feat(ingest): add span re-anchoring and stale-span linter (Phase 5) (#450)#819
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…450) When a source is re-ingested, existing spans are matched to new spans by fingerprint so claim references (source_span_ids) stay valid. Unmatched old spans are marked stale. A new linter rule surfaces articles with claims pointing to stale spans as structural warnings. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
stale=Truedetect_stale_spans()linter rule surfaces articles with claims pointing to stale source spans (severity: WARN)staleboolean column tosourcespantableChanges
SourceSpan.stalefield + migrationreanchor_spans()iningest/spans.py— fingerprint-based matchingpersist_spans()auto-delegates to re-anchoring when existing spans foundstale_spans.pylinter rule wired into the lint pipelineTest plan
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