feat: Add MongoIdempotencyStoreOptions for MongoDB configuration

feat: Implement BsonJsonConverter for converting BsonDocument and BsonArray to JSON

fix: Update project file to include MongoDB.Bson package

test: Add GraphOverlayExporterTests to validate NDJSON export functionality

refactor: Refactor Program.cs in Attestation Tool for improved argument parsing and error handling

docs: Update README for stella-forensic-verify with usage instructions and exit codes

feat: Enhance HmacVerifier with clock skew and not-after checks

feat: Add MerkleRootVerifier and ChainOfCustodyVerifier for additional verification methods

fix: Update DenoRuntimeShim to correctly handle file paths

feat: Introduce ComposerAutoloadData and related parsing in ComposerLockReader

test: Add tests for Deno runtime execution and verification

test: Enhance PHP package tests to include autoload data verification

test: Add unit tests for HmacVerifier and verification logic

docs/benchmarks/vex-evidence-playbook.md

@@ -137,4 +137,4 @@ Automate collection via `Makefile` or `bench/run.sh` pipeline (task `BENCH-AUTO-
 - `BENCH-AUTO-401-019` — automation to populate `bench/findings/**`, run baseline scanners, and update `results/summary.csv`.
 - `DOCS-VEX-401-012` — maintain this playbook + README templates, document verification workflow.
 
-Update `docs/implplan/SPRINT_401_reachability_evidence_chain.md` whenever these tasks move state.
+Update `docs/implplan/SPRINT_0401_0001_0001_reachability_evidence_chain.md` whenever these tasks move state.