_handle: &AppHandle<R>) -> Self {
+        let store = tauri_app_handle
+            .store(TAURI_STORE_FILE_SYSTEM_CONFIG)
+            .unwrap_or_else(|e| {
+                panic!(
+                    "store [{}] not found/loaded, error [{}]",
+                    TAURI_STORE_FILE_SYSTEM_CONFIG, e
+                )
+            });
+
+        // Default value, will be used when specific config entries are not set
+        let default_config = FileSearchConfig::default();
+
+        let search_paths = {
+            if let Some(search_paths) = store.get(TAURI_STORE_KEY_SEARCH_PATHS) {
+                match search_paths {
+                    Value::Array(arr) => {
+                        let mut vec = Vec::with_capacity(arr.len());
+                        for v in arr {
+                            match v {
+                                Value::String(s) => vec.push(s),
+                                other => panic!(
+                                    "Expected all elements of 'search_paths' to be strings, but found: {:?}",
+                                    other
+                                ),
+                            }
+                        }
+                        vec
+                    }
+                    other => panic!(
+                        "Expected 'search_paths' to be an array of strings in the file system config store, but got: {:?}",
+                        other
+                    ),
+                }
+            } else {
+                store.set(
+                    TAURI_STORE_KEY_SEARCH_PATHS,
+                    default_config.search_paths.as_slice(),
+                );
+                default_config.search_paths
+            }
+        };
+
+        let exclude_paths = {
+            if let Some(exclude_paths) = store.get(TAURI_STORE_KEY_EXCLUDE_PATHS) {
+                match exclude_paths {
+                    Value::Array(arr) => {
+                        let mut vec = Vec::with_capacity(arr.len());
+                        for v in arr {
+                            match v {
+                                Value::String(s) => vec.push(s),
+                                other => panic!(
+                                    "Expected all elements of 'exclude_paths' to be strings, but found: {:?}",
+                                    other
+                                ),
+                            }
+                        }
+                        vec
+                    }
+                    other => panic!(
+                        "Expected 'exclude_paths' to be an array of strings in the file system config store, but got: {:?}",
+                        other
+                    ),
+                }
+            } else {
+                store.set(
+                    TAURI_STORE_KEY_EXCLUDE_PATHS,
+                    default_config.exclude_paths.as_slice(),
+                );
+                default_config.exclude_paths
+            }
+        };
+
+        let file_types = {
+            if let Some(file_types) = store.get(TAURI_STORE_KEY_FILE_TYPES) {
+                match file_types {
+                    Value::Array(arr) => {
+                        let mut vec = Vec::with_capacity(arr.len());
+                        for v in arr {
+                            match v {
+                                Value::String(s) => vec.push(s),
+                                other => panic!(
+                                    "Expected all elements of 'file_types' to be strings, but found: {:?}",
+                                    other
+                                ),
+                            }
+                        }
+                        vec
+                    }
+                    other => panic!(
+                        "Expected 'file_types' to be an array of strings in the file system config store, but got: {:?}",
+                        other
+                    ),
+                }
+            } else {
+                store.set(
+                    TAURI_STORE_KEY_FILE_TYPES,
+                    default_config.file_types.as_slice(),
+                );
+                default_config.file_types
+            }
+        };
+
+        let search_by = {
+            if let Some(search_by) = store.get(TAURI_STORE_KEY_SEARCH_BY) {
+                serde_json::from_value(search_by.clone()).unwrap_or_else(|e| {
+                    panic!(
+                        "Failed to deserialize 'search_by' from file system config store. Invalid JSON: {:?}, error: {}",
+                        search_by, e
+                    )
+                })
+            } else {
+                store.set(
+                    TAURI_STORE_KEY_SEARCH_BY,
+                    serde_json::to_value(default_config.search_by).unwrap(),
+                );
+                default_config.search_by
+            }
+        };
+
+        Self {
+            search_by,
+            search_paths,
+            exclude_paths,
+            file_types,
+        }
+    }
+}
+
+// Tauri commands for managing file system configuration
+#[tauri::command]
+pub async fn get_file_system_config<R: Runtime>(
+    tauri_app_handle: AppHandle<R>,
+) -> FileSearchConfig {
+    FileSearchConfig::get(&tauri_app_handle)
+}
+
+#[tauri::command]
+pub async fn set_file_system_config<R: Runtime>(
+    tauri_app_handle: AppHandle<R>,
+    config: FileSearchConfig,
+) -> Result<(), String> {
+    let store = tauri_app_handle
+        .store(TAURI_STORE_FILE_SYSTEM_CONFIG)
+        .map_err(|e| e.to_string())?;
+
+    store.set(TAURI_STORE_KEY_SEARCH_PATHS, config.search_paths);
+    store.set(TAURI_STORE_KEY_EXCLUDE_PATHS, config.exclude_paths);
+    store.set(TAURI_STORE_KEY_FILE_TYPES, config.file_types);
+    store.set(
+        TAURI_STORE_KEY_SEARCH_BY,
+        serde_json::to_value(config.search_by).unwrap(),
+    );
+
+    Ok(())
+}

src-tauri/src/extension/built_in/file_search/implementation/macos.rs

@@ -0,0 +1,186 @@
+use super::super::EXTENSION_ID;
+use super::super::config::FileSearchConfig;
+use super::super::config::SearchBy;
+use crate::common::document::{DataSourceReference, Document};
+use crate::extension::LOCAL_QUERY_SOURCE_TYPE;
+use crate::extension::OnOpened;
+use crate::util::file::get_file_icon;
+use futures::stream::Stream;
+use futures::stream::StreamExt;
+use std::os::fd::OwnedFd;
+use std::path::Path;
+use tokio::io::AsyncBufReadExt;
+use tokio::io::BufReader;
+use tokio::process::Child;
+use tokio::process::Command;
+use tokio_stream::wrappers::LinesStream;
+
+/// `mdfind` won't return scores, we use this score for all the documents.
+const SCORE: f64 = 1.0;
+
+pub(crate) async fn hits(
+    query_string: &str,
+    from: usize,
+    size: usize,
+    config: &FileSearchConfig,
+) -> Result<Vec<(Document, f64)>, String> {
+    let (mut iter, mut mdfind_child_process) =
+        execute_mdfind_query(&query_string, from, size, &config)?;
+
+    // Convert results to documents
+    let mut hits: Vec<(Document, f64)> = Vec::new();
+    while let Some(res_file_path) = iter.next().await {
+        let file_path = res_file_path.map_err(|io_err| io_err.to_string())?;
+
+        let icon = get_file_icon(file_path.clone()).await;
+        let file_path_of_type_path = camino::Utf8Path::new(&file_path);
+        let r#where = file_path_of_type_path
+            .parent()
+            .unwrap_or_else(|| {
+                panic!(
+                    "expect path [{}] to have a parent, but it does not",
+                    file_path
+                );
+            })
+            .to_string();
+
+        let file_name = file_path_of_type_path.file_name().unwrap_or_else(|| {
+            panic!(
+                "expect path [{}] to have a file name, but it does not",
+                file_path
+            );
+        });
+        let on_opened = OnOpened::Document {
+            url: file_path.clone(),
+        };
+
+        let doc = Document {
+            id: file_path.clone(),
+            title: Some(file_name.to_string()),
+            source: Some(DataSourceReference {
+                r#type: Some(LOCAL_QUERY_SOURCE_TYPE.into()),
+                name: Some(EXTENSION_ID.into()),
+                id: Some(EXTENSION_ID.into()),
+                icon: Some(String::from("font_Filesearch")),
+            }),
+            category: Some(r#where),
+            on_opened: Some(on_opened),
+            url: Some(file_path),
+            icon: Some(icon.to_string()),
+            ..Default::default()
+        };
+
+        hits.push((doc, SCORE));
+    }
+    // Kill the mdfind process once we get the needed results to prevent zombie
+    // processes.
+    mdfind_child_process
+        .kill()
+        .await
+        .map_err(|e| format!("{:?}", e))?;
+
+    Ok(hits)
+}
+
+/// Return an array containing the `mdfind` command and its arguments.
+fn build_mdfind_query(query_string: &str, config: &FileSearchConfig) -> Vec<String> {
+    let mut args = vec!["mdfind".to_string()];
+
+    match config.search_by {
+        SearchBy::Name => {
+            args.push(format!("kMDItemFSName == '*{}*'", query_string));
+        }
+        SearchBy::NameAndContents => {
+            args.push(format!(
+                "kMDItemFSName == '*{}*' || kMDItemTextContent == '{}'",
+                query_string, query_string
+            ));
+        }
+    }
+
+    // Add search paths using -onlyin
+    for path in &config.search_paths {
+        if Path::new(path).exists() {
+            args.extend_from_slice(&["-onlyin".to_string(), path.to_string()]);
+        }
+    }
+
+    args
+}
+
+/// Spawn the `mdfind` child process and return an async iterator over its output,
+/// allowing us to collect the results asynchronously.
+///
+/// # Return value:
+///
+/// * impl Stream: an async iterator that will yield the matched files
+/// * Child: The handle to the mdfind process, we need to kill it once we
+///   collect all the results to avoid zombie processes.
+fn execute_mdfind_query(
+    query_string: &str,
+    from: usize,
+    size: usize,
+    config: &FileSearchConfig,
+) -> Result<(impl Stream<Item = std::io::Result<String>>, Child), String> {
+    let args = build_mdfind_query(query_string, &config);
+    let (rx, tx) = std::io::pipe().unwrap();
+    let rx_owned = OwnedFd::from(rx);
+    let async_rx = tokio::net::unix::pipe::Receiver::from_owned_fd(rx_owned).unwrap();
+    let buffered_rx = BufReader::new(async_rx);
+    let lines = LinesStream::new(buffered_rx.lines());
+
+    let child = Command::new(&args[0])
+        .args(&args[1..])
+        .stdout(tx)
+        .stderr(std::process::Stdio::null())
+        .spawn()
+        .map_err(|e| format!("Failed to spawn mdfind: {}", e))?;
+    let config_clone = config.clone();
+    let iter = lines
+        .filter(move |res_path| {
+            std::future::ready({
+                match res_path {
+                    Ok(path) => !should_be_filtered_out(&config_clone, path),
+                    Err(_) => {
+                        // Don't filter out Err() values
+                        true
+                    }
+                }
+            })
+        })
+        .skip(from)
+        .take(size);
+
+    Ok((iter, child))
+}
+
+/// If `file_path` should be removed from the search results given the filter
+/// conditions specified in `config`.
+fn should_be_filtered_out(config: &FileSearchConfig, file_path: &str) -> bool {
+    let is_excluded = config
+        .exclude_paths
+        .iter()
+        .any(|exclude_path| file_path.starts_with(exclude_path));
+
+    if is_excluded {
+        return true;
+    }
+
+    let matches_file_type = if config.file_types.is_empty() {
+        true
+    } else {
+        let path_obj = camino::Utf8Path::new(&file_path);
+        if let Some(extension) = path_obj.extension() {
+            config
+                .file_types
+                .iter()
+                .any(|file_type| file_type == extension)
+        } else {
+            // `config.file_types` is not empty, then the search results
+            // should have extensions.
+            false
+        }
+    };
+
+    !matches_file_type
+}

src-tauri/src/extension/built_in/file_search/implementation/mod.rs

@@ -0,0 +1,10 @@
+#[cfg(target_os = "macos")]
+mod macos;
+#[cfg(target_os = "windows")]
+mod windows;
+
+// `hits()` function is platform-specific, export the corresponding impl.
+#[cfg(target_os = "macos")]
+pub(crate) use macos::hits;
+#[cfg(target_os = "windows")]
+pub(crate) use windows::hits;

src-tauri/src/extension/built_in/file_search/implementation/windows.rs

@@ -0,0 +1,751 @@
+//! # Credits
+//!
+//! https://github.com/IRONAGE-Park/rag-sample/blob/3f0ad8c8012026cd3a7e453d08f041609426cb91/src/native/windows.rs
+//! is the starting point of this implementation.
+
+use super::super::EXTENSION_ID;
+use super::super::config::FileSearchConfig;
+use super::super::config::SearchBy;
+use crate::common::document::{DataSourceReference, Document};
+use crate::extension::LOCAL_QUERY_SOURCE_TYPE;
+use crate::extension::OnOpened;
+use crate::util::file::get_file_icon;
+use windows::{
+    Win32::System::{
+        Com::{CLSCTX_INPROC_SERVER, CoCreateInstance},
+        Ole::{OleInitialize, OleUninitialize},
+        Search::{
+            DB_NULL_HCHAPTER, DBACCESSOR_ROWDATA, DBBINDING, DBMEMOWNER_CLIENTOWNED,
+            DBPARAMIO_NOTPARAM, DBPART_VALUE, DBTYPE_WSTR, HACCESSOR, IAccessor, ICommand,
+            ICommandText, IDBCreateCommand, IDBCreateSession, IDBInitialize, IDataInitialize,
+            IRowset, MSDAINITIALIZE,
+        },
+    },
+    core::{GUID, IUnknown, Interface, PWSTR, w},
+};
+
+/// Owned version of `PWSTR` that holds the heap memory.
+///
+/// Use `as_pwstr()` to convert it to a raw pointer.
+struct PwStrOwned(Vec<u16>);
+
+impl PwStrOwned {
+    /// # SAFETY
+    ///
+    /// The returned `PWSTR` is basically a raw pointer, it is only valid within the
+    /// lifetime of `PwStrOwned`.
+    unsafe fn as_pwstr(&mut self) -> PWSTR {
+        let raw_ptr = self.0.as_mut_ptr();
+        PWSTR::from_raw(raw_ptr)
+    }
+}
+
+/// Construct `PwStrOwned` from any `str`.
+impl<S: AsRef<str> + ?Sized> From<&S> for PwStrOwned {
+    fn from(value: &S) -> Self {
+        let mut utf16_bytes = value.as_ref().encode_utf16().collect::<Vec<u16>>();
+        utf16_bytes.push(0); // the tailing NULL
+
+        PwStrOwned(utf16_bytes)
+    }
+}
+
+/// Helper function to replace unsupported characters with whitespace.
+///
+/// Windows search will error out if it encounters these characters.
+///
+/// The complete list of unsupported characters is unknown and we don't know how
+/// to escape them, so let's replace them.
+fn query_string_cleanup(old: &str) -> String {
+    const UNSUPPORTED_CHAR: [char; 2] = ['\'', '\n'];
+
+    // Using len in bytes is ok
+    let mut chars = Vec::with_capacity(old.len());
+    for char in old.chars() {
+        if UNSUPPORTED_CHAR.contains(&char) {
+            chars.push(' ');
+        } else {
+            chars.push(char);
+        }
+    }
+
+    chars.into_iter().collect()
+}
+
+/// Helper function to construct the Windows Search SQL.
+///
+/// Paging is not natively supported by windows Search SQL, it only supports `size`
+/// via the `TOP` keyword ("SELECT TOP {n} {columns}").  The SQL returned by this
+/// function will have `{n}` set to `from + size`, then we will manually implement
+/// paging.
+fn query_sql(query_string: &str, from: usize, size: usize, config: &FileSearchConfig) -> String {
+    let top_n = from
+        .checked_add(size)
+        .expect("[from + size] cannot fit into an [usize]");
+
+    // System.ItemUrl is a column that contains the file path
+    // example: "file:C:/Users/desktop.ini"
+    //
+    // System.Search.Rank is the relevance score
+    let mut sql = format!(
+        "SELECT TOP {} System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE",
+        top_n
+    );
+
+    let query_string = query_string_cleanup(query_string);
+
+    let search_by_predicate = match config.search_by {
+        SearchBy::Name => {
+            // `contains(System.FileName, '{query_string}')` would be faster
+            // because it uses inverted index, but that's not what we want
+            // due to the limitation of tokenization. For example, suppose "Coco AI.rs"
+            // will be tokenized to `["Coco", "AI", "rs"]`, then if users search
+            // via `Co`, this file won't be returned because term `Co` does not
+            // exist in the index.
+            //
+            // So we use wildcard instead even though it is slower.
+            format!("(System.FileName LIKE '%{query_string}%')")
+        }
+        SearchBy::NameAndContents => {
+            // Windows File Search does not support searching by file content.
+            //
+            // `CONTAINS('query_string')` would search all columns for `query_string`,
+            // this is the closest solution we have.
+            format!("((System.FileName LIKE '%{query_string}%') OR CONTAINS('{query_string}'))")
+        }
+    };
+
+    let search_paths_predicate: Option<String> = {
+        if config.search_paths.is_empty() {
+            None
+        } else {
+            let mut output = String::from("(");
+
+            for (idx, search_path) in config.search_paths.iter().enumerate() {
+                if idx != 0 {
+                    output.push_str(" OR ");
+                }
+
+                output.push_str("SCOPE = 'file:");
+                output.push_str(&search_path);
+                output.push('\'');
+            }
+
+            output.push(')');
+
+            Some(output)
+        }
+    };
+
+    let exclude_paths_predicate: Option<String> = {
+        if config.exclude_paths.is_empty() {
+            None
+        } else {
+            let mut output = String::from("(");
+
+            for (idx, exclude_path) in config.exclude_paths.iter().enumerate() {
+                if idx != 0 {
+                    output.push_str(" AND ");
+                }
+
+                output.push_str("(NOT SCOPE = 'file:");
+                output.push_str(&exclude_path);
+                output.push('\'');
+                output.push(')');
+            }
+
+            output.push(')');
+
+            Some(output)
+        }
+    };
+
+    let file_types_predicate: Option<String> = {
+        if config.file_types.is_empty() {
+            None
+        } else {
+            let mut output = String::from("(");
+
+            for (idx, file_type) in config.file_types.iter().enumerate() {
+                if idx != 0 {
+                    output.push_str(" OR ");
+                }
+
+                // NOTE that this column contains a starting dot
+                output.push_str("System.FileExtension = '.");
+                output.push_str(&file_type);
+                output.push('\'');
+            }
+
+            output.push(')');
+
+            Some(output)
+        }
+    };
+
+    sql.push(' ');
+    sql.push_str(search_by_predicate.as_str());
+    if let Some(search_paths_predicate) = search_paths_predicate {
+        sql.push_str(" AND ");
+        sql.push_str(search_paths_predicate.as_str());
+    }
+    if let Some(exclude_paths_predicate) = exclude_paths_predicate {
+        sql.push_str(" AND ");
+        sql.push_str(exclude_paths_predicate.as_str());
+    }
+    if let Some(file_types_predicate) = file_types_predicate {
+        sql.push_str(" AND ");
+        sql.push_str(file_types_predicate.as_str());
+    }
+
+    sql
+}
+
+/// Default GUID for Search.CollatorDSO.1
+const DBGUID_DEFAULT: GUID = GUID {
+    data1: 0xc8b521fb,
+    data2: 0x5cf3,
+    data3: 0x11ce,
+    data4: [0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d],
+};
+
+unsafe fn create_accessor_handle(accessor: &IAccessor, index: usize) -> Result<HACCESSOR, String> {
+    let bindings = DBBINDING {
+        iOrdinal: index,
+        obValue: 0,
+        obStatus: 0,
+        obLength: 0,
+        dwPart: DBPART_VALUE.0 as u32,
+        dwMemOwner: DBMEMOWNER_CLIENTOWNED.0 as u32,
+        eParamIO: DBPARAMIO_NOTPARAM.0 as u32,
+        cbMaxLen: 512,
+        dwFlags: 0,
+        wType: DBTYPE_WSTR.0 as u16,
+        bPrecision: 0,
+        bScale: 0,
+        ..Default::default()
+    };
+    let mut status = 0;
+    let mut accessor_handle = HACCESSOR::default();
+    unsafe {
+        accessor
+            .CreateAccessor(
+                DBACCESSOR_ROWDATA.0 as u32,
+                1,
+                &bindings,
+                0,
+                &mut accessor_handle,
+                Some(&mut status),
+            )
+            .map_err(|e| e.to_string())?;
+    }
+
+    Ok(accessor_handle)
+}
+
+fn create_db_initialize() -> Result<IDBInitialize, String> {
+    unsafe {
+        let data_init: IDataInitialize =
+            CoCreateInstance(&MSDAINITIALIZE, None, CLSCTX_INPROC_SERVER)
+                .map_err(|e| e.to_string())?;
+
+        let mut unknown: Option<IUnknown> = None;
+        data_init
+            .GetDataSource(
+                None,
+                CLSCTX_INPROC_SERVER.0,
+                w!("provider=Search.CollatorDSO.1;EXTENDED PROPERTIES=\"Application=Windows\""),
+                &IDBInitialize::IID,
+                &mut unknown as *mut _ as *mut _,
+            )
+            .map_err(|e| e.to_string())?;
+
+        Ok(unknown.unwrap().cast().map_err(|e| e.to_string())?)
+    }
+}
+
+fn create_command(db_init: IDBInitialize) -> Result<ICommandText, String> {
+    unsafe {
+        let db_create_session: IDBCreateSession = db_init.cast().map_err(|e| e.to_string())?;
+        let session: IUnknown = db_create_session
+            .CreateSession(None, &IUnknown::IID)
+            .map_err(|e| e.to_string())?;
+        let db_create_command: IDBCreateCommand = session.cast().map_err(|e| e.to_string())?;
+        Ok(db_create_command
+            .CreateCommand(None, &ICommand::IID)
+            .map_err(|e| e.to_string())?
+            .cast()
+            .map_err(|e| e.to_string())?)
+    }
+}
+
+fn execute_windows_search_sql(sql_query: &str) -> Result<Vec<(String, String)>, String> {
+    unsafe {
+        let mut pwstr_owned_sql = PwStrOwned::from(sql_query);
+        // SAFETY: pwstr_owned_sql will live for the whole lifetime of this function.
+        let sql_query = pwstr_owned_sql.as_pwstr();
+
+        let db_init = create_db_initialize()?;
+        db_init.Initialize().map_err(|e| e.to_string())?;
+        let command = create_command(db_init)?;
+
+        // Set the command text
+        command
+            .SetCommandText(&DBGUID_DEFAULT, sql_query)
+            .map_err(|e| e.to_string())?;
+
+        // Execute the command
+        let mut rowset: Option<IRowset> = None;
+        command
+            .Execute(
+                None,
+                &IRowset::IID,
+                None,
+                None,
+                Some(&mut rowset as *mut _ as *mut _),
+            )
+            .map_err(|e| e.to_string())?;
+        let rowset = rowset.ok_or_else(|| {
+            format!(
+                "No rowset returned for query: {}",
+                // SAFETY: the raw pointer is not dangling
+                sql_query
+                    .to_string()
+                    .expect("the conversion should work as `sql_query` was created from a String",)
+            )
+        })?;
+
+        let accessor: IAccessor = rowset
+            .cast()
+            .map_err(|e| format!("Failed to cast to IAccessor: {}", e.to_string()))?;
+
+        let mut output = Vec::new();
+        let mut count = 0;
+        loop {
+            let mut rows_fetched = 0;
+            let mut row_handles = [std::ptr::null_mut(); 1];
+            let result = rowset.GetNextRows(
+                DB_NULL_HCHAPTER as usize,
+                0,
+                &mut rows_fetched,
+                &mut row_handles,
+            );
+            if result.is_err() {
+                break;
+            }
+            if rows_fetched == 0 {
+                break;
+            }
+
+            let mut data = Vec::new();
+
+            for i in 0..2 {
+                let mut item_name = [0u16; 512];
+
+                let accessor_handle = create_accessor_handle(&accessor, i + 1)?;
+                rowset
+                    .GetData(
+                        *row_handles[0],
+                        accessor_handle,
+                        item_name.as_mut_ptr() as *mut _,
+                    )
+                    .map_err(|e| {
+                        format!(
+                            "Failed to get data at count {}, index {}: {}",
+                            count,
+                            i,
+                            e.to_string()
+                        )
+                    })?;
+                let name = String::from_utf16_lossy(&item_name);
+                // Remove null characters
+                data.push(name.trim_end_matches('\u{0000}').to_string());
+
+                accessor
+                    .ReleaseAccessor(accessor_handle, None)
+                    .map_err(|e| {
+                        format!(
+                            "Failed to release accessor at count {}, index {}: {}",
+                            count,
+                            i,
+                            e.to_string()
+                        )
+                    })?;
+            }
+
+            output.push((data[0].clone(), data[1].clone()));
+
+            count += 1;
+            rowset
+                .ReleaseRows(
+                    1,
+                    row_handles[0],
+                    std::ptr::null_mut(),
+                    std::ptr::null_mut(),
+                    std::ptr::null_mut(),
+                )
+                .map_err(|e| {
+                    format!(
+                        "Failed to release rows at count {}: {}",
+                        count,
+                        e.to_string()
+                    )
+                })?;
+        }
+
+        Ok(output)
+    }
+}
+
+pub(crate) async fn hits(
+    query_string: &str,
+    from: usize,
+    size: usize,
+    config: &FileSearchConfig,
+) -> Result<Vec<(Document, f64)>, String> {
+    let sql = query_sql(query_string, from, size, config);
+    unsafe { OleInitialize(None).map_err(|e| e.to_string())? };
+    let result = execute_windows_search_sql(&sql)?;
+    unsafe { OleUninitialize() };
+    // .take(size) is not needed as `result` will contain `from+size` files at most
+    let result_with_paging = result.into_iter().skip(from);
+    // result_with_paging won't contain more than `size` entries
+    let mut hits = Vec::with_capacity(size);
+
+    const ITEM_URL_PREFIX: &str = "file:";
+    const ITEM_URL_PREFIX_LEN: usize = ITEM_URL_PREFIX.len();
+    for (item_url, score_str) in result_with_paging {
+        // path returned from Windows Search contains a prefix, we need to trim it.
+        //
+        // "file:C:/Users/desktop.ini" => "C:/Users/desktop.ini"
+        let file_path = &item_url[ITEM_URL_PREFIX_LEN..];
+
+        let icon = get_file_icon(file_path.to_string()).await;
+        let file_path_of_type_path = camino::Utf8Path::new(&file_path);
+        let r#where = file_path_of_type_path
+            .parent()
+            .unwrap_or_else(|| {
+                panic!(
+                    "expect path [{}] to have a parent, but it does not",
+                    file_path
+                );
+            })
+            .to_string();
+
+        let file_name = file_path_of_type_path.file_name().unwrap_or_else(|| {
+            panic!(
+                "expect path [{}] to have a file name, but it does not",
+                file_path
+            );
+        });
+        let on_opened = OnOpened::Document {
+            url: file_path.to_string(),
+        };
+
+        let doc = Document {
+            id: file_path.to_string(),
+            title: Some(file_name.to_string()),
+            source: Some(DataSourceReference {
+                r#type: Some(LOCAL_QUERY_SOURCE_TYPE.into()),
+                name: Some(EXTENSION_ID.into()),
+                id: Some(EXTENSION_ID.into()),
+                icon: Some(String::from("font_Filesearch")),
+            }),
+            category: Some(r#where),
+            on_opened: Some(on_opened),
+            url: Some(file_path.into()),
+            icon: Some(icon.to_string()),
+            ..Default::default()
+        };
+
+        let score: f64 = score_str.parse().expect(
+            "System.Search.Rank should be in range [0, 1000], which should be valid for [f64]",
+        );
+
+        hits.push((doc, score));
+    }
+
+    Ok(hits)
+}
+
+// Skip these tests in our CI, they fail with the following error
+// "SQL is invalid: "0x80041820""
+//
+// I have no idea about the underlying root cause
+#[cfg(all(test, not(ci)))]
+mod test_windows_search {
+    use super::*;
+
+    /// Helper function for ensuring `sql` is valid SQL by actually executing it.
+    fn ensure_it_is_valid_sql(sql: &str) {
+        unsafe { OleInitialize(None).unwrap() };
+        execute_windows_search_sql(&sql).expect("SQL is invalid");
+        unsafe { OleUninitialize() };
+    }
+
+    #[test]
+    fn test_query_sql_empty_config_search_by_name() {
+        let config = FileSearchConfig {
+            search_paths: Vec::new(),
+            exclude_paths: Vec::new(),
+            file_types: Vec::new(),
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("coco", 0, 10, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 10 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%coco%')"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_empty_config_search_by_name_and_content() {
+        let config = FileSearchConfig {
+            search_paths: Vec::new(),
+            exclude_paths: Vec::new(),
+            file_types: Vec::new(),
+            search_by: SearchBy::NameAndContents,
+        };
+        let sql = query_sql("coco", 0, 10, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 10 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE ((System.FileName LIKE '%coco%') OR CONTAINS('coco'))"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_with_search_paths() {
+        let config = FileSearchConfig {
+            search_paths: vec!["C:/Users/".into()],
+            exclude_paths: Vec::new(),
+            file_types: Vec::new(),
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("coco", 0, 10, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 10 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%coco%') AND (SCOPE = 'file:C:/Users/')"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_with_multiple_search_paths() {
+        let config = FileSearchConfig {
+            search_paths: vec![
+                "C:/Users/".into(),
+                "D:/Projects/".into(),
+                "E:/Documents/".into(),
+            ],
+            exclude_paths: Vec::new(),
+            file_types: Vec::new(),
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("test", 0, 5, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 5 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%test%') AND (SCOPE = 'file:C:/Users/' OR SCOPE = 'file:D:/Projects/' OR SCOPE = 'file:E:/Documents/')"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_with_exclude_paths() {
+        let config = FileSearchConfig {
+            search_paths: Vec::new(),
+            exclude_paths: vec!["C:/Windows/".into()],
+            file_types: Vec::new(),
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("file", 0, 20, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 20 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%file%') AND ((NOT SCOPE = 'file:C:/Windows/'))"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_with_multiple_exclude_paths() {
+        let config = FileSearchConfig {
+            search_paths: Vec::new(),
+            exclude_paths: vec!["C:/Windows/".into(), "C:/System/".into(), "C:/Temp/".into()],
+            file_types: Vec::new(),
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("data", 5, 15, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 20 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%data%') AND ((NOT SCOPE = 'file:C:/Windows/') AND (NOT SCOPE = 'file:C:/System/') AND (NOT SCOPE = 'file:C:/Temp/'))"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_with_file_types() {
+        let config = FileSearchConfig {
+            search_paths: Vec::new(),
+            exclude_paths: Vec::new(),
+            file_types: vec!["txt".into()],
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("readme", 0, 10, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 10 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%readme%') AND (System.FileExtension = '.txt')"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_with_multiple_file_types() {
+        let config = FileSearchConfig {
+            search_paths: Vec::new(),
+            exclude_paths: Vec::new(),
+            file_types: vec!["rs".into(), "toml".into(), "md".into(), "json".into()],
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("config", 0, 50, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 50 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%config%') AND (System.FileExtension = '.rs' OR System.FileExtension = '.toml' OR System.FileExtension = '.md' OR System.FileExtension = '.json')"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_all_fields_combined() {
+        let config = FileSearchConfig {
+            search_paths: vec!["C:/Projects/".into(), "D:/Code/".into()],
+            exclude_paths: vec!["C:/Projects/temp/".into()],
+            file_types: vec!["rs".into(), "ts".into()],
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("main", 10, 25, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 35 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%main%') AND (SCOPE = 'file:C:/Projects/' OR SCOPE = 'file:D:/Code/') AND ((NOT SCOPE = 'file:C:/Projects/temp/')) AND (System.FileExtension = '.rs' OR System.FileExtension = '.ts')"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_with_special_characters() {
+        let config = FileSearchConfig {
+            search_paths: vec!["C:/Users/John Doe/".into()],
+            exclude_paths: Vec::new(),
+            file_types: vec!["c++".into()],
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("hello-world", 0, 10, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 10 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%hello-world%') AND (SCOPE = 'file:C:/Users/John Doe/') AND (System.FileExtension = '.c++')"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+
+    #[test]
+    fn test_query_sql_edge_case_large_offset() {
+        let config = FileSearchConfig {
+            search_paths: Vec::new(),
+            exclude_paths: Vec::new(),
+            file_types: Vec::new(),
+            search_by: SearchBy::Name,
+        };
+        let sql = query_sql("test", 100, 50, &config);
+
+        assert_eq!(
+            sql,
+            "SELECT TOP 150 System.ItemUrl, System.Search.Rank FROM SystemIndex WHERE (System.FileName LIKE '%test%')"
+        );
+        ensure_it_is_valid_sql(&sql);
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_query_string_cleanup_no_unsupported_chars() {
+        let input = "hello world";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, input);
+    }
+
+    #[test]
+    fn test_query_string_cleanup_single_quote() {
+        let input = "don't worry";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, "don t worry");
+    }
+
+    #[test]
+    fn test_query_string_cleanup_newline() {
+        let input = "line1\nline2";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, "line1 line2");
+    }
+
+    #[test]
+    fn test_query_string_cleanup_both_unsupported_chars() {
+        let input = "don't\nworry";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, "don t worry");
+    }
+
+    #[test]
+    fn test_query_string_cleanup_multiple_single_quotes() {
+        let input = "it's a 'test' string";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, "it s a  test  string");
+    }
+
+    #[test]
+    fn test_query_string_cleanup_multiple_newlines() {
+        let input = "line1\n\nline2\nline3";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, "line1  line2 line3");
+    }
+
+    #[test]
+    fn test_query_string_cleanup_empty_string() {
+        let input = "";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, input);
+    }
+
+    #[test]
+    fn test_query_string_cleanup_only_unsupported_chars() {
+        let input = "'\n'";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, "   ");
+    }
+
+    #[test]
+    fn test_query_string_cleanup_unicode_characters() {
+        let input = "héllo wörld's\nfile";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, "héllo wörld s file");
+    }
+
+    #[test]
+    fn test_query_string_cleanup_special_chars_preserved() {
+        let input = "test@file#name$with%symbols";
+        let result = query_string_cleanup(input);
+        assert_eq!(result, input);
+    }
+}

