feat: add evidence receipt hash chain prototype - #279
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Disabled-by-default audit feature (EVIDENCE_RECEIPTS_ENABLED): appends a hash-chained JSONL receipt per finished/failed toolcall under <DATA_DIR>/flow-<id>/evidence/receipts.jsonl, recording toolcall provenance plus SHA-256 hashes of args/result (no raw content). Integration adapted to current main: the original PR built the receipt from a database.Toolcall returned by ce.db.UpdateToolcall*Result, which the executor no longer uses after the ToolCallLogProvider (tclp) refactor. Receipts are now built from the in-scope toolcall data at the tclp log sites and recorded non-fatally, so a receipt failure is logged and never fails an otherwise-successful toolcall. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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hey @mason5052 however, this doesn't align with our current development direction. the provenance/audit functionality you're proposing is already fully covered by our ongoing Graphiti integration, so we won't need equivalent changes on the backend side for this. I'll close this PR for now, but feel free to reach out if you'd like to discuss how this could tie into the Graphiti work instead. |
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Summary
<DATA_DIR>/flow-<flow_id>/evidence/receipts.jsonlValidation
go test ./pkg/tools/...go test ./pkg/config/...git diff --cached --checkRefs #235