{
  "id": "model-test-fixture",
  "command": "model-test-fixture --purpose verification --backend <opencode|codex|north> --workspace <dir> --trust \"<prompt>\" --task-slug <slug>",
  "summary": "The one allowed route for any model-backed test/probe/smoke/canary/integration verification.",
  "intent_phrases": ["write a probe that calls a model", "verify this behavior with a live model call", "run an integration smoke test against an LLM"],
  "replaces": ["raw opencode run", "raw cdx exec", "raw codex exec", "raw claude -p"],
  "preconditions": "One of the fixed free-route backends: opencode deepseek-v4-flash-free, codex gpt-5.3-codex-spark, north via na.sh cohere/north-mini-code:free.",
  "effects": "Dispatches to the fixed free-route model and returns its output; never falls back to another engine/model/account.",
  "risk": "reversible",
  "example": "model-test-fixture --purpose verification --backend opencode --workspace /tmp/probe --trust 'Reply with exactly OK' --task-slug smoke-check",
  "help_probe": "model-test-fixture --help"
}