src-tauri/src/extension/built_in/file_search/mod.rs

@@ -0,0 +1,97 @@
+pub(crate) mod config;
+pub(crate) mod implementation;
+
+use super::super::LOCAL_QUERY_SOURCE_TYPE;
+use crate::common::{
+    error::SearchError,
+    search::{QueryResponse, QuerySource, SearchQuery},
+    traits::SearchSource,
+};
+use async_trait::async_trait;
+use config::FileSearchConfig;
+use hostname;
+use tauri::AppHandle;
+
+pub(crate) const EXTENSION_ID: &str = "File Search";
+
+/// JSON file for this extension.
+pub(crate) const PLUGIN_JSON_FILE: &str = r#"
+{
+  "id": "File Search",
+  "name": "File Search",
+  "platforms": ["macos", "windows"],
+  "description": "Search files on your system",
+  "icon": "font_Filesearch",
+  "type": "extension"
+}
+"#;
+
+pub struct FileSearchExtensionSearchSource;
+
+#[async_trait]
+impl SearchSource for FileSearchExtensionSearchSource {
+    fn get_type(&self) -> QuerySource {
+        QuerySource {
+            r#type: LOCAL_QUERY_SOURCE_TYPE.into(),
+            name: hostname::get()
+                .unwrap_or(EXTENSION_ID.into())
+                .to_string_lossy()
+                .into(),
+            id: EXTENSION_ID.into(),
+        }
+    }
+
+    async fn search(
+        &self,
+        tauri_app_handle: AppHandle,
+        query: SearchQuery,
+    ) -> Result<QueryResponse, SearchError> {
+        let Some(query_string) = query.query_strings.get("query") else {
+            return Ok(QueryResponse {
+                source: self.get_type(),
+                hits: Vec::new(),
+                total_hits: 0,
+            });
+        };
+        let from = usize::try_from(query.from).expect("from too big");
+        let size = usize::try_from(query.size).expect("size too big");
+
+        let query_string = query_string.trim();
+        if query_string.is_empty() {
+            return Ok(QueryResponse {
+                source: self.get_type(),
+                hits: Vec::new(),
+                total_hits: 0,
+            });
+        }
+
+        // Get configuration from tauri store
+        let config = FileSearchConfig::get(&tauri_app_handle);
+
+        // If search paths are empty, then the hit should be empty.
+        //
+        // Without this, empty search paths will result in a mdfind that has no `-onlyin`
+        // option, which will in turn query the whole disk volume.
+        if config.search_paths.is_empty() {
+            return Ok(QueryResponse {
+                source: self.get_type(),
+                hits: Vec::new(),
+                total_hits: 0,
+            });
+        }
+
+        // Execute search in a blocking task
+        let query_source = self.get_type();
+
+        let hits = implementation::hits(&query_string, from, size, &config)
+            .await
+            .map_err(SearchError::InternalError)?;
+
+        let total_hits = hits.len();
+        Ok(QueryResponse {
+            source: query_source,
+            hits,
+            total_hits,
+        })
+    }
+}

src-tauri/src/extension/built_in/mod.rs

@@ -0,0 +1,543 @@
+//! Built-in extensions and related stuff.
+
+pub mod ai_overview;
+pub mod application;
+pub mod calculator;
+#[cfg(any(target_os = "macos", target_os = "windows"))]
+pub mod file_search;
+pub mod pizza_engine_runtime;
+pub mod quick_ai_access;
+
+use super::Extension;
+use crate::SearchSourceRegistry;
+use crate::extension::built_in::application::{set_apps_hotkey, unset_apps_hotkey};
+use crate::extension::{
+    ExtensionBundleIdBorrowed, PLUGIN_JSON_FILE_NAME, alter_extension_json_file,
+};
+use anyhow::Context;
+use std::path::{Path, PathBuf};
+use tauri::{AppHandle, Manager, Runtime};
+
+pub(crate) fn get_built_in_extension_directory<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+) -> PathBuf {
+    let mut resource_dir = tauri_app_handle.path().app_data_dir().expect(
+        "User home directory not found, which should be impossible on desktop environments",
+    );
+    resource_dir.push("built_in_extensions");
+
+    resource_dir
+}
+
+/// Helper function to load the built-in extension specified by `extension_id`, used
+/// in `list_built_in_extensions()`.
+///
+/// For built-in extensions, users are only allowed to edit these fields:
+///
+///   1. alias (if this extension supports alias)
+///   2. hotkey (if this extension supports hotkey)
+///   3. enabled
+///
+/// If
+///
+///   1. The above fields have invalid value
+///   2. Other fields are modified
+///
+/// we ignore and reset them to the default value.
+async fn load_built_in_extension(
+    built_in_extensions_dir: &Path,
+    extension_id: &str,
+    default_plugin_json_file: &str,
+) -> Result<Extension, String> {
+    let mut extension_dir = built_in_extensions_dir.join(extension_id);
+    let mut default_plugin_json = serde_json::from_str::<Extension>(&default_plugin_json_file).unwrap_or_else( |e| {
+          panic!("the default extension {} file of built-in extension [{}] cannot be parsed as a valid [struct Extension], error [{}]", PLUGIN_JSON_FILE_NAME, extension_id, e);
+        });
+
+    if !extension_dir.try_exists().map_err(|e| e.to_string())? {
+        tokio::fs::create_dir_all(extension_dir.as_path())
+            .await
+            .map_err(|e| e.to_string())?;
+    }
+
+    let plugin_json_file_path = {
+        extension_dir.push(PLUGIN_JSON_FILE_NAME);
+        extension_dir
+    };
+
+    // If the JSON file does not exist, create a file with the default template and return.
+    if !plugin_json_file_path
+        .try_exists()
+        .map_err(|e| e.to_string())?
+    {
+        tokio::fs::write(plugin_json_file_path, default_plugin_json_file)
+            .await
+            .map_err(|e| e.to_string())?;
+
+        return Ok(default_plugin_json);
+    }
+
+    let plugin_json_file_content = tokio::fs::read_to_string(plugin_json_file_path.as_path())
+        .await
+        .map_err(|e| e.to_string())?;
+    let res_plugin_json = serde_json::from_str::<Extension>(&plugin_json_file_content);
+    let Ok(plugin_json) = res_plugin_json else {
+        log::warn!(
+            "user invalidated built-in extension [{}] file, overwriting it with the default template",
+            extension_id
+        );
+
+        // If the JSON file cannot be parsed as `struct Extension`, overwrite it with the default template and return.
+        tokio::fs::write(plugin_json_file_path, default_plugin_json_file)
+            .await
+            .map_err(|e| e.to_string())?;
+
+        return Ok(default_plugin_json);
+    };
+
+    // Users are only allowed to edit the below fields
+    //   1. alias (if this extension supports alias)
+    //   2. hotkey (if this extension supports hotkey)
+    //   3. enabled
+    // so we ignore all other fields.
+    let alias = if default_plugin_json.supports_alias_hotkey() {
+        plugin_json.alias.clone()
+    } else {
+        None
+    };
+    let hotkey = if default_plugin_json.supports_alias_hotkey() {
+        plugin_json.hotkey.clone()
+    } else {
+        None
+    };
+
+    let enabled = plugin_json.enabled;
+
+    default_plugin_json.alias = alias;
+    default_plugin_json.hotkey = hotkey;
+    default_plugin_json.enabled = enabled;
+
+    let final_plugin_json_file_content = serde_json::to_string_pretty(&default_plugin_json)
+        .expect("failed to serialize `struct Extension`");
+    tokio::fs::write(plugin_json_file_path, final_plugin_json_file_content)
+        .await
+        .map_err(|e| e.to_string())?;
+
+    Ok(default_plugin_json)
+}
+
+/// Return the built-in extension list.
+///
+/// Will create extension files when they are not found.
+///
+/// Users may put extension files in the built-in extension directory, but
+/// we do not care and will ignore them.
+///
+/// We only read alias/hotkey/enabled from the JSON file, we have ensured that if
+/// alias/hotkey is not supported, then it will be `None`. Besides that, no further
+/// validation is needed because nothing could go wrong.
+pub(crate) async fn list_built_in_extensions<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+) -> Result<Vec<Extension>, String> {
+    let dir = get_built_in_extension_directory(tauri_app_handle);
+
+    let mut built_in_extensions = Vec::new();
+    built_in_extensions.push(
+        load_built_in_extension(
+            &dir,
+            application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME,
+            application::PLUGIN_JSON_FILE,
+        )
+        .await?,
+    );
+    built_in_extensions.push(
+        load_built_in_extension(
+            &dir,
+            calculator::DATA_SOURCE_ID,
+            calculator::PLUGIN_JSON_FILE,
+        )
+        .await?,
+    );
+    built_in_extensions.push(
+        load_built_in_extension(
+            &dir,
+            ai_overview::EXTENSION_ID,
+            ai_overview::PLUGIN_JSON_FILE,
+        )
+        .await?,
+    );
+    built_in_extensions.push(
+        load_built_in_extension(
+            &dir,
+            quick_ai_access::EXTENSION_ID,
+            quick_ai_access::PLUGIN_JSON_FILE,
+        )
+        .await?,
+    );
+
+    cfg_if::cfg_if! {
+        if #[cfg(any(target_os = "macos", target_os = "windows"))] {
+            built_in_extensions.push(
+                load_built_in_extension(
+                    &dir,
+                    file_search::EXTENSION_ID,
+                    file_search::PLUGIN_JSON_FILE,
+                )
+                .await?,
+            );
+        }
+    }
+
+    Ok(built_in_extensions)
+}
+
+pub(super) async fn init_built_in_extension<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+    extension: &Extension,
+    search_source_registry: &SearchSourceRegistry,
+) -> Result<(), String> {
+    log::trace!("initializing built-in extensions [{}]", extension.id);
+
+    if extension.id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME {
+        search_source_registry
+            .register_source(application::ApplicationSearchSource)
+            .await;
+        set_apps_hotkey(&tauri_app_handle)?;
+        log::debug!("built-in extension [{}] initialized", extension.id);
+    }
+
+    if extension.id == calculator::DATA_SOURCE_ID {
+        let calculator_search = calculator::CalculatorSource::new(2000f64);
+        search_source_registry
+            .register_source(calculator_search)
+            .await;
+        log::debug!("built-in extension [{}] initialized", extension.id);
+    }
+
+    cfg_if::cfg_if! {
+        if #[cfg(any(target_os = "macos", target_os = "windows"))] {
+            if extension.id == file_search::EXTENSION_ID {
+                let file_system_search = file_search::FileSearchExtensionSearchSource;
+                search_source_registry
+                    .register_source(file_system_search)
+                    .await;
+                log::debug!("built-in extension [{}] initialized", extension.id);
+            }
+        }
+    }
+
+    Ok(())
+}
+
+pub(crate) fn is_extension_built_in(bundle_id: &ExtensionBundleIdBorrowed<'_>) -> bool {
+    bundle_id.developer.is_none()
+}
+
+pub(crate) async fn enable_built_in_extension<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+    bundle_id: &ExtensionBundleIdBorrowed<'_>,
+) -> Result<(), String> {
+    let search_source_registry_tauri_state = tauri_app_handle.state::<SearchSourceRegistry>();
+
+    let update_extension = |extension: &mut Extension| -> Result<(), String> {
+        extension.enabled = true;
+        Ok(())
+    };
+
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME
+        && bundle_id.sub_extension_id.is_none()
+    {
+        search_source_registry_tauri_state
+            .register_source(application::ApplicationSearchSource)
+            .await;
+        set_apps_hotkey(tauri_app_handle)?;
+
+        alter_extension_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id,
+            update_extension,
+        )?;
+
+        return Ok(());
+    }
+
+    // Check if this is an application
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME
+        && bundle_id.sub_extension_id.is_some()
+    {
+        let app_path = bundle_id.sub_extension_id.expect("just checked it is Some");
+        application::enable_app_search(tauri_app_handle, app_path)?;
+        return Ok(());
+    }
+
+    if bundle_id.extension_id == calculator::DATA_SOURCE_ID {
+        let calculator_search = calculator::CalculatorSource::new(2000f64);
+        search_source_registry_tauri_state
+            .register_source(calculator_search)
+            .await;
+        alter_extension_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id,
+            update_extension,
+        )?;
+        return Ok(());
+    }
+
+    if bundle_id.extension_id == quick_ai_access::EXTENSION_ID {
+        alter_extension_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id,
+            update_extension,
+        )?;
+        return Ok(());
+    }
+
+    if bundle_id.extension_id == ai_overview::EXTENSION_ID {
+        alter_extension_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id,
+            update_extension,
+        )?;
+        return Ok(());
+    }
+
+    cfg_if::cfg_if! {
+        if #[cfg(any(target_os = "macos", target_os = "windows"))] {
+            if bundle_id.extension_id == file_search::EXTENSION_ID {
+            let file_system_search = file_search::FileSearchExtensionSearchSource;
+            search_source_registry_tauri_state
+                .register_source(file_system_search)
+                .await;
+            alter_extension_json_file(
+                &get_built_in_extension_directory(tauri_app_handle),
+                bundle_id,
+                update_extension,
+            )?;
+            return Ok(());
+            }
+        }
+    }
+
+    Ok(())
+}
+
+pub(crate) async fn disable_built_in_extension<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+    bundle_id: &ExtensionBundleIdBorrowed<'_>,
+) -> Result<(), String> {
+    let search_source_registry_tauri_state = tauri_app_handle.state::<SearchSourceRegistry>();
+
+    let update_extension = |extension: &mut Extension| -> Result<(), String> {
+        extension.enabled = false;
+        Ok(())
+    };
+
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME
+        && bundle_id.sub_extension_id.is_none()
+    {
+        search_source_registry_tauri_state
+            .remove_source(bundle_id.extension_id)
+            .await;
+        unset_apps_hotkey(tauri_app_handle)?;
+
+        alter_extension_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id,
+            update_extension,
+        )?;
+        return Ok(());
+    }
+
+    // Check if this is an application
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME
+        && bundle_id.sub_extension_id.is_some()
+    {
+        let app_path = bundle_id.sub_extension_id.expect("just checked it is Some");
+        application::disable_app_search(tauri_app_handle, app_path)?;
+        return Ok(());
+    }
+
+    if bundle_id.extension_id == calculator::DATA_SOURCE_ID {
+        search_source_registry_tauri_state
+            .remove_source(bundle_id.extension_id)
+            .await;
+        alter_extension_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id,
+            update_extension,
+        )?;
+        return Ok(());
+    }
+
+    if bundle_id.extension_id == quick_ai_access::EXTENSION_ID {
+        alter_extension_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id,
+            update_extension,
+        )?;
+
+        return Ok(());
+    }
+
+    if bundle_id.extension_id == ai_overview::EXTENSION_ID {
+        alter_extension_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id,
+            update_extension,
+        )?;
+
+        return Ok(());
+    }
+
+    cfg_if::cfg_if! {
+        if #[cfg(any(target_os = "macos", target_os = "windows"))] {
+            if bundle_id.extension_id == file_search::EXTENSION_ID {
+                search_source_registry_tauri_state
+                    .remove_source(bundle_id.extension_id)
+                    .await;
+                alter_extension_json_file(
+                    &get_built_in_extension_directory(tauri_app_handle),
+                    bundle_id,
+                    update_extension,
+                )?;
+                return Ok(());
+            }
+        }
+    }
+
+    Ok(())
+}
+
+pub(crate) fn set_built_in_extension_alias<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+    bundle_id: &ExtensionBundleIdBorrowed<'_>,
+    alias: &str,
+) {
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME {
+        if let Some(app_path) = bundle_id.sub_extension_id {
+            application::set_app_alias(tauri_app_handle, app_path, alias);
+        }
+    }
+}
+
+pub(crate) fn register_built_in_extension_hotkey<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+    bundle_id: &ExtensionBundleIdBorrowed<'_>,
+    hotkey: &str,
+) -> Result<(), String> {
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME {
+        if let Some(app_path) = bundle_id.sub_extension_id {
+            application::register_app_hotkey(&tauri_app_handle, app_path, hotkey)?;
+        }
+    }
+    Ok(())
+}
+
+pub(crate) fn unregister_built_in_extension_hotkey<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+    bundle_id: &ExtensionBundleIdBorrowed<'_>,
+) -> Result<(), String> {
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME {
+        if let Some(app_path) = bundle_id.sub_extension_id {
+            application::unregister_app_hotkey(&tauri_app_handle, app_path)?;
+        }
+    }
+    Ok(())
+}
+
+fn split_extension_id(extension_id: &str) -> (&str, Option<&str>) {
+    match extension_id.find('.') {
+        Some(idx) => (&extension_id[..idx], Some(&extension_id[idx + 1..])),
+        None => (extension_id, None),
+    }
+}
+
+fn load_extension_from_json_file(
+    extension_directory: &Path,
+    extension_id: &str,
+) -> Result<Extension, String> {
+    let (parent_extension_id, _opt_sub_extension_id) = split_extension_id(extension_id);
+    let json_file_path = {
+        let mut extension_directory_path = extension_directory.join(parent_extension_id);
+        extension_directory_path.push(PLUGIN_JSON_FILE_NAME);
+
+        extension_directory_path
+    };
+
+    let mut extension = serde_json::from_reader::<_, Extension>(
+        std::fs::File::open(&json_file_path)
+            .with_context(|| {
+                format!(
+                    "the [{}] file for extension [{}] is missing or broken",
+                    PLUGIN_JSON_FILE_NAME, parent_extension_id
+                )
+            })
+            .map_err(|e| e.to_string())?,
+    )
+    .map_err(|e| e.to_string())?;
+
+    super::canonicalize_relative_icon_path(extension_directory, &mut extension)?;
+
+    Ok(extension)
+}
+
+pub(crate) async fn is_built_in_extension_enabled<R: Runtime>(
+    tauri_app_handle: &AppHandle<R>,
+    bundle_id: &ExtensionBundleIdBorrowed<'_>,
+) -> Result<bool, String> {
+    let search_source_registry_tauri_state = tauri_app_handle.state::<SearchSourceRegistry>();
+
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME
+        && bundle_id.sub_extension_id.is_none()
+    {
+        return Ok(search_source_registry_tauri_state
+            .get_source(bundle_id.extension_id)
+            .await
+            .is_some());
+    }
+
+    // Check if this is an application
+    if bundle_id.extension_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME {
+        if let Some(app_path) = bundle_id.sub_extension_id {
+            return Ok(application::is_app_search_enabled(app_path));
+        }
+    }
+
+    if bundle_id.extension_id == calculator::DATA_SOURCE_ID {
+        return Ok(search_source_registry_tauri_state
+            .get_source(bundle_id.extension_id)
+            .await
+            .is_some());
+    }
+
+    if bundle_id.extension_id == quick_ai_access::EXTENSION_ID {
+        let extension = load_extension_from_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id.extension_id,
+        )?;
+        return Ok(extension.enabled);
+    }
+
+    if bundle_id.extension_id == ai_overview::EXTENSION_ID {
+        let extension = load_extension_from_json_file(
+            &get_built_in_extension_directory(tauri_app_handle),
+            bundle_id.extension_id,
+        )?;
+        return Ok(extension.enabled);
+    }
+
+    cfg_if::cfg_if! {
+        if #[cfg(any(target_os = "macos", target_os = "windows"))] {
+            if bundle_id.extension_id == file_search::EXTENSION_ID
+                && bundle_id.sub_extension_id.is_none()
+            {
+                return Ok(search_source_registry_tauri_state
+                    .get_source(bundle_id.extension_id)
+                    .await
+                    .is_some());
+            }
+        }
+    }
+
+    unreachable!("extension [{:?}] is not a built-in extension", bundle_id)
+}

src-tauri/src/extension/built_in/pizza_engine_runtime.rs

@@ -0,0 +1,76 @@
+//! We use Pizza Engine to index applications and local files. The engine will be
+//! run in the thread/runtime defined in this file.
+//!
+//! # Why such a thread/runtime is needed
+//!
+//! Generally, Tokio async runtime requires all the async tasks running on it to be
+//! `Send` and `Sync`, but the async tasks created by Pizza Engine are not,
+//! which forces us to create a dedicated thread/runtime to execute them.
+
+use std::any::Any;
+use std::collections::HashMap;
+use std::collections::hash_map::Entry;
+use std::sync::OnceLock;
+
+pub(crate) trait SearchSourceState {
+    #[cfg_attr(not(feature = "use_pizza_engine"), allow(unused))]
+    fn as_mut_any(&mut self) -> &mut dyn Any;
+}
+
+#[async_trait::async_trait(?Send)]
+pub(crate) trait Task: Send + Sync {
+    fn search_source_id(&self) -> &'static str;
+
+    async fn exec(&mut self, state: &mut Option<Box<dyn SearchSourceState>>);
+}
+
+pub(crate) static RUNTIME_TX: OnceLock<tokio::sync::mpsc::UnboundedSender<Box<dyn Task>>> =
+    OnceLock::new();
+
+/// This function blocks until the runtime thread is ready for accepting tasks.
+pub(crate) async fn start_pizza_engine_runtime() {
+    const THREAD_NAME: &str = "Pizza engine runtime thread";
+
+    log::trace!("starting Pizza engine runtime");
+    let (engine_start_signal_tx, engine_start_signal_rx) = tokio::sync::oneshot::channel();
+
+    std::thread::Builder::new()
+        .name(THREAD_NAME.into())
+        .spawn(move || {
+            let rt = tokio::runtime::Runtime::new().unwrap();
+
+            let main = async {
+                let mut states: HashMap<String, Option<Box<dyn SearchSourceState>>> =
+                    HashMap::new();
+
+                let (tx, mut rx) = tokio::sync::mpsc::unbounded_channel();
+                RUNTIME_TX.set(tx).unwrap();
+
+                engine_start_signal_tx
+                    .send(())
+                    .expect("engine_start_signal_rx dropped");
+
+                while let Some(mut task) = rx.recv().await {
+                    let opt_search_source_state = match states.entry(task.search_source_id().into())
+                    {
+                        Entry::Occupied(o) => o.into_mut(),
+                        Entry::Vacant(v) => v.insert(None),
+                    };
+                    task.exec(opt_search_source_state).await;
+                }
+            };
+
+            rt.block_on(main);
+        })
+        .unwrap_or_else(|e| {
+            panic!(
+                "failed to start thread [{}] due to error [{}]",
+                THREAD_NAME, e
+            );
+        });
+
+    engine_start_signal_rx
+        .await
+        .expect("engine_start_signal_tx dropped, the runtime thread could be dead");
+    log::trace!("Pizza engine runtime started");
+}

src-tauri/src/extension/built_in/quick_ai_access.rs

@@ -0,0 +1,12 @@
+pub(super) const EXTENSION_ID: &str = "QuickAIAccess";
+
+pub(crate) const PLUGIN_JSON_FILE: &str = r#"
+{
+  "id": "QuickAIAccess",
+  "name": "Quick AI Access",
+  "description": "...",
+  "icon": "font_a-QuickAIAccess",
+  "type": "ai_extension",
+  "enabled": true
+}
+"#;

