FC-hardcoded-absolute-date-bound.json

{
  "schema_version": 1,
  "id": "FC-hardcoded-absolute-date-bound",
  "violated_contract": "A plausibility bound on dates must be expressed relative to the data's own reference date. A hardcoded absolute year or date inverts once real time passes it: it stops rejecting implausible values and starts discarding every valid one, silently.",
  "canonical_prevention": "Bound extracted or user-supplied dates against a reference date carried with the content (e.g. utils.llm.temporal.normalize_extracted_dates, which offsets from the conversation's own date), never against a literal calendar year in code or in an LLM prompt.",
  "evidence_prs": [10864],
  "scope_hints": ["backend/utils/llm/**"],
  "status": "open",
  "canonical_prevention_artifact": ["backend/utils/llm/temporal.py"]
}