Fix remaining old terminology references

- backend/app/main.py: grove/ -> project/ in SPA route check
- frontend/vite.config.ts: /grove -> /project proxy
- helm/orchard/templates/NOTES.txt: Updated API examples
- migrations/001_initial.sql: Updated table/column names

backend/app/main.py

@@ -42,7 +42,7 @@ if os.path.exists(static_dir):
     @app.get("/{full_path:path}")
     async def serve_spa_routes(full_path: str):
         # Don't catch API routes
-        if full_path.startswith("api/") or full_path.startswith("health") or full_path.startswith("grove/"):
+        if full_path.startswith("api/") or full_path.startswith("health") or full_path.startswith("project/"):
             from fastapi import HTTPException
             raise HTTPException(status_code=404, detail="Not found")