Reorganize to fastapi template

app/api/__init__.py

@@ -0,0 +1,3 @@
+"""API package for routers."""
+
+__all__ = ["health"]

app/api/health.py

@@ -0,0 +1,9 @@
+from fastapi import APIRouter
+
+router = APIRouter()
+
+
+@router.get("/health", tags=["health"])
+async def health_check():
+    """Minimal health endpoint."""
+    return {"status": "ok"}