OpenAPI Spec Generator

GET /users/{id} — retrieves a single user. Parameters: path id (integer, required). Responses: 200 returns a User object {id, email, name, created_at}; example {id: 12, email: a@b.com, name: Sam, created_at: 2025-01-04}. 404 returns {error: user not found}. 401 returns {error: unauthorized}. Auth: Bearer token in the Authorization header. The full spec would nest these under paths, components.schemas.User, and securitySchemes.bearerAuth.