Add WP3 WP4 status reconciliation handover

handover/workpackages/20260607_1425_wp3_wp4_status_reconciliation.md

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+# Handover — WP Status Reconciliation
+
+Repository: solidprivacy-nl/scrub  
+Workpackage title: WP Status Reconciliation — verify latest Tests and sync for WP3/WP4  
+Status: completed as documentation/status reconciliation; external run status not independently confirmed by connector
+
+## Summary
+
+This worker reconciled the status of:
+
+- WP3 / v12.6 Export sanity checks helper and tests;
+- WP4 / v13.0 Scrub Key specification and pure model, including commit `d65364373e4d3612044d8688ac17e11de81c07e5`.
+
+The required control files were read in order:
+
+1. `PROJECT_PROMPT.md`
+2. `ROADMAP.md`
+3. `WORKPACKAGES.md`
+4. `CHANGELOG.md`
+
+## Files added
+
+- `handover/workpackages/20260607_1425_wp3_wp4_status_reconciliation.md`
+
+## Files changed
+
+- `WORKPACKAGES.md`
+- `CHANGELOG.md`
+
+## Tests
+
+No tests were added or changed in this reconciliation package.
+
+Recorded existing test evidence:
+
+- WP3 handover records: `PYTHONPATH=. pytest -q tests/test_export_sanity.py tests/test_review_summary.py` -> 12 passed.
+- WP4 changelog records: `PYTHONPATH=. pytest -q tests/test_scrub_key.py` -> 6 passed.
+
+## Validation status
+
+WP3 commits checked:
+
+- `5342e0eef663817036e91f823b4389b338b9223c` — Add v12.6 export sanity helper.
+- `704ae03788702ce33263343743a69f8139f16319` — Add v12.6 export sanity tests.
+- `869e3804edf04e0cbdf7ab69b034e7bc707de8c3` — Update workpackage status for export sanity helper.
+- `4d721e3aed3bf28cfdaeb096c0e9cd227885f1a6` — Add v12.6 export sanity handover.
+
+WP4 commit checked:
+
+- `d65364373e4d3612044d8688ac17e11de81c07e5` — Record v13.0 Scrub Key model in changelog.
+
+Connector result:
+
+- Commit metadata and diffs were visible.
+- Combined status checks returned empty status lists for checked commits.
+- Commit run lookup returned empty run lists for checked commits.
+- Therefore this worker did not mark external runs as green.
+
+## GitHub Actions status
+
+Not independently confirmed by this worker.
+
+## Hugging Face sync status
+
+Not independently confirmed by this worker.
+
+## App verification status
+
+Not applicable for this reconciliation package. WP3 and WP4 are helper/spec/model work only at this stage. No UI behavior was changed by this reconciliation package.
+
+## Remaining risks
+
+- The GitHub UI may show successful runs, but this worker could not verify that through the connector.
+- WP3 UI integration should not start until the coordinator verifies the latest runs in the GitHub UI.
+- WP4 should remain non-UI/spec/model until v12.6 is stable and externally verified.
+
+## Next recommended step
+
+Coordinator should verify in GitHub UI:
+
+1. latest test run for WP3/v12.6 export sanity commits;
+2. latest sync run for WP3/v12.6 commits;
+3. latest test run for WP4/v13.0 Scrub Key commit `d65364373e4d3612044d8688ac17e11de81c07e5`;
+4. latest sync run for commit `d65364373e4d3612044d8688ac17e11de81c07e5`.
+
+If those are green, a follow-up closeout worker can mark WP3 helper and WP4 model as externally verified and then proceed to WP3 UI integration planning.