src-tauri/src/extension/mod.rs

@@ -0,0 +1,775 @@
+pub(crate) mod built_in;
+pub(crate) mod third_party;
+
+use crate::common::document::OnOpened;
+use crate::common::register::SearchSourceRegistry;
+use crate::util::platform::Platform;
+use anyhow::Context;
+use borrowme::{Borrow, ToOwned};
+use derive_more::Display;
+use serde::Deserialize;
+use serde::Serialize;
+use serde_json::Value as Json;
+use std::collections::HashSet;
+use std::path::Path;
+use tauri::{AppHandle, Manager, Runtime};
+use third_party::THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE;
+
+pub const LOCAL_QUERY_SOURCE_TYPE: &str = "local";
+const PLUGIN_JSON_FILE_NAME: &str = "plugin.json";
+const ASSETS_DIRECTORY_FILE_NAME: &str = "assets";
+
+fn default_true() -> bool {
+    true
+}
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct Extension {
+    /// Extension ID.
+    ///
+    /// The ID doesn't uniquely identifies an extension; Its bundle ID (ID & developer) does.
+    id: String,
+    /// Extension name.
+    name: String,
+    /// ID of the developer.
+    ///
+    /// * For built-in extensions, this will always be None.
+    /// * For third-party first-layer extensions, the on-disk plugin.json file
+    ///   won't contain this field, but we will set this field for them after reading them into the memory.
+    /// * For third-party sub extensions, this field will be None.
+    developer: Option<String>,
+    /// Platforms supported by this extension.
+    ///
+    /// If `None`, then this extension can be used on all the platforms.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    platforms: Option<HashSet<Platform>>,
+    /// Extension description.
+    description: String,
+    //// Specify the icon for this extension,
+    ///
+    /// For the `plugin.json` file, this field can be specified in multi options:
+    ///
+    /// 1. It can be a path to the icon file, the path can be
+    ///
+    ///    * relative (relative to the "assets" directory)
+    ///    * absolute
+    /// 2. It can be a font class code, e.g., 'font_coco', if you want to use
+    ///    Coco's built-in icons.
+    ///
+    /// In cases where your icon file is named similarly to a font class code, Coco
+    /// will treat it as an icon file if it exists, i.e., if file `<extension>/assets/font_coco`
+    /// exists, then Coco will use this file rather than the built-in 'font_coco' icon.
+    ///
+    /// For the `struct Extension` loaded into memory, this field should be:
+    ///
+    /// 1. An absolute path
+    /// 2. A font code
+    icon: String,
+    r#type: ExtensionType,
+    /// If this is a Command extension, then action defines the operation to execute
+    /// when the it is triggered.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    action: Option<CommandAction>,
+    /// The link to open if this is a Quicklink extension.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    quicklink: Option<Quicklink>,
+
+    // If this extension is of type Group or Extension, then it behaves like a
+    // directory, i.e., it could contain sub items.
+    commands: Option<Vec<Extension>>,
+    scripts: Option<Vec<Extension>>,
+    quicklinks: Option<Vec<Extension>>,
+
+    /// The alias of the extension.
+    ///
+    /// Extension of type Group and Extension cannot have alias.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    alias: Option<String>,
+    /// The hotkey of the extension.
+    ///
+    /// Extension of type Group and Extension cannot have hotkey.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    hotkey: Option<String>,
+
+    /// Is this extension enabled.
+    #[serde(default = "default_true")]
+    enabled: bool,
+
+    /// Extension settings
+    #[serde(skip_serializing_if = "Option::is_none")]
+    settings: Option<Json>,
+
+    // We do not care about these fields, just take it regardless of what it is.
+    screenshots: Option<Json>,
+    url: Option<Json>,
+    version: Option<Json>,
+}
+
+/// Bundle ID uniquely identifies an extension.
+#[derive(Debug, Deserialize, Serialize, PartialEq, Clone)]
+pub(crate) struct ExtensionBundleId {
+    developer: Option<String>,
+    extension_id: String,
+    sub_extension_id: Option<String>,
+}
+
+impl Borrow for ExtensionBundleId {
+    type Target<'a> = ExtensionBundleIdBorrowed<'a>;
+
+    fn borrow(&self) -> Self::Target<'_> {
+        ExtensionBundleIdBorrowed {
+            developer: self.developer.as_deref(),
+            extension_id: &self.extension_id,
+            sub_extension_id: self.sub_extension_id.as_deref(),
+        }
+    }
+}
+
+/// Reference version of `ExtensionBundleId`.
+#[derive(Debug, Serialize, PartialEq)]
+pub(crate) struct ExtensionBundleIdBorrowed<'ext> {
+    developer: Option<&'ext str>,
+    extension_id: &'ext str,
+    sub_extension_id: Option<&'ext str>,
+}
+
+impl ToOwned for ExtensionBundleIdBorrowed<'_> {
+    type Owned = ExtensionBundleId;
+
+    fn to_owned(&self) -> Self::Owned {
+        ExtensionBundleId {
+            developer: self.developer.map(|s| s.to_string()),
+            extension_id: self.extension_id.to_string(),
+            sub_extension_id: self.sub_extension_id.map(|s| s.to_string()),
+        }
+    }
+}
+
+impl<'ext> PartialEq<ExtensionBundleIdBorrowed<'ext>> for ExtensionBundleId {
+    fn eq(&self, other: &ExtensionBundleIdBorrowed<'ext>) -> bool {
+        self.developer.as_deref() == other.developer
+            && self.extension_id == other.extension_id
+            && self.sub_extension_id.as_deref() == other.sub_extension_id
+    }
+}
+
+impl<'ext> PartialEq<ExtensionBundleId> for ExtensionBundleIdBorrowed<'ext> {
+    fn eq(&self, other: &ExtensionBundleId) -> bool {
+        self.developer == other.developer.as_deref()
+            && self.extension_id == other.extension_id
+            && self.sub_extension_id == other.sub_extension_id.as_deref()
+    }
+}
+
+impl Extension {
+    /// WARNING: the bundle ID returned from this function always has its `sub_extension_id`
+    /// set to `None`, this may not be what you want.
+    pub(crate) fn bundle_id_borrowed(&self) -> ExtensionBundleIdBorrowed<'_> {
+        ExtensionBundleIdBorrowed {
+            developer: self.developer.as_deref(),
+            extension_id: &self.id,
+            sub_extension_id: None,
+        }
+    }
+
+    /// Whether this extension could be searched.
+    pub(crate) fn searchable(&self) -> bool {
+        self.on_opened().is_some()
+    }
+    /// Return what will happen when we open this extension.
+    ///
+    /// `None` if it cannot be opened.
+    pub(crate) fn on_opened(&self) -> Option<OnOpened> {
+        match self.r#type {
+            ExtensionType::Group => None,
+            ExtensionType::Extension => None,
+            ExtensionType::Command => Some(OnOpened::Command {
+                action: self.action.clone().unwrap_or_else(|| {
+                  panic!(
+                    "Command extension [{}]'s [action] field is not set, something wrong with your extension validity check", self.id
+                  )
+                }),
+            }),
+            ExtensionType::Application => Some(OnOpened::Application {
+                app_path: self.id.clone(),
+            }),
+            ExtensionType::Script => todo!("not supported yet"),
+            ExtensionType::Quicklink => todo!("not supported yet"),
+            ExtensionType::Setting => todo!("not supported yet"),
+            ExtensionType::Calculator => None,
+            ExtensionType::AiExtension => None,
+        }
+    }
+
+    pub(crate) fn get_sub_extension(&self, sub_extension_id: &str) -> Option<&Self> {
+        if !self.r#type.contains_sub_items() {
+            return None;
+        }
+
+        if let Some(ref commands) = self.commands {
+            if let Some(sub_ext) = commands.iter().find(|cmd| cmd.id == sub_extension_id) {
+                return Some(sub_ext);
+            }
+        }
+        if let Some(ref scripts) = self.scripts {
+            if let Some(sub_ext) = scripts.iter().find(|script| script.id == sub_extension_id) {
+                return Some(sub_ext);
+            }
+        }
+        if let Some(ref quicklinks) = self.quicklinks {
+            if let Some(sub_ext) = quicklinks.iter().find(|link| link.id == sub_extension_id) {
+                return Some(sub_ext);
+            }
+        }
+
+        None
+    }
+
+    pub(crate) fn get_sub_extension_mut(&mut self, sub_extension_id: &str) -> Option<&mut Self> {
+        if !self.r#type.contains_sub_items() {
+            return None;
+        }
+
+        if let Some(ref mut commands) = self.commands {
+            if let Some(sub_ext) = commands.iter_mut().find(|cmd| cmd.id == sub_extension_id) {
+                return Some(sub_ext);
+            }
+        }
+        if let Some(ref mut scripts) = self.scripts {
+            if let Some(sub_ext) = scripts
+                .iter_mut()
+                .find(|script| script.id == sub_extension_id)
+            {
+                return Some(sub_ext);
+            }
+        }
+        if let Some(ref mut quicklinks) = self.quicklinks {
+            if let Some(sub_ext) = quicklinks
+                .iter_mut()
+                .find(|link| link.id == sub_extension_id)
+            {
+                return Some(sub_ext);
+            }
+        }
+
+        None
+    }
+
+    pub(crate) fn supports_alias_hotkey(&self) -> bool {
+        let ty = self.r#type;
+
+        ty != ExtensionType::Group && ty != ExtensionType::Extension
+    }
+}
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub(crate) struct CommandAction {
+    pub(crate) exec: String,
+    pub(crate) args: Option<Vec<String>>,
+}
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct Quicklink {
+    link: String,
+}
+
+#[derive(Debug, PartialEq, Deserialize, Serialize, Clone, Display, Copy)]
+#[serde(rename_all(serialize = "snake_case", deserialize = "snake_case"))]
+pub enum ExtensionType {
+    #[display("Group")]
+    Group,
+    #[display("Extension")]
+    Extension,
+    #[display("Command")]
+    Command,
+    #[display("Application")]
+    Application,
+    #[display("Script")]
+    Script,
+    #[display("Quicklink")]
+    Quicklink,
+    #[display("Setting")]
+    Setting,
+    #[display("Calculator")]
+    Calculator,
+    #[display("AI Extension")]
+    AiExtension,
+}
+
+impl ExtensionType {
+    pub(crate) fn contains_sub_items(&self) -> bool {
+        self == &Self::Group || self == &Self::Extension
+    }
+}
+
+/// Helper function to filter out the extensions that do not satisfy the specified conditions.
+///
+/// used in `list_extensions()`
+fn filter_out_extensions(
+    extensions: &mut Vec<Extension>,
+    query: Option<&str>,
+    extension_type: Option<ExtensionType>,
+    list_enabled: bool,
+) {
+    // apply `list_enabled`
+    if list_enabled {
+        extensions.retain(|ext| ext.enabled);
+        for extension in extensions.iter_mut() {
+            if extension.r#type.contains_sub_items() {
+                if let Some(ref mut commands) = extension.commands {
+                    commands.retain(|cmd| cmd.enabled);
+                }
+                if let Some(ref mut scripts) = extension.scripts {
+                    scripts.retain(|script| script.enabled);
+                }
+                if let Some(ref mut quicklinks) = extension.quicklinks {
+                    quicklinks.retain(|link| link.enabled);
+                }
+            }
+        }
+    }
+
+    // apply extension type filter to non-group/extension extensions
+    if let Some(extension_type) = extension_type {
+        assert!(
+            extension_type != ExtensionType::Group && extension_type != ExtensionType::Extension,
+            "filtering in folder extensions is pointless"
+        );
+
+        extensions.retain(|ext| {
+            let ty = ext.r#type;
+            ty == ExtensionType::Group || ty == ExtensionType::Extension || ty == extension_type
+        });
+
+        // Filter sub-extensions to only include the requested type
+        for extension in extensions.iter_mut() {
+            if extension.r#type.contains_sub_items() {
+                if let Some(ref mut commands) = extension.commands {
+                    commands.retain(|cmd| cmd.r#type == extension_type);
+                }
+                if let Some(ref mut scripts) = extension.scripts {
+                    scripts.retain(|script| script.r#type == extension_type);
+                }
+                if let Some(ref mut quicklinks) = extension.quicklinks {
+                    quicklinks.retain(|link| link.r#type == extension_type);
+                }
+            }
+        }
+
+        // Application is special, technically, it should never be filtered out by
+        // this condition. But if our users will be surprising if they choose a
+        // non-Application type and see it in the results. So we do this to remedy the
+        // issue
+        if let Some(idx) = extensions.iter().position(|ext| {
+            ext.developer.is_none()
+                && ext.id == built_in::application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME
+        }) {
+            if extension_type != ExtensionType::Application {
+                extensions.remove(idx);
+            }
+        }
+    }
+
+    // apply query filter
+    if let Some(query) = query {
+        let match_closure = |ext: &Extension| {
+            let lowercase_title = ext.name.to_lowercase();
+            let lowercase_alias = ext.alias.as_ref().map(|alias| alias.to_lowercase());
+            let lowercase_query = query.to_lowercase();
+
+            lowercase_title.contains(&lowercase_query)
+                || lowercase_alias.map_or(false, |alias| alias.contains(&lowercase_query))
+        };
+
+        extensions.retain(|ext| {
+            if ext.r#type.contains_sub_items() {
+                // Keep all group/extension types
+                true
+            } else {
+                // Apply filter to non-group/extension types
+                match_closure(ext)
+            }
+        });
+
+        // Filter sub-extensions in groups and extensions
+        for extension in extensions.iter_mut() {
+            if extension.r#type.contains_sub_items() {
+                if let Some(ref mut commands) = extension.commands {
+                    commands.retain(&match_closure);
+                }
+                if let Some(ref mut scripts) = extension.scripts {
+                    scripts.retain(&match_closure);
+                }
+                if let Some(ref mut quicklinks) = extension.quicklinks {
+                    quicklinks.retain(&match_closure);
+                }
+            }
+        }
+    }
+}
+
+/// Return value:
+///
+/// * boolean: indicates if we found any invalid extensions
+/// * Vec<Extension>: loaded extensions
+#[tauri::command]
+pub(crate) async fn list_extensions<R: Runtime>(
+    tauri_app_handle: AppHandle<R>,
+    query: Option<String>,
+    extension_type: Option<ExtensionType>,
+    list_enabled: bool,
+) -> Result<(bool, Vec<Extension>), String> {
+    log::trace!("loading extensions");
+
+    let third_party_dir = third_party::get_third_party_extension_directory(&tauri_app_handle);
+    if !third_party_dir.try_exists().map_err(|e| e.to_string())? {
+        tokio::fs::create_dir_all(&third_party_dir)
+            .await
+            .map_err(|e| e.to_string())?;
+    }
+    let (third_party_found_invalid_extension, mut third_party_extensions) =
+        third_party::list_third_party_extensions(&third_party_dir).await?;
+
+    let built_in_extensions = built_in::list_built_in_extensions(&tauri_app_handle).await?;
+
+    let found_invalid_extension = third_party_found_invalid_extension;
+    let mut extensions = {
+        third_party_extensions.extend(built_in_extensions);
+
+        third_party_extensions
+    };
+
+    filter_out_extensions(
+        &mut extensions,
+        query.as_deref(),
+        extension_type,
+        list_enabled,
+    );
+
+    // Cleanup after filtering extensions, don't do it if filter is not performed.
+    //
+    // Remove parent extensions (Group/Extension types) that have no sub-items after filtering
+    let filter_performed = query.is_some() || extension_type.is_some() || list_enabled;
+    if filter_performed {
+        extensions.retain(|ext| {
+            if !ext.r#type.contains_sub_items() {
+                return true;
+            }
+
+            // We don't do this filter to applications since it is always empty, load at runtime.
+            if ext.developer.is_none()
+                && ext.id == built_in::application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME
+            {
+                return true;
+            }
+
+            let has_commands = ext
+                .commands
+                .as_ref()
+                .map_or(false, |commands| !commands.is_empty());
+            let has_scripts = ext
+                .scripts
+                .as_ref()
+                .map_or(false, |scripts| !scripts.is_empty());
+            let has_quicklinks = ext
+                .quicklinks
+                .as_ref()
+                .map_or(false, |quicklinks| !quicklinks.is_empty());
+
+            has_commands || has_scripts || has_quicklinks
+        });
+    }
+
+    Ok((found_invalid_extension, extensions))
+}
+
+pub(crate) async fn init_extensions(
+    tauri_app_handle: AppHandle,
+    mut extensions: Vec<Extension>,
+) -> Result<(), String> {
+    log::trace!("initializing extensions");
+
+    let search_source_registry_tauri_state = tauri_app_handle.state::<SearchSourceRegistry>();
+
+    built_in::application::ApplicationSearchSource::prepare_index_and_store(
+        tauri_app_handle.clone(),
+    )
+    .await?;
+
+    // extension store
+    search_source_registry_tauri_state
+        .register_source(third_party::store::ExtensionStore)
+        .await;
+
+    // Init the built-in enabled extensions
+    for built_in_extension in extensions
+        .extract_if(.., |ext| {
+            built_in::is_extension_built_in(&ext.bundle_id_borrowed())
+        })
+        .filter(|ext| ext.enabled)
+    {
+        built_in::init_built_in_extension(
+            &tauri_app_handle,
+            &built_in_extension,
+            &search_source_registry_tauri_state,
+        )
+        .await?;
+    }
+
+    // Now the third-party extensions
+    let third_party_search_source = third_party::ThirdPartyExtensionsSearchSource::new(extensions);
+    third_party_search_source.init(&tauri_app_handle).await?;
+    let third_party_search_source_clone = third_party_search_source.clone();
+    // Set the global search source so that we can access it in `#[tauri::command]`s
+    // ignore the result because this function will be invoked twice, which
+    // means this global variable will be set twice.
+    let _ = THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE.set(third_party_search_source_clone);
+    search_source_registry_tauri_state
+        .register_source(third_party_search_source)
+        .await;
+
+    Ok(())
+}
+
+#[tauri::command]
+pub(crate) async fn enable_extension(
+    tauri_app_handle: AppHandle,
+    bundle_id: ExtensionBundleId,
+) -> Result<(), String> {
+    let bundle_id_borrowed = bundle_id.borrow();
+
+    if built_in::is_extension_built_in(&bundle_id_borrowed) {
+        built_in::enable_built_in_extension(&tauri_app_handle, &bundle_id_borrowed).await?;
+        return Ok(());
+    }
+
+    third_party::THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE.get().expect("global third party search source not set, looks like init_extensions() has not been executed").enable_extension(&tauri_app_handle, &bundle_id_borrowed).await
+}
+
+#[tauri::command]
+pub(crate) async fn disable_extension(
+    tauri_app_handle: AppHandle,
+    bundle_id: ExtensionBundleId,
+) -> Result<(), String> {
+    let bundle_id_borrowed = bundle_id.borrow();
+
+    if built_in::is_extension_built_in(&bundle_id_borrowed) {
+        built_in::disable_built_in_extension(&tauri_app_handle, &bundle_id_borrowed).await?;
+        return Ok(());
+    }
+    third_party::THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE.get().expect("global third party search source not set, looks like init_extensions() has not been executed").disable_extension(&tauri_app_handle, &bundle_id_borrowed).await
+}
+
+#[tauri::command]
+pub(crate) async fn set_extension_alias(
+    tauri_app_handle: AppHandle,
+    bundle_id: ExtensionBundleId,
+    alias: String,
+) -> Result<(), String> {
+    let bundle_id_borrowed = bundle_id.borrow();
+
+    if built_in::is_extension_built_in(&bundle_id_borrowed) {
+        built_in::set_built_in_extension_alias(&tauri_app_handle, &bundle_id_borrowed, &alias);
+        return Ok(());
+    }
+    third_party::THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE.get().expect("global third party search source not set, looks like init_extensions() has not been executed").set_extension_alias(&tauri_app_handle, &bundle_id_borrowed, &alias).await
+}
+
+#[tauri::command]
+pub(crate) async fn register_extension_hotkey(
+    tauri_app_handle: AppHandle,
+    bundle_id: ExtensionBundleId,
+    hotkey: String,
+) -> Result<(), String> {
+    let bundle_id_borrowed = bundle_id.borrow();
+
+    if built_in::is_extension_built_in(&bundle_id_borrowed) {
+        built_in::register_built_in_extension_hotkey(
+            &tauri_app_handle,
+            &bundle_id_borrowed,
+            &hotkey,
+        )?;
+        return Ok(());
+    }
+    third_party::THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE.get().expect("global third party search source not set, looks like init_extensions() has not been executed").register_extension_hotkey(&tauri_app_handle, &bundle_id_borrowed, &hotkey).await
+}
+
+/// NOTE: this function won't error out if the extension specified by `extension_id`
+/// has no hotkey set because we need it to behave like this.
+#[tauri::command]
+pub(crate) async fn unregister_extension_hotkey(
+    tauri_app_handle: AppHandle,
+    bundle_id: ExtensionBundleId,
+) -> Result<(), String> {
+    let bundle_id_borrowed = bundle_id.borrow();
+
+    if built_in::is_extension_built_in(&bundle_id_borrowed) {
+        built_in::unregister_built_in_extension_hotkey(&tauri_app_handle, &bundle_id_borrowed)?;
+        return Ok(());
+    }
+    third_party::THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE.get().expect("global third party search source not set, looks like init_extensions() has not been executed").unregister_extension_hotkey(&tauri_app_handle, &bundle_id_borrowed).await?;
+
+    Ok(())
+}
+
+#[tauri::command]
+pub(crate) async fn is_extension_enabled(
+    tauri_app_handle: AppHandle,
+    bundle_id: ExtensionBundleId,
+) -> Result<bool, String> {
+    let bundle_id_borrowed = bundle_id.borrow();
+
+    if built_in::is_extension_built_in(&bundle_id_borrowed) {
+        return built_in::is_built_in_extension_enabled(&tauri_app_handle, &bundle_id_borrowed)
+            .await;
+    }
+    third_party::THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE.get().expect("global third party search source not set, looks like init_extensions() has not been executed").is_extension_enabled(&bundle_id_borrowed).await
+}
+
+pub(crate) fn canonicalize_relative_icon_path(
+    extension_dir: &Path,
+    extension: &mut Extension,
+) -> Result<(), String> {
+    fn _canonicalize_relative_icon_path(
+        extension_dir: &Path,
+        extension: &mut Extension,
+    ) -> Result<(), String> {
+        let icon_str = &extension.icon;
+        let icon_path = Path::new(icon_str);
+
+        if icon_path.is_relative() {
+            let absolute_icon_path = {
+                let mut assets_directory = extension_dir.join(ASSETS_DIRECTORY_FILE_NAME);
+                assets_directory.push(icon_path);
+
+                assets_directory
+            };
+
+            if absolute_icon_path.try_exists().map_err(|e| e.to_string())? {
+                extension.icon = absolute_icon_path
+                    .into_os_string()
+                    .into_string()
+                    .expect("path should be UTF-8 encoded");
+            }
+        }
+
+        Ok(())
+    }
+
+    _canonicalize_relative_icon_path(extension_dir, extension)?;
+
+    if let Some(commands) = &mut extension.commands {
+        for command in commands {
+            _canonicalize_relative_icon_path(extension_dir, command)?;
+        }
+    }
+
+    if let Some(scripts) = &mut extension.scripts {
+        for script in scripts {
+            _canonicalize_relative_icon_path(extension_dir, script)?;
+        }
+    }
+
+    if let Some(quicklinks) = &mut extension.quicklinks {
+        for quicklink in quicklinks {
+            _canonicalize_relative_icon_path(extension_dir, quicklink)?;
+        }
+    }
+
+    Ok(())
+}
+
+fn alter_extension_json_file(
+    extension_directory: &Path,
+    bundle_id: &ExtensionBundleIdBorrowed<'_>,
+    how: impl Fn(&mut Extension) -> Result<(), String>,
+) -> Result<(), String> {
+    /// Perform `how` against the extension specified by `extension_id`.
+    ///
+    /// Please note that `bundle` could point to a sub extension if `sub_extension_id` is Some.
+    pub(crate) fn modify(
+        root_extension: &mut Extension,
+        bundle_id: &ExtensionBundleIdBorrowed<'_>,
+        how: impl FnOnce(&mut Extension) -> Result<(), String>,
+    ) -> Result<(), String> {
+        let (parent_extension_id, opt_sub_extension_id) =
+            (bundle_id.extension_id, bundle_id.sub_extension_id);
+        assert_eq!(
+            parent_extension_id, root_extension.id,
+            "modify() should be invoked against a parent extension"
+        );
+
+        let Some(sub_extension_id) = opt_sub_extension_id else {
+            how(root_extension)?;
+            return Ok(());
+        };
+
+        // Search in commands
+        if let Some(ref mut commands) = root_extension.commands {
+            if let Some(command) = commands.iter_mut().find(|cmd| cmd.id == sub_extension_id) {
+                how(command)?;
+                return Ok(());
+            }
+        }
+
+        // Search in scripts
+        if let Some(ref mut scripts) = root_extension.scripts {
+            if let Some(script) = scripts.iter_mut().find(|scr| scr.id == sub_extension_id) {
+                how(script)?;
+                return Ok(());
+            }
+        }
+
+        // Search in quicklinks
+        if let Some(ref mut quicklinks) = root_extension.quicklinks {
+            if let Some(link) = quicklinks.iter_mut().find(|lnk| lnk.id == sub_extension_id) {
+                how(link)?;
+                return Ok(());
+            }
+        }
+
+        Err(format!(
+            "extension [{:?}] not found in {:?}",
+            bundle_id, root_extension
+        ))
+    }
+
+    log::debug!(
+        "altering extension JSON file for extension [{:?}]",
+        bundle_id
+    );
+
+    let json_file_path = {
+        let mut path = extension_directory.to_path_buf();
+
+        if let Some(developer) = bundle_id.developer {
+            path.push(developer);
+        }
+        path.push(bundle_id.extension_id);
+        path.push(PLUGIN_JSON_FILE_NAME);
+
+        path
+    };
+
+    let mut extension = serde_json::from_reader::<_, Extension>(
+        std::fs::File::open(&json_file_path)
+            .with_context(|| {
+                format!(
+                    "the [{}] file for extension [{:?}] is missing or broken",
+                    PLUGIN_JSON_FILE_NAME, bundle_id
+                )
+            })
+            .map_err(|e| e.to_string())?,
+    )
+    .map_err(|e| e.to_string())?;
+
+    modify(&mut extension, bundle_id, how)?;
+
+    std::fs::write(
+        &json_file_path,
+        serde_json::to_string_pretty(&extension).map_err(|e| e.to_string())?,
+    )
+    .map_err(|e| e.to_string())?;
+
+    Ok(())
+}

src-tauri/src/extension/third_party/store.rs

@@ -0,0 +1,341 @@
+//! Extension store related stuff.
+
+use super::LOCAL_QUERY_SOURCE_TYPE;
+use crate::common::document::DataSourceReference;
+use crate::common::document::Document;
+use crate::common::error::SearchError;
+use crate::common::search::QueryResponse;
+use crate::common::search::QuerySource;
+use crate::common::search::SearchQuery;
+use crate::common::traits::SearchSource;
+use crate::extension::Extension;
+use crate::extension::PLUGIN_JSON_FILE_NAME;
+use crate::extension::THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE;
+use crate::extension::canonicalize_relative_icon_path;
+use crate::extension::third_party::get_third_party_extension_directory;
+use crate::server::http_client::HttpClient;
+use async_trait::async_trait;
+use reqwest::StatusCode;
+use serde_json::Map as JsonObject;
+use serde_json::Value as Json;
+use std::io::Read;
+use tauri::AppHandle;
+
+const DATA_SOURCE_ID: &str = "Extension Store";
+
+pub(crate) struct ExtensionStore;
+
+#[async_trait]
+impl SearchSource for ExtensionStore {
+    fn get_type(&self) -> QuerySource {
+        QuerySource {
+            r#type: LOCAL_QUERY_SOURCE_TYPE.into(),
+            name: hostname::get()
+                .unwrap_or(DATA_SOURCE_ID.into())
+                .to_string_lossy()
+                .into(),
+            id: DATA_SOURCE_ID.into(),
+        }
+    }
+
+    async fn search(
+        &self,
+        _tauri_app_handle: AppHandle,
+        query: SearchQuery,
+    ) -> Result<QueryResponse, SearchError> {
+        const SCORE: f64 = 2000.0;
+
+        let Some(query_string) = query.query_strings.get("query") else {
+            return Ok(QueryResponse {
+                source: self.get_type(),
+                hits: Vec::new(),
+                total_hits: 0,
+            });
+        };
+
+        let lowercase_query_string = query_string.to_lowercase();
+        let expected_str = "extension store";
+
+        if expected_str.contains(&lowercase_query_string) {
+            let doc = Document {
+                id: DATA_SOURCE_ID.to_string(),
+                category: Some(DATA_SOURCE_ID.to_string()),
+                title: Some(DATA_SOURCE_ID.to_string()),
+                icon: Some("font_Store".to_string()),
+                source: Some(DataSourceReference {
+                    r#type: Some(LOCAL_QUERY_SOURCE_TYPE.into()),
+                    name: Some(DATA_SOURCE_ID.into()),
+                    id: Some(DATA_SOURCE_ID.into()),
+                    icon: Some("font_Store".to_string()),
+                }),
+                ..Default::default()
+            };
+
+            Ok(QueryResponse {
+                source: self.get_type(),
+                hits: vec![(doc, SCORE)],
+                total_hits: 1,
+            })
+        } else {
+            Ok(QueryResponse {
+                source: self.get_type(),
+                hits: Vec::new(),
+                total_hits: 0,
+            })
+        }
+    }
+}
+
+#[tauri::command]
+pub(crate) async fn search_extension(
+    query_params: Option<Vec<String>>,
+) -> Result<Vec<Json>, String> {
+    let response = HttpClient::get(
+        "default_coco_server",
+        "store/extension/_search",
+        query_params,
+    )
+    .await
+    .map_err(|e| format!("Failed to send request: {:?}", e))?;
+
+    // The response of a ES style search request
+    let mut response: JsonObject<String, Json> = response
+        .json()
+        .await
+        .map_err(|e| format!("Failed to parse response: {:?}", e))?;
+
+    let hits_json = response
+        .remove("hits")
+        .expect("the JSON response should contain field [hits]");
+    let mut hits = match hits_json {
+        Json::Object(obj) => obj,
+        _ => panic!(
+            "field [hits] should be a JSON object, but it is not, value: [{}]",
+            hits_json
+        ),
+    };
+
+    let Some(hits_hits_json) = hits.remove("hits") else {
+        return Ok(Vec::new());
+    };
+
+    let hits_hits = match hits_hits_json {
+        Json::Array(arr) => arr,
+        _ => panic!(
+            "field [hits.hits] should be an array, but it is not, value: [{}]",
+            hits_hits_json
+        ),
+    };
+
+    let mut extensions = Vec::with_capacity(hits_hits.len());
+    for hit in hits_hits {
+        let mut hit_obj = match hit {
+            Json::Object(obj) => obj,
+            _ => panic!(
+                "each hit in [hits.hits] should be a JSON object, but it is not, value: [{}]",
+                hit
+            ),
+        };
+        let source = hit_obj
+            .remove("_source")
+            .expect("each hit should contain field [_source]");
+
+        let mut source_obj = match source {
+            Json::Object(obj) => obj,
+            _ => panic!(
+                "field [_source] should be a JSON object, but it is not, value: [{}]",
+                source
+            ),
+        };
+
+        let developer_id = source_obj
+            .get("developer")
+            .and_then(|dev| dev.get("id"))
+            .and_then(|id| id.as_str())
+            .expect("developer.id should exist")
+            .to_string();
+
+        let extension_id = source_obj
+            .get("id")
+            .and_then(|id| id.as_str())
+            .expect("extension id should exist")
+            .to_string();
+
+        let installed = is_extension_installed(developer_id, extension_id).await;
+        source_obj.insert("installed".to_string(), Json::Bool(installed));
+
+        extensions.push(Json::Object(source_obj));
+    }
+
+    Ok(extensions)
+}
+
+async fn is_extension_installed(developer: String, extension_id: String) -> bool {
+    THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE
+        .get()
+        .unwrap()
+        .extension_exists(&developer, &extension_id)
+        .await
+}
+
+#[tauri::command]
+pub(crate) async fn install_extension_from_store(
+    tauri_app_handle: AppHandle,
+    id: String,
+) -> Result<(), String> {
+    let path = format!("store/extension/{}/_download", id);
+    let response = HttpClient::get("default_coco_server", &path, None)
+        .await
+        .map_err(|e| format!("Failed to download extension: {}", e))?;
+
+    if response.status() == StatusCode::NOT_FOUND {
+        return Err(format!("extension [{}] not found", id));
+    }
+
+    let bytes = response
+        .bytes()
+        .await
+        .map_err(|e| format!("Failed to read response bytes: {}", e))?;
+
+    let cursor = std::io::Cursor::new(bytes);
+    let mut archive =
+        zip::ZipArchive::new(cursor).map_err(|e| format!("Failed to read zip archive: {}", e))?;
+
+    // The plugin.json sent from the server does not conform to our `struct Extension` definition:
+    //
+    // 1. Its `developer` field is a JSON object, but we need a string
+    // 2. sub-extensions won't have their `id` fields set
+    //
+    // we need to correct it
+    let mut plugin_json = archive
+        .by_name(PLUGIN_JSON_FILE_NAME)
+        .map_err(|e| e.to_string())?;
+    let mut plugin_json_content = String::new();
+    std::io::Read::read_to_string(&mut plugin_json, &mut plugin_json_content)
+        .map_err(|e| e.to_string())?;
+    let mut extension: Json = serde_json::from_str(&plugin_json_content)
+        .map_err(|e| format!("Failed to parse plugin.json: {}", e))?;
+
+    let mut_ref_to_developer_object: &mut Json = extension
+        .as_object_mut()
+        .expect("plugin.json should be an object")
+        .get_mut("developer")
+        .expect("plugin.json should contain field [developer]");
+    let developer_id = mut_ref_to_developer_object
+        .get("id")
+        .expect("plugin.json should contain [developer.id]")
+        .as_str()
+        .expect("plugin.json field [developer.id] should be a string");
+    *mut_ref_to_developer_object = Json::String(developer_id.into());
+
+    // Set IDs for sub-extensions (commands, quicklinks, scripts)
+    let mut counter = 0;
+    // Helper function to set IDs for array fields
+    fn set_ids_for_field(extension: &mut Json, field_name: &str, counter: &mut i32) {
+        if let Some(field) = extension.as_object_mut().unwrap().get_mut(field_name) {
+            if let Some(array) = field.as_array_mut() {
+                for item in array {
+                    if let Some(item_obj) = item.as_object_mut() {
+                        if !item_obj.contains_key("id") {
+                            item_obj.insert("id".to_string(), Json::String(counter.to_string()));
+                            *counter += 1;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    set_ids_for_field(&mut extension, "commands", &mut counter);
+    set_ids_for_field(&mut extension, "quicklinks", &mut counter);
+    set_ids_for_field(&mut extension, "scripts", &mut counter);
+
+    // Now the extension JSON is valid
+    let mut extension: Extension = serde_json::from_value(extension).unwrap_or_else(|e| {
+        panic!(
+            "cannot parse plugin.json as struct Extension, error [{:?}]",
+            e
+        );
+    });
+
+    drop(plugin_json);
+
+    // Write extension files to the extension directory
+    let developer = extension.developer.clone().unwrap_or_default();
+    let extension_id = extension.id.clone();
+    let extension_directory = {
+        let mut path = get_third_party_extension_directory(&tauri_app_handle);
+        path.push(developer);
+        path.push(extension_id.as_str());
+        path
+    };
+    tokio::fs::create_dir_all(extension_directory.as_path())
+        .await
+        .map_err(|e| e.to_string())?;
+
+    // Extract all files except plugin.json
+    for i in 0..archive.len() {
+        let mut zip_file = archive.by_index(i).map_err(|e| e.to_string())?;
+        // `.name()` is safe to use in our cases, the cases listed in the below
+        // page won't happen to us.
+        //
+        // https://docs.rs/zip/4.2.0/zip/read/struct.ZipFile.html#method.name
+        //
+        // Example names:
+        //
+        // * `assets/icon.png`
+        // * `assets/screenshot.png`
+        // * `plugin.json`
+        //
+        // Yes, the `assets` directory is not a part of it.
+        let zip_file_name = zip_file.name();
+
+        // Skip the plugin.json file as we'll create it from the extension variable
+        if zip_file_name == PLUGIN_JSON_FILE_NAME {
+            continue;
+        }
+
+        let dest_file_path = extension_directory.join(zip_file_name);
+
+        // For cases like `assets/xxx.png`
+        if let Some(parent_dir) = dest_file_path.parent()
+            && !parent_dir.exists()
+        {
+            tokio::fs::create_dir_all(parent_dir)
+                .await
+                .map_err(|e| e.to_string())?;
+        }
+
+        let mut dest_file = tokio::fs::File::create(&dest_file_path)
+            .await
+            .map_err(|e| e.to_string())?;
+        let mut src_bytes = Vec::with_capacity(
+            zip_file
+                .size()
+                .try_into()
+                .expect("we won't have a extension file that is bigger than 4GiB"),
+        );
+        zip_file
+            .read_to_end(&mut src_bytes)
+            .map_err(|e| e.to_string())?;
+        tokio::io::copy(&mut src_bytes.as_slice(), &mut dest_file)
+            .await
+            .map_err(|e| e.to_string())?;
+    }
+    // Create plugin.json from the extension variable
+    let plugin_json_path = extension_directory.join(PLUGIN_JSON_FILE_NAME);
+    let extension_json = serde_json::to_string_pretty(&extension).map_err(|e| e.to_string())?;
+    tokio::fs::write(&plugin_json_path, extension_json)
+        .await
+        .map_err(|e| e.to_string())?;
+
+    // Turn it into an absolute path if it is a valid relative path because frontend code need this.
+    canonicalize_relative_icon_path(&extension_directory, &mut extension)?;
+
+    THIRD_PARTY_EXTENSIONS_SEARCH_SOURCE
+        .get()
+        .unwrap()
+        .add_extension(extension)
+        .await;
+
+    Ok(())
+}

