feat: add local admin authentication

app/main.py

@@ -1,7 +1,9 @@
 from fastapi import FastAPI
+from starlette.middleware.sessions import SessionMiddleware
 
 from app.config import Settings, get_settings
 from app.db.session import create_db_engine, create_session_factory, initialize_schema
+from app.web.routes import router as web_router
 
 
 def create_app(settings: Settings | None = None) -> FastAPI:
@@ -18,6 +20,14 @@ def create_app(settings: Settings | None = None) -> FastAPI:
     app.state.db_engine = engine
     app.state.session_factory = create_session_factory(engine)
 
+    app.add_middleware(
+        SessionMiddleware,
+        secret_key=resolved.secret_key,
+        same_site="lax",
+        https_only=False,
+    )
+    app.include_router(web_router)
+
     @app.get("/healthz")
     def healthz() -> dict[str, str]:
         return {"status": "ok"}