Backend enhancements: auth, channels, restaurants, daemon improvements

- Add admin auth dependency and role checks
- Expand channel and restaurant API routes
- Improve YouTube transcript fetching
- Enhance daemon worker with better error handling and scheduling

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/api/main.py

@@ -5,7 +5,7 @@ from __future__ import annotations
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
-from api.routes import restaurants, channels, videos, search, auth, reviews, admin_users, stats
+from api.routes import restaurants, channels, videos, search, auth, reviews, admin_users, stats, daemon
 
 app = FastAPI(
     title="Tasteby API",
@@ -29,6 +29,7 @@ app.include_router(auth.router, prefix="/api/auth", tags=["auth"])
 app.include_router(reviews.router, prefix="/api", tags=["reviews"])
 app.include_router(admin_users.router, prefix="/api/admin/users", tags=["admin-users"])
 app.include_router(stats.router, prefix="/api/stats", tags=["stats"])
+app.include_router(daemon.router, prefix="/api/daemon", tags=["daemon"])
 
 
 @app.get("/api/health")