fix: proxy-headers HTTPS redirect, httpx manquant, mcp<2.0.0, migration SSE->StreamableHTTP (30/07/2026)

app/main.py

@@ -1,11 +1,18 @@
 import asyncio
+import contextlib
 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")
+@contextlib.asynccontextmanager
+async def lifespan(app: FastAPI):
+    await init_db()
+    async with mcp.session_manager.run():
+        yield
+
+app = FastAPI(title="context-hub", version="1.0.0", lifespan=lifespan)
 
 app.add_middleware(
     CORSMiddleware,
@@ -21,9 +28,6 @@ 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():