diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 5ffe431..335fed4 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -17,7 +17,8 @@
       "Bash(grep -n \"templateSlug\\\\|postTemplateSlug\" /Users/gb/Projects/bDS/src/main/engine/*.ts)",
       "Bash(npm test -- tests/renderer/i18nLocaleCompleteness.test.ts)",
       "WebFetch(domain:ricmac.org)",
-      "WebFetch(domain:docs.mistral.ai)"
+      "WebFetch(domain:docs.mistral.ai)",
+      "Bash(npm uninstall dropbox date-fns @testing-library/user-event @types/dagre electron-store memfs)"
     ]
   }
 }
diff --git a/knip.json b/knip.json
new file mode 100644
index 0000000..4078d69
--- /dev/null
+++ b/knip.json
@@ -0,0 +1,55 @@
+{
+  "$schema": "https://unpkg.com/knip@5/schema.json",
+  "entry": [
+    "src/main/main.ts",
+    "src/main/preload.ts",
+    "src/cli/bds-mcp.ts",
+    "src/main/engine/generation.worker.ts",
+    "src/main/engine/pythonMacro.worker.ts",
+    "src/main/engine/blogmarkPython.worker.ts"
+  ],
+  "project": [
+    "src/**/*.{ts,tsx}"
+  ],
+  "ignoreDependencies": [
+    "@ai-sdk/provider",
+    "@electron/notarize",
+    "@floating-ui/dom",
+    "@milkdown/plugin-block",
+    "@milkdown/plugin-clipboard",
+    "@milkdown/plugin-cursor",
+    "@milkdown/plugin-history",
+    "@milkdown/plugin-indent",
+    "@milkdown/plugin-listener",
+    "@milkdown/plugin-trailing",
+    "@milkdown/theme-nord",
+    "d3-cloud",
+    "highlight.js",
+    "lightbox2",
+    "marked",
+    "mdast",
+    "unified",
+    "unist-util-visit",
+    "vanilla-calendar-pro"
+  ],
+  "vitest": {
+    "config": ["vitest.config.ts"],
+    "entry": [
+      "tests/**/*.test.{ts,tsx}",
+      "src/**/*.test.{ts,tsx}",
+      "tests/setup.ts"
+    ]
+  },
+  "eslint": {
+    "config": ["eslint.config.mjs"]
+  },
+  "vite": {
+    "config": ["vite.config.ts", "vite.config.cli.ts"]
+  },
+  "drizzle": {
+    "config": ["drizzle.config.ts"]
+  },
+  "paths": {
+    "@/*": ["src/renderer/*"]
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index 5db0e35..8f1d944 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,9 +36,7 @@
         "ai": "^6.0.105",
         "chokidar": "^5.0.0",
         "d3-cloud": "^1.2.8",
-        "date-fns": "^4.1.0",
         "drizzle-orm": "^0.45.1",
-        "dropbox": "^10.34.0",
         "fast-xml-parser": "^5.3.8",
         "gray-matter": "^4.0.3",
         "lightbox2": "^2.11.5",
@@ -68,9 +66,7 @@
         "@electron/notarize": "^3.1.0",
         "@testing-library/jest-dom": "^6.9.1",
         "@testing-library/react": "^16.3.2",
-        "@testing-library/user-event": "^14.6.1",
         "@types/chokidar": "^1.7.5",
-        "@types/dagre": "^0.7.54",
         "@types/node": "^25.2.3",
         "@types/react": "^19.2.14",
         "@types/react-dom": "^19.2.3",
@@ -85,11 +81,9 @@
         "drizzle-kit": "^0.31.9",
         "electron": "^40.4.0",
         "electron-builder": "^26.7.0",
-        "electron-store": "^11.0.2",
         "eslint": "^9.39.3",
         "eslint-plugin-i18next": "^6.1.3",
         "jsdom": "^28.0.0",
-        "memfs": "^4.6.0",
         "png-to-ico": "^3.0.1",
         "tsx": "^4.6.0",
         "typescript": "^5.3.0",
@@ -3489,436 +3483,6 @@
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-      "version": "17.67.0",
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       "dependencies": {
         "mime-db": "1.52.0"
@@ -12464,19 +11746,6 @@
         "node": ">= 0.6"
       }
     },
-    "node_modules/mimic-function": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/mimic-function/-/mimic-function-5.0.1.tgz",
-      "integrity": "sha512-VP79XUPxV2CigYP3jWwAUFSku2aKqBH7uTAapFWCBqutsbmDo96KY5o8uh6U+/YSIn5OxJnXp73beVkpqMIGhA==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=18"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/mimic-response": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-1.0.1.tgz",
@@ -15213,23 +14482,6 @@
       ],
       "license": "MIT"
     },
-    "node_modules/stubborn-fs": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/stubborn-fs/-/stubborn-fs-2.0.0.tgz",
-      "integrity": "sha512-Y0AvSwDw8y+nlSNFXMm2g6L51rBGdAQT20J3YSOqxC53Lo3bjWRtr2BKcfYoAf352WYpsZSTURrA0tqhfgudPA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "stubborn-utils": "^1.0.1"
-      }
-    },
-    "node_modules/stubborn-utils": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/stubborn-utils/-/stubborn-utils-1.0.2.tgz",
-      "integrity": "sha512-zOh9jPYI+xrNOyisSelgym4tolKTJCQd5GBhK0+0xJvcYDcwlOoxF/rnFKQ2KRZknXSG9jWAp66fwP6AxN9STg==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/style-mod": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/style-mod/-/style-mod-4.1.3.tgz",
@@ -15272,19 +14524,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/tagged-tag": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/tagged-tag/-/tagged-tag-1.0.0.tgz",
-      "integrity": "sha512-yEFYrVhod+hdNyx7g5Bnkkb0G6si8HJurOoOEgC8B/O0uXLHlaey/65KRv6cuWBNhBgHKAROVpc7QyYqE5gFng==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=20"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/tar": {
       "version": "7.5.10",
       "resolved": "https://registry.npmjs.org/tar/-/tar-7.5.10.tgz",
@@ -15373,23 +14612,6 @@
         "node": ">= 10.0.0"
       }
     },
-    "node_modules/thingies": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/thingies/-/thingies-2.5.0.tgz",
-      "integrity": "sha512-s+2Bwztg6PhWUD7XMfeYm5qliDdSiZm7M7n8KjTkIsm3l/2lgVRc2/Gx/v+ZX8lT4FMA+i8aQvhcWylldc+ZNw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=10.18"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/streamich"
-      },
-      "peerDependencies": {
-        "tslib": "^2"
-      }
-    },
     "node_modules/tiny-async-pool": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/tiny-async-pool/-/tiny-async-pool-1.3.0.tgz",
@@ -15552,23 +14774,6 @@
         "node": ">=20.0.0"
       }
     },
-    "node_modules/tree-dump": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/tree-dump/-/tree-dump-1.1.0.tgz",
-      "integrity": "sha512-rMuvhU4MCDbcbnleZTFezWsaZXRFemSqAM+7jPnzUl1fo9w3YEKOxAeui0fz3OI4EU4hf23iyA7uQRVko+UaBA==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "engines": {
-        "node": ">=10.0"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/streamich"
-      },
-      "peerDependencies": {
-        "tslib": "2"
-      }
-    },
     "node_modules/tree-kill": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
@@ -16152,22 +15357,6 @@
         "node": ">= 0.8.0"
       }
     },
-    "node_modules/type-fest": {
-      "version": "5.4.4",
-      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-5.4.4.tgz",
-      "integrity": "sha512-JnTrzGu+zPV3aXIUhnyWJj4z/wigMsdYajGLIYakqyOW1nPllzXEJee0QQbHj+CTIQtXGlAjuK0UY+2xTyjVAw==",
-      "dev": true,
-      "license": "(MIT OR CC0-1.0)",
-      "dependencies": {
-        "tagged-tag": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=20"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/type-is": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.1.tgz",
@@ -16222,19 +15411,6 @@
         "node": ">=14.17"
       }
     },
-    "node_modules/uint8array-extras": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/uint8array-extras/-/uint8array-extras-1.5.0.tgz",
-      "integrity": "sha512-rvKSBiC5zqCCiDZ9kAOszZcDvdAHwwIKJG33Ykj43OKcWsnmcBRL09YTU4nOeHZ8Y2a7l1MgTd08SBe9A8Qj6A==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=18"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/undici": {
       "version": "7.21.0",
       "resolved": "https://registry.npmjs.org/undici/-/undici-7.21.0.tgz",
@@ -17302,13 +16478,6 @@
         "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
       }
     },
-    "node_modules/when-exit": {
-      "version": "2.1.5",
-      "resolved": "https://registry.npmjs.org/when-exit/-/when-exit-2.1.5.tgz",
-      "integrity": "sha512-VGkKJ564kzt6Ms1dbgPP/yuIoQCrsFAnRbptpC5wOEsDaNsbCB2bnfnaA8i/vRs5tjUSEOtIuvl9/MyVsvQZCg==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
diff --git a/package.json b/package.json
index 0eb23bd..caef10f 100644
--- a/package.json
+++ b/package.json
@@ -41,9 +41,7 @@
     "@electron/notarize": "^3.1.0",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.2",
-    "@testing-library/user-event": "^14.6.1",
     "@types/chokidar": "^1.7.5",
-    "@types/dagre": "^0.7.54",
     "@types/node": "^25.2.3",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
@@ -58,11 +56,9 @@
     "drizzle-kit": "^0.31.9",
     "electron": "^40.4.0",
     "electron-builder": "^26.7.0",
-    "electron-store": "^11.0.2",
     "eslint": "^9.39.3",
     "eslint-plugin-i18next": "^6.1.3",
     "jsdom": "^28.0.0",
-    "memfs": "^4.6.0",
     "png-to-ico": "^3.0.1",
     "tsx": "^4.6.0",
     "typescript": "^5.3.0",
@@ -98,9 +94,7 @@
     "ai": "^6.0.105",
     "chokidar": "^5.0.0",
     "d3-cloud": "^1.2.8",
-    "date-fns": "^4.1.0",
     "drizzle-orm": "^0.45.1",
-    "dropbox": "^10.34.0",
     "fast-xml-parser": "^5.3.8",
     "gray-matter": "^4.0.3",
     "lightbox2": "^2.11.5",
@@ -136,6 +130,10 @@
     "appId": "com.bds.blogging-desktop-server",
     "productName": "Blogging Desktop Server",
     "asar": true,
+    "asarUnpack": [
+      "node_modules/onnxruntime-node/**",
+      "node_modules/usearch/**"
+    ],
     "afterSign": "scripts/notarize.mjs",
     "directories": {
       "output": "release"
diff --git a/src/main/config/macroConfig.ts b/src/main/config/macroConfig.ts
index fcdbea7..557b95a 100644
--- a/src/main/config/macroConfig.ts
+++ b/src/main/config/macroConfig.ts
@@ -23,7 +23,7 @@ export interface MacroConfig {
  * Registry of known macro configurations.
  * Add new macros here to enable validation during import analysis.
  */
-export const macroConfigs: MacroConfig[] = [
+const macroConfigs: MacroConfig[] = [
   {
     name: 'youtube',
     description: 'Embeds a YouTube video player',
@@ -105,43 +105,3 @@ export function getMacroConfigMap(): Map<string, MacroConfig> {
   return map;
 }
 
