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>

skills-lock.json

@@ -0,0 +1,17 @@
+{
+  "version": 1,
+  "skills": {
+    "migrate-radix-to-base": {
+      "source": "shadcn/ui",
+      "sourceType": "github",
+      "skillPath": "skills/migrate-radix-to-base/SKILL.md",
+      "computedHash": "e1f2030ee5059be3dff0812ca0e4b995ee9fa3132176f049ebe6c90346a6755e"
+    },
+    "shadcn": {
+      "source": "shadcn/ui",
+      "sourceType": "github",
+      "skillPath": "skills/shadcn/SKILL.md",
+      "computedHash": "d81caa0f86aabab65b25e302d454f23a3328760386ed9078345584c0d5c8058e"
+    }
+  }
+}