feat: implement project relational data platform

app/main.py

@@ -11,6 +11,7 @@ from starlette.exceptions import HTTPException as StarletteHTTPException
 from app.api import api_router, openapi_router
 from app.api.mcp_server import router as mcp_router
 from app.db import init_pool, close_pool
+from app.data_platform.schema import ensure_platform_registry
 
 
 class SPAStaticFiles(StaticFiles):
@@ -33,6 +34,7 @@ class SPAStaticFiles(StaticFiles):
 @asynccontextmanager
 async def lifespan(_app: FastAPI):
     await init_pool()
+    await ensure_platform_registry()
     yield
     await close_pool()