-/**
- * Validate macro parameters against known configurations.
- * 
- * @param macroName - The macro name
- * @param params - The macro parameters
- * @returns Error message if invalid, undefined if valid or macro is unknown
- */
-export function validateMacroParams(
-  macroName: string,
-  params: Record<string, string>
-): { valid: boolean; error?: string; known: boolean } {
-  const config = getMacroConfigMap().get(macroName.toLowerCase());
-  
-  if (!config) {
-    return { valid: false, known: false };
-  }
-  
-  // Check required parameters
-  if (config.requiredParams) {
-    for (const param of config.requiredParams) {
-      if (!params[param]) {
-        return { 
-          valid: false, 
-          known: true, 
-          error: `Missing required parameter: ${param}` 
-        };
-      }
-    }
-  }
-  
-  // Run custom validation if provided
-  if (config.validate) {
-    const error = config.validate(params);
-    if (error) {
-      return { valid: false, known: true, error };
-    }
-  }
-  
-  return { valid: true, known: true };
-}
diff --git a/src/main/engine/BlogGenerationOutputService.ts b/src/main/engine/BlogGenerationOutputService.ts
index 12314b1..0c6a6e9 100644
--- a/src/main/engine/BlogGenerationOutputService.ts
+++ b/src/main/engine/BlogGenerationOutputService.ts
@@ -43,11 +43,11 @@ export function urlPathToHtmlIndexPath(htmlDir: string, urlPath: string): string
   return path.join(htmlDir, normalizedPath.slice(1), 'index.html');
 }
 
-export function computeContentHash(content: string): string {
+function computeContentHash(content: string): string {
   return crypto.createHash('sha256').update(content).digest('hex');
 }
 
-export function computeBufferHash(content: Buffer): string {
+function computeBufferHash(content: Buffer): string {
   return crypto.createHash('sha256').update(content).digest('hex');
 }
 
diff --git a/src/main/engine/EmbeddingEngine.ts b/src/main/engine/EmbeddingEngine.ts
index c8b01dd..9dfe17a 100644
--- a/src/main/engine/EmbeddingEngine.ts
+++ b/src/main/engine/EmbeddingEngine.ts
@@ -46,6 +46,8 @@ export interface DuplicatePair {
 export interface EmbeddingEngineDeps {
   /** Return the path to the USearch index file for a project */
   getIndexPath: (projectId: string) => string;
+  /** Writable directory for caching downloaded models (must be outside app.asar) */
+  modelCacheDir: string;
   /** Create the embedding pipeline (dependency-injected for tests) */
   createPipeline?: () => Promise<EmbeddingPipeline>;
 }
@@ -104,8 +106,9 @@ export class EmbeddingEngine extends EventEmitter {
     // Dynamic import to avoid loading heavy ONNX runtime at startup
     const { pipeline, env } = await import('@huggingface/transformers');
 
-    // Configure cache for Electron -- use ~/.cache/huggingface
+    // Configure cache for Electron -- point to writable userData dir (not app.asar)
     env.useFSCache = true;
+    env.cacheDir = this.deps.modelCacheDir;
 
     const extractor = await pipeline('feature-extraction', this.MODEL_ID, {
       dtype: 'fp32',
diff --git a/src/main/engine/MetaEngine.ts b/src/main/engine/MetaEngine.ts
index ee04d77..05b9a6a 100644
--- a/src/main/engine/MetaEngine.ts
+++ b/src/main/engine/MetaEngine.ts
@@ -144,19 +144,9 @@ function normalizeProjectMetadata(metadata: ProjectMetadata): ProjectMetadata {
 /**
  * Default categories for new projects (from VISION.md)
  */
-export const DEFAULT_CATEGORIES = ['article', 'picture', 'aside', 'page'];
+const DEFAULT_CATEGORIES = ['article', 'picture', 'aside', 'page'];
 
-export function getDefaultCategorySettings(): Record<string, CategoryRenderSettings> {
-  const defaults = getDefaultCategoryMetadata();
-  return Object.fromEntries(
-    Object.entries(defaults).map(([category, value]) => [
-      category,
-      { renderInLists: value.renderInLists, showTitle: value.showTitle },
-    ]),
-  );
-}
-
-export function getDefaultCategoryMetadata(): Record<string, CategoryMetadata> {
+function getDefaultCategoryMetadata(): Record<string, CategoryMetadata> {
   return {
     article: { renderInLists: true, showTitle: true, title: 'article' },
     picture: { renderInLists: true, showTitle: true, title: 'picture' },
diff --git a/src/main/engine/PageRenderer.ts b/src/main/engine/PageRenderer.ts
index a22558e..b494faf 100644
--- a/src/main/engine/PageRenderer.ts
+++ b/src/main/engine/PageRenderer.ts
@@ -244,7 +244,7 @@ export interface TagUsageEntry {
 
 export type TagCloudOrientationMode = 'horizontal' | 'mixed-hv' | 'mixed-diagonal';
 
-export function normalizeTagCloudOrientation(value: string | undefined): TagCloudOrientationMode {
+function normalizeTagCloudOrientation(value: string | undefined): TagCloudOrientationMode {
   const normalized = (value || '').trim().toLowerCase();
 
   if (normalized === 'mixed_hv' || normalized === 'mixed-hv' || normalized === 'hv' || normalized === 'horizontal_vertical') {
@@ -376,7 +376,7 @@ export function resolvePageTitle(metadata: { description?: string; name?: string
   return 'Blog Preview';
 }
 
-export function escapeHtml(value: string): string {
+function escapeHtml(value: string): string {
   return value
     .replace(/&/g, '&amp;')
     .replace(/</g, '&lt;')
@@ -385,7 +385,7 @@ export function escapeHtml(value: string): string {
     .replace(/'/g, '&#39;');
 }
 
-export function parseMacroParams(paramString: string | undefined): Record<string, string> {
+function parseMacroParams(paramString: string | undefined): Record<string, string> {
   if (!paramString) return {};
 
   const params: Record<string, string> = {};
@@ -399,7 +399,7 @@ export function parseMacroParams(paramString: string | undefined): Record<string
   return params;
 }
 
-export function parseIntegerParam(value: string | undefined): number | null {
+function parseIntegerParam(value: string | undefined): number | null {
   if (!value) return null;
   const parsed = Number.parseInt(value, 10);
   return Number.isInteger(parsed) ? parsed : null;
@@ -514,13 +514,13 @@ function renderMacroTemplate(templateName: string, context: Record<string, unkno
   return macroLiquid.parseAndRenderSync(readMacroTemplateSource(templateName), context);
 }
 
-export function buildCanonicalMediaPath(media: MediaData): string {
+function buildCanonicalMediaPath(media: MediaData): string {
   const year = media.createdAt.getFullYear();
   const month = String(media.createdAt.getMonth() + 1).padStart(2, '0');
   return `/media/${year}/${month}/${media.filename}`;
 }
 
-export function isRenderableImage(media: MediaData): boolean {
+function isRenderableImage(media: MediaData): boolean {
   if (media.mimeType?.toLowerCase().startsWith('image/')) {
     return true;
   }
@@ -529,7 +529,7 @@ export function isRenderableImage(media: MediaData): boolean {
   return ['.jpg', '.jpeg', '.png', '.gif', '.webp', '.svg', '.bmp', '.avif'].includes(extension);
 }
 
-export function buildPhotoArchiveBuckets(
+function buildPhotoArchiveBuckets(
   mediaItems: MediaData[],
   params: Record<string, string>,
 ): Array<{ year: number; month: number; media: MediaData[] }> {
@@ -580,7 +580,7 @@ export function buildPhotoArchiveBuckets(
   return orderedBuckets;
 }
 
-export function renderGalleryMacro(
+function renderGalleryMacro(
   params: Record<string, string>,
   postId: string,
   mediaItems: MediaData[],
@@ -621,7 +621,7 @@ export function renderGalleryMacro(
   });
 }
 
-export function renderPhotoArchiveMacro(
+function renderPhotoArchiveMacro(
   params: Record<string, string>,
   mediaItems: MediaData[],
   renderLanguage: string,
@@ -678,7 +678,7 @@ export function renderPhotoArchiveMacro(
   });
 }
 
