diff --git a/talemate_frontend/src/components/CoverImage.vue b/talemate_frontend/src/components/CoverImage.vue
index 40b71baf..524f54ae 100644
--- a/talemate_frontend/src/components/CoverImage.vue
+++ b/talemate_frontend/src/components/CoverImage.vue
@@ -26,6 +26,7 @@
 </template>
 
 <script>
+import { VIS_TYPE } from '@/constants/visual';
 
 export default {
     name: 'CoverImage',
@@ -110,7 +111,7 @@ export default {
                 type: 'upload_scene_asset', 
                 scene_cover_image: this.isScene,
                 character_cover_image: this.isScene ? null : this.target.name,
-                vis_type: this.isScene ? 'SCENE_COVER' : 'CHARACTER_CARD',
+                vis_type: this.isScene ? VIS_TYPE.SCENE_CARD : VIS_TYPE.CHARACTER_CARD,
                 character_name: this.isScene ? null : this.target.name,
                 content: image_file_base64,
             }));
diff --git a/talemate_frontend/src/components/SceneMessages.vue b/talemate_frontend/src/components/SceneMessages.vue
index e487c60c..ca4cb4f2 100644
--- a/talemate_frontend/src/components/SceneMessages.vue
+++ b/talemate_frontend/src/components/SceneMessages.vue
@@ -375,7 +375,7 @@ import VisualReferenceCarousel from './VisualReferenceCarousel.vue';
 import ConfirmActionPrompt from './ConfirmActionPrompt.vue';
 import VisualAssetsMixin from './VisualAssetsMixin.js';
 import RevisionStackMixin from './RevisionStackMixin.js';
-import { isVisualAgentReady } from '../constants/visual.js';
+import { isVisualAgentReady, VIS_TYPE } from '@/constants/visual';
 import { primaryModifierLabel } from '@/utils/keyboardModifiers';
 import {
     getMessageColor as resolveMessageColor,
@@ -392,7 +392,7 @@ const ASSET_SELECT_TYPES = {
         dialogKey: 'avatarSelectDialog',
         requiresCharacter: true,
         getAssetIds(vm, ctx) {
-            const avatars = vm.getCharacterAssets(ctx.character, 'CHARACTER_PORTRAIT');
+            const avatars = vm.getCharacterAssets(ctx.character, VIS_TYPE.CHARACTER_PORTRAIT);
             return avatars.map(a => a.id);
         },
         buildUpdateMessage(dialog) {
@@ -420,7 +420,7 @@ const ASSET_SELECT_TYPES = {
             return Object.entries(vm.assetsMap)
                 .filter(([, asset]) => {
                     const meta = asset?.meta || {};
-                    return meta.vis_type === 'SCENE_ILLUSTRATION' || meta.vis_type === 'SCENE_BACKGROUND';
+                    return meta.vis_type === VIS_TYPE.SCENE_ILLUSTRATION || meta.vis_type === VIS_TYPE.SCENE_BACKGROUND;
                 })
                 .map(([id]) => id);
         },
@@ -447,7 +447,7 @@ const ASSET_SELECT_TYPES = {
             return Object.entries(vm.assetsMap)
                 .filter(([, asset]) => {
                     const meta = asset?.meta || {};
-                    return meta.vis_type === 'CHARACTER_CARD' || meta.vis_type === 'SCENE_CARD';
+                    return meta.vis_type === VIS_TYPE.CHARACTER_CARD || meta.vis_type === VIS_TYPE.SCENE_CARD;
                 })
                 .map(([id]) => id);
         },
diff --git a/talemate_frontend/src/components/SceneToolsVisual.vue b/talemate_frontend/src/components/SceneToolsVisual.vue
index 35730e5a..56bc498d 100644
--- a/talemate_frontend/src/components/SceneToolsVisual.vue
+++ b/talemate_frontend/src/components/SceneToolsVisual.vue
@@ -32,11 +32,11 @@
                 <v-alert type="warning" density="compact" variant="text" class="mb-3 text-caption">Visual agent is not ready for image generation, will output prompt instead.</v-alert>
             </div>
             <!-- environment -->
-            <v-list-item @click="(event) => handleVisualize(null, event, 'SCENE_CARD')" prepend-icon="mdi-image-filter-hdr">
+            <v-list-item @click="(event) => handleVisualize(null, event, VIS_TYPE.SCENE_CARD)" prepend-icon="mdi-image-filter-hdr">
                 <v-list-item-title>Visualize Scene (Card)</v-list-item-title>
                 <v-list-item-subtitle>Generate a cover image of the scene</v-list-item-subtitle>
             </v-list-item>
-            <v-list-item @click="(event) => handleVisualize(null, event, 'SCENE_BACKGROUND')" prepend-icon="mdi-image-filter-hdr">
+            <v-list-item @click="(event) => handleVisualize(null, event, VIS_TYPE.SCENE_BACKGROUND)" prepend-icon="mdi-image-filter-hdr">
                 <v-list-item-title>Visualize Scene (Background)</v-list-item-title>
                 <v-list-item-subtitle>Generate a purely environmental image of the scene</v-list-item-subtitle>
             </v-list-item>
@@ -48,18 +48,18 @@
                     </v-list-item>
                 </template>
                 <v-list>
-                    <v-list-item @click="(event) => handleVisualize(character_name, event, 'CHARACTER_CARD')" prepend-icon="mdi-brush">
+                    <v-list-item @click="(event) => handleVisualize(character_name, event, VIS_TYPE.CHARACTER_CARD)" prepend-icon="mdi-brush">
                         <v-list-item-title>Card</v-list-item-title>
                         <v-list-item-subtitle>Generate a cover image portrait</v-list-item-subtitle>
                     </v-list-item>
-                    <v-list-item @click="(event) => handleVisualize(character_name, event, 'CHARACTER_PORTRAIT')" prepend-icon="mdi-brush">
+                    <v-list-item @click="(event) => handleVisualize(character_name, event, VIS_TYPE.CHARACTER_PORTRAIT)" prepend-icon="mdi-brush">
                         <v-list-item-title>Portrait</v-list-item-title>
                         <v-list-item-subtitle>Generate an image of {{ character_name }}'s face</v-list-item-subtitle>
                     </v-list-item>
                 </v-list>
             </v-menu>
             <!-- scene illustration -->
-            <v-list-item @click="(event) => handleVisualize(null, event, 'SCENE_ILLUSTRATION')" prepend-icon="mdi-image-filter-hdr">
+            <v-list-item @click="(event) => handleVisualize(null, event, VIS_TYPE.SCENE_ILLUSTRATION)" prepend-icon="mdi-image-filter-hdr">
                 <v-list-item-title>Visualize Moment (Illustration)</v-list-item-title>
                 <v-list-item-subtitle>Generate an image of the current moment</v-list-item-subtitle>
             </v-list-item>
@@ -90,7 +90,7 @@
     </v-dialog>
 </template>
 <script>
-import { VIS_TYPE_OPTIONS } from '../constants/visual';
+import { VIS_TYPE, VIS_TYPE_OPTIONS } from '@/constants/visual';
 import { isPrimaryModifier } from '@/utils/keyboardModifiers';
 export default {
     name: 'SceneToolsVisual',
@@ -140,9 +140,10 @@ export default {
             dialogTitle: '',
             dialogPromptOnly: false,
             dialogCharacterName: null,
-            dialogVisType: 'CHARACTER_CARD',
+            dialogVisType: VIS_TYPE.CHARACTER_CARD,
             instructions: '',
             autoAttachAssets: true,
+            VIS_TYPE,
         }
     },
 
@@ -177,13 +178,13 @@ export default {
                 return null;
             }
             
