Free LLM router route matrix

Current local LiteLLM route readback for the enabled free-provider aliases. This proves the router still has at least one working path and that the first Groq benchmark fallback is usable.

Result
PASS_FLLMR_ROUTE_MATRIX

Health
200

No-paid guard
PASS

Generated
20260519T212502-0400

PASS

fllmr/free-chat

openrouter/nvidia/nemotron-3-super-120b-a12b:free

HTTP: 200
Elapsed: 1320 ms

ROUTE_MATRIX_OK

BLOCKED

fllmr/free-backup-nemotron-nano

openrouter/nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free

HTTP: 429
Elapsed: 2499 ms

{"code": "429", "message": "litellm.RateLimitError: RateLimitError: OpenrouterException - {\"error\":{\"message\":\"Rate limit exceeded: free-models-per-day. Add 10 credits to unlock 1000 free model requests per day\",\"code\":429,\"metadata\":{\"headers\":{\"X-RateLimit-Limit\":\"50\",\"X-RateLimit-Remaining\":\"0\",\"X-RateLimit-Reset\":\"1779321600000\"},\"provider_name\":null}},\"user_REDACTED\":\"user_REDACTED\"

PASS

fllmr/free-backup-poolside

openrouter/poolside/laguna-xs.2:free

HTTP: 200
Elapsed: 441 ms

ROUTE_MATRIX_OK

PASS

fllmr/free-backup-liquid

openrouter/liquid/lfm-2.5-1.2b-instruct:free

HTTP: 200
Elapsed: 207 ms

ROUTE_MATRIX_OK

PASS

fllmr/free-backup-nemotron-nano-30b

openrouter/nvidia/nemotron-3-nano-30b-a3b:free

HTTP: 200
Elapsed: 602 ms

ROUTE_MATRIX_OK

PASS

fllmr/free-backup-glm-air

openrouter/z-ai/glm-4.5-air:free

HTTP: 200
Elapsed: 2880 ms

ROUTE_MATRIX_OK

PASS

fllmr/free-codestral

mistral/codestral-latest

HTTP: 200
Elapsed: 534 ms

ROUTE_MATRIX_OK

PASS

fllmr/free-groq-benchmark

groq/openai/gpt-oss-120b

HTTP: 200
Elapsed: 265 ms

ROUTE_MATRIX_OK

Boundary: local router route checks only; no paid route, billing/card activation, public exposure, production OpenClaw routing mutation, scheduler integration, secret value disclosure, Claude lane, or workspace-claude edit.