Build temetro app: dark theme, clinical sidebar, AI chat, settings page

- Linear-inspired dark theme (app/globals.css), forced dark in layout
- Clinical sidebar (components/sidebar-02) with temetro brand
- AI chat UI (components/chat): Cursor-style input, UI-only mock replies
- Settings page (components/settings): Polar-style tabs/sections, UI only
- Route-group app shell: app/(app)/{layout,page,settings}
- shadcn (Base UI) + ai-elements component libraries
- CLAUDE.md: architecture notes + per-folder commit policy

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/package.json

@@ -9,9 +9,36 @@
     "lint": "eslint"
   },
   "dependencies": {
+    "@base-ui/react": "^1.5.0",
+    "@radix-ui/react-use-controllable-state": "^1.2.2",
+    "@rive-app/react-webgl2": "^4.28.6",
+    "@streamdown/cjk": "^1.0.3",
+    "@streamdown/code": "^1.1.1",
+    "@streamdown/math": "^1.0.2",
+    "@streamdown/mermaid": "^1.0.2",
+    "@xyflow/react": "^12.10.2",
+    "ai": "^6.0.193",
+    "ansi-to-react": "^6.2.6",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "cmdk": "^1.1.1",
+    "embla-carousel-react": "^8.6.0",
+    "framer-motion": "^12.40.0",
+    "lucide-react": "^1.17.0",
+    "media-chrome": "^4.19.0",
+    "motion": "^12.40.0",
+    "nanoid": "^5.1.11",
     "next": "16.2.6",
     "react": "19.2.4",
-    "react-dom": "19.2.4"
+    "react-dom": "19.2.4",
+    "react-jsx-parser": "^2.4.1",
+    "shadcn": "^4.8.3",
+    "shiki": "^4.1.0",
+    "streamdown": "^2.5.0",
+    "tailwind-merge": "^3.6.0",
+    "tokenlens": "^1.3.1",
+    "tw-animate-css": "^1.4.0",
+    "use-stick-to-bottom": "^1.1.4"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",