feat: Complete internationalization and code cleanup

## Translation Files
- Add 11 new language files (es, de, pt, ru, zh, ja, ko, ar, hi, nl, pl)
- Add 100+ missing translation keys across all 15 languages
- New sections: notebook, pagination, ai.batchOrganization, ai.autoLabels
- Update nav section with workspace, quickAccess, myLibrary keys

## Component Updates
- Update 15+ components to use translation keys instead of hardcoded text
- Components: notebook dialogs, sidebar, header, note-input, ghost-tags, etc.
- Replace 80+ hardcoded English/French strings with t() calls
- Ensure consistent UI across all supported languages

## Code Quality
- Remove 77+ console.log statements from codebase
- Clean up API routes, components, hooks, and services
- Keep only essential error handling (no debugging logs)

## UI/UX Improvements
- Update Keep logo to yellow post-it style (from-yellow-400 to-amber-500)
- Change selection colors to #FEF3C6 (notebooks) and #EFB162 (nav items)
- Make "+" button permanently visible in notebooks section
- Fix grammar and syntax errors in multiple components

## Bug Fixes
- Fix JSON syntax errors in it.json, nl.json, pl.json, zh.json
- Fix syntax errors in notebook-suggestion-toast.tsx
- Fix syntax errors in use-auto-tagging.ts
- Fix syntax errors in paragraph-refactor.service.ts
- Fix duplicate "fusion" section in nl.json

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Ou une version plus courte si vous préférez :

feat(i18n): Add 15 languages, remove logs, update UI components

- Create 11 new translation files (es, de, pt, ru, zh, ja, ko, ar, hi, nl, pl)
- Add 100+ translation keys: notebook, pagination, AI features
- Update 15+ components to use translations (80+ strings)
- Remove 77+ console.log statements from codebase
- Fix JSON syntax errors in 4 translation files
- Fix component syntax errors (toast, hooks, services)
- Update logo to yellow post-it style
- Change selection colors (#FEF3C6, #EFB162)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

keep-notes/package.json

@@ -3,7 +3,8 @@
   "version": "0.2.0",
   "private": true,
   "scripts": {
-    "dev": "next dev",
+    "dev": "set TURBOPACK=0&& next dev",
+    "dev:turbo": "next dev",
     "build": "next build",
     "start": "next start",
     "db:generate": "prisma generate",
@@ -26,10 +27,14 @@
     "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-popover": "^1.1.15",
+    "@radix-ui/react-radio-group": "^1.3.8",
+    "@radix-ui/react-select": "^2.2.6",
     "@radix-ui/react-separator": "^1.1.8",
     "@radix-ui/react-slot": "^1.2.4",
+    "@radix-ui/react-switch": "^1.2.6",
     "@radix-ui/react-tooltip": "^1.2.8",
     "ai": "^6.0.23",
+    "autoprefixer": "^10.4.23",
     "bcryptjs": "^3.0.3",
     "better-sqlite3": "^12.5.0",
     "cheerio": "^1.1.2",
@@ -44,6 +49,7 @@
     "next-auth": "^5.0.0-beta.30",
     "nodemailer": "^7.0.12",
     "ollama-ai-provider": "^1.2.0",
+    "postcss": "^8.5.6",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "react-grid-layout": "^2.2.2",
@@ -54,6 +60,8 @@
     "remark-math": "^6.0.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
+    "tinyld": "^1.3.4",
+    "vazirmatn": "^33.0.3",
     "web-animations-js": "^2.3.2",
     "zod": "^4.3.5"
   },
@@ -69,7 +77,8 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "prisma": "^5.22.0",
-    "tailwindcss": "^4",
+    "tailwindcss": "^3.4.19",
+    "tsx": "^4.21.0",
     "tw-animate-css": "^1.4.0",
     "typescript": "^5"
   }