INNER CODE UNIT · Python

_preflight_or_422

canarybyte/veridrop · web/server.py:280

async def _preflight_or_422(
    request: Request,
    base_url: str,
    api_key: str,
    model: str,
    protocol: str,
) -> None:
    """Run model-alive preflight; raise HTTPException 422 with structured
    detail if the model is dead so the frontend can offer a one-click swap
    to the protocol's recommended model.

    Honors the same per-IP probe rate limit. force=true on the request body
    skips preflight entirely (escape hatch when relays false-negative on
    our 4-token ping).
    """
    form = await request.form()
    if str(form.get("force") or "").lower() in ("1", "true", "yes"):
        return

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