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Trace-forward node: Days 1-4 (recursive traversal, regions, authority gates, Tier 3 disclosure) - #8
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…rt for alias tracking and nested relationships
…h registration and lookup endpoints
…t/{id}, and add three-list pytest
…d recursive reverse lookup support
…README Adds a detailed traceability design doc with mermaid diagrams, a worked synthetic cyclospora recall example (hypothetical Taylor Farms -> growers -> Taco Bell + grocer), the completeness reasoning, and a contrast with existing networked-traceability platforms. Documents the new list/region endpoints in the README endpoints overview. Co-authored-by: Cursor <cursoragent@cursor.com>
…ions Clarifies that no traceability query is anonymous: the node (not the Hub) verifies the caller credential on every query. Trace-back requires a grant for the product being traced; trace-forward additionally requires the Hub capability and seed authorization, and identity disclosure requires an accredited, revocable authority credential and is audited. Co-authored-by: Cursor <cursoragent@cursor.com>
A recall investigation starts at a product the investigator does not own (lettuce off a grocery shelf), so the accredited authority credential overrides the grant requirement for trace-back as well as gating trace-forward. Documents the round-trip flow, audit symmetry (traceback.invoked), and identity resolution following the credential rather than the direction. Co-authored-by: Cursor <cursoragent@cursor.com>
… acre limit, and add Gate A/B security checks with MEAL auditing
…pdate MEAL audit logging to use centralized remote transmission
…ove geo_id extraction logic in test API
…nto a helper function
sumerjohal
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Introduces ListArtifact, reverse edge lookups, Hub JWT auth, and automated three-list pytest.