-            if (vis_type === 'CHARACTER_CARD' || vis_type === 'CHARACTER_PORTRAIT') {
+            if (vis_type === VIS_TYPE.CHARACTER_CARD || vis_type === VIS_TYPE.CHARACTER_PORTRAIT) {
                 return `A visual of ${character_name} in the current moment`;
             }
             
             return null;
         },
-        handleVisualize(character_name, event, vis_type = 'CHARACTER_CARD') {
+        handleVisualize(character_name, event, vis_type = VIS_TYPE.CHARACTER_CARD) {
             const ctrlPressed = isPrimaryModifier(event);
             const altPressed = event.altKey;
             
@@ -202,7 +203,7 @@ export default {
             this.generateImage(this.dialogCharacterName, this.dialogPromptOnly, this.instructions, this.dialogVisType);
             this.dialogOpen = false;
         },
-        generateImage(character_name, prompt_only = false, instructions = null, vis_type = 'CHARACTER_CARD') {
+        generateImage(character_name, prompt_only = false, instructions = null, vis_type = VIS_TYPE.CHARACTER_CARD) {
             const payload = {
                 type: 'visual',
                 action: 'visualize',
diff --git a/talemate_frontend/src/components/TalemateApp.vue b/talemate_frontend/src/components/TalemateApp.vue
index 81cfa276..a9322236 100644
--- a/talemate_frontend/src/components/TalemateApp.vue
+++ b/talemate_frontend/src/components/TalemateApp.vue
@@ -392,7 +392,7 @@ import StatusNotification from './StatusNotification.vue';
 import RateLimitAlert from './RateLimitAlert.vue';
 import GenerationErrorDialog from './GenerationErrorDialog.vue';
 import VersionMismatchAlert from './VersionMismatchAlert.vue';
-import { versionsMatch } from '../constants/version.js';
+import { versionsMatch } from '@/constants/version';
 import VisualLibrary from './VisualLibrary.vue';
 import VoiceLibrary from './VoiceLibrary.vue';
 import WorldStateManager from './WorldStateManager.vue';
@@ -410,7 +410,7 @@ import PromptsView from './prompts/PromptsView.vue';
 import PromptsMenu from './prompts/PromptsMenu.vue';
 // import debounce
 import { debounce } from 'lodash';
-import { isVisualAgentReady, isImageEditAvailable, isImageCreateAvailable } from '../constants/visual.js';
+import { isVisualAgentReady, isImageEditAvailable, isImageCreateAvailable } from '@/constants/visual';
 import { createSceneAssetsRequester } from './VisualAssetsMixin.js';
 
 export default {
diff --git a/talemate_frontend/src/components/TemplateVisualStyle.vue b/talemate_frontend/src/components/TemplateVisualStyle.vue
index 6ffa0f94..da9fbe1b 100644
--- a/talemate_frontend/src/components/TemplateVisualStyle.vue
+++ b/talemate_frontend/src/components/TemplateVisualStyle.vue
@@ -107,6 +107,8 @@
 </template>
 
 <script>
+import { VIS_TYPE } from '@/constants/visual';
+
 export default {
     name: 'TemplateVisualStyle',
     props: {
@@ -132,11 +134,11 @@ export default {
             dirty: false,
             visualTypeOptions: [
                 { title: 'Style', value: 'STYLE' },
-                { title: 'Character Card', value: 'CHARACTER_CARD' },
-                { title: 'Character Portrait', value: 'CHARACTER_PORTRAIT' },
-                { title: 'Scene Card', value: 'SCENE_CARD' },
-                { title: 'Scene Background', value: 'SCENE_BACKGROUND' },
-                { title: 'Scene Illustration', value: 'SCENE_ILLUSTRATION' },
+                { title: 'Character Card', value: VIS_TYPE.CHARACTER_CARD },
+                { title: 'Character Portrait', value: VIS_TYPE.CHARACTER_PORTRAIT },
+                { title: 'Scene Card', value: VIS_TYPE.SCENE_CARD },
+                { title: 'Scene Background', value: VIS_TYPE.SCENE_BACKGROUND },
+                { title: 'Scene Illustration', value: VIS_TYPE.SCENE_ILLUSTRATION },
             ],
         }
     },
diff --git a/talemate_frontend/src/components/VersionMismatchAlert.vue b/talemate_frontend/src/components/VersionMismatchAlert.vue
index 9580a5f0..37681d00 100644
--- a/talemate_frontend/src/components/VersionMismatchAlert.vue
+++ b/talemate_frontend/src/components/VersionMismatchAlert.vue
@@ -40,7 +40,7 @@
 </template>
 
 <script>
-import { FRONTEND_VERSION } from '../constants/version.js';
+import { FRONTEND_VERSION } from '@/constants/version';
 
 export default {
     name: 'VersionMismatchAlert',
diff --git a/talemate_frontend/src/components/VisualAssetsTree.vue b/talemate_frontend/src/components/VisualAssetsTree.vue
index ea7a4677..bac3539a 100644
--- a/talemate_frontend/src/components/VisualAssetsTree.vue
+++ b/talemate_frontend/src/components/VisualAssetsTree.vue
@@ -19,6 +19,8 @@
 </template>
 
 <script>
+import { VIS_TYPE } from '@/constants/visual';
+
 export default {
   name: 'VisualAssetsTree',
   props: {
@@ -35,8 +37,8 @@ export default {
       const groups = {};
       for (const [id, asset] of Object.entries(assets)) {
         const meta = (asset && asset.meta) || {};
-        const vis = meta.vis_type || 'UNSPECIFIED';
-        const groupKey = (vis && typeof vis === 'string') ? vis : 'UNSPECIFIED';
+        const vis = meta.vis_type || VIS_TYPE.UNSPECIFIED;
+        const groupKey = (vis && typeof vis === 'string') ? vis : VIS_TYPE.UNSPECIFIED;
         if (!groups[groupKey]) groups[groupKey] = {};
         if (groupKey.startsWith('CHARACTER_')) {
           const charName = meta.character_name || 'Unknown';
diff --git a/talemate_frontend/src/components/VisualImageView.vue b/talemate_frontend/src/components/VisualImageView.vue
index 81d83582..509e8b12 100644
--- a/talemate_frontend/src/components/VisualImageView.vue
+++ b/talemate_frontend/src/components/VisualImageView.vue
@@ -234,7 +234,7 @@
 </template>
 
 <script>
-import { VIS_TYPE_OPTIONS } from '../constants/visual.js';
+import { VIS_TYPE_OPTIONS, FORMAT_TYPE } from '@/constants/visual';
 import { isPrimaryModifier } from '@/utils/keyboardModifiers';
 import VisualReferenceImages from './VisualReferenceImages.vue';
 import CoverBBoxEditor from './CoverBBoxEditor.vue';
@@ -339,8 +339,8 @@ export default {
       return `data:${this.mediaType};base64,${base64}`;
     },
     imagePreviewClass(format) {
-      const fmt = format || 'LANDSCAPE';
-      return fmt === 'PORTRAIT' ? 'img-preview-portrait' : (fmt === 'SQUARE' ? 'img-preview-square' : 'img-preview-wide');
+      const fmt = format || FORMAT_TYPE.LANDSCAPE;
+      return fmt === FORMAT_TYPE.PORTRAIT ? 'img-preview-portrait' : (fmt === FORMAT_TYPE.SQUARE ? 'img-preview-square' : 'img-preview-wide');
     },
     saveMeta() {
       if (!this.canSave) return;
diff --git a/talemate_frontend/src/components/VisualLibrary.vue b/talemate_frontend/src/components/VisualLibrary.vue
index bf40d362..712f43ac 100644
--- a/talemate_frontend/src/components/VisualLibrary.vue
+++ b/talemate_frontend/src/components/VisualLibrary.vue
@@ -181,6 +181,7 @@ import VisualLibraryQueue from './VisualLibraryQueue.vue';
 import VisualLibraryPendingQueue from './VisualLibraryPendingQueue.vue';
 import VisualLibraryScene from './VisualLibraryScene.vue';
 import ConfirmActionPrompt from './ConfirmActionPrompt.vue';
+import { BACKEND_STATUS } from '@/constants/backendStatus';
 