-export function renderTagCloudMacro(params: Record<string, string>, tagUsage: TagUsageEntry[], renderLanguage: string): string {
+function renderTagCloudMacro(params: Record<string, string>, tagUsage: TagUsageEntry[], renderLanguage: string): string {
   const language = resolveRenderLanguageFromProjectPreferences(renderLanguage);
   const widthParam = parseIntegerParam(params.width);
   const heightParam = parseIntegerParam(params.height);
@@ -727,14 +727,14 @@ export function renderTagCloudMacro(params: Record<string, string>, tagUsage: Ta
   });
 }
 
-export function isExternalOrSpecialUrl(value: string): boolean {
+function isExternalOrSpecialUrl(value: string): boolean {
   const normalized = value.trim();
   if (!normalized) return false;
   if (normalized.startsWith('#') || normalized.startsWith('//')) return true;
   return /^[a-z][a-z0-9+.-]*:/i.test(normalized);
 }
 
-export function splitPathSuffix(value: string): { pathPart: string; suffix: string } {
+function splitPathSuffix(value: string): { pathPart: string; suffix: string } {
   const match = value.match(/^([^?#]*)([?#].*)?$/);
   return {
     pathPart: match?.[1] ?? value,
@@ -802,7 +802,7 @@ export function normalizePreviewHref(rawHref: string, rewriteContext: HtmlRewrit
   return rawHref;
 }
 
-export function normalizePreviewSrc(rawSrc: string, rewriteContext: HtmlRewriteContext): string {
+function normalizePreviewSrc(rawSrc: string, rewriteContext: HtmlRewriteContext): string {
   if (!rawSrc || isExternalOrSpecialUrl(rawSrc)) {
     return rawSrc;
   }
@@ -891,7 +891,7 @@ export function isBuiltInMacro(name: string): boolean {
   return JS_BUILTIN_MACROS.has(normalizeMacroName(name));
 }
 
-export function serializePostDataForMacro(post: PostData): Record<string, unknown> {
+function serializePostDataForMacro(post: PostData): Record<string, unknown> {
   return {
     id: post.id,
     projectId: post.projectId,
@@ -1019,21 +1019,21 @@ export function buildCanonicalPostPath(post: PostData): string {
   return `/${year}/${month}/${day}/${post.slug}`;
 }
 
-export function formatArchiveDate(date: Date): string {
+function formatArchiveDate(date: Date): string {
   const day = String(date.getDate()).padStart(2, '0');
   const month = String(date.getMonth() + 1).padStart(2, '0');
   const year = String(date.getFullYear());
   return `${day}.${month}.${year}`;
 }
 
-export function getArchiveDateKey(date: Date): string {
+function getArchiveDateKey(date: Date): string {
   const year = String(date.getFullYear());
   const month = String(date.getMonth() + 1).padStart(2, '0');
   const day = String(date.getDate()).padStart(2, '0');
   return `${year}-${month}-${day}`;
 }
 
-export function toDateParts(date: Date): { day: number; month: number; year: number } {
+function toDateParts(date: Date): { day: number; month: number; year: number } {
   return {
     day: date.getDate(),
     month: date.getMonth() + 1,
@@ -1041,7 +1041,7 @@ export function toDateParts(date: Date): { day: number; month: number; year: num
   };
 }
 
-export function buildPaginationHref(basePathname: string, page: number): string {
+function buildPaginationHref(basePathname: string, page: number): string {
   const base = basePathname === '/' ? '' : basePathname;
   if (page <= 1) {
     return basePathname === '/' ? '/' : `${basePathname}/`;
@@ -1072,7 +1072,7 @@ export function mapToRecord(map: Map<string, string>): Record<string, string> {
   return Object.fromEntries(map.entries());
 }
 
-export function recordToMap(record: unknown): Map<string, string> {
+function recordToMap(record: unknown): Map<string, string> {
   if (!record || typeof record !== 'object') {
     return new Map<string, string>();
   }
diff --git a/src/main/engine/ai/providers.ts b/src/main/engine/ai/providers.ts
index 006d3f0..9e54f0f 100644
--- a/src/main/engine/ai/providers.ts
+++ b/src/main/engine/ai/providers.ts
@@ -24,9 +24,9 @@ import type { ChatModel } from '../../shared/electronApi';
 // Constants
 // ---------------------------------------------------------------------------
 
-export const ZEN_BASE_URL = 'https://opencode.ai/zen/v1';
-export const ZEN_MODELS_URL = 'https://opencode.ai/zen/v1/models';
-export const MISTRAL_MODELS_URL = 'https://api.mistral.ai/v1/models';
+const ZEN_BASE_URL = 'https://opencode.ai/zen/v1';
+const ZEN_MODELS_URL = 'https://opencode.ai/zen/v1/models';
+const MISTRAL_MODELS_URL = 'https://api.mistral.ai/v1/models';
 export const OLLAMA_BASE_URL = 'http://localhost:11434/v1';
 export const OLLAMA_TAGS_URL = 'http://localhost:11434/api/tags';
 export const LMSTUDIO_BASE_URL = 'http://localhost:1234/v1';
diff --git a/src/main/engine/index.ts b/src/main/engine/index.ts
deleted file mode 100644
index 685e810..0000000
--- a/src/main/engine/index.ts
+++ /dev/null
@@ -1,104 +0,0 @@
-export { TaskManager, taskManager, type Task, type TaskProgress, type TaskStatus } from './TaskManager';
-export { PostEngine, type PostData, type PostFilter, type SearchResult, type PaginatedResult, type PaginationOptions } from './PostEngine';
-export { MediaEngine, type MediaData } from './MediaEngine';
-export { PostMediaEngine, type PostMediaLinkData } from './PostMediaEngine';
-export { ProjectEngine, type ProjectData } from './ProjectEngine';
-export { MetaEngine, type ProjectMetadata, DEFAULT_CATEGORIES } from './MetaEngine';
-export {
-  TagEngine,
-  type TagData,
-  type TagWithCount,
-  type CreateTagInput,
-  type UpdateTagInput,
-  type DeleteTagResult,
-  type MergeTagsResult,
-  type RenameTagResult,
-  type SyncTagsResult,
-} from './TagEngine';
-export {
-  stemText,
-  stemWord,
-  stemQuery,
-  prepareForFTS,
-  getSupportedLanguages,
-  isoToStemmerLanguage,
-  type SupportedLanguage,
-} from './stemmer';
-export {
-  ChatEngine,
-  type ChatConversationData,
-  type ChatMessageData,
-  type CreateConversationInput,
-} from './ChatEngine';
-export {
-  WxrParser,
-  type WxrData,
-  type WxrPost,
-  type WxrMedia,
-  type WxrSiteInfo,
-  type WxrCategory,
-  type WxrTag,
-} from './WxrParser';
-export {
-  ImportAnalysisEngine,
-  type ImportAnalysisReport,
-  type AnalyzedPost,
-  type AnalyzedMedia,
-  type AnalyzedCategory,
-  type AnalyzedTag,
-  type PostAnalysisStatus,
-  type MediaAnalysisStatus,
-  type ImportConflictResolution,
-} from './ImportAnalysisEngine';
-export {
-  ImportDefinitionEngine,
-  type ImportDefinitionData,
-} from './ImportDefinitionEngine';
-export {
-  readPostFile,
-  type PostFileData,
-} from './postFileUtils';
-export {
-  MetadataDiffEngine,
-  type PostMetadataDiff,
-  type DiffGroup,
-  type DiffField,
-  type ScanResult,
-  type TableStats,
-} from './MetadataDiffEngine';
-export {
-  GitEngine,
-  type GitAvailability,
-  type RepoState,
-  type GitStatusDto,
-  type GitDiffDto,
-  type GitDiffContentDto,
-  type GitHistoryEntry,
-  type GitStatusFile,
-  type GitStatusCounts,
-  type GitInitResult,
-} from './GitEngine';
-export {
-  BlogGenerationEngine,
-  resolvePublicBaseUrl,
-  type BlogGenerationOptions,
-  type BlogGenerationResult,
-} from './BlogGenerationEngine';
-export {
-  MenuEngine,
-  type MenuItemData,
-  type MenuDocument,
-  type MenuItemKind,
-} from './MenuEngine';
-export {
-  ScriptEngine,
-  type ScriptData,
-  type ScriptKind,
-  type CreateScriptInput,
-  type UpdateScriptInput,
-} from './ScriptEngine';
-export {
-  PublishEngine,
-  type PublishCredentials,
-  type DirectoryUploadResult,
-} from './PublishEngine';
diff --git a/src/main/ipc/blogHandlers.ts b/src/main/ipc/blogHandlers.ts
index e9d90ee..49415a4 100644
--- a/src/main/ipc/blogHandlers.ts
+++ b/src/main/ipc/blogHandlers.ts
@@ -245,14 +245,15 @@ export function registerBlogHandlers(safeHandle: SafeHandle, bundle: EngineBundl
         const seenMediaLang = new Set<string>();
         for (let i = 0; i < publishedPosts.length; i++) {
           const post = publishedPosts[i];
-          const postLang = post.language || mainLang;
           const links = await bundle.postMediaEngine.getLinkedMediaForPost(post.id);
           for (const link of links) {
+            const mediaItem = await bundle.mediaEngine.getMedia(link.mediaId);
+            const mediaLang = mediaItem?.language || mainLang;
             const mediaTranslations = await bundle.mediaEngine.getMediaTranslations(link.mediaId);
             const existingLangs = new Set(mediaTranslations.map((t) => t.language));
             for (const lang of blogLanguages) {
               const key = `${link.mediaId}:${lang}`;
-              if (lang !== postLang && !existingLangs.has(lang) && !seenMediaLang.has(key)) {
+              if (lang !== mediaLang && !existingLangs.has(lang) && !seenMediaLang.has(key)) {
                 seenMediaLang.add(key);
                 mediaItems.push({ mediaId: link.mediaId, targetLang: lang });
               }
diff --git a/src/main/ipc/index.ts b/src/main/ipc/index.ts
index a30d6d4..5d0c86f 100644
--- a/src/main/ipc/index.ts
+++ b/src/main/ipc/index.ts
@@ -1,2 +1,2 @@
-export { registerIpcHandlers, registerEventForwarding, startEmbeddingIndexTask, startDuplicateSearchTask, startRebuildEmbeddingIndexTask } from './handlers';
+export { registerIpcHandlers, registerEventForwarding, startEmbeddingIndexTask, startRebuildEmbeddingIndexTask } from './handlers';
 export { registerChatHandlers, initializeChatHandlers, cleanupChatHandlers } from './chatHandlers';
diff --git a/src/main/main.ts b/src/main/main.ts
index 3f0707b..77336aa 100644
--- a/src/main/main.ts
+++ b/src/main/main.ts
@@ -943,6 +943,7 @@ app.whenReady().then(async () => {
   const embeddingEngine = new EmbeddingEngine({
     getIndexPath: (projectId: string) =>
       path.join(userData, 'projects', projectId, 'embeddings.usearch'),
+    modelCacheDir: path.join(userData, 'model-cache'),
   });
   const appApiAdapter = new AppApiAdapter(projectEngine);
   const publishApiAdapter = new PublishApiAdapter(projectEngine, publishEngine, taskManager);
diff --git a/src/main/shared/picoThemes.ts b/src/main/shared/picoThemes.ts
index 3b5b6ac..5e56ad6 100644
--- a/src/main/shared/picoThemes.ts
+++ b/src/main/shared/picoThemes.ts
@@ -23,7 +23,7 @@ export const PICO_THEME_NAMES = [
 export type PicoThemeName = (typeof PICO_THEME_NAMES)[number];
 export type PicoThemeMode = 'auto' | 'light' | 'dark';
 