src-tauri/src/lib.rs

@@ -1,7 +1,7 @@
 mod assistant;
 mod autostart;
 mod common;
-mod local;
+mod extension;
 mod search;
 mod server;
 mod settings;
@@ -11,19 +11,15 @@ mod util;
 
 use crate::common::register::SearchSourceRegistry;
 // use crate::common::traits::SearchSource;
-use crate::common::{MAIN_WINDOW_LABEL, SETTINGS_WINDOW_LABEL};
+use crate::common::{CHECK_WINDOW_LABEL, MAIN_WINDOW_LABEL, SETTINGS_WINDOW_LABEL};
 use crate::server::servers::{load_or_insert_default_server, load_servers_token};
-use autostart::{change_autostart, enable_autostart};
+use autostart::{change_autostart, ensure_autostart_state_consistent};
 use lazy_static::lazy_static;
 use std::sync::Mutex;
 use std::sync::OnceLock;
 use tauri::async_runtime::block_on;
 use tauri::plugin::TauriPlugin;
-#[cfg(target_os = "macos")]
+use tauri::{AppHandle, Emitter, Manager, PhysicalPosition, Runtime, WebviewWindow, WindowEvent};
-use tauri::ActivationPolicy;
-use tauri::{
-    AppHandle, Emitter, Manager, PhysicalPosition, Runtime, WebviewWindow, Window, WindowEvent,
-};
 use tauri_plugin_autostart::MacosLauncher;
 
 /// Tauri store name
@@ -32,9 +28,14 @@ pub(crate) const COCO_TAURI_STORE: &str = "coco_tauri_store";
 lazy_static! {
     static ref PREVIOUS_MONITOR_NAME: Mutex<Option<String>> = Mutex::new(None);
 }
-
 /// To allow us to access tauri's `AppHandle` when its context is inaccessible,
 /// store it globally. It will be set in `init()`.
+///
+/// # WARNING
+///
+/// You may find this work, but the usage is discouraged and should be generally
+/// avoided. If you do need it, always be careful that it may not be set() when
+/// you access it.
 pub(crate) static GLOBAL_TAURI_APP_HANDLE: OnceLock<AppHandle> = OnceLock::new();
 
 #[tauri::command]
@@ -64,11 +65,13 @@ pub fn run() {
     let ctx = tauri::generate_context!();
 
     let mut app_builder = tauri::Builder::default();
+    // Set up logger first
+    app_builder = app_builder.plugin(set_up_tauri_logger());
 
     #[cfg(desktop)]
     {
         app_builder = app_builder.plugin(tauri_plugin_single_instance::init(|_app, argv, _cwd| {
-            println!("a new app instance was opened with {argv:?} and the deep link event was already triggered");
+            log::debug!("a new app instance was opened with {argv:?} and the deep link event was already triggered");
             // when defining deep link schemes at runtime, you must also check `argv` here
         }));
     }
@@ -77,7 +80,7 @@ pub fn run() {
         .plugin(tauri_plugin_http::init())
         .plugin(tauri_plugin_shell::init())
         .plugin(tauri_plugin_autostart::init(
-            MacosLauncher::AppleScript,
+            MacosLauncher::LaunchAgent,
             None,
         ))
         .plugin(tauri_plugin_deep_link::init())
@@ -87,9 +90,13 @@ pub fn run() {
         .plugin(tauri_plugin_macos_permissions::init())
         .plugin(tauri_plugin_screenshots::init())
         .plugin(tauri_plugin_process::init())
-        .plugin(tauri_plugin_updater::Builder::new().build())
+        .plugin(
+            tauri_plugin_updater::Builder::new()
+                .default_version_comparator(crate::util::updater::custom_version_comparator)
+                .build(),
+        )
         .plugin(tauri_plugin_windows_version::init())
-        .plugin(set_up_tauri_logger());
+        .plugin(tauri_plugin_opener::init());
 
     // Conditional compilation for macOS
     #[cfg(target_os = "macos")]
@@ -107,7 +114,8 @@ pub fn run() {
             show_coco,
             hide_coco,
             show_settings,
-            server::servers::get_server_token,
+            show_check,
+            hide_check,
             server::servers::add_coco_server,
             server::servers::remove_coco_server,
             server::servers::list_coco_servers,
@@ -123,7 +131,9 @@ pub fn run() {
             search::query_coco_fusion,
             assistant::chat_history,
             assistant::new_chat,
+            assistant::chat_create,
             assistant::send_message,
+            assistant::chat_chat,
             assistant::session_chat_history,
             assistant::open_session_chat,
             assistant::close_session_chat,
@@ -131,6 +141,8 @@ pub fn run() {
             assistant::delete_session_chat,
             assistant::update_session_chat,
             assistant::assistant_search,
+            assistant::assistant_get,
+            assistant::assistant_get_multi,
             // server::get_coco_server_datasources,
             // server::get_coco_server_connectors,
             server::websocket::connect_to_server,
@@ -140,51 +152,87 @@ pub fn run() {
             server::attachment::get_attachment,
             server::attachment::delete_attachment,
             server::transcription::transcription,
-            util::open,
             server::system_settings::get_system_settings,
-            simulate_mouse_click,
+            extension::built_in::application::get_app_list,
-            local::get_disabled_local_query_sources,
+            extension::built_in::application::get_app_search_path,
-            local::enable_local_query_source,
+            extension::built_in::application::get_app_metadata,
-            local::disable_local_query_source,
+            extension::built_in::application::add_app_search_path,
-            local::application::get_app_list,
+            extension::built_in::application::remove_app_search_path,
-            local::application::get_app_search_path,
+            extension::built_in::application::reindex_applications,
-            local::application::get_app_metadata,
+            extension::list_extensions,
-            local::application::set_app_alias,
+            extension::enable_extension,
-            local::application::register_app_hotkey,
+            extension::disable_extension,
-            local::application::unregister_app_hotkey,
+            extension::set_extension_alias,
-            local::application::disable_app_search,
+            extension::register_extension_hotkey,
-            local::application::enable_app_search,
+            extension::unregister_extension_hotkey,
-            local::application::add_app_search_path,
+            extension::is_extension_enabled,
-            local::application::remove_app_search_path,
+            extension::third_party::store::search_extension,
+            extension::third_party::store::install_extension_from_store,
+            extension::third_party::uninstall_extension,
             settings::set_allow_self_signature,
             settings::get_allow_self_signature,
+            assistant::ask_ai,
+            crate::common::document::open,
+            #[cfg(any(target_os = "macos", target_os = "windows"))]
+            extension::built_in::file_search::config::get_file_system_config,
+            #[cfg(any(target_os = "macos", target_os = "windows"))]
+            extension::built_in::file_search::config::set_file_system_config,
+            server::synthesize::synthesize,
+            util::file::get_file_icon,
+            util::app_lang::update_app_lang,
+            #[cfg(target_os = "macos")]
+            setup::toggle_move_to_active_space_attribute,
         ])
         .setup(|app| {
             let app_handle = app.handle().clone();
             GLOBAL_TAURI_APP_HANDLE
                 .set(app_handle.clone())
-                .expect("variable already initialized");
+                .expect("global tauri AppHandle already initialized");
+            log::trace!("global Tauri AppHandle set");
+
+            #[cfg(target_os = "macos")]
+            {
+                log::trace!("hiding Dock icon on macOS");
+                app.set_activation_policy(tauri::ActivationPolicy::Accessory);
+                log::trace!("Dock icon should be hidden now");
+            }
 
             let registry = SearchSourceRegistry::default();
 
             app.manage(registry); // Store registry in Tauri's app state
             app.manage(server::websocket::WebSocketManager::default());
 
-            block_on(async {
+            // This has to be called before initializing extensions as doing that
-                init(app.handle()).await;
+            // requires access to the shortcut store, which will be set by this
-            });
+            // function.
-
             shortcut::enable_shortcut(app);
 
-            enable_autostart(app);
+            block_on(async {
+                init(app.handle()).await;
 
-            #[cfg(target_os = "macos")]
+                // We want all the extensions here, so no filter condition specified.
-            app.set_activation_policy(ActivationPolicy::Accessory);
+                match extension::list_extensions(app_handle.clone(), None, None, false).await {
+                    Ok((_found_invalid_extensions, extensions)) => {
+                        // Initializing extension relies on SearchSourceRegistry, so this should
+                        // be executed after `app.manage(registry)`
+                        if let Err(e) =
+                            extension::init_extensions(app_handle.clone(), extensions).await
+                        {
+                            log::error!("initializing extensions failed with error [{}]", e);
+                        }
+                    }
+                    Err(e) => {
+                        log::error!("listing extensions failed with error [{}]", e);
+                    }
+                }
+            });
+
+            ensure_autostart_state_consistent(app)?;
 
             // app.listen("theme-changed", move |event| {
             //     if let Ok(payload) = serde_json::from_str::<ThemeChangedPayload>(event.payload()) {
             //         // switch_tray_icon(app.app_handle(), payload.is_dark_mode);
-            //         println!("Theme changed: is_dark_mode = {}", payload.is_dark_mode);
+            //         log::debug!("Theme changed: is_dark_mode = {}", payload.is_dark_mode);
             //     }
             // });
 
@@ -204,13 +252,19 @@ pub fn run() {
 
             let main_window = app.get_webview_window(MAIN_WINDOW_LABEL).unwrap();
             let settings_window = app.get_webview_window(SETTINGS_WINDOW_LABEL).unwrap();
-            setup::default(app, main_window.clone(), settings_window.clone());
+            let check_window = app.get_webview_window(CHECK_WINDOW_LABEL).unwrap();
+            setup::default(
+                app,
+                main_window.clone(),
+                settings_window.clone(),
+                check_window.clone(),
+            );
 
             Ok(())
         })
         .on_window_event(|window, event| match event {
             WindowEvent::CloseRequested { api, .. } => {
-                dbg!("Close requested event received");
+                //dbg!("Close requested event received");
                 window.hide().unwrap();
                 api.prevent_close();
             }
@@ -225,10 +279,10 @@ pub fn run() {
             has_visible_windows,
             ..
         } => {
-            dbg!(
+            // dbg!(
-                "Reopen event received: has_visible_windows = {}",
+            //     "Reopen event received: has_visible_windows = {}",
-                has_visible_windows
+            //     has_visible_windows
-            );
+            // );
             if has_visible_windows {
                 return;
             }
@@ -242,14 +296,14 @@ pub fn run() {
 pub async fn init<R: Runtime>(app_handle: &AppHandle<R>) {
     // Await the async functions to load the servers and tokens
     if let Err(err) = load_or_insert_default_server(app_handle).await {
-        eprintln!("Failed to load servers: {}", err);
+        log::error!("Failed to load servers: {}", err);
     }
 
     if let Err(err) = load_servers_token(app_handle).await {
-        eprintln!("Failed to load server tokens: {}", err);
+        log::error!("Failed to load server tokens: {}", err);
     }
 
-    let coco_servers = server::servers::get_all_servers();
+    let coco_servers = server::servers::get_all_servers().await;
 
     // Get the registry from Tauri's state
     // let registry: State<SearchSourceRegistry> = app_handle.state::<SearchSourceRegistry>();
@@ -259,12 +313,12 @@ pub async fn init<R: Runtime>(app_handle: &AppHandle<R>) {
             .await;
     }
 
-    local::start_pizza_engine_runtime();
+    extension::built_in::pizza_engine_runtime::start_pizza_engine_runtime().await;
 }
 
 #[tauri::command]
 async fn show_coco<R: Runtime>(app_handle: AppHandle<R>) {
-    if let Some(window) = app_handle.get_window(MAIN_WINDOW_LABEL) {
+    if let Some(window) = app_handle.get_webview_window(MAIN_WINDOW_LABEL) {
         move_window_to_active_monitor(&window);
 
         let _ = window.show();
@@ -277,24 +331,24 @@ async fn show_coco<R: Runtime>(app_handle: AppHandle<R>) {
 
 #[tauri::command]
 async fn hide_coco<R: Runtime>(app: AppHandle<R>) {
-    if let Some(window) = app.get_window(MAIN_WINDOW_LABEL) {
+    if let Some(window) = app.get_webview_window(MAIN_WINDOW_LABEL) {
         if let Err(err) = window.hide() {
-            eprintln!("Failed to hide the window: {}", err);
+            log::error!("Failed to hide the window: {}", err);
         } else {
-            println!("Window successfully hidden.");
+            log::debug!("Window successfully hidden.");
         }
     } else {
-        eprintln!("Main window not found.");
+        log::error!("Main window not found.");
     }
 }
 
-fn move_window_to_active_monitor<R: Runtime>(window: &Window<R>) {
+fn move_window_to_active_monitor<R: Runtime>(window: &WebviewWindow<R>) {
-    dbg!("Moving window to active monitor");
+    //dbg!("Moving window to active monitor");
     // Try to get the available monitors, handle failure gracefully
     let available_monitors = match window.available_monitors() {
         Ok(monitors) => monitors,
         Err(e) => {
-            eprintln!("Failed to get monitors: {}", e);
+            log::error!("Failed to get monitors: {}", e);
             return;
         }
     };
@@ -303,7 +357,7 @@ fn move_window_to_active_monitor<R: Runtime>(window: &Window<R>) {
     let cursor_position = match window.cursor_position() {
         Ok(pos) => Some(pos),
         Err(e) => {
-            eprintln!("Failed to get cursor position: {}", e);
+            log::error!("Failed to get cursor position: {}", e);
             None
         }
     };
@@ -332,7 +386,7 @@ fn move_window_to_active_monitor<R: Runtime>(window: &Window<R>) {
     let monitor = match target_monitor.or_else(|| window.primary_monitor().ok().flatten()) {
         Some(monitor) => monitor,
         None => {
-            eprintln!("No monitor found!");
+            log::error!("No monitor found!");
             return;
         }
     };
@@ -342,7 +396,7 @@ fn move_window_to_active_monitor<R: Runtime>(window: &Window<R>) {
 
         if let Some(ref prev_name) = *previous_monitor_name {
             if name.to_string() == *prev_name {
-                println!("Currently on the same monitor");
+                log::debug!("Currently on the same monitor");
 
                 return;
             }
@@ -356,7 +410,7 @@ fn move_window_to_active_monitor<R: Runtime>(window: &Window<R>) {
     let window_size = match window.inner_size() {
         Ok(size) => size,
         Err(e) => {
-            eprintln!("Failed to get window size: {}", e);
+            log::error!("Failed to get window size: {}", e);
             return;
         }
     };
@@ -370,52 +424,19 @@ fn move_window_to_active_monitor<R: Runtime>(window: &Window<R>) {
 
     // Move the window to the new position
     if let Err(e) = window.set_position(PhysicalPosition::new(window_x, window_y)) {
-        eprintln!("Failed to move window: {}", e);
+        log::error!("Failed to move window: {}", e);
     }
 
     if let Some(name) = monitor.name() {
-        println!("Window moved to monitor: {}", name);
+        log::debug!("Window moved to monitor: {}", name);
 
         let mut previous_monitor = PREVIOUS_MONITOR_NAME.lock().unwrap();
         *previous_monitor = Some(name.to_string());
     }
 }
 
-#[allow(dead_code)]
-fn open_settings(app: &tauri::AppHandle) {
-    use tauri::webview::WebviewBuilder;
-    println!("settings menu item was clicked");
-    let window = app.get_webview_window("settings");
-    if let Some(window) = window {
-        let _ = window.show();
-        let _ = window.unminimize();
-        let _ = window.set_focus();
-    } else {
-        let window = tauri::window::WindowBuilder::new(app, "settings")
-            .title("Settings Window")
-            .fullscreen(false)
-            .resizable(false)
-            .minimizable(false)
-            .maximizable(false)
-            .inner_size(800.0, 600.0)
-            .build()
-            .unwrap();
-
-        let webview_builder =
-            WebviewBuilder::new("settings", tauri::WebviewUrl::App("/ui/settings".into()));
-        let _webview = window
-            .add_child(
-                webview_builder,
-                tauri::LogicalPosition::new(0, 0),
-                window.inner_size().unwrap(),
-            )
-            .unwrap();
-    }
-}
-
 #[tauri::command]
-async fn get_app_search_source<R: Runtime>(app_handle: AppHandle<R>) -> Result<(), String> {
+async fn get_app_search_source(app_handle: AppHandle) -> Result<(), String> {
-    local::init_local_search_source(&app_handle).await?;
     let _ = server::connector::refresh_all_connectors(&app_handle).await;
     let _ = server::datasource::refresh_all_datasources(&app_handle).await;
 
@@ -424,53 +445,36 @@ async fn get_app_search_source<R: Runtime>(app_handle: AppHandle<R>) -> Result<(
 
 #[tauri::command]
 async fn show_settings(app_handle: AppHandle) {
-    open_settings(&app_handle);
+    log::debug!("settings menu item was clicked");
+    let window = app_handle
+        .get_webview_window(SETTINGS_WINDOW_LABEL)
+        .expect("we have a settings window");
+
+    window.show().unwrap();
+    window.unminimize().unwrap();
+    window.set_focus().unwrap();
 }
 
 #[tauri::command]
-async fn simulate_mouse_click<R: Runtime>(window: WebviewWindow<R>, is_chat_mode: bool) {
+async fn show_check(app_handle: AppHandle) {
-    #[cfg(target_os = "windows")]
+    log::debug!("check menu item was clicked");
-    {
+    let window = app_handle
-        use enigo::{Button, Coordinate, Direction, Enigo, Mouse, Settings};
+        .get_webview_window(CHECK_WINDOW_LABEL)
-        use std::{thread, time::Duration};
+        .expect("we have a check window");
 
-        if let Ok(mut enigo) = Enigo::new(&Settings::default()) {
+    window.show().unwrap();
-            // Save the current mouse position
+    window.unminimize().unwrap();
-            if let Ok((original_x, original_y)) = enigo.location() {
+    window.set_focus().unwrap();
-                // Retrieve the window's outer position (top-left corner)
+}
-                if let Ok(position) = window.outer_position() {
-                    // Retrieve the window's inner size (client area)
-                    if let Ok(size) = window.inner_size() {
-                        // Calculate the center position of the title bar
-                        let x = position.x + (size.width as i32 / 2);
-                        let y = if is_chat_mode {
-                            position.y + size.height as i32 - 50
-                        } else {
-                            position.y + 30
-                        };
 
-                        // Move the mouse cursor to the calculated position
+#[tauri::command]
-                        if enigo.move_mouse(x, y, Coordinate::Abs).is_ok() {
+async fn hide_check(app_handle: AppHandle) {
-                            // // Simulate a left mouse click
+    log::debug!("check window was closed");
-                            let _ = enigo.button(Button::Left, Direction::Click);
+    let window = &app_handle
-                            // let _ = enigo.button(Button::Left, Direction::Release);
+        .get_webview_window(CHECK_WINDOW_LABEL)
+        .expect("we have a check window");
 
-                            thread::sleep(Duration::from_millis(100));
+    window.hide().unwrap();
-
-                            // Move the mouse cursor back to the original position
-                            let _ = enigo.move_mouse(original_x, original_y, Coordinate::Abs);
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    #[cfg(not(target_os = "windows"))]
-    {
-        let _ = window;
-        let _ = is_chat_mode;
-    }
 }
 
 /// Log format:
@@ -487,6 +491,12 @@ async fn simulate_mouse_click<R: Runtime>(window: WebviewWindow<R>, is_chat_mode
 /// ```
 fn set_up_tauri_logger() -> TauriPlugin<tauri::Wry> {
     use log::Level;
+    use log::LevelFilter;
+    use tauri_plugin_log::Builder;
+
+    /// Coco-AI app's default log level.
+    const DEFAULT_LOG_LEVEL: LevelFilter = LevelFilter::Info;
+    const LOG_LEVEL_ENV_VAR: &str = "COCO_LOG";
 
     fn format_log_level(level: Level) -> &'static str {
         match level {
@@ -508,16 +518,93 @@ fn set_up_tauri_logger() -> TauriPlugin<tauri::Wry> {
         str
     }
 
-    tauri_plugin_log::Builder::new()
+    /// Allow us to configure dynamic log levels via environment variable `COCO_LOG`.
-        .format(|out, message, record| {
+    ///
-            let now = chrono::Local::now().format("%m-%d %H:%M:%S");
+    /// Generally, it mirros the behavior of `env_logger`. Syntax: `COCO_LOG=[target][=][level][,...]`
-            let level = format_log_level(record.level());
+    ///
-            let target_and_line = format_target_and_line(record);
+    /// * If this environment variable is not set, use the default log level.
-            out.finish(format_args!(
+    /// * If it is set, respect it:
-                "[{}] [{}] [{}] {}",
+    ///
-                now, level, target_and_line, message
+    /// * `COCO_LOG=coco_lib` turns on all logging for the `coco_lib` module, which is
-            ));
+    ///   equivalent to `COCO_LOG=coco_lib=trace`
-        })
+    /// * `COCO_LOG=trace` turns on all logging for the application, regardless of its name
-        .level(log::LevelFilter::Debug)
+    /// * `COCO_LOG=TRACE` turns on all logging for the application, regardless of its name (same as previous)
-        .build()
+    /// * `COCO_LOG=reqwest=debug` turns on debug logging for `reqwest`
+    /// * `COCO_LOG=trace,tauri=off` turns on all the logging except for the logs come from `tauri`
+    /// * `COCO_LOG=off` turns off all logging for the application
+    /// * `COCO_LOG=` Since the value is empty, turns off all logging for the application as well
+    fn dynamic_log_level(mut builder: Builder) -> Builder {
+        let Some(log_levels) = std::env::var_os(LOG_LEVEL_ENV_VAR) else {
+            return builder.level(DEFAULT_LOG_LEVEL);
+        };
+
+        builder = builder.level(LevelFilter::Off);
+
+        let log_levels = log_levels.into_string().unwrap_or_else(|e| {
+            panic!(
+                "The value '{}' set in environment varaible '{}' is not UTF-8 encoded",
+                // Cannot use `.display()` here becuase that requires MSRV 1.87.0
+                e.to_string_lossy(),
+                LOG_LEVEL_ENV_VAR
+            )
+        });
+
+        // COCO_LOG=[target][=][level][,...]
+        let target_log_levels = log_levels.split(',');
+        for target_log_level in target_log_levels {
+            #[allow(clippy::collapsible_else_if)]
+            if let Some(char_index) = target_log_level.chars().position(|c| c == '=') {
+                let (target, equal_sign_and_level) = target_log_level.split_at(char_index);
+                // Remove the equal sign, we know it takes 1 byte
+                let level = &equal_sign_and_level[1..];
+
+                if let Ok(level) = level.parse::<LevelFilter>() {
+                    // Here we have to call `.to_string()` because `Cow<'static, str>` requires `&'static str`
+                    builder = builder.level_for(target.to_string(), level);
+                } else {
+                    panic!(
+                        "log level '{}' set in '{}={}' is invalid",
+                        level, target, level
+                    );
+                }
+            } else {
+                if let Ok(level) = target_log_level.parse::<LevelFilter>() {
+                    // This is a level
+                    builder = builder.level(level);
+                } else {
+                    // This is a target, enable all the logging
+                    //
+                    // Here we have to call `.to_string()` because `Cow<'static, str>` requires `&'static str`
+                    builder = builder.level_for(target_log_level.to_string(), LevelFilter::Trace);
+                }
+            }
+        }
+
+        builder
+    }
+
+    // When running the built binary, set `COCO_LOG` to `coco_lib=trace` to capture all logs
+    // that come from Coco in the log file, which helps with debugging.
+    if !tauri::is_dev() {
+        // We have absolutely no guarantee that we (We have control over the Rust
+        // code, but definitely no idea about the libc C code, all the shared objects
+        // that we will link) will not concurrently read/write `envp`, so just use unsafe.
+        unsafe {
+            std::env::set_var("COCO_LOG", "coco_lib=trace");
+        }
+    }
+
+    let mut builder = tauri_plugin_log::Builder::new();
+    builder = builder.format(|out, message, record| {
+        let now = chrono::Local::now().format("%m-%d %H:%M:%S");
+        let level = format_log_level(record.level());
+        let target_and_line = format_target_and_line(record);
+        out.finish(format_args!(
+            "[{}] [{}] [{}] {}",
+            now, level, target_and_line, message
+        ));
+    });
+    builder = dynamic_log_level(builder);
+
+    builder.build()
 }