 export default {
   name: 'VisualLibrary',
@@ -257,23 +258,23 @@ export default {
     },
     t2iColor() {
       const status = this.visualMeta?.image_create?.status;
-      if (status === 'BackendStatusType.OK') return 'success';
-      if (status === 'BackendStatusType.WARNING') return 'warning';
-      if (status === 'BackendStatusType.ERROR') return 'error';
+      if (status === BACKEND_STATUS.OK) return 'success';
+      if (status === BACKEND_STATUS.WARNING) return 'warning';
+      if (status === BACKEND_STATUS.ERROR) return 'error';
       return 'grey';
     },
     editColor() {
       const status = this.visualMeta?.image_edit?.status;
-      if (status === 'BackendStatusType.OK') return 'success';
-      if (status === 'BackendStatusType.WARNING') return 'warning';
-      if (status === 'BackendStatusType.ERROR') return 'error';
+      if (status === BACKEND_STATUS.OK) return 'success';
+      if (status === BACKEND_STATUS.WARNING) return 'warning';
+      if (status === BACKEND_STATUS.ERROR) return 'error';
       return 'grey';
     },
     analysisColor() {
       const status = this.visualMeta?.image_analyzation?.status;
-      if (status === 'BackendStatusType.OK') return 'success';
-      if (status === 'BackendStatusType.WARNING') return 'warning';
-      if (status === 'BackendStatusType.ERROR') return 'error';
+      if (status === BACKEND_STATUS.OK) return 'success';
+      if (status === BACKEND_STATUS.WARNING) return 'warning';
+      if (status === BACKEND_STATUS.ERROR) return 'error';
       return 'grey';
     },
     t2iTooltip() {
@@ -378,16 +379,16 @@ export default {
   },
   methods: {
     getStatusIcon(status) {
-      if (status === 'BackendStatusType.OK') return 'mdi-check-circle';
-      if (status === 'BackendStatusType.WARNING') return 'mdi-alert';
-      if (status === 'BackendStatusType.ERROR') return 'mdi-alert';
-      if (status === 'BackendStatusType.DISCONNECTED') return 'mdi-clock-outline';
+      if (status === BACKEND_STATUS.OK) return 'mdi-check-circle';
+      if (status === BACKEND_STATUS.WARNING) return 'mdi-alert';
+      if (status === BACKEND_STATUS.ERROR) return 'mdi-alert';
+      if (status === BACKEND_STATUS.DISCONNECTED) return 'mdi-clock-outline';
       return 'mdi-minus-circle';
     },
     getStatusIconColor(status) {
-      if (status === 'BackendStatusType.OK') return 'success';
-      if (status === 'BackendStatusType.WARNING') return 'warning';
-      if (status === 'BackendStatusType.ERROR') return 'error';
+      if (status === BACKEND_STATUS.OK) return 'success';
+      if (status === BACKEND_STATUS.WARNING) return 'warning';
+      if (status === BACKEND_STATUS.ERROR) return 'error';
       return 'muted';
     },
     open() {
@@ -429,7 +430,7 @@ export default {
       }
     },
     isOkStatus(status) {
-      return status === 'BackendStatusType.OK';
+      return status === BACKEND_STATUS.OK;
     },
     onDiscard(index) {
       if (index == null || index < 0 || index >= this.items.length) return;
diff --git a/talemate_frontend/src/components/VisualLibraryGenerate.vue b/talemate_frontend/src/components/VisualLibraryGenerate.vue
index 46583fce..fb6cf871 100644
--- a/talemate_frontend/src/components/VisualLibraryGenerate.vue
+++ b/talemate_frontend/src/components/VisualLibraryGenerate.vue
@@ -173,7 +173,7 @@
 </template>
 
 <script>
-import { VIS_TYPE_OPTIONS, FORMAT_OPTIONS } from '../constants/visual.js';
+import { VIS_TYPE, VIS_TYPE_OPTIONS, FORMAT_OPTIONS, FORMAT_TYPE, GEN_TYPE } from '@/constants/visual';
 import VisualReferenceImages from './VisualReferenceImages.vue';
 export default {
   name: 'VisualLibraryGenerate',
@@ -237,8 +237,8 @@ export default {
       prompt: '',
       negativePrompt: '',
       instructions: '',
-      visType: 'UNSPECIFIED',
-      format: 'LANDSCAPE',
+      visType: VIS_TYPE.UNSPECIFIED,
+      format: FORMAT_TYPE.LANDSCAPE,
       characterName: '',
       referenceAssets: [],
     };
@@ -344,7 +344,7 @@ export default {
       } else {
         // Prompt mode: use generate endpoint
         // if references are set gen_type should be IMAGE_EDIT
-        const genType = (this.inlineReference != null || this.referenceAssets.length > 0) ? 'IMAGE_EDIT' : 'TEXT_TO_IMAGE';
+        const genType = (this.inlineReference != null || this.referenceAssets.length > 0) ? GEN_TYPE.IMAGE_EDIT : GEN_TYPE.TEXT_TO_IMAGE;
 
         const payload = {
           type: 'visual',
@@ -388,8 +388,8 @@ export default {
           }
           this.prompt = r.prompt || '';
           this.negativePrompt = r.negative_prompt || '';
-          this.visType = r.vis_type || 'UNSPECIFIED';
-          this.format = r.format || 'LANDSCAPE';
+          this.visType = r.vis_type || VIS_TYPE.UNSPECIFIED;
+          this.format = r.format || FORMAT_TYPE.LANDSCAPE;
           this.characterName = r.character_name || '';
           this.referenceAssets = (r.reference_assets && Array.isArray(r.reference_assets)) ? r.reference_assets.slice() : [];
         } else {
@@ -397,8 +397,8 @@ export default {
           this.prompt = '';
           this.negativePrompt = '';
           this.instructions = '';
-          this.visType = 'UNSPECIFIED';
-          this.format = 'LANDSCAPE';
+          this.visType = VIS_TYPE.UNSPECIFIED;
+          this.format = FORMAT_TYPE.LANDSCAPE;
           this.characterName = '';
           this.referenceAssets = [];
         }
diff --git a/talemate_frontend/src/components/VisualLibraryQueue.vue b/talemate_frontend/src/components/VisualLibraryQueue.vue
index 70a15d1b..bdd31090 100644
--- a/talemate_frontend/src/components/VisualLibraryQueue.vue
+++ b/talemate_frontend/src/components/VisualLibraryQueue.vue
@@ -122,6 +122,7 @@ import VisualLibraryGenerate from './VisualLibraryGenerate.vue';
 import ConfirmActionPrompt from './ConfirmActionPrompt.vue';
 import VisualImageView from './VisualImageView.vue';
 import RequestInput from './RequestInput.vue';
+import { VIS_TYPE, FORMAT_TYPE, GEN_TYPE } from '@/constants/visual';
 
