{"message":"Reindeer Server API","version":"1.0.0","endpoints":{"auth":{"GET /auth/google-url":"Get Google OAuth URL","GET /auth/callback":"Handle OAuth callback","POST /auth/session":"Verify session with tokens","GET /auth/user":"Get current user (requires Bearer token)","POST /auth/signout":"Sign out user (requires Bearer token)"},"GET /health":"Health check","GET /":"API information"}}