-export function isPicoThemeName(value: unknown): value is PicoThemeName {
+function isPicoThemeName(value: unknown): value is PicoThemeName {
   return typeof value === 'string' && (PICO_THEME_NAMES as readonly string[]).includes(value);
 }
 
@@ -38,7 +38,7 @@ export function sanitizePicoThemeMode(value: unknown): PicoThemeMode | undefined
   return undefined;
 }
 
-export function getPicoStylesheetAssetName(theme: PicoThemeName | undefined): string {
+function getPicoStylesheetAssetName(theme: PicoThemeName | undefined): string {
   if (!theme) {
     return 'pico.min.css';
   }
diff --git a/src/main/shared/pythonApiContractV1.ts b/src/main/shared/pythonApiContractV1.ts
index 3e539a5..97df09d 100644
--- a/src/main/shared/pythonApiContractV1.ts
+++ b/src/main/shared/pythonApiContractV1.ts
@@ -517,7 +517,3 @@ export function listPythonApiMethodNames(): string[] {
 export function getPythonApiMethodContract(methodName: string): PythonApiMethodContractV1 | undefined {
   return BDS_PYTHON_API_CONTRACT_V1.methods.find((entry) => entry.method === methodName);
 }
-
-export function getPythonApiDataStructureContracts(): PythonApiDataStructureContractV1[] {
-  return BDS_PYTHON_API_CONTRACT_V1.dataStructures;
-}
diff --git a/src/renderer/a2ui/components/A2UIMindmap.tsx b/src/renderer/a2ui/components/A2UIMindmap.tsx
index 00acca9..20f7061 100644
--- a/src/renderer/a2ui/components/A2UIMindmap.tsx
+++ b/src/renderer/a2ui/components/A2UIMindmap.tsx
@@ -50,8 +50,8 @@ function getNodeColor(depth: number): string {
 
 /* ── Constants ──────────────────────────────────────────────── */
 
-export const FONT_SIZE = 13;
-export const CHAR_WIDTH = 7.8;
+const FONT_SIZE = 13;
+const CHAR_WIDTH = 7.8;
 export const LINE_HEIGHT = 18;
 const NODE_PADDING_X = 14;
 const NODE_PADDING_Y = 8;
diff --git a/src/renderer/a2ui/components/index.ts b/src/renderer/a2ui/components/index.ts
deleted file mode 100644
index ff10c96..0000000
--- a/src/renderer/a2ui/components/index.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-export { A2UIText } from './A2UIText';
-export { A2UIButton } from './A2UIButton';
-export { A2UICard } from './A2UICard';
-export { A2UIChart } from './A2UIChart';
-export { A2UITable } from './A2UITable';
-export { A2UIForm } from './A2UIForm';
-export { A2UITextField } from './A2UITextField';
-export { A2UICheckBox } from './A2UICheckBox';
-export { A2UIDateTimeInput } from './A2UIDateTimeInput';
-export { A2UIChoicePicker } from './A2UIChoicePicker';
-export { A2UIImage } from './A2UIImage';
-export { A2UITabs } from './A2UITabs';
-export { A2UIMetric } from './A2UIMetric';
-export { A2UIList } from './A2UIList';
-export { A2UIRow } from './A2UIRow';
-export { A2UIColumn } from './A2UIColumn';
-export { A2UIDivider } from './A2UIDivider';
diff --git a/src/renderer/components/AssistantSidebar/AssistantSidebar.tsx b/src/renderer/components/AssistantSidebar/AssistantSidebar.tsx
index 5e706b3..264376b 100644
--- a/src/renderer/components/AssistantSidebar/AssistantSidebar.tsx
+++ b/src/renderer/components/AssistantSidebar/AssistantSidebar.tsx
@@ -302,5 +302,3 @@ export const AssistantSidebar: React.FC = () => {
     </div>
   );
 };
-
-export default AssistantSidebar;
diff --git a/src/renderer/components/Lightbox/Lightbox.tsx b/src/renderer/components/Lightbox/Lightbox.tsx
index 2737405..9239356 100644
--- a/src/renderer/components/Lightbox/Lightbox.tsx
+++ b/src/renderer/components/Lightbox/Lightbox.tsx
@@ -171,62 +171,3 @@ export function useMarkdownImages(content: string): LightboxImage[] {
   }, [content]);
 }
 
