18 unmodified lines
19auth -> api: {userId: "usr_01"}
20api -> db: SELECT * FROM users WHERE id = ?
21db -> api: user profile
22api -> client: 200 {name: "Alice", email: "..."}
23
24client -> api: POST /logout (Bearer token)
25api -> auth: revokeToken()
26auth -> api: {revoked: true}
27api -> client: 200 {ok: true}