 
 export default {
@@ -218,7 +219,7 @@ export default {
     regenerateAvailable() {
       const genType = this.selectedItem && this.selectedItem.request && this.selectedItem.request.gen_type;
       if (!this.canGenerate) return false;
-      if (genType === 'IMAGE_EDIT') return this.editAvailable;
+      if (genType === GEN_TYPE.IMAGE_EDIT) return this.editAvailable;
       return this.generationAvailable;
     },
     hasInstructions() {
@@ -246,8 +247,8 @@ export default {
       return 'data:image/png;base64,' + base64;
     },
     imagePreviewClass(item) {
-      const fmt = item?.request?.format || 'LANDSCAPE';
-      return fmt === 'PORTRAIT' ? 'img-preview-portrait' : (fmt === 'SQUARE' ? 'img-preview-square' : 'img-preview-wide');
+      const fmt = item?.request?.format || FORMAT_TYPE.LANDSCAPE;
+      return fmt === FORMAT_TYPE.PORTRAIT ? 'img-preview-portrait' : (fmt === FORMAT_TYPE.SQUARE ? 'img-preview-square' : 'img-preview-wide');
     },
     discardSelected() {
       if (this.selectedItem == null) return;
@@ -298,7 +299,7 @@ export default {
       const payload = {
         type: 'visual',
         action: 'visualize',
-        vis_type: request.vis_type || 'UNSPECIFIED',
+        vis_type: request.vis_type || VIS_TYPE.UNSPECIFIED,
         prompt_only: !this.generationAvailable,
       };
       if (request.character_name) {
diff --git a/talemate_frontend/src/components/VisualLibraryScene.vue b/talemate_frontend/src/components/VisualLibraryScene.vue
index 988d1a11..2d3c5296 100644
--- a/talemate_frontend/src/components/VisualLibraryScene.vue
+++ b/talemate_frontend/src/components/VisualLibraryScene.vue
@@ -159,6 +159,7 @@ import VisualLibraryUpload from './VisualLibraryUpload.vue';
 import VisualAssetsTree from './VisualAssetsTree.vue';
 import { debounce } from 'lodash';
 import { isPrimaryModifier, primaryModifierLabel } from '@/utils/keyboardModifiers';
+import { VIS_TYPE, FORMAT_TYPE } from '@/constants/visual';
 
 export default {
   name: 'VisualLibraryScene',
@@ -254,8 +255,8 @@ export default {
         if (!asset) continue;
         
         const meta = asset.meta || {};
-        const vis = meta.vis_type || 'UNSPECIFIED';
-        const groupKey = (vis && typeof vis === 'string') ? vis : 'UNSPECIFIED';
+        const vis = meta.vis_type || VIS_TYPE.UNSPECIFIED;
+        const groupKey = (vis && typeof vis === 'string') ? vis : VIS_TYPE.UNSPECIFIED;
         
         // Always open the top-level group folder
         foldersToOpen.add(groupKey);
@@ -314,8 +315,8 @@ export default {
       const initialRequest = {
         prompt: '',
         negative_prompt: '',
-        vis_type: meta.vis_type || 'UNSPECIFIED',
-        format: meta.format || 'LANDSCAPE',
+        vis_type: meta.vis_type || VIS_TYPE.UNSPECIFIED,
+        format: meta.format || FORMAT_TYPE.LANDSCAPE,
         character_name: meta.character_name || '',
         reference_assets: refIds,
       };
@@ -327,8 +328,8 @@ export default {
       const initialRequest = {
         prompt: '',
         negative_prompt: meta.negative_prompt || '',
-        vis_type: meta.vis_type || 'UNSPECIFIED',
-        format: meta.format || 'LANDSCAPE',
+        vis_type: meta.vis_type || VIS_TYPE.UNSPECIFIED,
+        format: meta.format || FORMAT_TYPE.LANDSCAPE,
         character_name: meta.character_name || '',
         reference_assets: [],
       };
diff --git a/talemate_frontend/src/components/VisualLibraryUpload.vue b/talemate_frontend/src/components/VisualLibraryUpload.vue
index b3b4417b..428145a7 100644
--- a/talemate_frontend/src/components/VisualLibraryUpload.vue
+++ b/talemate_frontend/src/components/VisualLibraryUpload.vue
@@ -24,7 +24,7 @@
 </template>
 
 <script>
-import { VIS_TYPE_OPTIONS, isCharacterVisType as isCharacterVisTypeHelper } from '../constants/visual.js';
+import { VIS_TYPE_OPTIONS, isCharacterVisType as isCharacterVisTypeHelper } from '@/constants/visual';
 export default {
   name: 'VisualLibraryUpload',
   inject: ['getWebsocket'],
diff --git a/talemate_frontend/src/components/VisualReferenceImages.vue b/talemate_frontend/src/components/VisualReferenceImages.vue
index 4255f307..23515a57 100644
--- a/talemate_frontend/src/components/VisualReferenceImages.vue
+++ b/talemate_frontend/src/components/VisualReferenceImages.vue
@@ -92,6 +92,8 @@
 
 <script>
 import VisualAssetsTree from './VisualAssetsTree.vue';
+import { VIS_TYPE } from '@/constants/visual';
+
 export default {
   name: 'VisualReferenceImages',
   components: { VisualAssetsTree },
@@ -129,8 +131,8 @@ export default {
       const groups = {};
       for (const [id, asset] of Object.entries(assets)) {
         const meta = (asset && asset.meta) || {};
-        const vis = meta.vis_type || 'UNSPECIFIED';
-        const groupKey = (vis && typeof vis === 'string') ? vis : 'UNSPECIFIED';
+        const vis = meta.vis_type || VIS_TYPE.UNSPECIFIED;
+        const groupKey = (vis && typeof vis === 'string') ? vis : VIS_TYPE.UNSPECIFIED;
         if (!groups[groupKey]) groups[groupKey] = {};
         if (groupKey.startsWith('CHARACTER_')) {
           const charName = meta.character_name || 'Unknown';
@@ -167,7 +169,7 @@ export default {
         const [group, sub] = nodeId.split('::');
         for (const [id, asset] of Object.entries(assets)) {
           const meta = (asset && asset.meta) || {};
-          const vis = meta.vis_type || 'UNSPECIFIED';
+          const vis = meta.vis_type || VIS_TYPE.UNSPECIFIED;
           if (vis !== group) continue;
           if (!sub || sub === '_root') {
             ids.push(id);
diff --git a/talemate_frontend/src/components/WorldStateManager.vue b/talemate_frontend/src/components/WorldStateManager.vue
index 40ec1b25..6bb75efe 100644
--- a/talemate_frontend/src/components/WorldStateManager.vue
+++ b/talemate_frontend/src/components/WorldStateManager.vue
@@ -142,7 +142,7 @@ import WorldStateManagerHistory from './WorldStateManagerHistory.vue';
 import WorldStateManagerSuggestions from './WorldStateManagerSuggestions.vue';
 import GenerationOptions from './GenerationOptions.vue';
 import RequestInput from './RequestInput.vue';
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 
 export default {
diff --git a/talemate_frontend/src/components/WorldStateManagerCharacter.vue b/talemate_frontend/src/components/WorldStateManagerCharacter.vue
index 2a4e6a5e..0c594481 100644
--- a/talemate_frontend/src/components/WorldStateManagerCharacter.vue
+++ b/talemate_frontend/src/components/WorldStateManagerCharacter.vue
@@ -349,7 +349,9 @@ import WorldStateManagerCharacterReinforcements from './WorldStateManagerCharact
 import WorldStateManagerCharacterActor from './WorldStateManagerCharacterActor.vue';
 import WorldStateManagerCharacterCreator from './WorldStateManagerCharacterCreator.vue';
 import WorldStateManagerCharacterVisuals from './WorldStateManagerCharacterVisuals.vue';
-import { MAX_CONTENT_WIDTH, FOLDER_NAME_MAX_LENGTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
+import { FOLDER_NAME_MAX_LENGTH } from '@/constants/character';
+import { VIS_TYPE } from '@/constants/visual';
 import { isPrimaryModifier, primaryModifierLabel } from '@/utils/keyboardModifiers';
 