-// Component to render images with lightbox support
-interface ImageGalleryProps {
-  images: LightboxImage[];
-}
-
-export const ImageGallery: React.FC<ImageGalleryProps> = ({ images }) => {
-  const [lightboxOpen, setLightboxOpen] = useState(false);
-  const [selectedIndex, setSelectedIndex] = useState(0);
-
-  if (images.length === 0) {
-    return null;
-  }
-
-  const openLightbox = (index: number) => {
-    setSelectedIndex(index);
-    setLightboxOpen(true);
-  };
-
-  if (images.length === 1) {
-    return (
-      <>
-        <div className="single-image" onClick={() => openLightbox(0)}>
-          <img src={images[0].src} alt={images[0].alt || ''} />
-          {images[0].caption && <p className="image-caption">{images[0].caption}</p>}
-        </div>
-        <Lightbox
-          images={images}
-          initialIndex={selectedIndex}
-          isOpen={lightboxOpen}
-          onClose={() => setLightboxOpen(false)}
-        />
-      </>
-    );
-  }
-
-  return (
-    <>
-      <div className={`image-gallery gallery-${Math.min(images.length, 4)}`}>
-        {images.map((image, index) => (
-          <div 
-            key={index} 
-            className="gallery-item"
-            onClick={() => openLightbox(index)}
-          >
-            <img src={image.src} alt={image.alt || ''} />
-          </div>
-        ))}
-      </div>
-      <Lightbox
-        images={images}
-        initialIndex={selectedIndex}
-        isOpen={lightboxOpen}
-        onClose={() => setLightboxOpen(false)}
-      />
-    </>
-  );
-};
-
-export default Lightbox;
diff --git a/src/renderer/components/Lightbox/index.ts b/src/renderer/components/Lightbox/index.ts
index cbb86a9..497ad2a 100644
--- a/src/renderer/components/Lightbox/index.ts
+++ b/src/renderer/components/Lightbox/index.ts
@@ -1 +1 @@
-export { Lightbox, ImageGallery, useMarkdownImages } from './Lightbox';
+export { Lightbox, useMarkdownImages } from './Lightbox';
diff --git a/src/renderer/components/LinkedMediaPanel/LinkedMediaPanel.tsx b/src/renderer/components/LinkedMediaPanel/LinkedMediaPanel.tsx
index caa22d1..86978ec 100644
--- a/src/renderer/components/LinkedMediaPanel/LinkedMediaPanel.tsx
+++ b/src/renderer/components/LinkedMediaPanel/LinkedMediaPanel.tsx
@@ -345,5 +345,3 @@ export const LinkedMediaPanel: React.FC<LinkedMediaPanelProps> = ({
     </div>
   );
 };
-
-export default LinkedMediaPanel;
diff --git a/src/renderer/components/LinkedMediaPanel/index.ts b/src/renderer/components/LinkedMediaPanel/index.ts
index 57ec9c9..31ea8c2 100644
--- a/src/renderer/components/LinkedMediaPanel/index.ts
+++ b/src/renderer/components/LinkedMediaPanel/index.ts
@@ -1,2 +1 @@
 export { LinkedMediaPanel } from './LinkedMediaPanel';
-export { default } from './LinkedMediaPanel';
diff --git a/src/renderer/components/MilkdownEditor/MilkdownEditor.tsx b/src/renderer/components/MilkdownEditor/MilkdownEditor.tsx
index 49e3356..847fbe3 100644
--- a/src/renderer/components/MilkdownEditor/MilkdownEditor.tsx
+++ b/src/renderer/components/MilkdownEditor/MilkdownEditor.tsx
@@ -391,5 +391,3 @@ const MilkdownProviderInner: React.FC<MilkdownEditorProps> = ({
     </div>
   );
 };
-
-export default MilkdownEditor;
diff --git a/src/renderer/components/PostLinks/PostLinks.tsx b/src/renderer/components/PostLinks/PostLinks.tsx
index 82add03..d0c8b09 100644
--- a/src/renderer/components/PostLinks/PostLinks.tsx
+++ b/src/renderer/components/PostLinks/PostLinks.tsx
@@ -116,5 +116,3 @@ export const PostLinks: React.FC<PostLinksProps> = ({ postId, onPostClick, updat
     </div>
   );
 };
-
-export default PostLinks;
diff --git a/src/renderer/components/PostLinks/index.ts b/src/renderer/components/PostLinks/index.ts
index f9dd49e..19b1cfa 100644
--- a/src/renderer/components/PostLinks/index.ts
+++ b/src/renderer/components/PostLinks/index.ts
@@ -1,2 +1 @@
 export { PostLinks } from './PostLinks';
-export { default } from './PostLinks';
diff --git a/src/renderer/components/PostSearchModal/PostSearchModal.css b/src/renderer/components/PostSearchModal/PostSearchModal.css
deleted file mode 100644
index fadfbbb..0000000
--- a/src/renderer/components/PostSearchModal/PostSearchModal.css
+++ /dev/null
@@ -1,130 +0,0 @@
-.post-search-modal-backdrop {
-  position: fixed;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  background: rgba(0, 0, 0, 0.6);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  z-index: 10000;
-}
-
-.post-search-modal {
-  background: var(--color-bg-secondary, #1e1e1e);
-  border: 1px solid var(--color-border, #3c3c3c);
-  border-radius: 8px;
-  width: 600px;
-  max-height: 500px;
-  display: flex;
-  flex-direction: column;
-  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
-}
-
-.post-search-header {
-  border-bottom: 1px solid var(--color-border, #3c3c3c);
-}
-
-.post-search-input {
-  width: 100%;
-  padding: 16px 20px;
-  font-size: 16px;
-  background: transparent;
-  border: none;
-  color: var(--color-text, #ccc);
-  outline: none;
-  font-family: inherit;
-}
-
-.post-search-input::placeholder {
-  color: var(--color-text-muted, #888);
-}
-
-.post-search-results {
-  flex: 1;
-  overflow-y: auto;
-  padding: 8px;
-  min-height: 200px;
-}
-
-.post-search-loading,
-.post-search-empty {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  padding: 40px 20px;
-  color: var(--color-text-muted, #888);
-  font-size: 14px;
-  text-align: center;
-}
-
-.post-search-result-item {
-  padding: 12px 16px;
-  border-radius: 4px;
-  cursor: pointer;
-  margin-bottom: 4px;
-  transition: background-color 0.15s ease;
-}
-
-.post-search-result-item:hover,
-.post-search-result-item.selected {
-  background: var(--color-bg-tertiary, #2a2a2a);
-}
-
-.post-search-result-item.selected {
-  border-left: 3px solid var(--color-primary, #0e639c);
-  padding-left: 13px;
-}
-
-.post-search-result-title {
-  font-size: 14px;
-  font-weight: 600;
-  color: var(--color-text, #fff);
-  margin-bottom: 4px;
-}
-
-.post-search-result-excerpt {
-  font-size: 12px;
-  color: var(--color-text-muted, #888);
-  line-height: 1.4;
-  margin-bottom: 4px;
-}
-
-.post-search-result-slug {
-  font-size: 11px;
-  color: var(--color-text-muted, #666);
-  font-family: 'Cascadia Code', 'Consolas', 'Courier New', monospace;
-}
-
-.post-search-footer {
-  border-top: 1px solid var(--color-border, #3c3c3c);
-  padding: 8px 16px;
-  display: flex;
-  justify-content: center;
-}
-
-.post-search-hint {
-  font-size: 11px;
-  color: var(--color-text-muted, #888);
-  text-transform: uppercase;
-  letter-spacing: 0.5px;
-}
-
-/* Scrollbar styling */
-.post-search-results::-webkit-scrollbar {
-  width: 8px;
-}
-
-.post-search-results::-webkit-scrollbar-track {
-  background: var(--color-bg-secondary, #1e1e1e);
-}
-
-.post-search-results::-webkit-scrollbar-thumb {
-  background: var(--color-border, #3c3c3c);
-  border-radius: 4px;
-}
-
-.post-search-results::-webkit-scrollbar-thumb:hover {
-  background: var(--color-text-muted, #555);
-}
diff --git a/src/renderer/components/PostSearchModal/PostSearchModal.tsx b/src/renderer/components/PostSearchModal/PostSearchModal.tsx
deleted file mode 100644
index d9db0a1..0000000
--- a/src/renderer/components/PostSearchModal/PostSearchModal.tsx
+++ /dev/null
@@ -1,166 +0,0 @@
-import React, { useCallback, useEffect, useRef, useState } from 'react';
-import { useI18n } from '../../i18n';
-import './PostSearchModal.css';
-
-interface SearchResult {
-  id: string;
-  title: string;
-  slug: string;
-  excerpt?: string;
-}
-
-interface PostSearchModalProps {
-  onSelect: (post: SearchResult) => void;
-  onClose: () => void;
-  initialQuery?: string;
-}
-
-export const PostSearchModal: React.FC<PostSearchModalProps> = ({
-  onSelect,
-  onClose,
-  initialQuery = ''
-}) => {
-  const { t } = useI18n();
-  const [query, setQuery] = useState(initialQuery);
-  const [results, setResults] = useState<SearchResult[]>([]);
-  const [selectedIndex, setSelectedIndex] = useState(0);
-  const [isSearching, setIsSearching] = useState(false);
-  const inputRef = useRef<HTMLInputElement>(null);
-
-  // Focus search input on mount
-  useEffect(() => {
-    inputRef.current?.focus();
-  }, []);
-
-  // Debounced search effect
-  useEffect(() => {
-    if (query.length < 2) {
-      setResults([]);
-      setSelectedIndex(0);
-      return;
-    }
-
-    const timeoutId = setTimeout(async () => {
-      setIsSearching(true);
-      try {
-        const searchResults = await window.electronAPI.posts.search(query);
-        setResults(searchResults || []);
-        setSelectedIndex(0);
-      } catch (error) {
-        console.error('Search failed:', error);
-        setResults([]);
-      } finally {
-        setIsSearching(false);
-      }
-    }, 300);
-
-    return () => clearTimeout(timeoutId);
-  }, [query]);
-
-  // Keyboard navigation handler
-  const handleKeyDown = useCallback((e: React.KeyboardEvent) => {
-    switch (e.key) {
-      case 'Escape':
-        e.preventDefault();
-        onClose();
-        break;
-      case 'ArrowDown':
-        e.preventDefault();
-        setSelectedIndex(prev => Math.min(prev + 1, results.length - 1));
-        break;
-      case 'ArrowUp':
-        e.preventDefault();
-        setSelectedIndex(prev => Math.max(prev - 1, 0));
-        break;
-      case 'Enter':
-        e.preventDefault();
-        if (results[selectedIndex]) {
-          onSelect(results[selectedIndex]);
-        }
-        break;
-    }
-  }, [results, selectedIndex, onClose, onSelect]);
-
-  // Backdrop click handler
-  const handleBackdropClick = useCallback((e: React.MouseEvent) => {
-    if (e.target === e.currentTarget) {
-      onClose();
-    }
-  }, [onClose]);
-
-  // Result click handler
-  const handleResultClick = useCallback((post: SearchResult) => {
-    onSelect(post);
-  }, [onSelect]);
-
-  // Scroll selected item into view
-  useEffect(() => {
-    const selectedElement = document.querySelector('.post-search-result-item.selected');
-    if (selectedElement) {
-      selectedElement.scrollIntoView({ block: 'nearest', behavior: 'smooth' });
-    }
-  }, [selectedIndex]);
-
-  return (
-    <div className="post-search-modal-backdrop" onClick={handleBackdropClick}>
-      <div className="post-search-modal" onKeyDown={handleKeyDown}>
-        <div className="post-search-header">
-          <input
-            ref={inputRef}
-            type="text"
-            className="post-search-input"
-            placeholder={t('postSearch.placeholder')}
-            value={query}
-            onChange={(e) => setQuery(e.target.value)}
-            autoComplete="off"
-          />
-        </div>
-
-        <div className="post-search-results">
-          {isSearching && (
-            <div className="post-search-loading">
-              {t('postSearch.searching')}
-            </div>
-          )}
-
-          {!isSearching && query.length < 2 && (
-            <div className="post-search-empty">
-              {t('postSearch.typeMore')}
-            </div>
-          )}
-
-          {!isSearching && query.length >= 2 && results.length === 0 && (
-            <div className="post-search-empty">
-              {t('postSearch.noResults', { query })}
-            </div>
-          )}
-
-          {!isSearching && results.length > 0 && results.map((post, index) => (
-            <div
-              key={post.id}
-              className={`post-search-result-item ${index === selectedIndex ? 'selected' : ''}`}
-              onClick={() => handleResultClick(post)}
-              onMouseEnter={() => setSelectedIndex(index)}
-            >
-              <div className="post-search-result-title">{post.title}</div>
-              {post.excerpt && (
-                <div className="post-search-result-excerpt">
-                  {post.excerpt.length > 120
-                    ? post.excerpt.substring(0, 120) + '...'
-                    : post.excerpt}
-                </div>
-              )}
-              <div className="post-search-result-slug">/posts/{post.slug}</div>
-            </div>
-          ))}
-        </div>
-
-        <div className="post-search-footer">
-          <span className="post-search-hint">
-            {t('postSearch.hint')}
-          </span>
-        </div>
-      </div>
-    </div>
-  );
-};
diff --git a/src/renderer/components/PostSearchModal/index.ts b/src/renderer/components/PostSearchModal/index.ts
deleted file mode 100644
index 90b48b3..0000000
--- a/src/renderer/components/PostSearchModal/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { PostSearchModal } from './PostSearchModal';
diff --git a/src/renderer/components/ProjectSelector/ProjectSelector.tsx b/src/renderer/components/ProjectSelector/ProjectSelector.tsx
index 8b0f748..9ad6f9a 100644
--- a/src/renderer/components/ProjectSelector/ProjectSelector.tsx
+++ b/src/renderer/components/ProjectSelector/ProjectSelector.tsx
@@ -387,5 +387,3 @@ export const ProjectSelector: React.FC = () => {
     </div>
   );
 };
-
-export default ProjectSelector;
diff --git a/src/renderer/components/ProjectSelector/index.ts b/src/renderer/components/ProjectSelector/index.ts
index a1c3b7d..2417124 100644
--- a/src/renderer/components/ProjectSelector/index.ts
+++ b/src/renderer/components/ProjectSelector/index.ts
@@ -1,2 +1 @@
 export { ProjectSelector } from './ProjectSelector';
-export { default } from './ProjectSelector';
diff --git a/src/renderer/components/ResizablePanel/ResizablePanel.tsx b/src/renderer/components/ResizablePanel/ResizablePanel.tsx
index a9d8ad1..8257a7c 100644
--- a/src/renderer/components/ResizablePanel/ResizablePanel.tsx
+++ b/src/renderer/components/ResizablePanel/ResizablePanel.tsx
@@ -119,5 +119,3 @@ export const ResizablePanel: React.FC<ResizablePanelProps> = ({
     </div>
   );
 };
-
-export default ResizablePanel;
diff --git a/src/renderer/components/SettingsView/SettingsView.tsx b/src/renderer/components/SettingsView/SettingsView.tsx
index bc732fa..96d8874 100644
--- a/src/renderer/components/SettingsView/SettingsView.tsx
+++ b/src/renderer/components/SettingsView/SettingsView.tsx
@@ -2246,5 +2246,3 @@ export const SettingsView: React.FC = () => {
     </div>
   );
 };
-
-export default SettingsView;
diff --git a/src/renderer/components/SettingsView/index.ts b/src/renderer/components/SettingsView/index.ts
index 6b25c6e..686c3d8 100644
--- a/src/renderer/components/SettingsView/index.ts
+++ b/src/renderer/components/SettingsView/index.ts
@@ -1,2 +1 @@
-export { SettingsView, scrollToSettingsSection } from './SettingsView';
-export type { SettingsCategory } from './SettingsView';
+export { SettingsView } from './SettingsView';
diff --git a/src/renderer/components/StyleView/StyleView.tsx b/src/renderer/components/StyleView/StyleView.tsx
index 6d570fd..e945809 100644
--- a/src/renderer/components/StyleView/StyleView.tsx
+++ b/src/renderer/components/StyleView/StyleView.tsx
@@ -136,5 +136,3 @@ export const StyleView: React.FC = () => {
     </div>
   );
 };
-
-export default StyleView;
diff --git a/src/renderer/components/StyleView/index.ts b/src/renderer/components/StyleView/index.ts
deleted file mode 100644
index 554804a..0000000
--- a/src/renderer/components/StyleView/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { StyleView } from './StyleView';
diff --git a/src/renderer/components/TabBar/TabBar.tsx b/src/renderer/components/TabBar/TabBar.tsx
index 4fc709f..4829427 100644
--- a/src/renderer/components/TabBar/TabBar.tsx
+++ b/src/renderer/components/TabBar/TabBar.tsx
@@ -839,5 +839,3 @@ export const TabBar: React.FC = () => {
     </div>
   );
 };
-
-export default TabBar;
diff --git a/src/renderer/components/TaskPopup/TaskPopup.tsx b/src/renderer/components/TaskPopup/TaskPopup.tsx
index ce67199..8dc41b0 100644
--- a/src/renderer/components/TaskPopup/TaskPopup.tsx
+++ b/src/renderer/components/TaskPopup/TaskPopup.tsx
@@ -221,5 +221,3 @@ export const TaskPopup: React.FC = () => {
     </div>
   );
 };
-
-export default TaskPopup;
diff --git a/src/renderer/components/TaskPopup/index.ts b/src/renderer/components/TaskPopup/index.ts
deleted file mode 100644
index ceee7d9..0000000
--- a/src/renderer/components/TaskPopup/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { TaskPopup } from './TaskPopup';
diff --git a/src/renderer/components/Toast/Toast.tsx b/src/renderer/components/Toast/Toast.tsx
index 13d82d8..08b4cbd 100644
--- a/src/renderer/components/Toast/Toast.tsx
+++ b/src/renderer/components/Toast/Toast.tsx
@@ -2,11 +2,8 @@ import React from 'react';
 import { Toaster, toast } from 'react-hot-toast';
 import './Toast.css';
 
