feat(AC-235): append-only context mutation log with checkpoint replay#369
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jayscambler merged 2 commits intomainfrom Mar 13, 2026
Merged
feat(AC-235): append-only context mutation log with checkpoint replay#369jayscambler merged 2 commits intomainfrom
jayscambler merged 2 commits intomainfrom
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Add JSONL-backed append-only mutation log for auditing and replaying context changes per scenario. New knowledge/mutation_log.py provides: - MutationEntry dataclass for typed mutation events (schema_change, lesson_added/removed, playbook_updated, notebook_updated, run_outcome) - MutationLog with append/read/filter operations on JSONL files - Checkpoint creation and retrieval for last-known-good state - Replay from checkpoint with optional type filtering - Log bounding/truncation preserving checkpoints - Audit summary for operator visibility - ArtifactStore.mutation_log property for unified access
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Summary
knowledge/mutation_log.pywithMutationEntry,Checkpoint, andMutationLogfor auditable, append-only context mutation trackingknowledge/<scenario>/mutation_log.jsonlArtifactStore.mutation_logproperty for unified accessCloses AC-235
What changed
src/autocontext/knowledge/mutation_log.pyMutationEntry,Checkpoint,MutationLogsrc/autocontext/storage/artifacts.pymutation_logpropertytests/test_mutation_log.pyTest plan