HTTP proxy layer — axum router, route handlers, and error mapping.
Module layout
- [
handler] — HTTP route handlers (API, Amp, management). - [
router] — Axum router construction and route registration. - [
error] — [ApiError] type for OpenAI-compatible error responses. - [
openapi] —OpenAPIspecification generation. - [
usage] — In-memory request/token usage tracking.