chore(prompts): add fix active PR comments prompt with scoped changes (#44996)

## Summary of the Pull Request
Enhance the active PR comments prompt to allow for scoped changes while
removing outdated model references from various prompt files.

## PR Checklist
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

## Detailed Description of the Pull Request / Additional comments
The changes include the addition of a new prompt for fixing active PR
comments with scoped changes, ensuring that only simple fixes are
applied. Additionally, references to the model 'GPT-5.1-Codex-Max' have
been removed from several prompt files to streamline the prompts.

## Validation Steps Performed
Manual validation of the new prompt functionality was conducted to
ensure it correctly identifies and resolves active PR comments.
```

.github/prompts/create-commit-title.prompt.md

@@ -1,6 +1,5 @@
 ---
 agent: 'agent'
-model: 'GPT-5.1-Codex-Max'
 description: 'Generate an 80-character git commit title for the local diff'
 ---
 

.github/prompts/create-pr-summary.prompt.md

@@ -1,6 +1,5 @@
 ---
 agent: 'agent'
-model: 'GPT-5.1-Codex-Max'
 description: 'Generate a PowerToys-ready pull request description from the local diff'
 ---
 

.github/prompts/fix-issue.prompt.md

@@ -1,6 +1,5 @@
 ---
 agent: 'agent'
-model: 'GPT-5.1-Codex-Max'
 description: 'Execute the fix for a GitHub issue using the previously generated implementation plan'
 ---
 

.github/prompts/fix-pr-active-comments.prompt.md

@@ -0,0 +1,70 @@
+---
+description: 'Fix active pull request comments with scoped changes'
+name: 'fix-pr-active-comments'
+agent: 'agent'
+argument-hint: 'PR number or active PR URL'
+---
+
+# Fix Active PR Comments
+
+## Mission
+Resolve active pull request comments by applying only simple fixes. For complex refactors, write a plan instead of changing code.
+
+## Scope & Preconditions
+- You must have an active pull request context or a provided PR number.
+- Only implement simple changes. Do not implement large refactors.
+- If required context is missing, request it and stop.
+
+## Inputs
+- Required: ${input:pr_number:PR number or URL}
+- Optional: ${input:comment_scope:files or areas to focus on}
+- Optional: ${input:fixing_guidelines:additional fixing guidelines from the user}
+
+## Workflow
+1. Locate all active (unresolved) PR review comments for the given PR.
+2. For each comment, classify the change scope:
+   - Simple change: limited edits, localized fix, low risk, no broad redesign.
+   - Large refactor: multi-file redesign, architecture change, or risky behavior change.
+3. For each large refactor request:
+   - Do not modify code.
+   - Write a planning document to Generated Files/prReview/${input:pr_number}/fixPlan/.
+4. For each simple change request:
+   - Implement the fix with minimal edits.
+   - Run quick checks if needed.
+   - Commit and push the change.
+5. For comments that seem invalid, unclear, or not applicable (even if simple):
+   - Do not change code.
+   - Add the item to a summary table in Generated Files/prReview/${input:pr_number}/fixPlan/overview.md.
+   - Consult back to the end user in a friendly, polite tone.
+6. Respond to each comment that you fixed:
+   - Reply in the active conversation.
+   - Use a polite or friendly tone.
+   - Keep the response under 200 words.
+   - Resolve the comment after replying.
+
+## Output Expectations
+- Simple fixes: code changes committed and pushed.
+- Large refactors: a plan file saved to Generated Files/prReview/${input:pr_number}/fixPlan/.
+- Invalid or unclear comments: captured in Generated Files/prReview/${input:pr_number}/fixPlan/overview.md.
+- Each fixed comment has a reply under 200 words and is resolved.
+
+## Plan File Template
+Use this template for each large refactor item:
+
+# Fix Plan: <short title>
+
+## Context
+- Comment link:
+- Impacted areas:
+
+## Overview Table Template
+Use this table in Generated Files/prReview/${input:pr_number}/fixPlan/overview.md:
+
+| Comment link | Summary | Reason not applied | Suggested follow-up |
+| --- | --- | --- | --- |
+|  |  |  |  |
+
+## Quality Assurance
+- Verify plan file path exists.
+- Ensure no code changes were made for large refactor items.
+- Confirm replies are under 200 words and comments are resolved.

.github/prompts/fix-spelling.prompt.md

@@ -1,6 +1,5 @@
 ---
 agent: 'agent'
-model: 'GPT-5.1-Codex-Max'
 description: 'Resolve Code scanning / check-spelling comments on the active PR'
 ---
 

.github/prompts/review-issue.prompt.md

@@ -1,6 +1,5 @@
 ---
 agent: 'agent'
-model: 'GPT-5.1-Codex-Max'
 description: 'Review a GitHub issue, score it (0-100), and generate an implementation plan'
 ---
 

.github/prompts/review-pr.prompt.md

@@ -1,6 +1,5 @@
 ---
 agent: 'agent'
-model: 'GPT-5.1-Codex-Max'
 description: 'Perform a comprehensive PR review with per-step Markdown and machine-readable outputs'
 ---