src-tauri/src/local/mod.rs

@@ -1,164 +0,0 @@
-pub mod application;
-pub mod calculator;
-pub mod file_system;
-
-use std::any::Any;
-use std::collections::hash_map::Entry;
-use std::collections::HashMap;
-use std::sync::OnceLock;
-
-use crate::common::register::SearchSourceRegistry;
-use serde_json::Value as Json;
-use tauri::{AppHandle, Manager, Runtime};
-use tauri_plugin_store::StoreExt;
-
-pub const LOCAL_QUERY_SOURCE_TYPE: &str = "local";
-pub const TAURI_STORE_LOCAL_QUERY_SOURCE_ENABLED_STATE: &str = "local_query_source_enabled_state";
-
-trait SearchSourceState {
-    #[cfg_attr(not(feature = "use_pizza_engine"), allow(unused))]
-    fn as_mut_any(&mut self) -> &mut dyn Any;
-}
-
-#[async_trait::async_trait(?Send)]
-trait Task: Send + Sync {
-    fn search_source_id(&self) -> &'static str;
-
-    async fn exec(&mut self, state: &mut Option<Box<dyn SearchSourceState>>);
-}
-
-static RUNTIME_TX: OnceLock<tokio::sync::mpsc::UnboundedSender<Box<dyn Task>>> = OnceLock::new();
-
-pub(crate) fn start_pizza_engine_runtime() {
-    std::thread::spawn(|| {
-        let rt = tokio::runtime::Runtime::new().unwrap();
-
-        let main = async {
-            let mut states: HashMap<String, Option<Box<dyn SearchSourceState>>> = HashMap::new();
-
-            let (tx, mut rx) = tokio::sync::mpsc::unbounded_channel();
-            RUNTIME_TX.set(tx).unwrap();
-
-            while let Some(mut task) = rx.recv().await {
-                let opt_search_source_state = match states.entry(task.search_source_id().into()) {
-                    Entry::Occupied(o) => o.into_mut(),
-                    Entry::Vacant(v) => v.insert(None),
-                };
-                task.exec(opt_search_source_state).await;
-            }
-        };
-
-        rt.block_on(main);
-    });
-}
-
-pub(crate) async fn init_local_search_source<R: Runtime>(
-    app_handle: &AppHandle<R>,
-) -> Result<(), String> {
-    let enabled_status_store = app_handle
-        .store(TAURI_STORE_LOCAL_QUERY_SOURCE_ENABLED_STATE)
-        .map_err(|e| e.to_string())?;
-    if enabled_status_store.is_empty() {
-        enabled_status_store.set(
-            application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME,
-            Json::Bool(true),
-        );
-        enabled_status_store.set(calculator::DATA_SOURCE_ID, Json::Bool(true));
-    }
-    let registry = app_handle.state::<SearchSourceRegistry>();
-
-    application::ApplicationSearchSource::init(app_handle.clone()).await?;
-
-    for (id, enabled) in enabled_status_store.entries() {
-        let enabled = match enabled {
-            Json::Bool(b) => b,
-            _ => unreachable!("enabled state should be stored as a boolean"),
-        };
-
-        if enabled {
-            if id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME {
-                registry
-                    .register_source(application::ApplicationSearchSource)
-                    .await;
-            }
-
-            if id == calculator::DATA_SOURCE_ID {
-                let calculator_search = calculator::CalculatorSource::new(2000f64);
-                registry.register_source(calculator_search).await;
-            }
-        }
-    }
-
-    Ok(())
-}
-
-#[tauri::command]
-pub async fn get_disabled_local_query_sources<R: Runtime>(app_handle: AppHandle<R>) -> Vec<String> {
-    let enabled_status_store = app_handle
-        .store(TAURI_STORE_LOCAL_QUERY_SOURCE_ENABLED_STATE)
-        .unwrap_or_else(|e| {
-            panic!(
-                "tauri store [{}] should exist and be loaded, but that's not true due to error [{}]",
-                TAURI_STORE_LOCAL_QUERY_SOURCE_ENABLED_STATE, e
-            )
-        });
-    let mut disabled_local_query_sources = Vec::new();
-
-    for (id, enabled) in enabled_status_store.entries() {
-        let enabled = match enabled {
-            Json::Bool(b) => b,
-            _ => unreachable!("enabled state should be stored as a boolean"),
-        };
-
-        if !enabled {
-            disabled_local_query_sources.push(id);
-        }
-    }
-
-    disabled_local_query_sources
-}
-
-#[tauri::command]
-pub async fn enable_local_query_source<R: Runtime>(
-    app_handle: AppHandle<R>,
-    query_source_id: String,
-) {
-    let registry = app_handle.state::<SearchSourceRegistry>();
-    if query_source_id == application::QUERYSOURCE_ID_DATASOURCE_ID_DATASOURCE_NAME {
-        let application_search = application::ApplicationSearchSource;
-        registry.register_source(application_search).await;
-    }
-    if query_source_id == calculator::DATA_SOURCE_ID {
-        let calculator_search = calculator::CalculatorSource::new(2000f64);
-        registry.register_source(calculator_search).await;
-    }
-
-    let enabled_status_store = app_handle
-        .store(TAURI_STORE_LOCAL_QUERY_SOURCE_ENABLED_STATE)
-        .unwrap_or_else(|e| {
-            panic!(
-              "tauri store [{}] should exist and be loaded, but that's not true due to error [{}]",
-              TAURI_STORE_LOCAL_QUERY_SOURCE_ENABLED_STATE, e
-          )
-        });
-    enabled_status_store.set(query_source_id, Json::Bool(true));
-}
-
-#[tauri::command]
-pub async fn disable_local_query_source<R: Runtime>(
-    app_handle: AppHandle<R>,
-    query_source_id: String,
-) {
-    let registry = app_handle.state::<SearchSourceRegistry>();
-    registry.remove_source(&query_source_id).await;
-
-    let enabled_status_store = app_handle
-        .store(TAURI_STORE_LOCAL_QUERY_SOURCE_ENABLED_STATE)
-        .unwrap_or_else(|e| {
-            panic!(
-          "tauri store [{}] should exist and be loaded, but that's not true due to error [{}]",
-          TAURI_STORE_LOCAL_QUERY_SOURCE_ENABLED_STATE, e
-      )
-        });
-    enabled_status_store.set(query_source_id, Json::Bool(false));
-}

src-tauri/src/main.rs

@@ -1,5 +1,112 @@
 // Prevents additional console window on Windows in release, DO NOT REMOVE!!
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+use std::fs::OpenOptions;
+use std::io::Write;
+use std::path::PathBuf;
+
+/// Helper function to return the log directory.
+///
+/// This should return the same value as `tauri_app_handle.path().app_log_dir().unwrap()`.
+fn app_log_dir() -> PathBuf {
+    // This function `app_log_dir()` is for the panic hook, which should be set
+    // before Tauri performs any initialization. At that point, we do not have
+    // access to the identifier provided by Tauri, so we need to define our own
+    // one here.
+    //
+    // NOTE: If you update identifier in the following files, update this one
+    // as well!
+    //
+    // src-tauri/tauri.linux.conf.json
+    // src-tauri/Entitlements.plist
+    // src-tauri/tauri.conf.json
+    // src-tauri/Info.plist
+    const IDENTIFIER: &str = "rs.coco.app";
+
+    #[cfg(target_os = "macos")]
+    let path = dirs::home_dir()
+        .expect("cannot find the home directory, Coco should never run in such a environment")
+        .join("Library/Logs")
+        .join(IDENTIFIER);
+
+    #[cfg(not(target_os = "macos"))]
+    let path = dirs::data_local_dir()
+        .expect("app local dir is None, we should not encounter this")
+        .join(IDENTIFIER)
+        .join("logs");
+
+    path
+}
+
+/// Set up panic hook to log panic information to a file
+fn setup_panic_hook() {
+    std::panic::set_hook(Box::new(|panic_info| {
+        let timestamp = chrono::Local::now();
+        // "%Y-%m-%d %H:%M:%S"
+        //
+        // I would like to use the above format, but Windows does not allow that
+        // and complains with OS error 123.
+        let datetime_str = timestamp.format("%Y-%m-%d-%H-%M-%S").to_string();
+
+        let log_dir = app_log_dir();
+
+        // Ensure the log directory exists
+        if let Err(e) = std::fs::create_dir_all(&log_dir) {
+            eprintln!("Panic hook error: failed to create log directory: {}", e);
+            return;
+        }
+
+        let panic_file = log_dir.join(format!("{}_rust_panic.log", datetime_str));
+
+        // Prepare panic information
+        let panic_message = if let Some(s) = panic_info.payload().downcast_ref::<&str>() {
+            s.to_string()
+        } else if let Some(s) = panic_info.payload().downcast_ref::<String>() {
+            s.clone()
+        } else {
+            "Unknown panic message".to_string()
+        };
+
+        let location = if let Some(location) = panic_info.location() {
+            format!(
+                "{}:{}:{}",
+                location.file(),
+                location.line(),
+                location.column()
+            )
+        } else {
+            "Unknown location".to_string()
+        };
+
+        // Use `force_capture()` instead of `capture()` as we want backtrace
+        // regardless of whether the corresponding env vars are set or not.
+        let backtrace = std::backtrace::Backtrace::force_capture();
+
+        let panic_log = format!(
+            "Time: [{}]\nLocation: [{}]\nMessage: [{}]\nBacktrace: \n{}",
+            datetime_str, location, panic_message, backtrace
+        );
+
+        // Write to panic file
+        match OpenOptions::new()
+            .create(true)
+            .append(true)
+            .open(&panic_file)
+        {
+            Ok(mut file) => {
+                if let Err(e) = writeln!(file, "{}", panic_log) {
+                    eprintln!("Panic hook error: Failed to write panic to file: {}", e);
+                }
+            }
+            Err(e) => {
+                eprintln!("Panic hook error: Failed to open panic log file: {}", e);
+            }
+        }
+    }));
+}
+
 fn main() {
+    // Panic hook setup should be the first thing to do, everything could panic!
+    setup_panic_hook();
     coco_lib::run();
 }

src-tauri/src/search/mod.rs

@@ -1,130 +1,256 @@
 use crate::common::error::SearchError;
 use crate::common::register::SearchSourceRegistry;
 use crate::common::search::{
-    FailedRequest, MultiSourceQueryResponse, QueryHits, QuerySource, SearchQuery,
+    FailedRequest, MultiSourceQueryResponse, QueryHits, QueryResponse, QuerySource, SearchQuery,
 };
-use futures::stream::FuturesUnordered;
+use crate::common::traits::SearchSource;
+use crate::server::servers::logout_coco_server;
+use crate::server::servers::mark_server_as_offline;
+use function_name::named;
 use futures::StreamExt;
+use futures::stream::FuturesUnordered;
+use reqwest::StatusCode;
+use std::cmp::Reverse;
 use std::collections::HashMap;
 use std::collections::HashSet;
-use tauri::{AppHandle, Manager, Runtime};
+use std::future::Future;
-use tokio::time::{timeout, Duration};
+use std::sync::Arc;
+use tauri::{AppHandle, Manager};
+use tokio::time::error::Elapsed;
+use tokio::time::{Duration, timeout};
 
+/// Helper function to return the Future used for querying querysources.
+///
+/// It is a workaround for the limitations:
+///
+/// 1. 2 async blocks have different types in Rust's type system even though
+///    they are literally same
+/// 2. `futures::stream::FuturesUnordered` needs the `Futures` pushed to it to
+///    have only 1 type
+///
+/// Putting the async block in a function to unify the types.
+fn same_type_futures(
+    query_source: QuerySource,
+    query_source_trait_object: Arc<dyn SearchSource>,
+    timeout_duration: Duration,
+    search_query: SearchQuery,
+    tauri_app_handle: AppHandle,
+) -> impl Future<
+    Output = (
+        QuerySource,
+        Result<Result<QueryResponse, SearchError>, Elapsed>,
+    ),
+> + 'static {
+    async move {
+        (
+            // Store `query_source` as part of future for debugging purposes.
+            query_source,
+            timeout(timeout_duration, async {
+                query_source_trait_object
+                    .search(tauri_app_handle.clone(), search_query)
+                    .await
+            })
+            .await,
+        )
+    }
+}
+
+#[named]
 #[tauri::command]
-pub async fn query_coco_fusion<R: Runtime>(
+pub async fn query_coco_fusion(
-    app_handle: AppHandle<R>,
+    app_handle: AppHandle,
     from: u64,
     size: u64,
     query_strings: HashMap<String, String>,
     query_timeout: u64,
 ) -> Result<MultiSourceQueryResponse, SearchError> {
-    let query_source_to_search = query_strings.get("querysource");
+    let query_keyword = query_strings
+        .get("query")
+        .unwrap_or(&"".to_string())
+        .clone();
+
+    let opt_query_source_id = query_strings.get("querysource");
 
     let search_sources = app_handle.state::<SearchSourceRegistry>();
 
     let sources_future = search_sources.get_sources();
     let mut futures = FuturesUnordered::new();
-    let mut sources = HashMap::new();
 
-    let sources_list = sources_future.await;
+    let mut sources_list = sources_future.await;
+    let sources_list_len = sources_list.len();
 
     // Time limit for each query
     let timeout_duration = Duration::from_millis(query_timeout);
 
-    // Push all queries into futures
+    log::debug!(
-    for query_source in sources_list {
+        "{}() invoked with parameters: from: [{}], size: [{}], query_strings: [{:?}], timeout: [{:?}]",
-        let query_source_type = query_source.get_type().clone();
+        function_name!(),
+        from,
+        size,
+        query_strings,
+        timeout_duration
+    );
 
-        if let Some(query_source_to_search) = query_source_to_search {
+    let search_query = SearchQuery::new(from, size, query_strings.clone());
-            // We should not search this data source
+
-            if &query_source_type.id != query_source_to_search {
+    if let Some(query_source_id) = opt_query_source_id {
-                continue;
+        // If this query source ID is specified, we only query this query source.
-            }
+        log::debug!(
+            "parameter [querysource={}] specified, will only query this querysource",
+            query_source_id
+        );
+
+        let opt_query_source_trait_object_index = sources_list
+            .iter()
+            .position(|query_source| &query_source.get_type().id == query_source_id);
+
+        let Some(query_source_trait_object_index) = opt_query_source_trait_object_index else {
+            // It is possible (an edge case) that the frontend invokes `query_coco_fusion()` with a
+            // datasource that does not exist in the source list:
+            //
+            // 1. Search applications
+            // 2. Navigate to the application sub page
+            // 3. Disable the application extension in settings
+            // 4. hide the search window
+            // 5. Re-open the search window and search for something
+            //
+            // The application search source is not in the source list because the extension
+            // has been disabled, but the last search is indeed invoked with parameter
+            // `datasource=application`.
+            return Ok(MultiSourceQueryResponse {
+                failed: Vec::new(),
+                hits: Vec::new(),
+                total_hits: 0,
+            });
+        };
+
+        let query_source_trait_object = sources_list.remove(query_source_trait_object_index);
+        let query_source = query_source_trait_object.get_type();
+
+        futures.push(same_type_futures(
+            query_source,
+            query_source_trait_object,
+            timeout_duration,
+            search_query,
+            app_handle.clone(),
+        ));
+    } else {
+        log::debug!(
+            "will query querysources {:?}",
+            sources_list
+                .iter()
+                .map(|search_source| search_source.get_type().id.clone())
+                .collect::<Vec<String>>()
+        );
+
+        for query_source_trait_object in sources_list {
+            let query_source = query_source_trait_object.get_type().clone();
+            futures.push(same_type_futures(
+                query_source,
+                query_source_trait_object,
+                timeout_duration,
+                search_query.clone(),
+                app_handle.clone(),
+            ));
         }
-
-        sources.insert(query_source_type.id.clone(), query_source_type);
-
-        let query = SearchQuery::new(from, size, query_strings.clone());
-        let query_source_clone = query_source.clone(); // Clone Arc to avoid ownership issues
-
-        futures.push(tokio::spawn(async move {
-            // Timeout each query execution
-            timeout(timeout_duration, async {
-                query_source_clone.search(query).await
-            })
-                .await
-        }));
     }
 
     let mut total_hits = 0;
+    let mut need_rerank = true; //TODO set default to false when boost supported in Pizza
     let mut failed_requests = Vec::new();
     let mut all_hits: Vec<(String, QueryHits, f64)> = Vec::new();
     let mut hits_per_source: HashMap<String, Vec<(QueryHits, f64)>> = HashMap::new();
 
-    while let Some(result) = futures.next().await {
+    if sources_list_len > 1 {
-        match result {
+        need_rerank = true; // If we have more than one source, we need to rerank the hits
-            Ok(Ok(Ok(response))) => {
+    }
-                total_hits += response.total_hits;
-                let source_id = response.source.id.clone();
 
-                for (doc, score) in response.hits {
+    while let Some((query_source, timeout_result)) = futures.next().await {
-                    let query_hit = QueryHits {
+        match timeout_result {
-                        source: Some(response.source.clone()),
+            // Ignore the `_timeout` variable as it won't provide any useful debugging information.
-                        score,
+            Err(_timeout) => {
-                        document: doc,
+                log::warn!(
-                    };
+                    "searching query source [{}] timed out, skip this request",
+                    query_source.id
+                );
+                // failed_requests.push(FailedRequest {
+                //     source: query_source,
+                //     status: 0,
+                //     error: Some("querying timed out".into()),
+                //     reason: None,
+                // });
+            }
+            Ok(query_result) => match query_result {
+                Ok(response) => {
+                    total_hits += response.total_hits;
+                    let source_id = response.source.id.clone();
 
-                    all_hits.push((source_id.clone(), query_hit.clone(), score));
+                    for (doc, score) in response.hits {
+                        log::debug!("doc: {}, {:?}, {}", doc.id, doc.title, score);
 
-                    hits_per_source
+                        let query_hit = QueryHits {
-                        .entry(source_id.clone())
+                            source: Some(response.source.clone()),
-                        .or_insert_with(Vec::new)
+                            score,
-                        .push((query_hit, score));
+                            document: doc,
+                        };
+
+                        all_hits.push((source_id.clone(), query_hit.clone(), score));
+
+                        hits_per_source
+                            .entry(source_id.clone())
+                            .or_insert_with(Vec::new)
+                            .push((query_hit, score));
+                    }
                 }
-            }
+                Err(search_error) => {
-            Ok(Ok(Err(err))) => {
+                    log::error!(
-                failed_requests.push(FailedRequest {
+                        "searching query source [{}] failed, error [{}]",
-                    source: QuerySource {
+                        query_source.id,
-                        r#type: "N/A".into(),
+                        search_error
-                        name: "N/A".into(),
+                    );
-                        id: "N/A".into(),
+
-                    },
+                    let mut status_code_num: u16 = 0;
-                    status: 0,
+
-                    error: Some(err.to_string()),
+                    if let SearchError::HttpError {
-                    reason: None,
+                        status_code: opt_status_code,
-                });
+                        msg: _,
-            }
+                    } = search_error
-            Ok(Err(err)) => {
+                    {
-                failed_requests.push(FailedRequest {
+                        if let Some(status_code) = opt_status_code {
-                    source: QuerySource {
+                            status_code_num = status_code.as_u16();
-                        r#type: "N/A".into(),
+                            if status_code != StatusCode::OK {
-                        name: "N/A".into(),
+                                if status_code == StatusCode::UNAUTHORIZED {
-                        id: "N/A".into(),
+                                    // This Coco server is unavailable. In addition to marking it as
-                    },
+                                    // unavailable, we need to log out because the status code is 401.
-                    status: 0,
+                                    logout_coco_server(app_handle.clone(), query_source.id.clone()).await.unwrap_or_else(|e| {
-                    error: Some(err.to_string()),
+                                        panic!(
-                    reason: None,
+                                          "the search request to Coco server [id {}, name {}] failed with status code {}, the login token is invalid, we are trying to log out, but failed with error [{}]", 
-                });
+                                          query_source.id, query_source.name, StatusCode::UNAUTHORIZED, e
-            }
+                                        );
-            // Timeout reached, skip this request
+                                    })
-            _ => {
+                                } else {
-                failed_requests.push(FailedRequest {
+                                    // This Coco server is unavailable
-                    source: QuerySource {
+                                    mark_server_as_offline(app_handle.clone(), &query_source.id)
-                        r#type: "N/A".into(),
+                                        .await;
-                        name: "N/A".into(),
+                                }
-                        id: "N/A".into(),
+                            }
-                    },
+                        }
-                    status: 0,
+                    }
-                    error: Some(format!("{:?}", &result)),
+
-                    reason: None,
+                    failed_requests.push(FailedRequest {
-                });
+                        source: query_source,
-            }
+                        status: status_code_num,
+                        error: Some(search_error.to_string()),
+                        reason: None,
+                    });
+                }
+            },
         }
     }
 
     // Sort hits within each source by score (descending)
     for hits in hits_per_source.values_mut() {
-        hits.sort_by(|a, b| b.1.partial_cmp(&a.1).unwrap_or(std::cmp::Ordering::Equal));
+        hits.sort_by(|a, b| b.1.partial_cmp(&a.1).unwrap_or(std::cmp::Ordering::Greater));
     }
 
     let total_sources = hits_per_source.len();
@@ -140,16 +266,71 @@ pub async fn query_coco_fusion<R: Runtime>(
     // Distribute hits fairly across sources
     for (_source_id, hits) in &mut hits_per_source {
         let take_count = hits.len().min(max_hits_per_source);
-        for (doc, _) in hits.drain(0..take_count) {
+        for (doc, score) in hits.drain(0..take_count) {
             if !seen_docs.contains(&doc.document.id) {
                 seen_docs.insert(doc.document.id.clone());
+                log::debug!(
+                    "collect doc: {}, {:?}, {}",
+                    doc.document.id,
+                    doc.document.title,
+                    score
+                );
                 final_hits.push(doc);
             }
         }
     }
 
-    // If we still need more hits, take the highest-scoring remaining ones
+    log::debug!("final hits: {:?}", final_hits.len());
-    if final_hits.len() < size as usize {
+
+    let mut unique_sources = HashSet::new();
+    for hit in &final_hits {
+        if let Some(source) = &hit.source {
+            if source.id != crate::extension::built_in::calculator::DATA_SOURCE_ID {
+                unique_sources.insert(&source.id);
+            }
+        }
+    }
+
+    log::debug!(
+        "Multiple sources found: {:?}, no rerank needed",
+        unique_sources
+    );
+
+    if unique_sources.len() < 1 {
+        need_rerank = false; // If we have hits from multiple sources, we don't need to rerank
+    }
+
+    if need_rerank && final_hits.len() > 1 {
+        // Precollect (index, title)
+        let titles_to_score: Vec<(usize, &str)> = final_hits
+            .iter()
+            .enumerate()
+            .filter_map(|(idx, hit)| {
+                let source = hit.source.as_ref()?;
+                let title = hit.document.title.as_deref()?;
+
+                if source.id != crate::extension::built_in::calculator::DATA_SOURCE_ID {
+                    Some((idx, title))
+                } else {
+                    None
+                }
+            })
+            .collect();
+
+        // Score them
+        let scored_hits = boosted_levenshtein_rerank(query_keyword.as_str(), titles_to_score);
+
+        // Sort descending by score
+        let mut scored_hits = scored_hits;
+        scored_hits.sort_by_key(|&(_, score)| Reverse((score * 1000.0) as u64));
+
+        // Apply new scores to final_hits
+        for (idx, score) in scored_hits.into_iter().take(size as usize) {
+            final_hits[idx].score = score;
+        }
+    } else if final_hits.len() < size as usize {
+        // If we still need more hits, take the highest-scoring remaining ones
+
         let remaining_needed = size as usize - final_hits.len();
 
         // Sort all hits by score descending, removing duplicates by document ID
@@ -179,9 +360,45 @@ pub async fn query_coco_fusion<R: Runtime>(
             .unwrap_or(std::cmp::Ordering::Equal)
     });
 
+    if final_hits.len() < 5 {
+        //TODO: Add a recommendation system to suggest more sources
+        log::info!(
+            "Less than 5 hits found, consider using recommendation to find more suggestions."
+        );
+        //local: recent history, local extensions
+        //remote: ai agents, quick links, other tasks, managed by server
+    }
+
     Ok(MultiSourceQueryResponse {
         failed: failed_requests,
         hits: final_hits,
         total_hits,
     })
 }
+
+fn boosted_levenshtein_rerank(query: &str, titles: Vec<(usize, &str)>) -> Vec<(usize, f64)> {
+    use strsim::levenshtein;
+
+    let query_lower = query.to_lowercase();
+
+    titles
+        .into_iter()
+        .map(|(idx, title)| {
+            let mut score = 0.0;
+
+            if title.contains(query) {
+                score += 0.4;
+            } else if title.to_lowercase().contains(&query_lower) {
+                score += 0.2;
+            }
+
+            let dist = levenshtein(&query_lower, &title.to_lowercase());
+            let max_len = query_lower.len().max(title.len());
+            if max_len > 0 {
+                score += (1.0 - (dist as f64 / max_len as f64)) as f32;
+            }
+
+            (idx, score.min(1.0) as f64)
+        })
+        .collect()
+}

src-tauri/src/server/attachment.rs

@@ -15,42 +15,6 @@ pub struct UploadAttachmentResponse {
     pub attachments: Vec<String>,
 }
 
-#[derive(Debug, Serialize, Deserialize)]
-pub struct AttachmentSource {
-    pub id: String,
-    pub created: String,
-    pub updated: String,
-    pub session: String,
-    pub name: String,
-    pub icon: String,
-    pub url: String,
-    pub size: u64,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct AttachmentHit {
-    pub _index: String,
-    pub _type: Option<String>,
-    pub _id: String,
-    pub _score: Option<f64>,
-    pub _source: AttachmentSource,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct AttachmentHits {
-    pub total: Value,
-    pub max_score: Option<f64>,
-    pub hits: Option<Vec<AttachmentHit>>,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct GetAttachmentResponse {
-    pub took: u32,
-    pub timed_out: bool,
-    pub _shards: Option<Value>,
-    pub hits: AttachmentHits,
-}
-
 #[derive(Debug, Serialize, Deserialize)]
 pub struct DeleteAttachmentResponse {
     pub _id: String,
@@ -60,7 +24,6 @@ pub struct DeleteAttachmentResponse {
 #[command]
 pub async fn upload_attachment(
     server_id: String,
-    session_id: String,
     file_paths: Vec<PathBuf>,
 ) -> Result<UploadAttachmentResponse, String> {
     let mut form = Form::new();
@@ -82,10 +45,12 @@ pub async fn upload_attachment(
         form = form.part("files", part);
     }
 
-    let server = get_server_by_id(&server_id).ok_or("Server not found")?;
+    let server = get_server_by_id(&server_id)
-    let url = HttpClient::join_url(&server.endpoint, &format!("chat/{}/_upload", session_id));
+        .await
+        .ok_or("Server not found")?;
+    let url = HttpClient::join_url(&server.endpoint, &format!("attachment/_upload"));
 
-    let token = get_server_token(&server_id).await?;
+    let token = get_server_token(&server_id).await;
     let mut headers = HashMap::new();
     if let Some(token) = token {
         headers.insert("X-API-TOKEN".to_string(), token.access_token);
@@ -107,20 +72,17 @@ pub async fn upload_attachment(
 }
 
 #[command]
-pub async fn get_attachment(
+pub async fn get_attachment(server_id: String, session_id: String) -> Result<Value, String> {
-    server_id: String,
+    let mut query_params = Vec::new();
-    session_id: String,
+    query_params.push(format!("session={}", session_id));
-) -> Result<GetAttachmentResponse, String> {
-    let mut query_params = HashMap::new();
-    query_params.insert("session".to_string(), serde_json::Value::String(session_id));
 
     let response = HttpClient::get(&server_id, "/attachment/_search", Some(query_params))
         .await
         .map_err(|e| format!("Request error: {}", e))?;
 
     let body = get_response_body_text(response).await?;
-    
+
-    serde_json::from_str::<GetAttachmentResponse>(&body)
+    serde_json::from_str::<Value>(&body)
         .map_err(|e| format!("Failed to parse attachment response: {}", e))
 }
 

src-tauri/src/server/auth.rs

@@ -20,15 +20,15 @@ pub async fn handle_sso_callback<R: Runtime>(
     code: String,
 ) -> Result<(), String> {
     // Retrieve the server details using the server ID
-    let server = get_server_by_id(&server_id);
+    let server = get_server_by_id(&server_id).await;
 
     let expire_in = 3600; // TODO, need to update to actual expire_in value
     if let Some(mut server) = server {
         // Save the access token for the server
         let access_token = ServerAccessToken::new(server_id.clone(), code.clone(), expire_in);
         // dbg!(&server_id, &request_id, &code, &token);
-        save_access_token(server_id.clone(), access_token);
+        save_access_token(server_id.clone(), access_token).await;
-        persist_servers_token(&app_handle)?;
+        persist_servers_token(&app_handle).await?;
 
         // Register the server to the search source
         try_register_server_to_search_source(app_handle.clone(), &server).await;
@@ -41,7 +41,7 @@ pub async fn handle_sso_callback<R: Runtime>(
             Ok(p) => {
                 server.profile = Some(p);
                 server.available = true;
-                save_server(&server);
+                save_server(&server).await;
                 persist_servers(&app_handle).await?;
                 Ok(())
             }

src-tauri/src/server/connector.rs

@@ -1,7 +1,8 @@
 use crate::common::connector::Connector;
 use crate::common::search::parse_search_results;
-use crate::server::http_client::HttpClient;
+use crate::server::http_client::{HttpClient, status_code_check};
 use crate::server::servers::get_all_servers;
+use http::StatusCode;
 use lazy_static::lazy_static;
 use std::collections::HashMap;
 use std::sync::{Arc, RwLock};
@@ -29,7 +30,7 @@ pub fn get_connector_by_id(server_id: &str, connector_id: &str) -> Option<Connec
 }
 
 pub async fn refresh_all_connectors<R: Runtime>(app_handle: &AppHandle<R>) -> Result<(), String> {
-    let servers = get_all_servers();
+    let servers = get_all_servers().await;
 
     // Collect all the tasks for fetching and refreshing connectors
     let mut server_map = HashMap::new();
@@ -107,6 +108,7 @@ pub async fn fetch_connectors_by_server(id: &str) -> Result<Vec<Connector>, Stri
             // dbg!("Error fetching connector for id {}: {}", &id, &e);
             format!("Error fetching connector: {}", e)
         })?;
+    status_code_check(&resp, &[StatusCode::OK, StatusCode::CREATED])?;
 
     // Parse the search results directly from the response body
     let datasource: Vec<Connector> = parse_search_results(resp)

src-tauri/src/server/datasource.rs

@@ -1,20 +1,14 @@
 use crate::common::datasource::DataSource;
 use crate::common::search::parse_search_results;
 use crate::server::connector::get_connector_by_id;
-use crate::server::http_client::HttpClient;
+use crate::server::http_client::{HttpClient, status_code_check};
 use crate::server::servers::get_all_servers;
+use http::StatusCode;
 use lazy_static::lazy_static;
 use std::collections::HashMap;
 use std::sync::{Arc, RwLock};
 use tauri::{AppHandle, Runtime};
 
-#[derive(serde::Deserialize, Debug)]
-pub struct GetDatasourcesByServerOptions {
-    pub from: Option<u32>,
-    pub size: Option<u32>,
-    pub query: Option<String>,
-}
-
 lazy_static! {
     static ref DATASOURCE_CACHE: Arc<RwLock<HashMap<String, HashMap<String, DataSource>>>> =
         Arc::new(RwLock::new(HashMap::new()));
@@ -40,7 +34,7 @@ pub fn get_datasources_from_cache(server_id: &str) -> Option<HashMap<String, Dat
 pub async fn refresh_all_datasources<R: Runtime>(_app_handle: &AppHandle<R>) -> Result<(), String> {
     // dbg!("Attempting to refresh all datasources");
 
-    let servers = get_all_servers();
+    let servers = get_all_servers().await;
 
     let mut server_map = HashMap::new();
 
@@ -96,50 +90,17 @@ pub async fn refresh_all_datasources<R: Runtime>(_app_handle: &AppHandle<R>) ->
 #[tauri::command]
 pub async fn datasource_search(
     id: &str,
-    options: Option<GetDatasourcesByServerOptions>,
+    query_params: Option<Vec<String>>, //["query=abc", "filter=er", "filter=efg", "from=0", "size=5"],
 ) -> Result<Vec<DataSource>, String> {
-    let from = options.as_ref().and_then(|opt| opt.from).unwrap_or(0);
-    let size = options.as_ref().and_then(|opt| opt.size).unwrap_or(10000);
-    let query = options
-        .and_then(|opt| opt.query)
-        .unwrap_or(String::default());
-
-    let mut body = serde_json::json!({
-        "from": from,
-        "size": size,
-    });
-
-    if !query.is_empty() {
-        body["query"] = serde_json::json!({
-              "bool": {
-                  "must": [{
-                      "query_string": {
-                          "fields": ["combined_fulltext"],
-                          "query": query,
-                          "fuzziness": "AUTO",
-                          "fuzzy_prefix_length": 2,
-                          "fuzzy_max_expansions": 10,
-                          "fuzzy_transpositions": true,
-                          "allow_leading_wildcard": false
-                      }
-                  }]
-              }
-        });
-    }
-
     // Perform the async HTTP request outside the cache lock
-    let resp = HttpClient::post(
+    let resp = HttpClient::post(id, "/datasource/_search", query_params, None)
-        id,
-        "/datasource/_search",
-        None,
-        Some(reqwest::Body::from(body.to_string())),
-    )
         .await
         .map_err(|e| format!("Error fetching datasource: {}", e))?;
+    status_code_check(&resp, &[StatusCode::OK, StatusCode::CREATED])?;
 
