feat(schema): provenance grading — assertion intent, S×D×V axes, entity credibility (#504)#505
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feat(schema): provenance grading — assertion intent, S×D×V axes, entity credibility (#504)#505NOVA-Openclaw wants to merge 1 commit into
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…ty credibility (#504) Adds: - assertion_intent enum on entity_facts (asserted/speculative/fictional/disclaimed/hypothetical) - mutability_class enum on entity_facts (immutable/slow_changing/stateful) - reporting_distance + verification_quality on entity_fact_sources (per-source D and V axes) - source_session_id on entity_fact_sources (corroboration independence dedup) - entity_credibility table (computed per entity×domain S axis) - v_fact_grades view (query-time S×D×V computation) - v_current_stateful_facts view (latest stateful value per entity+key) - get_strictest_mutability() helper function - Rollback migration included Design decisions: - NULL verification_quality = not assessed (neutral 0.5); 0.0 = failed verification - Mixed mutability classes resolved by strictest-class rule (immutable > slow_changing > stateful) - v1 contradiction detector: differing values on immutable keys - S×D×V never materialized — computed at query time - Recompute cron is a deterministic script, not an agent prompt Closes #504
This was referenced Jul 20, 2026
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Schema additions
Design decisions
Notes
Closes #504