{"message":"Retail AI Backend API","version":"1.0.0","endpoints":{"health":"/health","auth":{"signUp":"POST /api/auth/signup","signIn":"POST /api/auth/signin","signOut":"POST /api/auth/signout","session":"GET /api/auth/session","googleAuth":"GET /api/auth/google","googleCallback":"GET /api/auth/callback/google","betterAuth":"/api/auth/* (Better Auth endpoints)"},"hello":"/api/hello","helloHealth":"/api/hello/health","docs":"/api/docs","openapi":"/api/openapi.json"}}