 export default {
@@ -566,7 +568,7 @@ export default {
             this.getWebsocket().send(JSON.stringify({
                 type: 'visual',
                 action: 'visualize',
-                vis_type: 'CHARACTER_CARD',
+                vis_type: VIS_TYPE.CHARACTER_CARD,
                 character_name: this.character.name,
                 set_cover_image: true,
                 override_character_cover: true,
diff --git a/talemate_frontend/src/components/WorldStateManagerCharacterVisualsAvatar.vue b/talemate_frontend/src/components/WorldStateManagerCharacterVisualsAvatar.vue
index 48a44763..58b3166c 100644
--- a/talemate_frontend/src/components/WorldStateManagerCharacterVisualsAvatar.vue
+++ b/talemate_frontend/src/components/WorldStateManagerCharacterVisualsAvatar.vue
@@ -437,6 +437,7 @@ import VisualReferenceCarousel from './VisualReferenceCarousel.vue';
 import AssetView from './AssetView.vue';
 import EditableList from './EditableList.vue';
 import { computeCharacterReferenceOptions } from '../utils/characterReferenceOptions.js';
+import { VIS_TYPE, FORMAT_TYPE, GEN_TYPE } from '@/constants/visual';
 
 export default {
     name: 'WorldStateManagerCharacterVisualsAvatar',
@@ -491,11 +492,11 @@ export default {
         assets() {
             // Filter assets by CHARACTER_PORTRAIT vis_type and character name
             if (!this.character?.name) return [];
-            return this.getCharacterAssets(this.character.name, 'CHARACTER_PORTRAIT');
+            return this.getCharacterAssets(this.character.name, VIS_TYPE.CHARACTER_PORTRAIT);
         },
         uploadConfig() {
             return {
-                vis_type: 'CHARACTER_PORTRAIT',
+                vis_type: VIS_TYPE.CHARACTER_PORTRAIT,
                 namePrefix: 'avatar',
                 character: this.character,
             };
@@ -542,7 +543,7 @@ export default {
                 this.defaultAvatarId = newVal?.avatar || null;
                 this.currentAvatarId = newVal?.current_avatar || null;
                 this.previousAssetsLength = 0;
-                this.loadAssetsForComponent('CHARACTER_PORTRAIT');
+                this.loadAssetsForComponent(VIS_TYPE.CHARACTER_PORTRAIT);
                 this.checkReferenceAssets();
                 this.hasAttemptedAutoSetDefaultAvatar = false;
             },
@@ -669,7 +670,7 @@ export default {
         checkReferenceAssets() {
             if (!this.character?.name) return;
             
-            const targetVisType = 'CHARACTER_PORTRAIT';
+            const targetVisType = VIS_TYPE.CHARACTER_PORTRAIT;
             const coverImageId = this.character?.cover_image;
             
             // Use the shared helper to compute ordered options
@@ -774,7 +775,7 @@ export default {
             // Store the request for saving later
             this.pendingGenerateNewRequest = {
                 prompt: this.generateNewPromptInput.trim(),
-                vis_type: 'CHARACTER_PORTRAIT',
+                vis_type: VIS_TYPE.CHARACTER_PORTRAIT,
                 character_name: this.character.name,
             };
             
@@ -782,7 +783,7 @@ export default {
             const payload = {
                 type: 'visual',
                 action: 'visualize',
-                vis_type: 'CHARACTER_PORTRAIT',
+                vis_type: VIS_TYPE.CHARACTER_PORTRAIT,
                 character_name: this.character.name,
                 instructions: this.generateNewPromptInput.trim(),
                 // wsh-visualize uses these fields to construct an AssetAttachmentContext via MakeAssetAttachmentContext
@@ -823,9 +824,9 @@ export default {
             this.pendingGenerationRequest = {
                 prompt: this.promptInput.trim(),
                 negative_prompt: null,
-                vis_type: 'CHARACTER_PORTRAIT',
-                gen_type: 'IMAGE_EDIT',
-                format: 'SQUARE',
+                vis_type: VIS_TYPE.CHARACTER_PORTRAIT,
+                gen_type: GEN_TYPE.IMAGE_EDIT,
+                format: FORMAT_TYPE.SQUARE,
                 character_name: this.character.name,
                 reference_assets: [this.selectedReferenceAssetId],
                 inline_reference: null,
@@ -860,9 +861,9 @@ export default {
             const requests = prompts.map((prompt, idx) => ({
                 prompt: prompt,
                 negative_prompt: null,
-                vis_type: 'CHARACTER_PORTRAIT',
-                gen_type: 'IMAGE_EDIT',
-                format: 'SQUARE',
+                vis_type: VIS_TYPE.CHARACTER_PORTRAIT,
+                gen_type: GEN_TYPE.IMAGE_EDIT,
+                format: FORMAT_TYPE.SQUARE,
                 character_name: this.character.name,
                 reference_assets: [this.selectedReferenceAssetId],
                 inline_reference: null,
@@ -895,7 +896,7 @@ export default {
             // Handle asset search results
             if (data.type === 'asset_search_results') {
                 if (data.character_name === this.character?.name &&
-                    data.vis_type === 'CHARACTER_PORTRAIT') {
+                    data.vis_type === VIS_TYPE.CHARACTER_PORTRAIT) {
                     const assetIds = data.asset_ids || [];
 
                     // Apply results directly. Calling checkReferenceAssets() here would
@@ -937,7 +938,7 @@ export default {
                     const matchesCharacter = !request || 
                         (!request.character_name || request.character_name === this.character?.name);
                     const matchesVisType = !request || 
-                        (!request.vis_type || request.vis_type === 'CHARACTER_PORTRAIT');
+                        (!request.vis_type || request.vis_type === VIS_TYPE.CHARACTER_PORTRAIT);
                     
                     if (matchesCharacter && matchesVisType) {
                         // Backend auto-saves when the visualize flow provides an AssetAttachmentContext
@@ -953,7 +954,7 @@ export default {
                 // Check if this is from Generate Variation (IMAGE_EDIT)
                 if (request && base64 &&
                     request.character_name === this.character?.name &&
-                    request.vis_type === 'CHARACTER_PORTRAIT' &&
+                    request.vis_type === VIS_TYPE.CHARACTER_PORTRAIT &&
                     this.isGenerating && this.pendingGenerationRequest) {
                     // Backend auto-saves via GenerationRequest.asset_attachment_context.
                     this.isGenerating = false;
@@ -994,7 +995,7 @@ export default {
     },
     mounted() {
         this.registerMessageHandler(this.handleMessage);
-        this.loadAssetsForComponent('CHARACTER_PORTRAIT');
+        this.loadAssetsForComponent(VIS_TYPE.CHARACTER_PORTRAIT);
         this.checkReferenceAssets();
     },
     unmounted() {
diff --git a/talemate_frontend/src/components/WorldStateManagerCharacterVisualsCover.vue b/talemate_frontend/src/components/WorldStateManagerCharacterVisualsCover.vue
index 0623613a..7a27b621 100644
--- a/talemate_frontend/src/components/WorldStateManagerCharacterVisualsCover.vue
+++ b/talemate_frontend/src/components/WorldStateManagerCharacterVisualsCover.vue
@@ -405,6 +405,7 @@ import VisualReferenceCarousel from './VisualReferenceCarousel.vue';
 import AssetView from './AssetView.vue';
 import EditableList from './EditableList.vue';
 import { computeCharacterReferenceOptions } from '../utils/characterReferenceOptions.js';
+import { VIS_TYPE, FORMAT_TYPE, GEN_TYPE } from '@/constants/visual';
 
 export default {
     name: 'WorldStateManagerCharacterVisualsCover',
@@ -457,7 +458,7 @@ export default {
         assets() {
             // Filter assets by CHARACTER_CARD vis_type and character name
             if (!this.character?.name) return [];
-            return this.getCharacterAssets(this.character.name, 'CHARACTER_CARD');
+            return this.getCharacterAssets(this.character.name, VIS_TYPE.CHARACTER_CARD);
         },
         anyCharacterAssets() {
             // Get ALL assets for this character (any vis_type)
@@ -466,7 +467,7 @@ export default {
         },
         uploadConfig() {
             return {
-                vis_type: 'CHARACTER_CARD',
+                vis_type: VIS_TYPE.CHARACTER_CARD,
                 namePrefix: 'cover',
                 character: this.character,
             };
@@ -508,7 +509,7 @@ export default {
                 const coverImageId = newVal?.cover_image || null;
                 this.selectedAssetId = coverImageId;
                 this.currentCoverImageId = coverImageId;
-                this.loadAssetsForComponent('CHARACTER_CARD');
+                this.loadAssetsForComponent(VIS_TYPE.CHARACTER_CARD);
                 this.checkReferenceAssets();
             },
             immediate: true,
@@ -598,7 +599,7 @@ export default {
         checkReferenceAssets() {
             if (!this.character?.name) return;
             