-// Re-export toast for use throughout the app
-export { toast };
-
 // Toast types
-export type ToastType = 'success' | 'error' | 'loading' | 'info';
+type ToastType = 'success' | 'error' | 'loading' | 'info';
 
 // Custom toast functions
 export const showToast = {
@@ -84,5 +81,3 @@ export const ToastContainer: React.FC = () => {
     />
   );
 };
-
-export default ToastContainer;
diff --git a/src/renderer/components/Toast/index.ts b/src/renderer/components/Toast/index.ts
index ae4c8ee..206fb7b 100644
--- a/src/renderer/components/Toast/index.ts
+++ b/src/renderer/components/Toast/index.ts
@@ -1 +1 @@
-export { ToastContainer, toast, showToast, type ToastType } from './Toast';
+export { ToastContainer, showToast } from './Toast';
diff --git a/src/renderer/components/WindowTitleBar/WindowTitleBar.tsx b/src/renderer/components/WindowTitleBar/WindowTitleBar.tsx
index e86815a..dc44bc5 100644
--- a/src/renderer/components/WindowTitleBar/WindowTitleBar.tsx
+++ b/src/renderer/components/WindowTitleBar/WindowTitleBar.tsx
@@ -505,6 +505,4 @@ export const WindowTitleBar: React.FC = () => {
       )}
     </div>
   );
-};
-
-export default WindowTitleBar;
\ No newline at end of file
+};
\ No newline at end of file
diff --git a/src/renderer/components/index.ts b/src/renderer/components/index.ts
index 1fc5f2d..0aa7ec6 100644
--- a/src/renderer/components/index.ts
+++ b/src/renderer/components/index.ts
@@ -4,26 +4,7 @@ export { Editor } from './Editor';
 export { StatusBar } from './StatusBar';
 export { Panel } from './Panel';
 export { TabBar } from './TabBar';
-export { ToastContainer, toast, showToast, type ToastType } from './Toast';
-export { ProjectSelector } from './ProjectSelector';
-export { MilkdownEditor } from './MilkdownEditor';
-export { Lightbox, ImageGallery, useMarkdownImages } from './Lightbox';
-export { TaskPopup } from './TaskPopup';
+export { ToastContainer, showToast } from './Toast';
 export { ResizablePanel } from './ResizablePanel';
-export { SettingsView } from './SettingsView';
-export { StyleView } from './StyleView';
-export { TagsView, scrollToTagsSection, type TagsCategory } from './TagsView';
-export { TagInput } from './TagInput';
-export { PostLinks } from './PostLinks';
-export { LinkedMediaPanel } from './LinkedMediaPanel';
-export { ErrorModal, type ErrorDetails } from './ErrorModal';
-export { ConfirmDeleteModal, type ConfirmDeleteDetails, type DeleteReference } from './ConfirmDeleteModal';
-export { AISuggestionsModal, type AISuggestions, type CurrentValues } from './AISuggestionsModal/AISuggestionsModal';
-export { ChatPanel } from './ChatPanel';
-export { ImportAnalysisView } from './ImportAnalysisView';
-export { InsertModal } from './InsertModal';
 export { WindowTitleBar } from './WindowTitleBar';
-export { DocumentationView } from './DocumentationView/DocumentationView';
-export { SiteValidationView } from './SiteValidationView';
-export { ScriptsView } from './ScriptsView/ScriptsView';
 export { AssistantSidebar } from './AssistantSidebar';
diff --git a/src/renderer/i18n/index.tsx b/src/renderer/i18n/index.tsx
index fd52a30..bf23b75 100644
--- a/src/renderer/i18n/index.tsx
+++ b/src/renderer/i18n/index.tsx
@@ -9,7 +9,7 @@ export type UiLanguage = 'en' | 'de' | 'fr' | 'it' | 'es';
 
 export const UI_LANGUAGE_STORAGE_KEY = 'bds-ui-language';
 
-export const SUPPORTED_UI_LANGUAGES: UiLanguage[] = ['en', 'de', 'fr', 'it', 'es'];
+const SUPPORTED_UI_LANGUAGES: UiLanguage[] = ['en', 'de', 'fr', 'it', 'es'];
 
 type TranslationTable = Record<string, string>;
 
diff --git a/src/renderer/macros/definitions/gallery.ts b/src/renderer/macros/definitions/gallery.ts
index b0648ed..75adda4 100644
--- a/src/renderer/macros/definitions/gallery.ts
+++ b/src/renderer/macros/definitions/gallery.ts
@@ -74,5 +74,3 @@ const galleryMacro: MacroDefinition = {
 