     // Parse the search results from the response
     let datasources: Vec<DataSource> = parse_search_results(resp).await.map_err(|e| {
-        dbg!("Error parsing search results: {}", &e);
+        //dbg!("Error parsing search results: {}", &e);
         e.to_string()
     })?;
 
@@ -152,50 +113,17 @@ pub async fn datasource_search(
 #[tauri::command]
 pub async fn mcp_server_search(
     id: &str,
-    options: Option<GetDatasourcesByServerOptions>,
+    query_params: Option<Vec<String>>,
 ) -> Result<Vec<DataSource>, String> {
-    let from = options.as_ref().and_then(|opt| opt.from).unwrap_or(0);
-    let size = options.as_ref().and_then(|opt| opt.size).unwrap_or(10000);
-    let query = options
-        .and_then(|opt| opt.query)
-        .unwrap_or(String::default());
-
-    let mut body = serde_json::json!({
-        "from": from,
-        "size": size,
-    });
-
-    if !query.is_empty() {
-        body["query"] = serde_json::json!({
-              "bool": {
-                  "must": [{
-                      "query_string": {
-                          "fields": ["combined_fulltext"],
-                          "query": query,
-                          "fuzziness": "AUTO",
-                          "fuzzy_prefix_length": 2,
-                          "fuzzy_max_expansions": 10,
-                          "fuzzy_transpositions": true,
-                          "allow_leading_wildcard": false
-                      }
-                  }]
-              }
-        });
-    }
-
     // Perform the async HTTP request outside the cache lock
-    let resp = HttpClient::post(
+    let resp = HttpClient::post(id, "/mcp_server/_search", query_params, None)
-        id,
-        "/mcp_server/_search",
-        None,
-        Some(reqwest::Body::from(body.to_string())),
-    )
         .await
         .map_err(|e| format!("Error fetching datasource: {}", e))?;
+    status_code_check(&resp, &[StatusCode::OK, StatusCode::CREATED])?;
 
     // Parse the search results from the response
     let mcp_server: Vec<DataSource> = parse_search_results(resp).await.map_err(|e| {
-        dbg!("Error parsing search results: {}", &e);
+        //dbg!("Error parsing search results: {}", &e);
         e.to_string()
     })?;
 

src-tauri/src/server/http_client.rs

@@ -1,17 +1,19 @@
 use crate::server::servers::{get_server_by_id, get_server_token};
-use http::{HeaderName, HeaderValue};
+use crate::util::app_lang::get_app_lang;
+use crate::util::platform::Platform;
+use http::{HeaderName, HeaderValue, StatusCode};
 use once_cell::sync::Lazy;
 use reqwest::{Client, Method, RequestBuilder};
 use std::collections::HashMap;
+use std::sync::LazyLock;
 use std::time::Duration;
-use tauri_plugin_store::JsonValue;
 use tokio::sync::Mutex;
 
 pub(crate) fn new_reqwest_http_client(accept_invalid_certs: bool) -> Client {
     Client::builder()
-        .read_timeout(Duration::from_secs(3)) // Set a timeout of 3 second
+        .read_timeout(Duration::from_secs(60)) // Set a timeout of 60 second
-        .connect_timeout(Duration::from_secs(3)) // Set a timeout of 3 second
+        .connect_timeout(Duration::from_secs(30)) // Set a timeout of 30 second
-        .timeout(Duration::from_secs(10)) // Set a timeout of 10 seconds
+        .timeout(Duration::from_secs(5 * 60)) // Set a timeout of 5 minute
         .danger_accept_invalid_certs(accept_invalid_certs) // allow self-signed certificates
         .build()
         .expect("Failed to build client")
@@ -27,6 +29,26 @@ pub static HTTP_CLIENT: Lazy<Mutex<Client>> = Lazy::new(|| {
     Mutex::new(new_reqwest_http_client(allow_self_signature))
 });
 
+/// These header values won't change during a process's lifetime.
+static STATIC_HEADERS: LazyLock<HashMap<String, String>> = LazyLock::new(|| {
+    HashMap::from([
+        (
+            "X-OS-NAME".into(),
+            Platform::current()
+                .to_os_name_http_header_str()
+                .into_owned(),
+        ),
+        (
+            "X-OS-VER".into(),
+            sysinfo::System::os_version()
+                .expect("sysinfo::System::os_version() should be Some on major systems"),
+        ),
+        ("X-OS-ARCH".into(), sysinfo::System::cpu_arch()),
+        ("X-APP-NAME".into(), "coco-app".into()),
+        ("X-APP-VER".into(), env!("CARGO_PKG_VERSION").into()),
+    ])
+});
+
 pub struct HttpClient;
 
 impl HttpClient {
@@ -40,7 +62,7 @@ impl HttpClient {
     pub async fn send_raw_request(
         method: Method,
         url: &str,
-        query_params: Option<HashMap<String, JsonValue>>,
+        query_params: Option<Vec<String>>,
         headers: Option<HashMap<String, String>>,
         body: Option<reqwest::Body>,
     ) -> Result<reqwest::Response, String> {
@@ -56,7 +78,7 @@ impl HttpClient {
             Self::get_request_builder(method, url, headers, query_params, body).await;
 
         let response = request_builder.send().await.map_err(|e| {
-            dbg!("Failed to send request: {}", &e);
+            //dbg!("Failed to send request: {}", &e);
             format!("Failed to send request: {}", e)
         })?;
 
@@ -74,7 +96,7 @@ impl HttpClient {
         method: Method,
         url: &str,
         headers: Option<HashMap<String, String>>,
-        query_params: Option<HashMap<String, JsonValue>>, // Add query parameters
+        query_params: Option<Vec<String>>, // Add query parameters
         body: Option<reqwest::Body>,
     ) -> RequestBuilder {
         let client = HTTP_CLIENT.lock().await; // Acquire the lock on HTTP_CLIENT
@@ -82,8 +104,32 @@ impl HttpClient {
         // Build the request
         let mut request_builder = client.request(method.clone(), url);
 
+        // Populate the headers defined by us
+        let mut req_headers = reqwest::header::HeaderMap::new();
+        for (key, value) in STATIC_HEADERS.iter() {
+            let key = HeaderName::from_bytes(key.as_bytes())
+                .expect("headers defined by us should be valid");
+            let value = HeaderValue::from_str(value.trim()).unwrap_or_else(|e| {
+                panic!(
+                    "header value [{}] is invalid, error [{}], this should be unreachable",
+                    value, e
+                );
+            });
+            req_headers.insert(key, value);
+        }
+        let app_lang = get_app_lang().await.to_string();
+        req_headers.insert(
+            "X-APP-LANG",
+            HeaderValue::from_str(&app_lang).unwrap_or_else(|e| {
+                panic!(
+                    "header value [{}] is invalid, error [{}], this should be unreachable",
+                    app_lang, e
+                );
+            }),
+        );
+
+        // Headers from the function parameter
         if let Some(h) = headers {
-            let mut req_headers = reqwest::header::HeaderMap::new();
             for (key, value) in h.into_iter() {
                 match (
                     HeaderName::from_bytes(key.as_bytes()),
@@ -106,24 +152,9 @@ impl HttpClient {
             request_builder = request_builder.headers(req_headers);
         }
 
-        if let Some(query) = query_params {
+        if let Some(params) = query_params {
-            // Convert only supported value types into strings
+            let query: Vec<(&str, &str)> =
-            let query: HashMap<String, String> = query
+                params.iter().filter_map(|s| s.split_once('=')).collect();
-                .into_iter()
-                .filter_map(|(k, v)| {
-                    match v {
-                        JsonValue::String(s) => Some((k, s)),
-                        JsonValue::Number(n) => Some((k, n.to_string())),
-                        JsonValue::Bool(b) => Some((k, b.to_string())),
-                        _ => {
-                            dbg!(
-                                "Unsupported query parameter type. Only strings, numbers, and booleans are supported.",k,v,
-                            );
-                            None
-                        } // skip arrays, objects, nulls
-                    }
-                })
-                .collect();
             request_builder = request_builder.query(&query);
         }
 
@@ -140,18 +171,18 @@ impl HttpClient {
         method: Method,
         path: &str,
         custom_headers: Option<HashMap<String, String>>,
-        query_params: Option<HashMap<String, JsonValue>>,
+        query_params: Option<Vec<String>>,
         body: Option<reqwest::Body>,
     ) -> Result<reqwest::Response, String> {
         // Fetch the server using the server_id
-        let server = get_server_by_id(server_id);
+        let server = get_server_by_id(server_id).await;
         if let Some(s) = server {
             // Construct the URL
             let url = HttpClient::join_url(&s.endpoint, path);
 
             // Retrieve the token for the server (token is optional)
             let token = get_server_token(server_id)
-                .await?
+                .await
                 .map(|t| t.access_token.clone());
 
             let mut headers = if let Some(custom_headers) = custom_headers {
@@ -165,16 +196,16 @@ impl HttpClient {
                 headers.insert("X-API-TOKEN".to_string(), t);
             }
 
-            log::debug!(
+            // log::debug!(
-                "Sending request to server: {}, url: {}, headers: {:?}",
+            //     "Sending request to server: {}, url: {}, headers: {:?}",
-                &server_id,
+            //     &server_id,
-                &url,
+            //     &url,
-                &headers
+            //     &headers
-            );
+            // );
 
             Self::send_raw_request(method, &url, query_params, Some(headers), body).await
         } else {
-            Err("Server not found".to_string())
+            Err(format!("Server [{}] not found", server_id))
         }
     }
 
@@ -182,7 +213,7 @@ impl HttpClient {
     pub async fn get(
         server_id: &str,
         path: &str,
-        query_params: Option<HashMap<String, JsonValue>>, // Add query parameters
+        query_params: Option<Vec<String>>,
     ) -> Result<reqwest::Response, String> {
         HttpClient::send_request(server_id, Method::GET, path, None, query_params, None).await
     }
@@ -191,7 +222,7 @@ impl HttpClient {
     pub async fn post(
         server_id: &str,
         path: &str,
-        query_params: Option<HashMap<String, JsonValue>>, // Add query parameters
+        query_params: Option<Vec<String>>,
         body: Option<reqwest::Body>,
     ) -> Result<reqwest::Response, String> {
         HttpClient::send_request(server_id, Method::POST, path, None, query_params, body).await
@@ -201,7 +232,7 @@ impl HttpClient {
         server_id: &str,
         path: &str,
         custom_headers: Option<HashMap<String, String>>,
-        query_params: Option<HashMap<String, JsonValue>>, // Add query parameters
+        query_params: Option<Vec<String>>,
         body: Option<reqwest::Body>,
     ) -> Result<reqwest::Response, String> {
         HttpClient::send_request(
@@ -221,7 +252,7 @@ impl HttpClient {
         server_id: &str,
         path: &str,
         custom_headers: Option<HashMap<String, String>>,
-        query_params: Option<HashMap<String, JsonValue>>, // Add query parameters
+        query_params: Option<Vec<String>>,
         body: Option<reqwest::Body>,
     ) -> Result<reqwest::Response, String> {
         HttpClient::send_request(
@@ -241,7 +272,7 @@ impl HttpClient {
         server_id: &str,
         path: &str,
         custom_headers: Option<HashMap<String, String>>,
-        query_params: Option<HashMap<String, JsonValue>>, // Add query parameters
+        query_params: Option<Vec<String>>,
     ) -> Result<reqwest::Response, String> {
         HttpClient::send_request(
             server_id,
@@ -254,3 +285,30 @@ impl HttpClient {
         .await
     }
 }
+
+/// Helper function to check status code.
+///
+/// If the status code is not in the `allowed_status_codes` list, return an error.
+pub(crate) fn status_code_check(
+    response: &reqwest::Response,
+    allowed_status_codes: &[StatusCode],
+) -> Result<(), String> {
+    let status_code = response.status();
+
+    if !allowed_status_codes.contains(&status_code) {
+        let msg = format!(
+            "Response of request [{}] status code failed: status code [{}], which is not in the 'allow' list {:?}",
+            response.url(),
+            status_code,
+            allowed_status_codes
+                .iter()
+                .map(|status| status.to_string())
+                .collect::<Vec<String>>()
+        );
+        log::warn!("{}", msg);
+
+        Err(msg)
+    } else {
+        Ok(())
+    }
+}

src-tauri/src/server/mod.rs

@@ -8,6 +8,7 @@ pub mod http_client;
 pub mod profile;
 pub mod search;
 pub mod servers;
+pub mod synthesize;
 pub mod system_settings;
 pub mod transcription;
 pub mod websocket;

src-tauri/src/server/search.rs

@@ -1,4 +1,4 @@
-use crate::common::document::Document;
+use crate::common::document::{Document, OnOpened};
 use crate::common::error::SearchError;
 use crate::common::http::get_response_body_text;
 use crate::common::search::{QueryHits, QueryResponse, QuerySource, SearchQuery, SearchResponse};
@@ -6,11 +6,10 @@ use crate::common::server::Server;
 use crate::common::traits::SearchSource;
 use crate::server::http_client::HttpClient;
 use async_trait::async_trait;
-// use futures::stream::StreamExt;
 use ordered_float::OrderedFloat;
+use reqwest::StatusCode;
 use std::collections::HashMap;
-use tauri_plugin_store::JsonValue;
+use tauri::AppHandle;
-// use std::hash::Hash;
 
 #[allow(dead_code)]
 pub(crate) struct DocumentsSizedCollector {
@@ -45,7 +44,7 @@ impl DocumentsSizedCollector {
         }
     }
 
-    fn documents(self) -> impl ExactSizeIterator<Item=Document> {
+    fn documents(self) -> impl ExactSizeIterator<Item = Document> {
         self.docs.into_iter().map(|(_, doc, _)| doc)
     }
 
@@ -91,41 +90,74 @@ impl SearchSource for CocoSearchSource {
         }
     }
 
-    async fn search(&self, query: SearchQuery) -> Result<QueryResponse, SearchError> {
+    async fn search(
+        &self,
+        _tauri_app_handle: AppHandle,
+        query: SearchQuery,
+    ) -> Result<QueryResponse, SearchError> {
         let url = "/query/_search";
+        let mut total_hits = 0;
+        let mut hits: Vec<(Document, f64)> = Vec::new();
 
-        let mut query_args: HashMap<String, JsonValue> = HashMap::new();
+        let mut query_params = Vec::new();
-        query_args.insert("from".into(), JsonValue::Number(query.from.into()));
+
-        query_args.insert("size".into(), JsonValue::Number(query.size.into()));
+        // Add from/size as number values
+        query_params.push(format!("from={}", query.from));
+        query_params.push(format!("size={}", query.size));
+
+        // Add query strings
         for (key, value) in query.query_strings {
-            query_args.insert(key, JsonValue::String(value));
+            query_params.push(format!("{}={}", key, value));
         }
 
-        let response = HttpClient::get(
+        let response = HttpClient::get(&self.server.id, &url, Some(query_params))
-            &self.server.id,
-            &url,
-            Some(query_args),
-        )
             .await
-            .map_err(|e| SearchError::HttpError(format!("Error to send search request: {}", e)))?;
+            .map_err(|e| SearchError::HttpError {
+                status_code: None,
+                msg: format!("{}", e),
+            })?;
+        let status_code = response.status();
+
+        if ![StatusCode::OK, StatusCode::CREATED].contains(&status_code) {
+            return Err(SearchError::HttpError {
+                status_code: Some(status_code),
+                msg: format!("Request failed with status code [{}]", status_code),
+            });
+        }
 
         // Use the helper function to parse the response body
         let response_body = get_response_body_text(response)
             .await
-            .map_err(|e| SearchError::ParseError(format!("Failed to read response body: {}", e)))?;
+            .map_err(|e| SearchError::ParseError(e))?;
 
-        // Parse the search response from the body text
+        // Check if the response body is empty
-        let parsed: SearchResponse<Document> = serde_json::from_str(&response_body)
+        if !response_body.is_empty() {
-            .map_err(|e| SearchError::ParseError(format!("Failed to parse search response: {}", e)))?;
+            // log::info!("Search response body: {}", &response_body);
 
-        // Process the parsed response
+            // Parse the search response from the body text
-        let total_hits = parsed.hits.total.value as usize;
+            let parsed: SearchResponse<Document> = serde_json::from_str(&response_body)
-        let hits: Vec<(Document, f64)> = parsed
+                .map_err(|e| SearchError::ParseError(format!("{}", e)))?;
-            .hits
+
-            .hits
+            // Process the parsed response
-            .into_iter()
+            total_hits = parsed.hits.total.value as usize;
-            .map(|hit| (hit._source, hit._score.unwrap_or(0.0))) // Default _score to 0.0 if None
+
-            .collect();
+            if let Some(items) = parsed.hits.hits {
+                for hit in items {
+                    let mut document = hit._source;
+                    // Default _score to 0.0 if None
+                    let score = hit._score.unwrap_or(0.0);
+
+                    let on_opened = document
+                        .url
+                        .as_ref()
+                        .map(|url| OnOpened::Document { url: url.clone() });
+                    // Set the `on_opened` field as it won't be returned from Coco server
+                    document.on_opened = on_opened;
+
+                    hits.push((document, score));
+                }
+            }
+        }
 
         // Return the final result
         Ok(QueryResponse {

src-tauri/src/server/servers.rs

@@ -1,3 +1,4 @@
+use crate::COCO_TAURI_STORE;
 use crate::common::http::get_response_body_text;
 use crate::common::register::SearchSourceRegistry;
 use crate::common::server::{AuthProvider, Provider, Server, ServerAccessToken, Sso, Version};
@@ -5,68 +6,72 @@ use crate::server::connector::fetch_connectors_by_server;
 use crate::server::datasource::datasource_search;
 use crate::server::http_client::HttpClient;
 use crate::server::search::CocoSearchSource;
-use crate::COCO_TAURI_STORE;
+use function_name;
-use lazy_static::lazy_static;
+use http::StatusCode;
 use reqwest::Method;
-use serde_json::from_value;
 use serde_json::Value as JsonValue;
+use serde_json::from_value;
 use std::collections::HashMap;
-use std::sync::Arc;
+use std::sync::LazyLock;
-use std::sync::RwLock;
 use tauri::Runtime;
 use tauri::{AppHandle, Manager};
 use tauri_plugin_store::StoreExt;
-// Assuming you're using serde_json
+use tokio::sync::RwLock;
 
-lazy_static! {
+/// Coco sever list
-    static ref SERVER_CACHE: Arc<RwLock<HashMap<String, Server>>> =
+static SERVER_LIST_CACHE: LazyLock<RwLock<HashMap<String, Server>>> =
-        Arc::new(RwLock::new(HashMap::new()));
+    LazyLock::new(|| RwLock::new(HashMap::new()));
-    static ref SERVER_TOKEN: Arc<RwLock<HashMap<String, ServerAccessToken>>> =
-        Arc::new(RwLock::new(HashMap::new()));
-}
 
-#[allow(dead_code)]
+/// If a server has a token stored here that has not expired, it is considered logged in.
-fn check_server_exists(id: &str) -> bool {
+///
-    let cache = SERVER_CACHE.read().unwrap(); // Acquire read lock
+/// Since the `expire_at` field of `struct ServerAccessToken` is currently unused,
-    cache.contains_key(id)
+/// all servers stored here are treated as logged in.
-}
+static SERVER_TOKEN_LIST_CACHE: LazyLock<RwLock<HashMap<String, ServerAccessToken>>> =
+    LazyLock::new(|| RwLock::new(HashMap::new()));
 
-pub fn get_server_by_id(id: &str) -> Option<Server> {
+/// `SERVER_LIST_CACHE` will be stored in KV store COCO_TAURI_STORE, under this key.
-    let cache = SERVER_CACHE.read().unwrap(); // Acquire read lock
+pub const COCO_SERVERS: &str = "coco_servers";
+
+/// `SERVER_TOKEN_LIST_CACHE` will be stored in KV store COCO_TAURI_STORE, under this key.
+const COCO_SERVER_TOKENS: &str = "coco_server_tokens";
+
+pub async fn get_server_by_id(id: &str) -> Option<Server> {
+    let cache = SERVER_LIST_CACHE.read().await;
     cache.get(id).cloned()
 }
 
-#[tauri::command]
+pub async fn get_server_token(id: &str) -> Option<ServerAccessToken> {
-pub async fn get_server_token(id: &str) -> Result<Option<ServerAccessToken>, String> {
+    let cache = SERVER_TOKEN_LIST_CACHE.read().await;
-    let cache = SERVER_TOKEN.read().map_err(|err| err.to_string())?;
 
-    Ok(cache.get(id).cloned())
+    cache.get(id).cloned()
 }
 
-pub fn save_access_token(server_id: String, token: ServerAccessToken) -> bool {
+pub async fn save_access_token(server_id: String, token: ServerAccessToken) -> bool {
-    let mut cache = SERVER_TOKEN.write().unwrap();
+    let mut cache = SERVER_TOKEN_LIST_CACHE.write().await;
     cache.insert(server_id, token).is_none()
 }
 
-fn check_endpoint_exists(endpoint: &str) -> bool {
+async fn check_endpoint_exists(endpoint: &str) -> bool {
-    let cache = SERVER_CACHE.read().unwrap();
+    let cache = SERVER_LIST_CACHE.read().await;
     cache.values().any(|server| server.endpoint == endpoint)
 }
 
-pub fn save_server(server: &Server) -> bool {
+/// Return true if `server` does not exists in the server list, i.e., it is a newly-added
-    let mut cache = SERVER_CACHE.write().unwrap();
+/// server.
-    cache.insert(server.id.clone(), server.clone()).is_none() // If the server id did not exist, `insert` will return `None`
+pub async fn save_server(server: &Server) -> bool {
+    let mut cache = SERVER_LIST_CACHE.write().await;
+    cache.insert(server.id.clone(), server.clone()).is_none()
 }
 
-fn remove_server_by_id(id: String) -> bool {
+/// Return the removed `Server` if it exists in the server list.
-    dbg!("remove server by id:", &id);
+async fn remove_server_by_id(id: &str) -> Option<Server> {
-    let mut cache = SERVER_CACHE.write().unwrap();
+    log::debug!("remove server by id: {}", &id);
-    let deleted = cache.remove(id.as_str());
+    let mut cache = SERVER_LIST_CACHE.write().await;
-    deleted.is_some()
+    cache.remove(id)
 }
 
 pub async fn persist_servers<R: Runtime>(app_handle: &AppHandle<R>) -> Result<(), String> {
-    let cache = SERVER_CACHE.read().unwrap(); // Acquire a read lock, not a write lock, since you're not modifying the cache
+    let cache = SERVER_LIST_CACHE.read().await;
 
     // Convert HashMap to Vec for serialization (iterating over values of HashMap)
     let servers: Vec<Server> = cache.values().cloned().collect();
@@ -86,14 +91,16 @@ pub async fn persist_servers<R: Runtime>(app_handle: &AppHandle<R>) -> Result<()
     Ok(())
 }
 
-pub fn remove_server_token(id: &str) -> bool {
+/// Return true if the server token of the server specified by `id` exists in
-    dbg!("remove server token by id:", &id);
+/// the token list and gets deleted.
-    let mut cache = SERVER_TOKEN.write().unwrap();
+pub async fn remove_server_token(id: &str) -> bool {
+    log::debug!("remove server token by id: {}", &id);
+    let mut cache = SERVER_TOKEN_LIST_CACHE.write().await;
     cache.remove(id).is_some()
 }
 
-pub fn persist_servers_token<R: Runtime>(app_handle: &AppHandle<R>) -> Result<(), String> {
+pub async fn persist_servers_token<R: Runtime>(app_handle: &AppHandle<R>) -> Result<(), String> {
-    let cache = SERVER_TOKEN.read().unwrap(); // Acquire a read lock, not a write lock, since you're not modifying the cache
+    let cache = SERVER_TOKEN_LIST_CACHE.read().await;
 
     // Convert HashMap to Vec for serialization (iterating over values of HashMap)
     let servers: Vec<ServerAccessToken> = cache.values().cloned().collect();
@@ -104,7 +111,7 @@ pub fn persist_servers_token<R: Runtime>(app_handle: &AppHandle<R>) -> Result<()
         .map(|server| serde_json::to_value(server).expect("Failed to serialize access_tokens")) // Automatically serialize all fields
         .collect();
 
-    dbg!(format!("persist servers token: {:?}", &json_servers));
+    log::debug!("persist servers token: {:?}", &json_servers);
 
     // Save the serialized servers to Tauri's store
     app_handle
@@ -143,17 +150,18 @@ fn get_default_server() -> Server {
         profile: None,
         auth_provider: AuthProvider {
             sso: Sso {
-                url: "https://coco.infini.cloud/sso/login/".to_string(),
+                url: "https://coco.infini.cloud/sso/login/cloud?provider=coco-cloud&product=coco".to_string(),
             },
         },
         priority: 0,
+        stats: None,
     }
 }
 
 pub async fn load_servers_token<R: Runtime>(
     app_handle: &AppHandle<R>,
 ) -> Result<Vec<ServerAccessToken>, String> {
-    dbg!("Attempting to load servers token");
+    log::debug!("Attempting to load servers token");
 
     let store = app_handle
         .store(COCO_TAURI_STORE)
@@ -172,29 +180,42 @@ pub async fn load_servers_token<R: Runtime>(
         servers.ok_or_else(|| "Failed to read servers from store: No servers found".to_string())?;
 
     // Convert each item in the JsonValue array to a Server
-    if let JsonValue::Array(servers_array) = servers {
+    match servers {
-        // Deserialize each JsonValue into Server, filtering out any errors
+        JsonValue::Array(servers_array) => {
-        let deserialized_tokens: Vec<ServerAccessToken> = servers_array
+            let mut deserialized_tokens: Vec<ServerAccessToken> =
-            .into_iter()
+                Vec::with_capacity(servers_array.len());
-            .filter_map(|server_json| from_value(server_json).ok()) // Only keep valid Server instances
+            for server_json in servers_array {
-            .collect();
+                match from_value(server_json.clone()) {
+                    Ok(token) => {
+                        deserialized_tokens.push(token);
+                    }
+                    Err(e) => {
+                        panic!(
+                            "failed to deserialize JSON [{}] to [struct ServerAccessToken], error [{}], store [{}] key [{}] is possibly corrupted!",
+                            server_json, e, COCO_TAURI_STORE, COCO_SERVER_TOKENS
+                        );
+                    }
+                }
+            }
 
-        if deserialized_tokens.is_empty() {
+            if deserialized_tokens.is_empty() {
-            return Err("Failed to deserialize any servers from the store.".to_string());
+                return Err("Failed to deserialize any servers from the store.".to_string());
+            }
+
+            for server in deserialized_tokens.iter() {
+                save_access_token(server.id.clone(), server.clone()).await;
+            }
+
+            log::debug!("loaded {:?} servers's token", &deserialized_tokens.len());
+
+            Ok(deserialized_tokens)
         }
-
+        _ => {
-        for server in deserialized_tokens.iter() {
+            unreachable!(
-            save_access_token(server.id.clone(), server.clone());
+                "coco server tokens should be stored in an array under store [{}] key [{}], but it is not",
+                COCO_TAURI_STORE, COCO_SERVER_TOKENS
+            );
         }
-
-        dbg!(format!(
-            "loaded {:?} servers's token",
-            &deserialized_tokens.len()
-        ));
-
-        Ok(deserialized_tokens)
-    } else {
-        Err("Failed to read servers from store: Invalid format".to_string())
     }
 }
 
@@ -216,26 +237,41 @@ pub async fn load_servers<R: Runtime>(app_handle: &AppHandle<R>) -> Result<Vec<S
         servers.ok_or_else(|| "Failed to read servers from store: No servers found".to_string())?;
 
     // Convert each item in the JsonValue array to a Server
-    if let JsonValue::Array(servers_array) = servers {
+    match servers {
-        // Deserialize each JsonValue into Server, filtering out any errors
+        JsonValue::Array(servers_array) => {
-        let deserialized_servers: Vec<Server> = servers_array
+            let mut deserialized_servers = Vec::with_capacity(servers_array.len());
-            .into_iter()
+            for server_json in servers_array {
-            .filter_map(|server_json| from_value(server_json).ok()) // Only keep valid Server instances
+                match from_value(server_json.clone()) {
-            .collect();
+                    Ok(server) => {
+                        deserialized_servers.push(server);
+                    }
+                    Err(e) => {
+                        panic!(
+                            "failed to deserialize JSON [{}] to [struct Server], error [{}], store [{}] key [{}] is possibly corrupted!",
+                            server_json, e, COCO_TAURI_STORE, COCO_SERVERS
+                        );
+                    }
+                }
+            }
 
-        if deserialized_servers.is_empty() {
+            if deserialized_servers.is_empty() {
-            return Err("Failed to deserialize any servers from the store.".to_string());
+                return Err("Failed to deserialize any servers from the store.".to_string());
+            }
+
+            for server in deserialized_servers.iter() {
+                save_server(&server).await;
+            }
+
+            log::debug!("load servers: {:?}", &deserialized_servers);
+
+            Ok(deserialized_servers)
         }
-
+        _ => {
-        for server in deserialized_servers.iter() {
+            unreachable!(
-            save_server(&server);
+                "coco servers should be stored in an array under store [{}] key [{}], but it is not",
+                COCO_TAURI_STORE, COCO_SERVERS
+            );
         }
-
-        // dbg!(format!("load servers: {:?}", &deserialized_servers));
-
-        Ok(deserialized_servers)
-    } else {
-        Err("Failed to read servers from store: Invalid format".to_string())
     }
 }
 
@@ -243,51 +279,41 @@ pub async fn load_servers<R: Runtime>(app_handle: &AppHandle<R>) -> Result<Vec<S
 pub async fn load_or_insert_default_server<R: Runtime>(
     app_handle: &AppHandle<R>,
 ) -> Result<Vec<Server>, String> {
-    dbg!("Attempting to load or insert default server");
+    log::debug!("Attempting to load or insert default server");
 
     let exists_servers = load_servers(&app_handle).await;
     if exists_servers.is_ok() && !exists_servers.as_ref()?.is_empty() {
-        dbg!(format!("loaded {} servers", &exists_servers.clone()?.len()));
+        log::debug!("loaded {} servers", &exists_servers.clone()?.len());
         return exists_servers;
     }
 
     let default = get_default_server();
-    save_server(&default);
+    save_server(&default).await;
 
