{"message":"Ad Campaigner API","version":"1.0.0","endpoints":{"health":"/api/health","auth":{"login":"POST /api/auth/login","logout":"POST /api/auth/logout","me":"GET /api/auth/me"},"admin":"/api/admin","campaigns":"/api/campaigns","adsets":"/api/adsets","ads":"/api/ads","upload":"/api/upload"},"documentation":"All API routes are prefixed with /api"}