 // Self-register
 registerMacro(galleryMacro);
-
-export default galleryMacro;
diff --git a/src/renderer/macros/definitions/photo_archive.ts b/src/renderer/macros/definitions/photo_archive.ts
index 8e9d3dc..7d4d978 100644
--- a/src/renderer/macros/definitions/photo_archive.ts
+++ b/src/renderer/macros/definitions/photo_archive.ts
@@ -34,7 +34,7 @@ function getMonthName(month: number): string {
   return MONTH_NAMES[month - 1] || 'Unknown';
 }
 
-const photoArchiveMacro: MacroDefinition = {
+export const photoArchiveMacro: MacroDefinition = {
   name: 'photo_archive',
   description: 'Creates a photo archive gallery organized by year and month',
 
@@ -125,5 +125,3 @@ const photoArchiveMacro: MacroDefinition = {
 // Self-register
 registerMacro(photoArchiveMacro);
 
-export default photoArchiveMacro;
-export { getMonthName, MONTH_NAMES };
diff --git a/src/renderer/macros/definitions/vimeo.ts b/src/renderer/macros/definitions/vimeo.ts
index 6b580cd..18dd9d8 100644
--- a/src/renderer/macros/definitions/vimeo.ts
+++ b/src/renderer/macros/definitions/vimeo.ts
@@ -72,5 +72,3 @@ const vimeoMacro: MacroDefinition = {
 
 // Self-register
 registerMacro(vimeoMacro);
-
-export default vimeoMacro;
diff --git a/src/renderer/macros/definitions/youtube.ts b/src/renderer/macros/definitions/youtube.ts
index 68896e6..40900b6 100644
--- a/src/renderer/macros/definitions/youtube.ts
+++ b/src/renderer/macros/definitions/youtube.ts
@@ -85,5 +85,3 @@ const youtubeMacro: MacroDefinition = {
 
 // Self-register
 registerMacro(youtubeMacro);
-
-export default youtubeMacro;
diff --git a/src/renderer/macros/index.ts b/src/renderer/macros/index.ts
index 0f26827..c1b2dce 100644
--- a/src/renderer/macros/index.ts
+++ b/src/renderer/macros/index.ts
@@ -1,13 +1,13 @@
 /**
  * Macros Module
- * 
+ *
  * Provides a simple extension system for rendering custom content blocks
  * in markdown using [[macro param="value"]] syntax.
- * 
+ *
  * Usage:
  * 1. Import this module to register all macros
  * 2. Use the registry functions to render macros
- * 
+ *
  * Adding new macros:
  * 1. Create a file in ./definitions/ (e.g., myMacro.ts)
  * 2. Implement MacroDefinition interface
@@ -18,31 +18,8 @@
 // Import all macro definitions so they register
 import './definitions';
 
-// Re-export types
-export type {
-  MacroDefinition,
-  MacroParams,
-  MacroRenderContext,
-  ParsedMacro,
-  PythonMacroInfo,
-  PythonMacroResolver,
-  PythonMacroRendererFn,
-} from './types';
-
-// Re-export registry functions
+// Re-export registry functions used by app
 export {
-  registerMacro,
-  getMacro,
-  hasMacro,
-  getMacroNames,
-  getAllMacros,
-  clearMacros,
-  parseParams,
-  parseMacros,
-  renderMacro,
-  renderAllMacros,
-  getEditorPreview,
-  setPythonMacroResolver,
   refreshPythonMacroSlugs,
 } from './registry';
 
diff --git a/src/renderer/navigation/assistantPanelSpec.ts b/src/renderer/navigation/assistantPanelSpec.ts
deleted file mode 100644
index cf82fa9..0000000
--- a/src/renderer/navigation/assistantPanelSpec.ts
+++ /dev/null
@@ -1,164 +0,0 @@
-import { z } from 'zod';
-
-const textElementSchema = z.object({
-  type: z.literal('text'),
-  text: z.string().min(1),
-});
-
-const metricElementSchema = z.object({
-  type: z.literal('metric'),
-  label: z.string().min(1),
-  value: z.string().min(1),
-});
-
-const listElementSchema = z.object({
-  type: z.literal('list'),
-  title: z.string().optional(),
-  items: z.array(z.string().min(1)).min(1),
-});
-
-const tableElementSchema = z.object({
-  type: z.literal('table'),
-  columns: z.array(z.string().min(1)).min(1),
-  rows: z.array(z.array(z.string())).min(1),
-});
-
-const actionElementSchema = z.object({
-  type: z.literal('action'),
-  label: z.string().min(1),
-  action: z.string().min(1),
-  payload: z.record(z.string(), z.unknown()).optional(),
-});
-
-const segmentSchema = z.object({
-  label: z.string().min(1),
-  value: z.number(),
-});
-
-const chartElementSchema = z.object({
-  type: z.literal('chart'),
-  chartType: z.enum(['bar', 'stacked-bar', 'line', 'area', 'pie', 'donut', 'heatmap']),
-  title: z.string().min(1).optional(),
-  series: z.array(
-    z.object({
-      label: z.string().min(1),
-      value: z.number(),
-      segments: z.array(segmentSchema).optional(),
-    }),
-  ).min(1),
-});
-
-const inputTypeSchema = z.enum(['text', 'textarea', 'select', 'checkbox', 'date', 'number']);
-
-const inputOptionSchema = z.object({
-  label: z.string().min(1),
-  value: z.string(),
-});
-
-const inputElementSchema = z.object({
-  type: z.literal('input'),
-  key: z.string().min(1),
-  label: z.string().min(1),
-  inputType: inputTypeSchema,
-  placeholder: z.string().optional(),
-  defaultValue: z.union([z.string(), z.number(), z.boolean()]).optional(),
-  options: z.array(inputOptionSchema).optional(),
-  action: z.string().min(1).optional(),
-  submitLabel: z.string().min(1).optional(),
-  payload: z.record(z.string(), z.unknown()).optional(),
-});
-
-const datePickerElementSchema = z.object({
-  type: z.literal('datePicker'),
-  key: z.string().min(1),
-  label: z.string().min(1),
-  defaultValue: z.string().optional(),
-  min: z.string().optional(),
-  max: z.string().optional(),
-  action: z.string().min(1).optional(),
-  submitLabel: z.string().min(1).optional(),
-  payload: z.record(z.string(), z.unknown()).optional(),
-});
-
-const formFieldSchema = z.object({
-  key: z.string().min(1),
-  label: z.string().min(1),
-  inputType: inputTypeSchema,
-  placeholder: z.string().optional(),
-  defaultValue: z.union([z.string(), z.number(), z.boolean()]).optional(),
-  options: z.array(inputOptionSchema).optional(),
-  required: z.boolean().optional(),
-});
-
-const formElementSchema = z.object({
-  type: z.literal('form'),
-  formId: z.string().min(1),
-  title: z.string().optional(),
-  submitLabel: z.string().min(1),
-  action: z.string().min(1),
-  payload: z.record(z.string(), z.unknown()).optional(),
-  fields: z.array(formFieldSchema).min(1),
-});
-
-const cardActionSchema = z.object({
-  label: z.string().min(1),
-  action: z.string().min(1),
-  payload: z.record(z.string(), z.unknown()).optional(),
-});
-
-const cardElementSchema = z.object({
-  type: z.literal('card'),
-  title: z.string().min(1),
-  body: z.string().min(1),
-  subtitle: z.string().optional(),
-  actions: z.array(cardActionSchema).optional(),
-});
-
-const imageElementSchema = z.object({
-  type: z.literal('image'),
-  src: z.string().min(1),
-  alt: z.string().optional(),
-  caption: z.string().optional(),
-  action: z.string().min(1).optional(),
-  payload: z.record(z.string(), z.unknown()).optional(),
-});
-
-let assistantPanelElementSchemaRef: z.ZodTypeAny;
-
-const tabsElementSchema: z.ZodTypeAny = z.lazy(() => z.object({
-  type: z.literal('tabs'),
-  widgetId: z.string().min(1).optional(),
-  defaultTabId: z.string().min(1).optional(),
-  tabs: z.array(
-    z.object({
-      id: z.string().min(1),
-      label: z.string().min(1),
-      elements: z.array(assistantPanelElementSchemaRef).min(1),
-    }),
-  ).min(1),
-}));
-
-assistantPanelElementSchemaRef = z.union([
-  textElementSchema,
-  metricElementSchema,
-  listElementSchema,
-  tableElementSchema,
-  actionElementSchema,
-  chartElementSchema,
-  inputElementSchema,
-  formElementSchema,
-  datePickerElementSchema,
-  cardElementSchema,
-  imageElementSchema,
-  tabsElementSchema,
-]);
-
-export const assistantPanelElementSchema = assistantPanelElementSchemaRef;
-
-export const assistantPanelSpecSchema = z.object({
-  specVersion: z.literal('1'),
-  elements: z.array(assistantPanelElementSchema).min(1),
-});
-
-export type AssistantPanelElement = z.infer<typeof assistantPanelElementSchema>;
-export type AssistantPanelSpec = z.infer<typeof assistantPanelSpecSchema>;
diff --git a/src/renderer/navigation/tabPolicy.ts b/src/renderer/navigation/tabPolicy.ts
index 3bb7e19..d013282 100644
--- a/src/renderer/navigation/tabPolicy.ts
+++ b/src/renderer/navigation/tabPolicy.ts
@@ -133,11 +133,11 @@ export function openTemplateTab(
   openTab(getTemplateTabSpec(templateId, intent));
 }
 
-export function getGitDiffFileTabId(filePath: string): string {
+function getGitDiffFileTabId(filePath: string): string {
   return `git-diff:${filePath}`;
 }
 