-    dbg!("loaded default servers");
+    log::debug!("loaded default servers");
 
     Ok(vec![default])
 }
 
 #[tauri::command]
 pub async fn list_coco_servers<R: Runtime>(
-    _app_handle: AppHandle<R>,
+    app_handle: AppHandle<R>,
 ) -> Result<Vec<Server>, String> {
     //hard fresh all server's info, in order to get the actual health
-    refresh_all_coco_server_info(_app_handle.clone()).await;
+    refresh_all_coco_server_info(app_handle.clone()).await;
+
+    let servers: Vec<Server> = get_all_servers().await;
 
-    let servers: Vec<Server> = get_all_servers();
     Ok(servers)
 }
 
-#[allow(dead_code)]
+pub async fn get_all_servers() -> Vec<Server> {
-pub fn get_servers_as_hashmap() -> HashMap<String, Server> {
+    let cache = SERVER_LIST_CACHE.read().await;
-    let cache = SERVER_CACHE.read().unwrap();
-    cache.clone()
-}
-
-pub fn get_all_servers() -> Vec<Server> {
-    let cache = SERVER_CACHE.read().unwrap();
     cache.values().cloned().collect()
 }
 
-/// We store added Coco servers in the Tauri store using this key.
-pub const COCO_SERVERS: &str = "coco_servers";
-
-const COCO_SERVER_TOKENS: &str = "coco_server_tokens";
-
 pub async fn refresh_all_coco_server_info<R: Runtime>(app_handle: AppHandle<R>) {
-    let servers = get_all_servers();
+    let servers = get_all_servers().await;
     for server in servers {
         let _ = refresh_coco_server_info(app_handle.clone(), server.id.clone()).await;
     }
@@ -300,7 +326,7 @@ pub async fn refresh_coco_server_info<R: Runtime>(
 ) -> Result<Server, String> {
     // Retrieve the server from the cache
     let cached_server = {
-        let cache = SERVER_CACHE.read().unwrap();
+        let cache = SERVER_LIST_CACHE.read().await;
         cache.get(&id).cloned()
     };
 
@@ -315,12 +341,16 @@ pub async fn refresh_coco_server_info<R: Runtime>(
     let profile = server.profile;
 
     // Send request to fetch updated server info
-    let response = HttpClient::get(&id, "/provider/_info", None)
+    let response = match HttpClient::get(&id, "/provider/_info", None).await {
-        .await
+        Ok(response) => response,
-        .map_err(|e| format!("Failed to contact the server: {}", e))?;
+        Err(e) => {
+            mark_server_as_offline(app_handle, &id).await;
+            return Err(e);
+        }
+    };
 
     if !response.status().is_success() {
-        mark_server_as_offline(&id).await;
+        mark_server_as_offline(app_handle, &id).await;
         return Err(format!("Request failed with status: {}", response.status()));
     }
 
@@ -335,12 +365,22 @@ pub async fn refresh_coco_server_info<R: Runtime>(
     updated_server.id = id.clone();
     updated_server.builtin = is_builtin;
     updated_server.enabled = is_enabled;
-    updated_server.available = true;
+    updated_server.available = {
+        if server.public {
+            // Public Coco servers are available as long as they are online.
+            true
+        } else {
+            // For non-public Coco servers, we still need to check if it is
+            // logged in, i.e., has a token stored in `SERVER_TOKEN_LIST_CACHE`.
+            get_server_token(&id).await.is_some()
+        }
+    };
     updated_server.profile = profile;
     trim_endpoint_last_forward_slash(&mut updated_server);
 
     // Save and persist
-    save_server(&updated_server);
+    save_server(&updated_server).await;
+    try_register_server_to_search_source(app_handle.clone(), &updated_server).await;
     persist_servers(&app_handle)
         .await
         .map_err(|e| format!("Failed to persist servers: {}", e))?;
@@ -363,11 +403,11 @@ pub async fn add_coco_server<R: Runtime>(
 
     let endpoint = endpoint.trim_end_matches('/');
 
-    if check_endpoint_exists(endpoint) {
+    if check_endpoint_exists(endpoint).await {
-        dbg!(format!(
+        log::debug!(
-            "This Coco server has already been registered: {:?}",
+            "trying to register a Coco server [{}] that has already been registered",
-            &endpoint
+            endpoint
-        ));
+        );
         return Err("This Coco server has already been registered.".into());
     }
 
@@ -376,7 +416,16 @@ pub async fn add_coco_server<R: Runtime>(
         .await
         .map_err(|e| format!("Failed to send request to the server: {}", e))?;
 
-    dbg!(format!("Get provider info response: {:?}", &response));
+    log::debug!("Get provider info response: {:?}", &response);
+
+    if response.status() != StatusCode::OK {
+        log::debug!(
+            "trying to register a Coco server [{}] that is possibly down",
+            endpoint
+        );
+
+        return Err("This Coco server is possibly down".into());
+    }
 
     let body = get_response_body_text(response).await?;
 
@@ -385,26 +434,44 @@ pub async fn add_coco_server<R: Runtime>(
 
     trim_endpoint_last_forward_slash(&mut server);
 
+    // The JSON returned from `provider/_info` won't have this field, serde will set
+    // it to an empty string during deserialization, we need to set a valid value here.
     if server.id.is_empty() {
         server.id = pizza_common::utils::uuid::Uuid::new().to_string();
     }
 
+    // Use the default name, if it is not set.
     if server.name.is_empty() {
         server.name = "Coco Server".to_string();
     }
 
-    save_server(&server);
+    // Update the `available` field
+    if server.public {
+        // Serde already sets this to true, but just to make the code clear, do it again.
+        server.available = true;
+    } else {
+        let opt_token = get_server_token(&server.id).await;
+        assert!(
+            opt_token.is_none(),
+            "this Coco server is newly-added, we should have no token stored for it!"
+        );
+        // This is a non-public Coco server, and it is not logged in, so it is unavailable.
+        server.available = false;
+    }
+
+    save_server(&server).await;
     try_register_server_to_search_source(app_handle.clone(), &server).await;
 
     persist_servers(&app_handle)
         .await
         .map_err(|e| format!("Failed to persist Coco servers: {}", e))?;
 
-    dbg!(format!("Successfully registered server: {:?}", &endpoint));
+    log::debug!("Successfully registered server: {:?}", &endpoint);
     Ok(server)
 }
 
 #[tauri::command]
+#[function_name::named]
 pub async fn remove_coco_server<R: Runtime>(
     app_handle: AppHandle<R>,
     id: String,
@@ -412,131 +479,219 @@ pub async fn remove_coco_server<R: Runtime>(
     let registry = app_handle.state::<SearchSourceRegistry>();
     registry.remove_source(id.as_str()).await;
 
-    remove_server_token(id.as_str());
+    let opt_server = remove_server_by_id(id.as_str()).await;
-    remove_server_by_id(id);
+    let Some(server) = opt_server else {
-
+        panic!(
+            "[{}()] invoked with a server [{}] that does not exist! Mismatched states between frontend and backend!",
+            function_name!(),
+            id
+        );
+    };
     persist_servers(&app_handle)
         .await
         .expect("failed to save servers");
-    persist_servers_token(&app_handle).expect("failed to save server tokens");
+
+    // Only non-public Coco servers require tokens
+    if !server.public {
+        // If is logged in, clear the token as well.
+        let deleted = remove_server_token(id.as_str()).await;
+        if deleted {
+            persist_servers_token(&app_handle)
+                .await
+                .expect("failed to save server tokens");
+        }
+    }
+
     Ok(())
 }
 
 #[tauri::command]
+#[function_name::named]
 pub async fn enable_server<R: Runtime>(app_handle: AppHandle<R>, id: String) -> Result<(), ()> {
-    println!("enable_server: {}", id);
+    let opt_server = get_server_by_id(id.as_str()).await;
 
-    let server = get_server_by_id(id.as_str());
+    let Some(mut server) = opt_server else {
-    if let Some(mut server) = server {
+        panic!(
-        server.enabled = true;
+            "[{}()] invoked with a server [{}] that does not exist! Mismatched states between frontend and backend!",
-        save_server(&server);
+            function_name!(),
+            id
+        );
+    };
 
-        // Register the server to the search source
+    server.enabled = true;
-        try_register_server_to_search_source(app_handle.clone(), &server).await;
+    save_server(&server).await;
 
-        persist_servers(&app_handle)
+    // Register the server to the search source
-            .await
+    try_register_server_to_search_source(app_handle.clone(), &server).await;
-            .expect("failed to save servers");
+
-    }
+    persist_servers(&app_handle)
+        .await
+        .expect("failed to save servers");
     Ok(())
 }
 
+#[tauri::command]
+#[function_name::named]
+pub async fn disable_server<R: Runtime>(app_handle: AppHandle<R>, id: String) -> Result<(), ()> {
+    let opt_server = get_server_by_id(id.as_str()).await;
+
+    let Some(mut server) = opt_server else {
+        panic!(
+            "[{}()] invoked with a server [{}] that does not exist! Mismatched states between frontend and backend!",
+            function_name!(),
+            id
+        );
+    };
+
+    server.enabled = false;
+
+    let registry = app_handle.state::<SearchSourceRegistry>();
+    registry.remove_source(id.as_str()).await;
+
+    save_server(&server).await;
+    persist_servers(&app_handle)
+        .await
+        .expect("failed to save servers");
+
+    Ok(())
+}
+
+/// For non-public Coco servers, we add it to the search source as long as it is
+/// enabled.
+///
+/// For public Coco server, an extra token is required.
 pub async fn try_register_server_to_search_source(
     app_handle: AppHandle<impl Runtime>,
     server: &Server,
 ) {
     if server.enabled {
+        log::trace!(
+            "Server [name: {}, id: {}] is public: {} and available: {}",
+            &server.name,
+            &server.id,
+            &server.public,
+            &server.available
+        );
+
+        if !server.public {
+            let opt_token = get_server_token(&server.id).await;
+
+            if opt_token.is_none() {
+                log::debug!("Server {} is not public and no token was found", &server.id);
+                return;
+            }
+        }
+
         let registry = app_handle.state::<SearchSourceRegistry>();
         let source = CocoSearchSource::new(server.clone());
         registry.register_source(source).await;
     }
 }
 
-pub async fn mark_server_as_offline(id: &str) {
+#[function_name::named]
-    // println!("server_is_offline: {}", id);
+#[allow(unused)]
-    let server = get_server_by_id(id);
+async fn mark_server_as_online<R: Runtime>(app_handle: AppHandle<R>, id: &str) {
+    let server = get_server_by_id(id).await;
+    if let Some(mut server) = server {
+        server.available = true;
+        server.health = None;
+        save_server(&server).await;
+
+        try_register_server_to_search_source(app_handle.clone(), &server).await;
+    } else {
+        log::warn!(
+            "[{}()] invoked with a server [{}] that does not exist!",
+            function_name!(),
+            id
+        );
+    }
+}
+
+#[function_name::named]
+pub(crate) async fn mark_server_as_offline<R: Runtime>(app_handle: AppHandle<R>, id: &str) {
+    let server = get_server_by_id(id).await;
     if let Some(mut server) = server {
         server.available = false;
         server.health = None;
-        save_server(&server);
+        save_server(&server).await;
-    }
-}
-
-#[tauri::command]
-pub async fn disable_server<R: Runtime>(app_handle: AppHandle<R>, id: String) -> Result<(), ()> {
-    println!("disable_server: {}", id);
-
-    let server = get_server_by_id(id.as_str());
-    if let Some(mut server) = server {
-        server.enabled = false;
 
         let registry = app_handle.state::<SearchSourceRegistry>();
-        registry.remove_source(id.as_str()).await;
+        registry.remove_source(id).await;
-
+    } else {
-        save_server(&server);
+        log::warn!(
-        persist_servers(&app_handle)
+            "[{}()] invoked with a server [{}] that does not exist!",
-            .await
+            function_name!(),
-            .expect("failed to save servers");
+            id
+        );
     }
-    Ok(())
 }
 
 #[tauri::command]
+#[function_name::named]
 pub async fn logout_coco_server<R: Runtime>(
     app_handle: AppHandle<R>,
     id: String,
 ) -> Result<(), String> {
-    dbg!("Attempting to log out server by id:", &id);
+    log::debug!("Attempting to log out server by id: {}", &id);
-
-    // Check if server token exists
-    if let Some(_token) = get_server_token(id.as_str()).await? {
-        dbg!("Found server token for id:", &id);
-
-        // Remove the server token from cache
-        remove_server_token(id.as_str());
-
-        // Persist the updated tokens
-        if let Err(e) = persist_servers_token(&app_handle) {
-            dbg!("Failed to save tokens for id: {}. Error: {:?}", &id, &e);
-            return Err(format!("Failed to save tokens: {}", &e));
-        }
-    } else {
-        // Log the case where server token is not found
-        dbg!("No server token found for id: {}", &id);
-    }
 
     // Check if the server exists
-    if let Some(mut server) = get_server_by_id(id.as_str()) {
+    let Some(mut server) = get_server_by_id(id.as_str()).await else {
-        dbg!("Found server for id:", &id);
+        panic!(
+            "[{}()] invoked with a server [{}] that does not exist! Mismatched states between frontend and backend!",
+            function_name!(),
+            id
+        );
+    };
 
-        // Clear server profile
+    // Clear server profile
-        server.profile = None;
+    server.profile = None;
-
+    // Logging out from a non-public Coco server makes it unavailable
-        // Save the updated server data
+    if !server.public {
-        save_server(&server);
+        server.available = false;
-
+    }
-        // Persist the updated server data
+    // Save the updated server data
-        if let Err(e) = persist_servers(&app_handle).await {
+    save_server(&server).await;
-            dbg!("Failed to save server for id: {}. Error: {:?}", &id, &e);
+    // Persist the updated server data
-            return Err(format!("Failed to save server: {}", &e));
+    if let Err(e) = persist_servers(&app_handle).await {
-        }
+        log::debug!("Failed to save server for id: {}. Error: {:?}", &id, &e);
-    } else {
+        return Err(format!("Failed to save server: {}", &e));
-        // Log the case where server is not found
-        dbg!("No server found for id: {}", &id);
-        return Err(format!("No server found for id: {}", id));
     }
 
-    dbg!("Successfully logged out server with id:", &id);
+    let has_token = get_server_token(id.as_str()).await.is_some();
+    if server.public {
+        if has_token {
+            panic!("Public Coco server won't have token")
+        }
+    } else {
+        assert!(
+            has_token,
+            "This is a non-public Coco server, and it is logged in, we should have a token"
+        );
+        // Remove the server token from cache
+        remove_server_token(id.as_str()).await;
+
+        // Persist the updated tokens
+        if let Err(e) = persist_servers_token(&app_handle).await {
+            log::debug!("Failed to save tokens for id: {}. Error: {:?}", &id, &e);
+            return Err(format!("Failed to save tokens: {}", &e));
+        }
+    }
+
+    // Remove it from the search source if it becomes unavailable
+    if !server.available {
+        let registry = app_handle.state::<SearchSourceRegistry>();
+        registry.remove_source(id.as_str()).await;
+    }
+
+    log::debug!("Successfully logged out server with id: {}", &id);
     Ok(())
 }
 
-/// Removes the trailing slash from the server's endpoint if present.
+/// Helper function to remove the trailing slash from the server's endpoint if present.
 fn trim_endpoint_last_forward_slash(server: &mut Server) {
-    if server.endpoint.ends_with('/') {
+    let endpoint = &mut server.endpoint;
-        server.endpoint.pop(); // Remove the last character
+    while endpoint.ends_with('/') {
-        while server.endpoint.ends_with('/') {
+        endpoint.pop();
-            server.endpoint.pop();
-        }
     }
 }
 
@@ -545,41 +700,47 @@ fn provider_info_url(endpoint: &str) -> String {
     format!("{endpoint}/provider/_info")
 }
 
-#[test]
+#[cfg(test)]
-fn test_trim_endpoint_last_forward_slash() {
+mod tests {
-    let mut server = Server {
+    use super::*;
-        id: "test".to_string(),
+
-        builtin: false,
+    #[test]
-        enabled: true,
+    fn test_trim_endpoint_last_forward_slash() {
-        name: "".to_string(),
+        let mut server = Server {
-        endpoint: "https://example.com///".to_string(),
+            id: "test".to_string(),
-        provider: Provider {
+            builtin: false,
+            enabled: true,
             name: "".to_string(),
-            icon: "".to_string(),
+            endpoint: "https://example.com///".to_string(),
-            website: "".to_string(),
+            provider: Provider {
-            eula: "".to_string(),
+                name: "".to_string(),
-            privacy_policy: "".to_string(),
+                icon: "".to_string(),
-            banner: "".to_string(),
+                website: "".to_string(),
-            description: "".to_string(),
+                eula: "".to_string(),
-        },
+                privacy_policy: "".to_string(),
-        version: Version {
+                banner: "".to_string(),
-            number: "".to_string(),
+                description: "".to_string(),
-        },
-        minimal_client_version: None,
-        updated: "".to_string(),
-        public: false,
-        available: false,
-        health: None,
-        profile: None,
-        auth_provider: AuthProvider {
-            sso: Sso {
-                url: "".to_string(),
             },
-        },
+            version: Version {
-        priority: 0,
+                number: "".to_string(),
-    };
+            },
+            minimal_client_version: None,
+            updated: "".to_string(),
+            public: false,
+            available: false,
+            health: None,
+            profile: None,
+            auth_provider: AuthProvider {
+                sso: Sso {
+                    url: "".to_string(),
+                },
+            },
+            priority: 0,
+            stats: None,
+        };
 
-    trim_endpoint_last_forward_slash(&mut server);
+        trim_endpoint_last_forward_slash(&mut server);
 
-    assert_eq!(server.endpoint, "https://example.com");
+        assert_eq!(server.endpoint, "https://example.com");
+    }
 }

src-tauri/src/server/synthesize.rs

@@ -0,0 +1,57 @@
+use crate::server::http_client::HttpClient;
+use futures_util::StreamExt;
+use http::Method;
+use serde_json::json;
+use tauri::{AppHandle, Emitter, Runtime, command};
+
+#[command]
+pub async fn synthesize<R: Runtime>(
+    app_handle: AppHandle<R>,
+    client_id: String,
+    server_id: String,
+    voice: String,
+    content: String,
+) -> Result<(), String> {
+    let body = json!({
+        "voice": voice,
+        "content": content,
+    })
+    .to_string();
+
+    let response = HttpClient::send_request(
+        server_id.as_str(),
+        Method::POST,
+        "/services/audio/synthesize",
+        None,
+        None,
+        Some(reqwest::Body::from(body.to_string())),
+    )
+    .await?;
+
+    log::info!("Synthesize response status: {}", response.status());
+
+    if response.status() == 429 {
+        return Ok(());
+    }
+
+    if !response.status().is_success() {
+        return Err(format!("Request Failed: {}", response.status()));
+    }
+
+    let mut stream = response.bytes_stream();
+    while let Some(chunk) = stream.next().await {
+        match chunk {
+            Ok(bytes) => {
+                if let Err(err) = app_handle.emit(&client_id, bytes.to_vec()) {
+                    log::error!("Emit error: {:?}", err);
+                }
+            }
+            Err(e) => {
+                log::error!("Stream error: {:?}", e);
+                break;
+            }
+        }
+    }
+
+    Ok(())
+}

src-tauri/src/server/transcription.rs

@@ -1,43 +1,96 @@
 use crate::common::http::get_response_body_text;
 use crate::server::http_client::HttpClient;
 use serde::{Deserialize, Serialize};
-use serde_json::Value as JsonValue;
+use serde_json::{Value, from_str};
-use std::collections::HashMap;
 use tauri::command;
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct TranscriptionResponse {
-    pub text: String,
+    task_id: String,
+    results: Vec<Value>,
 }
 
 #[command]
 pub async fn transcription(
     server_id: String,
-    audio_type: String,
     audio_content: String,
 ) -> Result<TranscriptionResponse, String> {
-    let mut query_params = HashMap::new();
+    // Send request to initiate transcription task
-    query_params.insert("type".to_string(), JsonValue::String(audio_type));
+    let init_response = HttpClient::post(
-    query_params.insert("content".to_string(), JsonValue::String(audio_content));
-
-    // Send the HTTP POST request
-    let response = HttpClient::post(
         &server_id,
         "/services/audio/transcription",
-        Some(query_params),
         None,
+        Some(audio_content.into()),
     )
-        .await
+    .await
-        .map_err(|e| format!("Error sending transcription request: {}", e))?;
+    .map_err(|e| format!("Failed to initiate transcription: {}", e))?;
 
-    // Use get_response_body_text to extract the response body as text
+    // Extract response body as text
-    let response_body = get_response_body_text(response)
+    let init_response_text = get_response_body_text(init_response)
         .await
-        .map_err(|e| format!("Failed to read response body: {}", e))?;
+        .map_err(|e| format!("Failed to read initial response body: {}", e))?;
 
-    // Deserialize the response body into TranscriptionResponse
+    // Parse response JSON to extract task ID
-    let transcription_response: TranscriptionResponse = serde_json::from_str(&response_body)
+    let init_response_json: Value = from_str(&init_response_text).map_err(|e| {
-        .map_err(|e| format!("Failed to parse transcription response: {}", e))?;
+        format!(
+            "Failed to parse initial response JSON: {}. Raw response: {}",
+            e, init_response_text
+        )
+    })?;
+
+    let transcription_task_id = init_response_json["task_id"]
+        .as_str()
+        .ok_or_else(|| {
+            format!(
+                "Missing or invalid task_id in initial response: {}",
+                init_response_text
+            )
+        })?
+        .to_string();
+
+    // Set up polling with timeout
+    let polling_start = std::time::Instant::now();
+    const POLLING_TIMEOUT: std::time::Duration = std::time::Duration::from_secs(30);
+    const POLLING_INTERVAL: std::time::Duration = std::time::Duration::from_millis(200);
+
+    let mut transcription_response: TranscriptionResponse;
+
+    loop {
+        // Poll for transcription results
+        let poll_response = HttpClient::get(
+            &server_id,
+            &format!("/services/audio/task/{}", transcription_task_id),
+            None,
+        )
+        .await
+        .map_err(|e| format!("Failed to poll transcription task: {}", e))?;
+
+        // Extract poll response body
+        let poll_response_text = get_response_body_text(poll_response)
+            .await
+            .map_err(|e| format!("Failed to read poll response body: {}", e))?;
+
+        // Parse poll response JSON
+        transcription_response = from_str(&poll_response_text).map_err(|e| {
+            format!(
+                "Failed to parse poll response JSON: {}. Raw response: {}",
+                e, poll_response_text
+            )
+        })?;
+
+        // Check if transcription results are available
+        if !transcription_response.results.is_empty() {
+            break;
+        }
+
+        // Check for timeout
+        if polling_start.elapsed() >= POLLING_TIMEOUT {
+            return Err("Transcription task timed out after 30 seconds".to_string());
+        }
+
+        // Wait before next poll
+        tokio::time::sleep(POLLING_INTERVAL).await;
+    }
 
     Ok(transcription_response)
 }

src-tauri/src/server/websocket.rs

@@ -4,12 +4,12 @@ use std::collections::HashMap;
 use std::sync::Arc;
 use tauri::{AppHandle, Emitter, Runtime};
 use tokio::net::TcpStream;
-use tokio::sync::{mpsc, Mutex};
+use tokio::sync::{Mutex, mpsc};
-use tokio_tungstenite::tungstenite::handshake::client::generate_key;
-use tokio_tungstenite::tungstenite::Message;
 use tokio_tungstenite::MaybeTlsStream;
 use tokio_tungstenite::WebSocketStream;
-use tokio_tungstenite::{connect_async_tls_with_config, Connector};
+use tokio_tungstenite::tungstenite::Message;
+use tokio_tungstenite::tungstenite::handshake::client::generate_key;
+use tokio_tungstenite::{Connector, connect_async_tls_with_config};
 #[derive(Default)]
 pub struct WebSocketManager {
     connections: Arc<Mutex<HashMap<String, Arc<WebSocketInstance>>>>,
@@ -53,9 +53,11 @@ pub async fn connect_to_server<R: Runtime>(
     // Disconnect old connection first
     disconnect(client_id.clone(), state.clone()).await.ok();
 
-    let server = get_server_by_id(&id).ok_or(format!("Server with ID {} not found", id))?;
+    let server = get_server_by_id(&id)
+        .await
+        .ok_or(format!("Server with ID {} not found", id))?;
     let endpoint = convert_to_websocket(&server.endpoint)?;
-    let token = get_server_token(&id).await?.map(|t| t.access_token.clone());
+    let token = get_server_token(&id).await.map(|t| t.access_token.clone());
 
     let mut request =
         tokio_tungstenite::tungstenite::client::IntoClientRequest::into_client_request(&endpoint)
@@ -125,6 +127,7 @@ pub async fn connect_to_server<R: Runtime>(
                             let _ = app_handle_clone.emit(&format!("ws-message-{}", client_id_clone), text);
                         },
                         Some(Err(_)) | None => {
+                            log::debug!("WebSocket connection closed or error");
                             let _ = app_handle_clone.emit(&format!("ws-error-{}", client_id_clone), id.clone());
                             break;
                         }
@@ -132,7 +135,8 @@ pub async fn connect_to_server<R: Runtime>(
                     }
                 }
                 _ = cancel_rx.recv() => {
-                    let _ = app_handle_clone.emit(&format!("ws-error-{}", client_id_clone), id.clone());
+                    log::debug!("WebSocket connection cancelled");
+                    let _ = app_handle_clone.emit(&format!("ws-cancel-{}", client_id_clone), id.clone());
                     break;
                 }
             }

src-tauri/src/setup/linux.rs

@@ -1,3 +1,9 @@
 use tauri::{App, WebviewWindow};
 
-pub fn platform(_app: &mut App, _main_window: WebviewWindow, _settings_window: WebviewWindow) {}
+pub fn platform(
+    _app: &mut App,
+    _main_window: WebviewWindow,
+    _settings_window: WebviewWindow,
+    _check_window: WebviewWindow,
+) {
+}

src-tauri/src/setup/mac.rs

@@ -1,6 +1,9 @@
-//credits to: https://github.com/ayangweb/ayangweb-EcoPaste/blob/169323dbe6365ffe4abb64d867439ed2ea84c6d1/src-tauri/src/core/setup/mac.rs
+//! credits to: https://github.com/ayangweb/ayangweb-EcoPaste/blob/169323dbe6365ffe4abb64d867439ed2ea84c6d1/src-tauri/src/core/setup/mac.rs
-use tauri::{ActivationPolicy, App, Emitter, EventTarget, WebviewWindow};
+
-use tauri_nspanel::{cocoa::appkit::NSWindowCollectionBehavior, panel_delegate, WebviewWindowExt};
+use cocoa::appkit::NSWindow;
+use tauri::Manager;
+use tauri::{App, AppHandle, Emitter, EventTarget, WebviewWindow};
+use tauri_nspanel::{WebviewWindowExt, cocoa::appkit::NSWindowCollectionBehavior, panel_delegate};
 
 use crate::common::MAIN_WINDOW_LABEL;
 
@@ -12,9 +15,12 @@ const WINDOW_BLUR_EVENT: &str = "tauri://blur";
 const WINDOW_MOVED_EVENT: &str = "tauri://move";
 const WINDOW_RESIZED_EVENT: &str = "tauri://resize";
 
-pub fn platform(app: &mut App, main_window: WebviewWindow, _settings_window: WebviewWindow) {
+pub fn platform(
-    app.set_activation_policy(ActivationPolicy::Accessory);
+    _app: &mut App,
-
+    main_window: WebviewWindow,
+    _settings_window: WebviewWindow,
+    _check_window: WebviewWindow,
+) {
     // Convert ns_window to ns_panel
     let panel = main_window.to_panel().unwrap();
 
@@ -26,7 +32,7 @@ pub fn platform(app: &mut App, main_window: WebviewWindow, _settings_window: Web
 
     // Share the window across all desktop spaces and full screen
     panel.set_collection_behaviour(
-        NSWindowCollectionBehavior::NSWindowCollectionBehaviorCanJoinAllSpaces
+        NSWindowCollectionBehavior::NSWindowCollectionBehaviorMoveToActiveSpace
             | NSWindowCollectionBehavior::NSWindowCollectionBehaviorStationary
             | NSWindowCollectionBehavior::NSWindowCollectionBehaviorFullScreenAuxiliary,
     );
@@ -75,3 +81,50 @@ pub fn platform(app: &mut App, main_window: WebviewWindow, _settings_window: Web
     // Set the delegate object for the window to handle window events
     panel.set_delegate(delegate);
 }
+
+/// Change NS window attribute between `NSWindowCollectionBehaviorCanJoinAllSpaces`
+/// and `NSWindowCollectionBehaviorMoveToActiveSpace` accordingly.
+///
+/// NOTE: this tauri command is not async because we should run it in the main
+/// thread, or `ns_window.setCollectionBehavior_(collection_behavior)` would lead
+/// to UB.
+#[tauri::command]
+pub(crate) fn toggle_move_to_active_space_attribute(tauri_app_hanlde: AppHandle) {
+    use cocoa::appkit::NSWindowCollectionBehavior;
+    use cocoa::base::id;
+
+    let main_window = tauri_app_hanlde
+        .get_webview_window(MAIN_WINDOW_LABEL)
+        .unwrap();
+    let ns_window = main_window.ns_window().unwrap() as id;
+    let mut collection_behavior = unsafe { ns_window.collectionBehavior() };
+    let join_all_spaces = collection_behavior
+        .contains(NSWindowCollectionBehavior::NSWindowCollectionBehaviorCanJoinAllSpaces);
+    let move_to_active_space = collection_behavior
+        .contains(NSWindowCollectionBehavior::NSWindowCollectionBehaviorMoveToActiveSpace);
+
+    match (join_all_spaces, move_to_active_space) {
+        (true, false) => {
+            collection_behavior
+                .remove(NSWindowCollectionBehavior::NSWindowCollectionBehaviorCanJoinAllSpaces);
+            collection_behavior
+                .insert(NSWindowCollectionBehavior::NSWindowCollectionBehaviorMoveToActiveSpace);
+        }
+        (false, true) => {
+            collection_behavior
+                .remove(NSWindowCollectionBehavior::NSWindowCollectionBehaviorMoveToActiveSpace);
+            collection_behavior
+                .insert(NSWindowCollectionBehavior::NSWindowCollectionBehaviorCanJoinAllSpaces);
+        }
+        _ => {
+            panic!(
+                "invalid NS window attribute, NSWindowCollectionBehaviorCanJoinAllSpaces is set [{}], NSWindowCollectionBehaviorMoveToActiveSpace is set [{}]",
+                join_all_spaces, move_to_active_space
+            );
+        }
+    }
+
+    unsafe {
+        ns_window.setCollectionBehavior_(collection_behavior);
+    }
+}

src-tauri/src/setup/mod.rs

@@ -18,10 +18,20 @@ pub use windows::*;
 #[cfg(target_os = "linux")]
 pub use linux::*;
 
