deploy: fix TemplateResponse signature

app/main.py

@@ -0,0 +1,36 @@
+import asyncio
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+from fastapi.middleware.cors import CORSMiddleware
+from app.routes import api, admin, mcp
+from app.models import init_db
+
+app = FastAPI(title="context-hub", version="1.0.0")
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.mount("/static", StaticFiles(directory="static"), name="static")
+
+app.include_router(api.router)
+app.include_router(admin.router)
+app.include_router(mcp.router)
+
+@app.on_event("startup")
+async def on_startup():
+    await init_db()
+
+@app.get("/health")
+async def health_check():
+    return {"status": "ok"}
+
+from fastapi.responses import RedirectResponse
+
+@app.get("/")
+async def root():
+    return RedirectResponse(url="/login")