feat(06-01): install lucide-react and create icon data with LucideIcon component

- Install lucide-react v0.577.0
- Create iconData.ts with 119 curated icons across 8 groups
- Add LucideIcon component with kebab-to-PascalCase conversion and fallback
- Export EMOJI_TO_ICON_MAP for migration compatibility
- Build succeeds with new dependency

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -37,6 +37,7 @@
     "clsx": "^2.1.1",
     "drizzle-orm": "^0.45.1",
     "hono": "^4.12.8",
+    "lucide-react": "^0.577.0",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
     "tailwindcss": "^4.2.1",