-pub fn default(app: &mut App, main_window: WebviewWindow, settings_window: WebviewWindow) {
+pub fn default(
+    app: &mut App,
+    main_window: WebviewWindow,
+    settings_window: WebviewWindow,
+    check_window: WebviewWindow,
+) {
     // Development mode automatically opens the console: https://tauri.app/develop/debug
-    #[cfg(all(dev, debug_assertions))]
+    #[cfg(debug_assertions)]
     main_window.open_devtools();
 
-    platform(app, main_window.clone(), settings_window.clone());
+    platform(
+        app,
+        main_window.clone(),
+        settings_window.clone(),
+        check_window.clone(),
+    );
 }

src-tauri/src/setup/windows.rs

@@ -1,3 +1,9 @@
 use tauri::{App, WebviewWindow};
 
-pub fn platform(_app: &mut App, _main_window: WebviewWindow, _settings_window: WebviewWindow) {}
+pub fn platform(
+    _app: &mut App,
+    _main_window: WebviewWindow,
+    _settings_window: WebviewWindow,
+    _check_window: WebviewWindow,
+) {
+}

src-tauri/src/shortcut.rs

@@ -1,5 +1,5 @@
-use crate::{hide_coco, show_coco, COCO_TAURI_STORE};
+use crate::{COCO_TAURI_STORE, hide_coco, show_coco};
-use tauri::{async_runtime, App, AppHandle, Manager, Runtime};
+use tauri::{App, AppHandle, Manager, Runtime, async_runtime};
 use tauri_plugin_global_shortcut::{GlobalShortcutExt, Shortcut, ShortcutState};
 use tauri_plugin_store::{JsonValue, StoreExt};
 
@@ -17,6 +17,7 @@ const DEFAULT_SHORTCUT: &str = "ctrl+shift+space";
 
 /// Set up the shortcut upon app start.
 pub fn enable_shortcut(app: &App) {
+    log::trace!("setting up Coco hotkey");
     let store = app
         .store(COCO_TAURI_STORE)
         .expect("creating a store should not fail");
@@ -43,6 +44,7 @@ pub fn enable_shortcut(app: &App) {
             .expect("default shortcut should never be invalid");
         _register_shortcut_upon_start(app, default_shortcut);
     }
+    log::trace!("Coco hotkey has been set");
 }
 
 /// Get the stored shortcut as a string, same as [`_get_shortcut()`], except that
@@ -97,7 +99,7 @@ fn _register_shortcut<R: Runtime>(app: &AppHandle<R>, shortcut: Shortcut) {
         .on_shortcut(shortcut, move |app, scut, event| {
             if scut == &shortcut {
                 dbg!("shortcut pressed");
-                let main_window = app.get_window(MAIN_WINDOW_LABEL).unwrap();
+                let main_window = app.get_webview_window(MAIN_WINDOW_LABEL).unwrap();
                 if let ShortcutState::Pressed = event.state() {
                     let app_handle = app.clone();
                     if main_window.is_visible().unwrap() {
@@ -126,7 +128,7 @@ fn _register_shortcut_upon_start(app: &App, shortcut: Shortcut) {
             tauri_plugin_global_shortcut::Builder::new()
                 .with_handler(move |app, scut, event| {
                     if scut == &shortcut {
-                        let window = app.get_window(MAIN_WINDOW_LABEL).unwrap();
+                        let window = app.get_webview_window(MAIN_WINDOW_LABEL).unwrap();
                         if let ShortcutState::Pressed = event.state() {
                             let app_handle = app.clone();
 

src-tauri/src/util/app_lang.rs

@@ -0,0 +1,62 @@
+//! Configuration entry App language is persisted in the frontend code, but we
+//! need to access it on the backend.
+//!
+//! So we duplicate it here **in the MEMORY** and expose a setter method to the
+//! frontend so that the value can be updated and stay update-to-date.
+
+use function_name::named;
+use tokio::sync::RwLock;
+
+#[derive(Debug, Clone, Copy, PartialEq)]
+#[allow(non_camel_case_types)]
+pub(crate) enum Lang {
+    en_US,
+    zh_CN,
+}
+
+impl std::fmt::Display for Lang {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Lang::en_US => write!(f, "en_US"),
+            Lang::zh_CN => write!(f, "zh_CN"),
+        }
+    }
+}
+
+impl std::str::FromStr for Lang {
+    type Err = String;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "en" => Ok(Lang::en_US),
+            "zh" => Ok(Lang::zh_CN),
+            _ => Err(format!("Invalid language: {}", s)),
+        }
+    }
+}
+
+/// Cache the language config in memory.
+static APP_LANG: RwLock<Option<Lang>> = RwLock::const_new(None);
+
+/// Frontend code uses this interface to update the in-memory cached `APP_LANG` config.
+#[named]
+#[tauri::command]
+pub(crate) async fn update_app_lang(lang: String) {
+    let app_lang = lang.parse::<Lang>().unwrap_or_else(|e| {
+        panic!(
+            "frontend code passes an invalid argument [{}] to interface [{}], parsing error [{}]",
+            lang,
+            function_name!(),
+            e
+        )
+    });
+
+    let mut write_guard = APP_LANG.write().await;
+    *write_guard = Some(app_lang);
+}
+
+/// Helper getter method to handle the `None` case.
+pub(crate) async fn get_app_lang() -> Lang {
+    let opt_lang = *APP_LANG.read().await;
+    opt_lang.expect("frontend code did not invoke [update_app_lang()] to set the APP_LANG")
+}

src-tauri/src/util/file.rs

@@ -0,0 +1,174 @@
+#[derive(Debug, Clone, PartialEq, Copy)]
+pub(crate) enum FileType {
+    Folder,
+    JPEGImage,
+    PNGImage,
+    PDFDocument,
+    PlainTextDocument,
+    MicrosoftWordDocument,
+    MicrosoftExcelSpreadsheet,
+    AudioFile,
+    VideoFile,
+    CHeaderFile,
+    TOMLDocument,
+    RustScript,
+    CSourceCode,
+    MarkdownDocument,
+    TerminalSettings,
+    ZipArchive,
+    Dmg,
+    Html,
+    Json,
+    Xml,
+    Yaml,
+    Css,
+    Vue,
+    React,
+    Sql,
+    Csv,
+    Javascript,
+    Lnk,
+    Typescript,
+    Python,
+    Java,
+    Golang,
+    Ruby,
+    Php,
+    Sass,
+    Sketch,
+    AdobeAi,
+    AdobePsd,
+    AdobePr,
+    AdobeAu,
+    AdobeAe,
+    AdobeLr,
+    AdobeXd,
+    AdobeFl,
+    AdobeId,
+    Svg,
+    Epub,
+    Unknown,
+}
+
+async fn get_file_type(path: &str) -> FileType {
+    let path = camino::Utf8Path::new(path);
+
+    // stat() is more precise than file extension, use it if possible.
+    if path.is_dir() {
+        return FileType::Folder;
+    }
+
+    let Some(ext) = path.extension() else {
+        return FileType::Unknown;
+    };
+
+    let ext = ext.to_lowercase();
+    match ext.as_str() {
+        "pdf" => FileType::PDFDocument,
+        "txt" | "text" => FileType::PlainTextDocument,
+        "doc" | "docx" => FileType::MicrosoftWordDocument,
+        "xls" | "xlsx" => FileType::MicrosoftExcelSpreadsheet,
+        "jpg" | "jpeg" => FileType::JPEGImage,
+        "png" => FileType::PNGImage,
+        "mp3" | "wav" | "flac" | "aac" | "ogg" | "m4a" => FileType::AudioFile,
+        "mp4" | "avi" | "mov" | "mkv" | "wmv" | "flv" | "webm" => FileType::VideoFile,
+        "h" | "hpp" => FileType::CHeaderFile,
+        "c" | "cpp" | "cc" | "cxx" => FileType::CSourceCode,
+        "toml" => FileType::TOMLDocument,
+        "rs" => FileType::RustScript,
+        "md" | "markdown" => FileType::MarkdownDocument,
+        "terminal" => FileType::TerminalSettings,
+        "zip" | "rar" | "7z" | "tar" | "gz" | "bz2" => FileType::ZipArchive,
+        "dmg" => FileType::Dmg,
+        "html" | "htm" => FileType::Html,
+        "json" => FileType::Json,
+        "xml" => FileType::Xml,
+        "yaml" | "yml" => FileType::Yaml,
+        "css" => FileType::Css,
+        "vue" => FileType::Vue,
+        "jsx" | "tsx" => FileType::React,
+        "sql" => FileType::Sql,
+        "csv" => FileType::Csv,
+        "js" | "mjs" => FileType::Javascript,
+        "ts" => FileType::Typescript,
+        "py" | "pyw" => FileType::Python,
+        "java" => FileType::Java,
+        "go" => FileType::Golang,
+        "rb" => FileType::Ruby,
+        "php" => FileType::Php,
+        "sass" | "scss" => FileType::Sass,
+        "sketch" => FileType::Sketch,
+        "ai" => FileType::AdobeAi,
+        "psd" => FileType::AdobePsd,
+        "prproj" => FileType::AdobePr,
+        "aup" | "aup3" => FileType::AdobeAu,
+        "aep" => FileType::AdobeAe,
+        "lrcat" => FileType::AdobeLr,
+        "xd" => FileType::AdobeXd,
+        "fla" => FileType::AdobeFl,
+        "indd" => FileType::AdobeId,
+        "svg" => FileType::Svg,
+        "epub" => FileType::Epub,
+        "lnk" => FileType::Lnk,
+        _ => FileType::Unknown,
+    }
+}
+
+fn type_to_icon(ty: FileType) -> &'static str {
+    match ty {
+        FileType::Folder => "font_file_folder",
+        FileType::JPEGImage => "font_file_image",
+        FileType::PNGImage => "font_file_image",
+        FileType::PDFDocument => "font_file_document_pdf",
+        FileType::PlainTextDocument => "font_file_txt",
+        FileType::MicrosoftWordDocument => "font_file_document_word",
+        FileType::MicrosoftExcelSpreadsheet => "font_file_spreadsheet_excel",
+        FileType::AudioFile => "font_file_audio",
+        FileType::VideoFile => "font_file_video",
+        FileType::CHeaderFile => "font_file_csource",
+        FileType::TOMLDocument => "font_file_toml",
+        FileType::RustScript => "font_file_rustscript1",
+        FileType::CSourceCode => "font_file_csource",
+        FileType::MarkdownDocument => "font_file_markdown",
+        FileType::TerminalSettings => "font_file_terminal1",
+        FileType::ZipArchive => "font_file_zip",
+        FileType::Dmg => "font_file_dmg",
+        FileType::Html => "font_file_html",
+        FileType::Json => "font_file_json",
+        FileType::Xml => "font_file_xml",
+        FileType::Yaml => "font_file_yaml",
+        FileType::Css => "font_file_css",
+        FileType::Vue => "font_file_vue",
+        FileType::React => "font_file_react",
+        FileType::Sql => "font_file_sql",
+        FileType::Csv => "font_file_csv",
+        FileType::Javascript => "font_file_javascript",
+        FileType::Lnk => "font_file_lnk",
+        FileType::Typescript => "font_file_typescript",
+        FileType::Python => "font_file_python",
+        FileType::Java => "font_file_java",
+        FileType::Golang => "font_file_golang",
+        FileType::Ruby => "font_file_ruby",
+        FileType::Php => "font_file_php",
+        FileType::Sass => "font_file_sass",
+        FileType::Sketch => "font_file_sketch",
+        FileType::AdobeAi => "font_file_adobe_ai",
+        FileType::AdobePsd => "font_file_adobe_psd",
+        FileType::AdobePr => "font_file_adobe_pr",
+        FileType::AdobeAu => "font_file_adobe_au",
+        FileType::AdobeAe => "font_file_adobe_ae",
+        FileType::AdobeLr => "font_file_adobe_lr",
+        FileType::AdobeXd => "font_file_adobe_xd",
+        FileType::AdobeFl => "font_file_adobe_fl",
+        FileType::AdobeId => "font_file_adobe_id",
+        FileType::Svg => "font_file_svg",
+        FileType::Epub => "font_file_epub",
+        FileType::Unknown => "font_file_unknown",
+    }
+}
+
+#[tauri::command]
+pub(crate) async fn get_file_icon(path: String) -> &'static str {
+    let ty = get_file_type(path.as_str()).await;
+    type_to_icon(ty)
+}

src-tauri/src/util/mod.rs

@@ -1,10 +1,20 @@
+pub(crate) mod app_lang;
+pub(crate) mod file;
+pub(crate) mod platform;
+pub(crate) mod updater;
+
 use std::{path::Path, process::Command};
 use tauri::{AppHandle, Runtime};
 use tauri_plugin_shell::ShellExt;
 
+/// We use this env variable to determine the DE on Linux.
+const XDG_CURRENT_DESKTOP: &str = "XDG_CURRENT_DESKTOP";
+
+#[derive(Debug, PartialEq)]
 enum LinuxDesktopEnvironment {
     Gnome,
     Kde,
+    Unsupported { xdg_current_desktop: String },
 }
 
 impl LinuxDesktopEnvironment {
@@ -30,6 +40,14 @@ impl LinuxDesktopEnvironment {
                 .arg(path)
                 .output()
                 .map_err(|e| e.to_string())?,
+            Self::Unsupported {
+                xdg_current_desktop,
+            } => {
+                return Err(format!(
+                    "Cannot open apps as this Linux desktop environment [{}] is not supported",
+                    xdg_current_desktop
+                ));
+            }
         };
 
         if !cmd_output.status.success() {
@@ -44,20 +62,23 @@ impl LinuxDesktopEnvironment {
     }
 }
 
+/// None means that it is likely that we do not have a desktop environment.
 fn get_linux_desktop_environment() -> Option<LinuxDesktopEnvironment> {
-    let de_os_str = std::env::var_os("XDG_CURRENT_DESKTOP")?;
+    let de_os_str = std::env::var_os(XDG_CURRENT_DESKTOP)?;
-    let de_str = de_os_str
+    let de_str = de_os_str.into_string().unwrap_or_else(|_os_string| {
-        .into_string()
+        panic!("${} should be UTF-8 encoded", XDG_CURRENT_DESKTOP);
-        .expect("$XDG_CURRENT_DESKTOP should be UTF-8 encoded");
+    });
 
     let de = match de_str.as_str() {
         "GNOME" => LinuxDesktopEnvironment::Gnome,
+        // Ubuntu uses "ubuntu:GNOME" instead of just "GNOME", they really love
+        // their distro name.
+        "ubuntu:GNOME" => LinuxDesktopEnvironment::Gnome,
         "KDE" => LinuxDesktopEnvironment::Kde,
 
-        unsupported_de => unimplemented!(
+        _ => LinuxDesktopEnvironment::Unsupported {
-            "This desktop environment [{}] has not been supported yet",
+            xdg_current_desktop: de_str,
-            unsupported_de
+        },
-        ),
     };
 
     Some(de)
@@ -67,13 +88,12 @@ fn get_linux_desktop_environment() -> Option<LinuxDesktopEnvironment> {
 //
 // tauri_plugin_shell::open() is deprecated, but we still use it.
 #[allow(deprecated)]
-#[tauri::command]
 pub async fn open<R: Runtime>(app_handle: AppHandle<R>, path: String) -> Result<(), String> {
     if cfg!(target_os = "linux") {
         let borrowed_path = Path::new(&path);
         if let Some(file_extension) = borrowed_path.extension() {
             if file_extension == "desktop" {
-                let desktop_environment = get_linux_desktop_environment().expect("The Linux OS is running without a desktop, Coco could never run in such a environment");
+                let desktop_environment = get_linux_desktop_environment().expect("The Linux OS is running without a desktop, Coco could never run in such an environment");
                 return desktop_environment.launch_app_via_desktop_file(path);
             }
         }
@@ -84,3 +104,55 @@ pub async fn open<R: Runtime>(app_handle: AppHandle<R>, path: String) -> Result<
         .open(path, None)
         .map_err(|e| e.to_string())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    // This test modifies env var XDG_CURRENT_DESKTOP, which is kinda unsafe
+    // but considering this is just test, it is ok to do so.
+    #[test]
+    fn test_get_linux_desktop_environment() {
+        // SAFETY: Rust code won't modify/read XDG_CURRENT_DESKTOP concurrently, we
+        // have no guarantee from the underlying C code.
+        unsafe {
+            // Save the original value if it exists
+            let original_value = std::env::var_os(XDG_CURRENT_DESKTOP);
+
+            // Test when XDG_CURRENT_DESKTOP is not set
+            std::env::remove_var(XDG_CURRENT_DESKTOP);
+            assert!(get_linux_desktop_environment().is_none());
+
+            // Test GNOME
+            std::env::set_var(XDG_CURRENT_DESKTOP, "GNOME");
+            let result = get_linux_desktop_environment();
+            assert_eq!(result.unwrap(), LinuxDesktopEnvironment::Gnome);
+
+            // Test ubuntu:GNOME
+            std::env::set_var(XDG_CURRENT_DESKTOP, "ubuntu:GNOME");
+            let result = get_linux_desktop_environment();
+            assert_eq!(result.unwrap(), LinuxDesktopEnvironment::Gnome);
+
+            // Test KDE
+            std::env::set_var(XDG_CURRENT_DESKTOP, "KDE");
+            let result = get_linux_desktop_environment();
+            assert_eq!(result.unwrap(), LinuxDesktopEnvironment::Kde);
+
+            // Test unsupported desktop environment
+            std::env::set_var(XDG_CURRENT_DESKTOP, "XFCE");
+            let result = get_linux_desktop_environment();
+            assert_eq!(
+                result.unwrap(),
+                LinuxDesktopEnvironment::Unsupported {
+                    xdg_current_desktop: "XFCE".into()
+                }
+            );
+
+            // Restore the original value
+            match original_value {
+                Some(value) => std::env::set_var(XDG_CURRENT_DESKTOP, value),
+                None => std::env::remove_var(XDG_CURRENT_DESKTOP),
+            }
+        }
+    }
+}

src-tauri/src/util/platform.rs

@@ -0,0 +1,34 @@
+use derive_more::Display;
+use serde::{Deserialize, Serialize};
+use std::borrow::Cow;
+
+#[derive(Debug, Deserialize, Serialize, Copy, Clone, Hash, PartialEq, Eq, Display)]
+#[serde(rename_all(serialize = "lowercase", deserialize = "lowercase"))]
+pub(crate) enum Platform {
+    #[display("macOS")]
+    Macos,
+    #[display("Linux")]
+    Linux,
+    #[display("windows")]
+    Windows,
+}
+
+impl Platform {
+    /// Helper function to determine the current platform.
+    pub(crate) fn current() -> Platform {
+        let os_str = std::env::consts::OS;
+        serde_plain::from_str(os_str).unwrap_or_else(|_e| {
+        panic!("std::env::consts::OS is [{}], which is not a valid value for [enum Platform], valid values: ['macos', 'linux', 'windows']", os_str)
+      })
+    }
+
+    /// Return the `X-OS-NAME` HTTP request header.
+    pub(crate) fn to_os_name_http_header_str(&self) -> Cow<'static, str> {
+        match self {
+            Self::Macos => Cow::Borrowed("macos"),
+            Self::Windows => Cow::Borrowed("windows"),
+            // For Linux, we need the actual distro `ID`, not just a "linux".
+            Self::Linux => Cow::Owned(sysinfo::System::distribution_id()),
+        }
+    }
+}

src-tauri/src/util/updater.rs

@@ -0,0 +1,87 @@
+use semver::Version;
+use tauri_plugin_updater::RemoteRelease;
+
+/// Helper function to extract the build number out of `version`.
+///
+/// If the version string is in the `x.y.z` format and does not include a build
+/// number, we assume a build number of 0.
+fn extract_build_number(version: &Version) -> u32 {
+    let pre = &version.pre;
+
+    if pre.is_empty() {
+        // A special value for the versions that do not have array
+        0
+    } else {
+        let pre_str = pre.as_str();
+        let build_number_str = {
+            match pre_str.strip_prefix("SNAPSHOT-") {
+                Some(str) => str,
+                None => pre_str,
+            }
+        };
+        let build_number : u32 = build_number_str.parse().unwrap_or_else(|e| {
+            panic!(
+                "invalid build number, cannot parse [{}] to a valid build number, error [{}], version [{}]",
+                build_number_str, e,  version
+            )
+        });
+
+        build_number
+    }
+}
+
+/// # Local version format
+///
+/// Packages built in our CI use the following format:
+///
+///   * `x.y.z-SNAPSHOT-<build number>`
+///   * `x.y.z-<build number>`
+///
+/// If you build Coco from src, the version will be in format `x.y.z`
+///
+/// # Remote version format
+///
+/// `x.y.z-<build number>`
+///
+/// # How we compare versions
+///
+/// We compare versions based solely on the build number.  
+/// If the version string is in the `x.y.z` format and does not include a build number,  
+/// we assume a build number of 0. As a result, such versions are considered older  
+/// than any version with an explicit build number.
+pub(crate) fn custom_version_comparator(local: Version, remote_release: RemoteRelease) -> bool {
+    let remote = remote_release.version;
+
+    let local_build_number = extract_build_number(&local);
+    let remote_build_number = extract_build_number(&remote);
+
+    let should_update = remote_build_number > local_build_number;
+    log::debug!(
+        "custom version comparator invoked, local version [{}], remote version [{}], should update [{}]",
+        local,
+        remote,
+        should_update
+    );
+
+    should_update
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_extract_build_number() {
+        // 0.6.0 => 0
+        let version = Version::parse("0.6.0").unwrap();
+        assert_eq!(extract_build_number(&version), 0);
+
+        // 0.6.0-2371 => 2371
+        let version = Version::parse("0.6.0-2371").unwrap();
+        assert_eq!(extract_build_number(&version), 2371);
+
+        // 0.6.0-SNAPSHOT-2371 => 2371
+        let version = Version::parse("0.6.0-SNAPSHOT-2371").unwrap();
+        assert_eq!(extract_build_number(&version), 2371);
+    }
+}

src-tauri/tauri.appstore.conf.json

@@ -1,4 +1,5 @@
 {
+  "identifier": "rs.coco.app",
   "bundle": {
     "macOS": {
       "entitlements": "./Entitlements.plist",
@@ -7,4 +8,4 @@
       }
     }
   }
-}
+}

src-tauri/tauri.conf.json

@@ -41,7 +41,9 @@
         "title": "Coco AI Settings",
         "url": "/ui/settings",
         "width": 1000,
+        "minWidth": 1000,
         "height": 700,
+        "minHeight": 700,
         "center": true,
         "transparent": true,
         "maximizable": false,
@@ -53,6 +55,26 @@
           "effects": ["sidebar"],
           "state": "active"
         }
+      },
+      {
+        "label": "check",
+        "title": "Coco AI Update",
+        "url": "/ui/check",
+        "width": 340,
+        "minWidth": 340,
+        "height": 260,
+        "minHeight": 260,
+        "center": false,
+        "transparent": true,
+        "maximizable": false,
+        "skipTaskbar": false,
+        "dragDropEnabled": false,
+        "hiddenTitle": true,
+        "visible": false,
+        "windowEffects": {
+          "effects": ["sidebar"],
+          "state": "active"
+        }
       }
     ],
     "security": {
@@ -91,21 +113,7 @@
       "icons/Square310x310Logo.png",
       "icons/StoreLogo.png"
     ],
-    "macOS": {
+    "resources": ["assets/**/*", "icons"]
-      "minimumSystemVersion": "12.0",
-      "hardenedRuntime": true,
-      "dmg": {
-        "appPosition": {
-          "x": 180,
-          "y": 180
-        },
-        "applicationFolderPosition": {
-          "x": 480,
-          "y": 180
-        }
-      }
-    },
-    "resources": ["assets", "icons"]
   },
   "plugins": {
     "features": {

src-tauri/tauri.linux.conf.json

@@ -0,0 +1,15 @@
+{
+  "identifier": "rs.coco.app",
+  "bundle": {
+    "linux": {
+      "deb": {
+        "depends": ["gstreamer1.0-plugins-good"],
+        "desktopTemplate": "./Coco.desktop"
+      },
+      "rpm": {
+        "depends": ["gstreamer1-plugins-good"],
+        "desktopTemplate": "./Coco.desktop"
+      }
+    }
+  }
+}

src-tauri/tauri.macos.conf.json

@@ -0,0 +1,8 @@
+{
+  "identifier": "rs.coco.app",
+  "bundle": {
+    "macOS": {
+      "entitlements": "./Entitlements.plist"
+    }
+  }
+}

src/api/axiosRequest.ts

@@ -96,7 +96,7 @@ export const Get = <T>(
 
 export const Post = <T>(
   url: string,
-  data: IAnyObj,
+  data: IAnyObj | undefined,
   params: IAnyObj = {},
   headers: IAnyObj = {}
 ): Promise<[any, FcResponse<T> | undefined]> => {

src/api/streamFetch.ts

@@ -0,0 +1,63 @@
+export async function streamPost({
+  url,
+  body,
+  queryParams,
+  headers,
+  onMessage,
+  onError,
+}: {
+  url: string;
+  body: any;
+  queryParams?: Record<string, any>;
+  headers?: Record<string, string>;
+  onMessage: (chunk: string) => void;
+  onError?: (err: any) => void;
+}) {
+  const appStore = JSON.parse(localStorage.getItem("app-store") || "{}");
+
+  let baseURL = appStore.state?.endpoint_http;
+  if (!baseURL || baseURL === "undefined") {
+    baseURL = "";
+  }
+
+  const headersStr = localStorage.getItem("headers") || "{}";
+  const headersStorage = JSON.parse(headersStr);
+
+  const query = new URLSearchParams(queryParams || {}).toString();
+  const fullUrl = `${baseURL}${url}?${query}`;
+
+  try {
+    const res = await fetch(fullUrl, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+        ...(headersStorage),
+        ...(headers || {}),
+      },
+      body: JSON.stringify(body),
+    });
+
+    if (!res.ok || !res.body) throw new Error("Stream failed");
+
+    const reader = res.body.getReader();
+    const decoder = new TextDecoder("utf-8");
+    let buffer = "";
+
+    while (true) {
+      const { done, value } = await reader.read();
+      if (done) break;
+
+      buffer += decoder.decode(value, { stream: true });
+
+      const lines = buffer.split("\n");
+      for (let i = 0; i < lines.length - 1; i++) {
+        const line = lines[i].trim();
+        if (line) onMessage(line);
+      }
+      buffer = lines[lines.length - 1];
+    }
+  } catch (err) {
+    console.error("streamPost error:", err);
+    onError?.(err);
+  }
+}

src/api/tauriFetchClient.ts

@@ -1,133 +0,0 @@
-import { fetch } from "@tauri-apps/plugin-http";
-
-import { clientEnv } from "@/utils/env";
-import { useLogStore } from "@/stores/logStore";
-import { get_server_token } from "@/commands";
-interface FetchRequestConfig {
-  url: string;
-  method?: "GET" | "POST" | "PUT" | "DELETE";
-  headers?: Record<string, string>;
-  body?: any;
-  timeout?: number;
-  parseAs?: "json" | "text" | "binary";
-  baseURL?: string;
-}
-
-interface FetchResponse<T = any> {
-  data: T;
-  status: number;
-  statusText: string;
-  headers: Headers;
-}
-
-const timeoutPromise = (ms: number) => {
-  return new Promise<never>((_, reject) =>
-    setTimeout(() => reject(new Error(`Request timed out after ${ms} ms`)), ms)
-  );
-};
-
-export const tauriFetch = async <T = any>({
-  url,
-  method = "GET",
-  headers = {},
-  body,
-  timeout = 30,
-  parseAs = "json",
-  baseURL = clientEnv.COCO_SERVER_URL
-}: FetchRequestConfig): Promise<FetchResponse<T>> => {
-  const addLog = useLogStore.getState().addLog;
-
-  try {
-    const appStore = JSON.parse(localStorage.getItem("app-store") || "{}");
-    const connectStore = JSON.parse(localStorage.getItem("connect-store") || "{}");
-    console.log("baseURL", appStore.state?.endpoint_http)
-
-    baseURL = appStore.state?.endpoint_http || baseURL;
-
-    const authStore = JSON.parse(localStorage.getItem("auth-store") || "{}")
-    const auth = authStore?.state?.auth
-    console.log("auth", auth)
-
-    if (baseURL.endsWith("/")) {
-      baseURL = baseURL.slice(0, -1);
-    }
-
-    if (!url.startsWith("http://") && !url.startsWith("https://")) {
-      // If not, prepend the defaultPrefix
-      url = baseURL + url;
-    }
-
-    if (method !== "GET") {
-      headers["Content-Type"] = "application/json";
-    }
-
-    const server_id = connectStore.state?.currentService?.id || "default_coco_server"
-    const res: any = await get_server_token(server_id);
-
-    headers["X-API-TOKEN"] = headers["X-API-TOKEN"] || res?.access_token || undefined;
-
-    // debug API
-    const requestInfo = {
-      url,
-      method,
-      headers,
-      body,
-      timeout,
-      parseAs,
-    };
-
-    const fetchPromise = fetch(url, {
-      method,
-      headers,
-      body,
-    });
-
-    const response = await Promise.race([
-      fetchPromise,
-      timeoutPromise(timeout * 1000),
-    ]);
-
-    const statusText = response.ok ? "OK" : "Error";
-
-    let data: any;
-    if (parseAs === "json") {
-      data = await response.json();
-    } else if (parseAs === "text") {
-      data = await response.text();
-    } else {
-      data = await response.arrayBuffer();
-    }
-
-    // debug API
-    const log = {
-      request: requestInfo,
-      response: {
-        data,
-        status: response.status,
-        statusText,
-        headers: response.headers,
-      },
-    };
-    addLog(log);
-
-    return log.response;
-  } catch (error) {
-    console.error("Request failed:", error);
-
-    // debug API
-    const log = {
-      request: {
-        url,
-        method,
-        headers,
-        body,
-        timeout,
-        parseAs,
-      },
-      error,
-    };
-    addLog(log);
-
-    throw error;
-  }
-};