Scaffold V2 backend foundation

ai_knowledge_base_v2/apps/backend/app/api/health.py

@@ -0,0 +1,12 @@
+from __future__ import annotations
+
+from fastapi import APIRouter
+
+from app.core.responses import api_success
+
+router = APIRouter()
+
+
+@router.get("/health")
+def health() -> dict:
+    return api_success({"status": "ok"})