-export function getGitDiffCommitTabId(commitHash: string): string {
+function getGitDiffCommitTabId(commitHash: string): string {
   return `git-diff:commit:${commitHash}`;
 }
 
diff --git a/src/renderer/plugins/imageResolverPlugin.ts b/src/renderer/plugins/imageResolverPlugin.ts
index c70f5a6..ab35a43 100644
--- a/src/renderer/plugins/imageResolverPlugin.ts
+++ b/src/renderer/plugins/imageResolverPlugin.ts
@@ -147,5 +147,3 @@ export const imageResolverPlugin = $prose(() => {
     },
   });
 });
-
-export default imageResolverPlugin;
diff --git a/src/renderer/plugins/macroPlugin.ts b/src/renderer/plugins/macroPlugin.ts
index c3309fb..e8f84d6 100644
--- a/src/renderer/plugins/macroPlugin.ts
+++ b/src/renderer/plugins/macroPlugin.ts
@@ -84,12 +84,12 @@ const remarkMacroParser: Plugin<[], Root> = () => {
 /**
  * Remark plugin registration for Milkdown
  */
-export const remarkMacro = $remark('remarkMacro', () => remarkMacroParser);
+const remarkMacro = $remark('remarkMacro', () => remarkMacroParser);
 
 /**
  * ProseMirror node schema for macros
  */
-export const macroNode = $node('macro', () => ({
+const macroNode = $node('macro', () => ({
   group: 'inline',
   inline: true,
   atom: true, // Treated as a single unit, not editable as text
@@ -154,7 +154,7 @@ export const macroNode = $node('macro', () => ({
  * Input rule to convert typed [[macro...]] to macro node
  * Triggers when user types ]] to close a macro
  */
-export const macroInputRule = $inputRule(() => {
+const macroInputRule = $inputRule(() => {
   // Match [[macroName param="value"]] when user types the closing ]]
   return new InputRule(
     /\[\[(\w+)(?:\s+([^\]]+))?\]\]$/,
@@ -185,5 +185,3 @@ export const macroPlugin = [
   macroNode,
   macroInputRule,
 ].flat();
-
-export default macroPlugin;
diff --git a/src/renderer/python/pythonApiContractV1.ts b/src/renderer/python/pythonApiContractV1.ts
index e74374c..ff53b8e 100644
--- a/src/renderer/python/pythonApiContractV1.ts
+++ b/src/renderer/python/pythonApiContractV1.ts
@@ -3,7 +3,6 @@ export {
   BDS_PYTHON_API_CONTRACT_V1,
   listPythonApiMethodNames,
   getPythonApiMethodContract,
-  getPythonApiDataStructureContracts,
 } from '../../main/shared/pythonApiContractV1';
 
 export type {
diff --git a/src/renderer/utils/index.ts b/src/renderer/utils/index.ts
index 0cf9296..8297d59 100644
--- a/src/renderer/utils/index.ts
+++ b/src/renderer/utils/index.ts
@@ -1,7 +1,6 @@
-export { AutoSaveManager, type AutoSaveConfig } from './autoSave';
+export { AutoSaveManager } from './autoSave';
 export { getContrastColor } from './color';
-export { unescapeMacroSyntax } from './markdownEscape';
-export { groupPostsByStatus, type GroupedPosts, type PostStatus } from './postGrouping';
+export { groupPostsByStatus } from './postGrouping';
 export { loadTabsForProject, saveTabsForProject } from './tabPersistence';
-export { buildTagColorMap, loadTagColorMap } from './tagColors';
+export { loadTagColorMap } from './tagColors';
 export { BDS_EVENT_SCRIPTS_CHANGED, BDS_EVENT_TEMPLATES_CHANGED, addWindowEventListener, dispatchWindowEvent, type BdsWindowEventName } from './windowEvents';
diff --git a/tests/engine/EmbeddingEngine.test.ts b/tests/engine/EmbeddingEngine.test.ts
index 6d559f5..550a522 100644
--- a/tests/engine/EmbeddingEngine.test.ts
+++ b/tests/engine/EmbeddingEngine.test.ts
@@ -138,6 +138,7 @@ function createMockPipeline(): EmbeddingPipeline {
 function makeEngine(tmpDir: string): EmbeddingEngine {
   return new EmbeddingEngine({
     getIndexPath: (projectId: string) => path.join(tmpDir, `${projectId}.usearch`),
+    modelCacheDir: path.join(tmpDir, 'model-cache'),
     createPipeline: async () => createMockPipeline(),
   });
 }
diff --git a/tests/ipc/handlers.test.ts b/tests/ipc/handlers.test.ts
index 5e43f1f..8a80c4b 100644
--- a/tests/ipc/handlers.test.ts
+++ b/tests/ipc/handlers.test.ts
@@ -339,8 +339,13 @@ vi.mock('fs/promises', () => ({
 }));
 
 let mockOfflineMode = false;
+const mockAutoTranslatePost = vi.fn().mockResolvedValue({ success: true });
+const mockAutoTranslateMediaMetadata = vi.fn().mockResolvedValue({ success: true });
+
 vi.mock('../../src/main/ipc/chatHandlers', () => ({
   isOfflineModeActive: vi.fn(() => mockOfflineMode),
+  autoTranslatePost: (...args: any[]) => mockAutoTranslatePost(...args),
+  autoTranslateMediaMetadata: (...args: any[]) => mockAutoTranslateMediaMetadata(...args),
 }));
 
 // Helper to invoke a registered handler
@@ -3022,6 +3027,45 @@ describe('IPC Handlers', () => {
         expect(result).toEqual({ taskStarted: true });
         expect(onProgress).toHaveBeenCalledWith(100, 'All translations are up to date');
       });
+
+      it('should use media canonical language, not post language, to determine target languages', async () => {
+        // Scenario: blog has en + de. An English media item is linked to a German post.
+        // The media is missing a German translation, NOT an English one.
+        const mockProject = createMockProject({ id: 'test-project', dataPath: '/mock/data' });
+        mockProjectEngine.getActiveProject.mockResolvedValue(mockProject);
+        mockProjectEngine.getDataDir.mockReturnValue('/mock/data/dir');
+        mockMetaEngine.getProjectMetadata.mockResolvedValue({
+          mainLanguage: 'de',
+          blogLanguages: ['de', 'en'],
+        });
+
+        const post1 = createMockPost({ id: 'post-1', title: 'German Post', language: 'de', status: 'published' });
+        // No posts missing post translations
+        mockPostEngine.getPostsFiltered.mockImplementation(async (filter: any) => {
+          if (filter.missingTranslationLanguage) return [];
+          return [post1]; // all published
+        });
+
+        // Post links to an English-language media item
+        mockPostMediaEngine.getLinkedMediaForPost.mockResolvedValue([{ mediaId: 'media-en-1', sortOrder: 0 }]);
+        mockMediaEngine.getMedia.mockResolvedValue(createMockMedia({ id: 'media-en-1', language: 'en' }));
+        mockMediaEngine.getMediaTranslations.mockResolvedValue([]); // no translations yet
+
+        const onProgress = vi.fn();
+        let taskDone: Promise<void> | undefined;
+        mockTaskManager.runTask.mockImplementation((task: any) => {
+          taskDone = task.execute(onProgress);
+          return taskDone;
+        });
+
+        const result = await invokeHandler('blog:fillMissingTranslations');
+        await taskDone;
+
+        expect(result).toEqual({ taskStarted: true });
+        // Should translate to German (the missing language), NOT to English (the media's own language)
+        expect(mockAutoTranslateMediaMetadata).toHaveBeenCalledTimes(1);
+        expect(mockAutoTranslateMediaMetadata).toHaveBeenCalledWith('media-en-1', 'de');
+      });
     });
 
     describe('blog:applyValidation', () => {
diff --git a/tests/renderer/hardcodedUiLiteralsPhase1.test.ts b/tests/renderer/hardcodedUiLiteralsPhase1.test.ts
index 6f61161..1c21c9e 100644
--- a/tests/renderer/hardcodedUiLiteralsPhase1.test.ts
+++ b/tests/renderer/hardcodedUiLiteralsPhase1.test.ts
@@ -11,15 +11,6 @@ function read(relativePath: string): string {
 describe('Phase 1 i18n hardcoded literals', () => {
   it('does not keep known hardcoded user-facing literals in renderer components', () => {
     const checks: Array<{ file: string; literals: string[] }> = [
-      {
-        file: 'src/renderer/components/PostSearchModal/PostSearchModal.tsx',
-        literals: [
-          'Search posts by title or content...',
-          'Searching...',
-          'Type at least 2 characters to search',
-          'Use ↑↓ to navigate, Enter to select, Esc to close',
-        ],
-      },
       {
         file: 'src/renderer/components/StatusBar/StatusBar.tsx',
         literals: ['<span>{totalPosts} posts</span>', '<span>{media.length} media</span>', 'Theme: {activeTheme}', 'aria-label="UI language"'],
diff --git a/tests/renderer/macros/photo_archive.test.ts b/tests/renderer/macros/photo_archive.test.ts
index 7dc1ce7..4469b01 100644
--- a/tests/renderer/macros/photo_archive.test.ts
+++ b/tests/renderer/macros/photo_archive.test.ts
@@ -8,7 +8,7 @@
 import { describe, it, expect, beforeEach } from 'vitest';
 import { clearMacros, getMacro, registerMacro } from '../../../src/renderer/macros/registry';
 import type { MacroParams, MacroRenderContext } from '../../../src/renderer/macros/types';
-import photoArchiveMacro from '../../../src/renderer/macros/definitions/photo_archive';
+import { photoArchiveMacro } from '../../../src/renderer/macros/definitions/photo_archive';
 
 describe('photo_archive macro', () => {
   beforeEach(() => {
diff --git a/vite.config.ts b/vite.config.ts
index 250fb8f..e6592e9 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -32,7 +32,7 @@ export default defineConfig({
             return 'react-vendor';
           }
 
-          if (id.includes('node_modules/zustand') || id.includes('node_modules/date-fns')) {
+          if (id.includes('node_modules/zustand')) {
             return 'app-vendor';
           }
         },