-            const targetVisType = 'CHARACTER_CARD';
+            const targetVisType = VIS_TYPE.CHARACTER_CARD;
             const avatarId = this.character?.avatar;
             
             // Use the shared helper to compute ordered options
@@ -703,7 +704,7 @@ export default {
             // Store the request for saving later
             this.pendingGenerateNewRequest = {
                 prompt: this.generateNewPromptInput.trim(),
-                vis_type: 'CHARACTER_CARD',
+                vis_type: VIS_TYPE.CHARACTER_CARD,
                 character_name: this.character.name,
             };
             
@@ -711,7 +712,7 @@ export default {
             const payload = {
                 type: 'visual',
                 action: 'visualize',
-                vis_type: 'CHARACTER_CARD',
+                vis_type: VIS_TYPE.CHARACTER_CARD,
                 character_name: this.character.name,
                 instructions: this.generateNewPromptInput.trim(),
             };
@@ -747,9 +748,9 @@ export default {
             this.pendingGenerationRequest = {
                 prompt: this.promptInput.trim(),
                 negative_prompt: null,
-                vis_type: 'CHARACTER_CARD',
-                gen_type: 'IMAGE_EDIT',
-                format: 'PORTRAIT',
+                vis_type: VIS_TYPE.CHARACTER_CARD,
+                gen_type: GEN_TYPE.IMAGE_EDIT,
+                format: FORMAT_TYPE.PORTRAIT,
                 character_name: this.character.name,
                 reference_assets: [this.selectedReferenceAssetId],
                 inline_reference: null,
@@ -775,9 +776,9 @@ export default {
             const requests = prompts.map((prompt, idx) => ({
                 prompt: prompt,
                 negative_prompt: null,
-                vis_type: 'CHARACTER_CARD',
-                gen_type: 'IMAGE_EDIT',
-                format: 'PORTRAIT',
+                vis_type: VIS_TYPE.CHARACTER_CARD,
+                gen_type: GEN_TYPE.IMAGE_EDIT,
+                format: FORMAT_TYPE.PORTRAIT,
                 character_name: this.character.name,
                 reference_assets: [this.selectedReferenceAssetId],
                 inline_reference: null,
@@ -808,7 +809,7 @@ export default {
             // Handle asset search results
             if (data.type === 'asset_search_results') {
                 if (data.character_name === this.character?.name &&
-                    data.vis_type === 'CHARACTER_CARD') {
+                    data.vis_type === VIS_TYPE.CHARACTER_CARD) {
                     const assetIds = data.asset_ids || [];
 
                     // Apply results directly. Calling checkReferenceAssets() here would
@@ -850,7 +851,7 @@ export default {
                     const matchesCharacter = !request || 
                         (!request.character_name || request.character_name === this.character?.name);
                     const matchesVisType = !request || 
-                        (!request.vis_type || request.vis_type === 'CHARACTER_CARD');
+                        (!request.vis_type || request.vis_type === VIS_TYPE.CHARACTER_CARD);
                     
                     if (matchesCharacter && matchesVisType) {
                         // Use the request directly - it contains all the generation details including the generated prompt
@@ -858,13 +859,13 @@ export default {
                         const saveRequest = {
                             ...request,
                             character_name: this.character.name,
-                            vis_type: request?.vis_type || 'CHARACTER_CARD',
+                            vis_type: request?.vis_type || VIS_TYPE.CHARACTER_CARD,
                         };
                         
                         // Save the generated image as a scene asset
                         // If this is the first cover, set reference field to include both CHARACTER_PORTRAIT and CHARACTER_CARD
                         const isFirstCover = this.assets.length === 0;
-                        const reference = isFirstCover ? ['CHARACTER_PORTRAIT', 'CHARACTER_CARD'] : null;
+                        const reference = isFirstCover ? [VIS_TYPE.CHARACTER_PORTRAIT, VIS_TYPE.CHARACTER_CARD] : null;
                         this.saveGeneratedImage(base64, saveRequest, 'cover', reference);
                         
                         this.isGeneratingNew = false;
@@ -878,12 +879,12 @@ export default {
                 // Check if this is from Generate Variation (IMAGE_EDIT)
                 if (request && base64 &&
                     request.character_name === this.character?.name &&
-                    request.vis_type === 'CHARACTER_CARD' &&
+                    request.vis_type === VIS_TYPE.CHARACTER_CARD &&
                     this.isGenerating && this.pendingGenerationRequest) {
                     // Automatically save the generated image as a scene asset
                     // If this is the first cover, set reference field to include both CHARACTER_PORTRAIT and CHARACTER_CARD
                     const isFirstCover = this.assets.length === 0;
-                    const reference = isFirstCover ? ['CHARACTER_PORTRAIT', 'CHARACTER_CARD'] : null;
+                    const reference = isFirstCover ? [VIS_TYPE.CHARACTER_PORTRAIT, VIS_TYPE.CHARACTER_CARD] : null;
                     this.saveGeneratedImage(base64, request, 'cover', reference);
                     
                     this.isGenerating = false;
@@ -915,7 +916,7 @@ export default {
     },
     mounted() {
         this.registerMessageHandler(this.handleMessage);
-        this.loadAssetsForComponent('CHARACTER_CARD');
+        this.loadAssetsForComponent(VIS_TYPE.CHARACTER_CARD);
         this.checkReferenceAssets();
     },
     unmounted() {
diff --git a/talemate_frontend/src/components/WorldStateManagerContextDB.vue b/talemate_frontend/src/components/WorldStateManagerContextDB.vue
index 4ef07824..de9f98c3 100644
--- a/talemate_frontend/src/components/WorldStateManagerContextDB.vue
+++ b/talemate_frontend/src/components/WorldStateManagerContextDB.vue
@@ -206,7 +206,7 @@
 </template>
 
 <script>
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 import { debounce } from 'lodash';
 
 export default {
diff --git a/talemate_frontend/src/components/WorldStateManagerHistory.vue b/talemate_frontend/src/components/WorldStateManagerHistory.vue
index f1eedfb9..8e57dc6e 100644
--- a/talemate_frontend/src/components/WorldStateManagerHistory.vue
+++ b/talemate_frontend/src/components/WorldStateManagerHistory.vue
@@ -137,7 +137,7 @@
 import WorldStateManagerHistoryEntry from './WorldStateManagerHistoryEntry.vue';
 import WorldStateManagerHistoryAdd from './WorldStateManagerHistoryAdd.vue';
 import WorldStateManagerTimePassageEntry from './WorldStateManagerTimePassageEntry.vue';
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 
 export default {
diff --git a/talemate_frontend/src/components/WorldStateManagerHistoryEntry.vue b/talemate_frontend/src/components/WorldStateManagerHistoryEntry.vue
index 2cff316d..fd621770 100644
--- a/talemate_frontend/src/components/WorldStateManagerHistoryEntry.vue
+++ b/talemate_frontend/src/components/WorldStateManagerHistoryEntry.vue
@@ -1,5 +1,5 @@
 <template>
-    <v-card elevation="7" style="max-width: 1600px;" class="mb-2" density="compact">
+    <v-card elevation="7" :style="{ maxWidth: MAX_CONTENT_WIDTH }" class="mb-2" density="compact">
         <v-card-title class="text-body-2 text-grey-lighten-3"><v-icon class="mr-2" size="small" icon="mdi-clock"></v-icon>{{ entry.time }}
             <span v-if="entry.id && hovered" class="text-caption text-grey-darken-1 ml-2">
                 {{ entry.id }}
@@ -107,6 +107,7 @@ class HistoryEntry(pydantic.BaseModel):
 
 import { SceneTextParser } from '@/utils/sceneMessageRenderer';
 import { isPrimaryModifier } from '@/utils/keyboardModifiers';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 import ContextualGenerate from './ContextualGenerate.vue';
 import ConfirmActionInline from './ConfirmActionInline.vue';
 
