Build TercihAI MVP: landing page, YÖK Atlas data pipeline, rank-based results

- Add product vision/market research doc (VISION.md)
- Set up shadcn/ui (radix + nova preset) with blue/orange theme, Outfit + Work Sans fonts
- Landing page: hero with rank input, problem/steps sections, comparison table, FAQ
- Data pipeline: CSV archive ingest (2021-2024) + live YÖK Atlas API refresh (2025)
  into SQLite (npm run ingest / refresh); zeros normalized to NULL
- /sonuc page: hayal/dengeli/garanti buckets by COALESCE(sira2025, sira2024),
  score-type switcher, 2024→2025 trend indicators
- Add ui-ux-pro-max and shadcn agent skills, shadcn MCP config, launch.json

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

package.json

@@ -6,21 +6,35 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "eslint"
+    "lint": "eslint",
+    "ingest": "tsx scripts/ingest.ts",
+    "refresh": "tsx scripts/refresh.ts"
   },
   "dependencies": {
+    "better-sqlite3": "^12.11.1",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "lucide-react": "^1.25.0",
     "next": "16.2.10",
+    "next-themes": "^0.4.6",
+    "radix-ui": "^1.6.3",
     "react": "19.2.4",
-    "react-dom": "19.2.4"
+    "react-dom": "19.2.4",
+    "sonner": "^2.0.7",
+    "tailwind-merge": "^3.6.0",
+    "tw-animate-css": "^1.4.0"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
+    "@types/better-sqlite3": "^7.6.13",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "eslint": "^9",
     "eslint-config-next": "16.2.10",
+    "shadcn": "^4.13.1",
     "tailwindcss": "^4",
+    "tsx": "^4.23.1",
     "typescript": "^5"
   }
 }