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  feat(provider): mark_superseded verb — Worldtree #364 contradiction retirement + bifrost 1.1.4

  vh released this 2026-07-16 22:37:31 -07:00 | 104 commits to main since this release

  Implement mark_superseded(ids, *, superseded_by=None, reason=None) — the SOLE
  supersession verb Worldtree #364's promotion-hygiene reconciliation calls to retire
  contradicted facts (wire shape confirmed by worldtree-dev, bifrost_memory_store.py:293).
  Live re-verify (2026-07-16) proved our provider 500-crashed on this call (unimplemented)
  → #364's retirement couldn't land + a retry-storm bloated the store; the readout only
  passed via transient recency-eviction.

  • mark_superseded mirrors the reference _mark_lifecycle: sets top-level
    superseded=True (+ superseded_by/superseded_reason when non-None), increments
    revision, NON-destructive (get still returns; recoverable). Unknown ids skipped.
  • _is_live (INV-011) now short-circuits on superseded is True, so a retired chunk is
    excluded from scan (person-prime) — durable retirement, not just recency-eviction.
    search is unfiltered (matches reference; WT re-checks liveness client-side).
  • Contract: un-defer mark_superseded (+ FN spec, INV-011); TDD 5/5 (retires-from-scan
    tracer, non-destructive-get, unknown-id no-op, non-None-fields-only, parity #195).
  • bifrost 1.1.1→1.1.4: hasattr-gate backstop for the maintenance verbs (unimplemented
    verb → unsupported_capability 400, never AttributeError/500/retry-storm — the gap we
    surfaced) + the 1.1.3 scan/cursor conformance harness. Full suite 644 green.

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