@@ -132,6 +133,7 @@ export default {
             insertAmount: 1,
             insertUnit: 'hours',
             insertUnits: ['minutes', 'hours', 'days', 'weeks', 'months', 'years'],
+            MAX_CONTENT_WIDTH,
         }
     },
     inject:[
diff --git a/talemate_frontend/src/components/WorldStateManagerMenuCharacterTools.vue b/talemate_frontend/src/components/WorldStateManagerMenuCharacterTools.vue
index 2b6d5c77..0cba178e 100644
--- a/talemate_frontend/src/components/WorldStateManagerMenuCharacterTools.vue
+++ b/talemate_frontend/src/components/WorldStateManagerMenuCharacterTools.vue
@@ -114,7 +114,7 @@
 import CharacterImporter from './CharacterImporter.vue';
 import WorldStateManagerCharacterListItem from './WorldStateManagerCharacterListItem.vue';
 import VisualAssetsMixin from './VisualAssetsMixin.js';
-import { FOLDER_NAME_MAX_LENGTH } from '@/constants';
+import { FOLDER_NAME_MAX_LENGTH } from '@/constants/character';
 
 export default {
     name: "WorldStateManagerMenuCharacterTools",
diff --git a/talemate_frontend/src/components/WorldStateManagerPins.vue b/talemate_frontend/src/components/WorldStateManagerPins.vue
index 410bca01..7f203bf7 100644
--- a/talemate_frontend/src/components/WorldStateManagerPins.vue
+++ b/talemate_frontend/src/components/WorldStateManagerPins.vue
@@ -167,7 +167,7 @@
 </template>
 
 <script>
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 import ConfirmActionInline from './ConfirmActionInline.vue';
 import WorldStateManagerPinConditionGroups from './WorldStateManagerPinConditionGroups.vue';
 
diff --git a/talemate_frontend/src/components/WorldStateManagerScene.vue b/talemate_frontend/src/components/WorldStateManagerScene.vue
index 9ebb17d6..14816b3b 100644
--- a/talemate_frontend/src/components/WorldStateManagerScene.vue
+++ b/talemate_frontend/src/components/WorldStateManagerScene.vue
@@ -111,7 +111,7 @@ import WorldStateManagerSceneExport from './WorldStateManagerSceneExport.vue';
 import WorldStateManagerSceneDirection from './WorldStateManagerSceneDirection.vue';
 import GameState from './GameState.vue';
 import WorldStateManagerSceneSharedWorld from './WorldStateManagerSceneSharedWorld.vue';
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 export default {
     name: "WorldStateManagerScene",
diff --git a/talemate_frontend/src/components/WorldStateManagerSceneDirection.vue b/talemate_frontend/src/components/WorldStateManagerSceneDirection.vue
index 47c2e80e..be359874 100644
--- a/talemate_frontend/src/components/WorldStateManagerSceneDirection.vue
+++ b/talemate_frontend/src/components/WorldStateManagerSceneDirection.vue
@@ -390,7 +390,7 @@
 <script>
 import ConfirmActionInline from './ConfirmActionInline.vue';
 import ContextualGenerate from './ContextualGenerate.vue';
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 const BLANK_SCENE_TYPE = {
     name: '',
diff --git a/talemate_frontend/src/components/WorldStateManagerSceneExport.vue b/talemate_frontend/src/components/WorldStateManagerSceneExport.vue
index 007d4c1d..f694035e 100644
--- a/talemate_frontend/src/components/WorldStateManagerSceneExport.vue
+++ b/talemate_frontend/src/components/WorldStateManagerSceneExport.vue
@@ -77,7 +77,7 @@
 
 </template>
 <script>
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 export default {
     name: 'WorldStateManagerSceneExport',
diff --git a/talemate_frontend/src/components/WorldStateManagerSceneOutline.vue b/talemate_frontend/src/components/WorldStateManagerSceneOutline.vue
index 1f3f1856..b7c2257e 100644
--- a/talemate_frontend/src/components/WorldStateManagerSceneOutline.vue
+++ b/talemate_frontend/src/components/WorldStateManagerSceneOutline.vue
@@ -111,7 +111,7 @@
 <script>
 
 import ContextualGenerate from './ContextualGenerate.vue';
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 export default {
     name: "WorldStateManagerSceneOutline",
diff --git a/talemate_frontend/src/components/WorldStateManagerSceneSettings.vue b/talemate_frontend/src/components/WorldStateManagerSceneSettings.vue
index 107574e6..46da2650 100644
--- a/talemate_frontend/src/components/WorldStateManagerSceneSettings.vue
+++ b/talemate_frontend/src/components/WorldStateManagerSceneSettings.vue
@@ -98,7 +98,7 @@
 <script>
 
 import ConfirmActionPrompt from './ConfirmActionPrompt.vue';
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 export default {
     name: "WorldStateManagerSceneSettings",
diff --git a/talemate_frontend/src/components/WorldStateManagerSceneSharedWorld.vue b/talemate_frontend/src/components/WorldStateManagerSceneSharedWorld.vue
index ce8ba7bf..03e0be3f 100644
--- a/talemate_frontend/src/components/WorldStateManagerSceneSharedWorld.vue
+++ b/talemate_frontend/src/components/WorldStateManagerSceneSharedWorld.vue
@@ -178,7 +178,7 @@
 <script>
 import WorldStateManagerSceneEpisodes from './WorldStateManagerSceneEpisodes.vue';
 import WorldStateManagerSceneSharedContext from './WorldStateManagerSceneSharedContext.vue';
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 export default {
     name: 'WorldStateManagerSceneSharedWorld',
diff --git a/talemate_frontend/src/components/WorldStateManagerSuggestions.vue b/talemate_frontend/src/components/WorldStateManagerSuggestions.vue
index 3f769dd9..7e15b4c9 100644
--- a/talemate_frontend/src/components/WorldStateManagerSuggestions.vue
+++ b/talemate_frontend/src/components/WorldStateManagerSuggestions.vue
@@ -12,7 +12,7 @@
     </div>
 </template>
 <script>
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 import WorldStateManagerSuggestionsCharacter from './WorldStateManagerSuggestionsCharacter.vue';
 
 export default {
diff --git a/talemate_frontend/src/components/WorldStateManagerWorld.vue b/talemate_frontend/src/components/WorldStateManagerWorld.vue
index 6fba8a5b..5da46732 100644
--- a/talemate_frontend/src/components/WorldStateManagerWorld.vue
+++ b/talemate_frontend/src/components/WorldStateManagerWorld.vue
@@ -42,7 +42,7 @@
 
 import WorldStateManagerWorldStates from './WorldStateManagerWorldStates.vue';
 import WorldStateManagerWorldEntries from './WorldStateManagerWorldEntries.vue';
-import { MAX_CONTENT_WIDTH } from '@/constants';
+import { MAX_CONTENT_WIDTH } from '@/constants/layout';
 
