Function handle_selector

uncommon_route/proxy.py:3472–3510

GET /v1/selector — selector state. POST /v1/selector — preview candidate choice.

(request: Request)

        })

    async def handle_selector(request: Request) -> JSONResponse:
        """GET /v1/selector — selector state. POST /v1/selector — preview candidate choice."""
        if request.method == "GET":
            mode_param = request.query_params.get("mode")
            tier_param = request.query_params.get("tier")
            if (mode_param and not tier_param) or (tier_param and not mode_param):
                return JSONResponse(
                    {"error": "mode and tier must be provided together"},
                    status_code=400,
                )
            if mode_param and tier_param:
                try:
                    return JSONResponse(_selector_state(
                        bucket_mode=_parse_mode_value(mode_param),
                        bucket_tier=_parse_tier_value(tier_param),
                    ))
                except ValueError:
                    return JSONResponse(
                        {"error": "Invalid mode or tier"},
                        status_code=400,
                    )
            return JSONResponse(_selector_state())

        denied = _admin_auth_failure(request)
        if denied is not None:
            return denied
        body = await request.json()
        normalized_body, error = _normalize_selector_body(
            body,
            default_mode=_routing_store.default_mode(),
        )
        if normalized_body is None:
            return JSONResponse({"error": error or "Invalid selector payload"}, status_code=400)
        try:
            return JSONResponse(_build_selector_preview(normalized_body, request))
        except RoutingInfeasibleError as exc:
            payload = _routing_infeasible_payload(exc)
            payload["selector"] = _selector_state()
            return JSONResponse(payload, status_code=400)

    async def handle_routing_config(request: Request) -> JSONResponse:
        """GET /v1/routing-config — active routing mode/tier config. POST — update overrides."""