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| """TypeSafe Jev: a System One classifier. It picks from options we define (with probabilities) and never | |
| generates text, so it is the fast, cheap way to decide what a chat message needs. | |
| API: POST {TYPESAFE_URL}/v1/systemone with {"state", "model", "questions"}; answers come back per | |
| question id with "choice", "confidence" and "probabilities". https://docs.typesafe.ai/primitives/choice | |
| """ | |
| from dataclasses import dataclass | |
| import httpx | |
| from app.config import settings | |
| class JevError(RuntimeError): | |
| pass | |
| class Choice: | |
| choice: str | |
| confidence: float | |
| probabilities: dict[str, float] | |
| def configured() -> bool: | |
| return bool(settings.typesafe_api_key) | |
| def decide(state: str | dict, questions: dict[str, dict], timeout: float = 6.0) -> dict[str, Choice]: | |
| """Ask several Choice questions about one state in a single request (Jev evaluates them in parallel).""" | |
| if not configured(): | |
| raise JevError("TYPESAFE_API_KEY is not set") | |
| body = { | |
| "state": state, | |
| "model": settings.typesafe_model, | |
| "questions": {qid: {"type": "choice", **q} for qid, q in questions.items()}, | |
| } | |
| try: | |
| resp = httpx.post(f"{settings.typesafe_url.rstrip('/')}/v1/systemone", json=body, timeout=timeout, | |
| headers={"Authorization": f"Bearer {settings.typesafe_api_key}"}) | |
| except httpx.HTTPError as exc: | |
| raise JevError(f"Jev unreachable: {exc}") from exc | |
| if resp.status_code >= 400: | |
| raise JevError(f"Jev {resp.status_code}: {resp.text[:300]}") | |
| answers = resp.json().get("answers") or {} | |
| out = {} | |
| for qid in questions: | |
| a = answers.get(qid) or {} | |
| if "choice" not in a: | |
| raise JevError(f"Jev returned no answer for {qid}") | |
| out[qid] = Choice(a["choice"], float(a.get("confidence") or 0), a.get("probabilities") or {}) | |
| return out | |