 export default {
     name: 'WorldStateManagerWorld',
diff --git a/talemate_frontend/src/constants/backendStatus.js b/talemate_frontend/src/constants/backendStatus.js
new file mode 100644
index 00000000..9d3f0cd7
--- /dev/null
+++ b/talemate_frontend/src/constants/backendStatus.js
@@ -0,0 +1,7 @@
+// Must match str() repr of BackendStatusType in src/talemate/agents/visual/schema.py
+export const BACKEND_STATUS = Object.freeze({
+  OK: 'BackendStatusType.OK',
+  WARNING: 'BackendStatusType.WARNING',
+  ERROR: 'BackendStatusType.ERROR',
+  DISCONNECTED: 'BackendStatusType.DISCONNECTED',
+});
diff --git a/talemate_frontend/src/constants.js b/talemate_frontend/src/constants/character.js
similarity index 75%
rename from talemate_frontend/src/constants.js
rename to talemate_frontend/src/constants/character.js
index 68293094..a84b99f7 100644
--- a/talemate_frontend/src/constants.js
+++ b/talemate_frontend/src/constants/character.js
@@ -1,4 +1,2 @@
-export const MAX_CONTENT_WIDTH = '1600px';
-
 // Must match FOLDER_NAME_MAX_LENGTH in src/talemate/server/world_state_manager/character.py
 export const FOLDER_NAME_MAX_LENGTH = 29;
diff --git a/talemate_frontend/src/constants/layout.js b/talemate_frontend/src/constants/layout.js
new file mode 100644
index 00000000..959f5d7e
--- /dev/null
+++ b/talemate_frontend/src/constants/layout.js
@@ -0,0 +1 @@
+export const MAX_CONTENT_WIDTH = '1600px';
diff --git a/talemate_frontend/src/constants/visual.js b/talemate_frontend/src/constants/visual.js
index 2aeec60f..940ff571 100644
--- a/talemate_frontend/src/constants/visual.js
+++ b/talemate_frontend/src/constants/visual.js
@@ -1,62 +1,73 @@
+import { BACKEND_STATUS } from './backendStatus';
+
+// Must match VIS_TYPE in src/talemate/agents/visual/schema.py
+export const VIS_TYPE = Object.freeze({
+  CHARACTER_CARD: 'CHARACTER_CARD',
+  CHARACTER_PORTRAIT: 'CHARACTER_PORTRAIT',
+  // CHARACTER_SPRITE: 'CHARACTER_SPRITE',
+  SCENE_CARD: 'SCENE_CARD',
+  SCENE_BACKGROUND: 'SCENE_BACKGROUND',
+  SCENE_ILLUSTRATION: 'SCENE_ILLUSTRATION',
+  // ITEM_CARD: 'ITEM_CARD',
+  UNSPECIFIED: 'UNSPECIFIED',
+});
+
 export const VIS_TYPE_OPTIONS = [
-  'CHARACTER_CARD',
-  'CHARACTER_PORTRAIT',
-  //'CHARACTER_SPRITE',
-  'SCENE_CARD',
-  'SCENE_BACKGROUND',
-  'SCENE_ILLUSTRATION',
-  //'ITEM_CARD',
-  'UNSPECIFIED',
+  VIS_TYPE.CHARACTER_CARD,
+  VIS_TYPE.CHARACTER_PORTRAIT,
+  VIS_TYPE.SCENE_CARD,
+  VIS_TYPE.SCENE_BACKGROUND,
+  VIS_TYPE.SCENE_ILLUSTRATION,
+  VIS_TYPE.UNSPECIFIED,
 ];
 
-export const FORMAT_OPTIONS = ['LANDSCAPE', 'PORTRAIT', 'SQUARE'];
+// Must match FORMAT_TYPE in src/talemate/agents/visual/schema.py
+export const FORMAT_TYPE = Object.freeze({
+  LANDSCAPE: 'LANDSCAPE',
+  PORTRAIT: 'PORTRAIT',
+  SQUARE: 'SQUARE',
+});
+
+export const FORMAT_OPTIONS = [
+  FORMAT_TYPE.LANDSCAPE,
+  FORMAT_TYPE.PORTRAIT,
+  FORMAT_TYPE.SQUARE,
+];
+
+// Must match GEN_TYPE in src/talemate/agents/visual/schema.py
+export const GEN_TYPE = Object.freeze({
+  TEXT_TO_IMAGE: 'TEXT_TO_IMAGE',
+  IMAGE_EDIT: 'IMAGE_EDIT',
+  UPLOAD: 'UPLOAD',
+});
 
 export function isCharacterVisType(visType) {
   return (visType || '').startsWith('CHARACTER_');
 }
 
-/**
- * Check if the visual agent is ready (either image_create or image_edit is available)
- * @param {Object} agentStatus - The agent status object
- * @returns {boolean} True if visual agent is ready for image generation
- */
 export function isVisualAgentReady(agentStatus) {
   const visualAgent = agentStatus?.visual;
   if (!visualAgent || !visualAgent.meta) {
     return false;
   }
   return (
-    visualAgent.meta?.image_create?.status === 'BackendStatusType.OK' ||
-    visualAgent.meta?.image_edit?.status === 'BackendStatusType.OK'
+    visualAgent.meta?.image_create?.status === BACKEND_STATUS.OK ||
+    visualAgent.meta?.image_edit?.status === BACKEND_STATUS.OK
   );
 }
 
-/**
- * Check if image editing is available
- * @param {Object} agentStatus - The agent status object
- * @returns {boolean} True if image editing is available
- */
 export function isImageEditAvailable(agentStatus) {
   const visualAgent = agentStatus?.visual;
   if (!visualAgent || !visualAgent.meta) {
     return false;
   }
-  const status = visualAgent.meta?.image_edit?.status;
-  return status === 'BackendStatusType.OK';
+  return visualAgent.meta?.image_edit?.status === BACKEND_STATUS.OK;
 }
 
-/**
- * Check if image creation is available
- * @param {Object} agentStatus - The agent status object
- * @returns {boolean} True if image creation is available
- */
 export function isImageCreateAvailable(agentStatus) {
   const visualAgent = agentStatus?.visual;
   if (!visualAgent || !visualAgent.meta) {
     return false;
   }
-  const status = visualAgent.meta?.image_create?.status;
-  return status === 'BackendStatusType.OK';
+  return visualAgent.meta?.image_create?.status === BACKEND_STATUS.OK;
 }
-
-
diff --git a/talemate_frontend/src/utils/characterReferenceOptions.js b/talemate_frontend/src/utils/characterReferenceOptions.js
index 7b596cba..ae442916 100644
--- a/talemate_frontend/src/utils/characterReferenceOptions.js
+++ b/talemate_frontend/src/utils/characterReferenceOptions.js
@@ -1,11 +1,13 @@
+import { VIS_TYPE } from '@/constants/visual';
+
 /**
  * Shared utility for computing ordered reference asset options for character visuals.
- * 
+ *
  * Orders assets with explicit references first, then other character assets.
  * Prioritizes same-vis-type assets before falling back to any character assets.
  * Returns the initial selection, ordered list, and reason for selection.
- * 
- * @param {string} targetVisType - The target vis_type (e.g., 'CHARACTER_PORTRAIT', 'CHARACTER_CARD')
+ *
+ * @param {string} targetVisType - The target vis_type (a VIS_TYPE value)
  * @param {Array} characterAssets - Array of asset objects with {id, meta, ...} structure (all character assets)
  * @param {string|null} preferredId - Preferred asset ID (e.g., current avatar/cover id)
  * @param {Array|null} sameVisTypeAssets - Optional array of assets with the same vis_type (prioritized first)
@@ -98,7 +100,7 @@ export function computeCharacterReferenceOptions(targetVisType, characterAssets,
             const meta = fallbackAsset?.meta || {};
             if (meta.character_name) {
                 const orderedIds = buildOrderedList([], [], characterAssets, fallbackId, targetVisType);
-                const fallbackType = targetVisType === 'CHARACTER_PORTRAIT' ? 'cover image' : 'avatar';
+                const fallbackType = targetVisType === VIS_TYPE.CHARACTER_PORTRAIT ? 'cover image' : 'avatar';
                 return {
                     selectedId: fallbackId,
                     orderedIds,