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pravit-ampandPravit Ampapathini
0775b0114e
* fix(provenance): use timezone-aware UTC and assert stored records (#946) Replace datetime.utcnow() in ProvenanceManager, ProvenanceEntry, BridgeAxiom, and GraphBuilderWithProvenance with datetime.now(timezone.utc), matching PipelineWithProvenance. KG workflow and integration tests now read provenance back through get_provenance() and assert algorithm metadata instead of generated IDs, and call tracker methods that actually persist records. * fix(provenance): compare provenance timestamps as instants, not strings query_recorded_between() and audit_log() filtered and sorted on raw ISO strings. With the timezone-aware change, a store can hold both pre-existing naive stamps and offset-bearing ones, and the two are not string-comparable: "...500000+00:00" sorts above "...500000", so a record at the identical instant as a naive bound falls outside the range that should contain it. Both now parse through _parse_timestamp() before comparing, reading naive values as UTC. This mirrors ProvenanceTracker._parse_dt() in kg/, the class ProvenanceManager replaces, so both sides of the migration answer a range query the same way. Unparseable stored timestamps are skipped and logged rather than silently dropped; unparseable bounds raise ValueError. --------- Co-authored-by: Pravit Ampapathini <pravit.amp@gmail.com>