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+---
+phase: 06.2-close-v1-sharing-cloud-delete-csv-export-gaps
+plan: "01"
+subsystem: testing
+tags: [pytest, xfail, nyquist, tdd, shares, cloud-delete, audit]
+
+# Dependency graph
+requires:
+  - phase: 06.1-close-v1-audit-gaps
+    provides: "test_shares.py, test_audit.py, test_documents.py with existing passing tests"
+provides:
+  - "11 named xfail stubs (3 in test_shares.py, 3 in test_documents.py, 5 in test_audit.py)"
+  - "Nyquist contract: every Wave 1 and Wave 2 gap has a test function before implementation begins"
+affects:
+  - 06.2-02 (SHARE-03 — must promote test_share_create_with_permission, test_share_patch_permission, test_share_patch_idor)
+  - 06.2-03 (cloud-delete — must promote test_delete_cloud_document_propagates, test_delete_cloud_document_failure, test_delete_cloud_remove_only)
+  - 06.2-04 (ADMIN-06 — must promote all 5 test_audit_log_* and test_daily_* stubs)
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns:
+    - "inline pytest.xfail() as first function statement (strict=False by pytest default for inline calls)"
+
+key-files:
+  created: []
+  modified:
+    - backend/tests/test_shares.py
+    - backend/tests/test_documents.py
+    - backend/tests/test_audit.py
+
+key-decisions:
+  - "Used inline pytest.xfail() call (not decorator) — matches existing Wave 0 stub pattern across Phase 4/5"
+  - "All stubs accept the exact fixture signatures required by Wave 1/2 implementations to avoid signature drift"
+
+patterns-established:
+  - "Wave 0 Nyquist stub pattern: inline pytest.xfail(), exact function name, fixtures pre-declared, no implementation"
+
+requirements-completed:
+  - SHARE-03
+  - SHARE-05
+  - ADMIN-06
+
+# Metrics
+duration: 8min
+completed: 2026-05-31
+---
+
+# Phase 06.2 Plan 01: Wave 0 Nyquist Xfail Stubs Summary
+
+**11 named xfail stubs planted across test_shares.py, test_documents.py, and test_audit.py — establishing the Nyquist contract for all SHARE-03, cloud-delete, and ADMIN-06 gaps before Wave 1/2 implementation begins**
+
+## Performance
+
+- **Duration:** ~8 min
+- **Started:** 2026-05-31T09:50:00Z
+- **Completed:** 2026-05-31T09:58:12Z
+- **Tasks:** 3
+- **Files modified:** 3
+
+## Accomplishments
+
+- Added 3 xfail stubs to test_shares.py covering SHARE-03 permission field (POST), PATCH endpoint, and IDOR protection
+- Added 3 xfail stubs to test_documents.py covering cloud document delete propagation, structured failure response, and remove_only path
+- Added 5 xfail stubs to test_audit.py covering user_handle enrichment, handle-based filtering (known + unknown), daily exports listing, and daily export download
+- All 11 stubs report as XFAIL (not ERROR, not FAILED); full 3-file suite exits 0: 35 passed, 15 xfailed
+
+## Task Commits
+
+Each task was committed atomically:
+
+1. **Task 1: Add xfail stubs to test_shares.py (SHARE-03)** - `ecdeffb` (test)
+2. **Task 2: Add xfail stubs to test_documents.py (cloud-delete)** - `bbf5355` (test)
+3. **Task 3: Add xfail stubs to test_audit.py (ADMIN-06 gaps)** - `7271eeb` (test)
+
+## Files Created/Modified
+
+- `backend/tests/test_shares.py` - Appended 3 xfail stubs (test_share_create_with_permission, test_share_patch_permission, test_share_patch_idor)
+- `backend/tests/test_documents.py` - Appended 3 xfail stubs (test_delete_cloud_document_propagates, test_delete_cloud_document_failure, test_delete_cloud_remove_only)
+- `backend/tests/test_audit.py` - Appended 5 xfail stubs (test_audit_log_includes_user_handle, test_audit_log_filter_by_handle, test_audit_log_filter_unknown_handle, test_daily_exports_list, test_daily_export_download)
+
+## Decisions Made
+
+- Used inline `pytest.xfail("Phase 6.2 — not implemented yet")` as first statement rather than `@pytest.mark.xfail` decorator — matches existing inline pattern in test_documents.py and Wave 0 stubs in prior phases. Inline calls have `strict=False` by default (no CI breakage on unexpected pass).
+- All stubs include the full fixture signature required by Wave 1/2 implementations (async_client, auth_user, second_auth_user, db_session, admin_user) so Wave 1/2 executors can promote without changing the function signature.
+
+## Deviations from Plan
+
+None - plan executed exactly as written.
+
+## Issues Encountered
+
+None.
+
+## User Setup Required
+
+None - no external service configuration required.
+
+## Next Phase Readiness
+
+- Wave 0 Nyquist contract complete: all 11 test function names exist in their target files
+- Wave 1 (Plans 06.2-02 and 06.2-03) can promote stubs by implementing them in place without any rename
+- Wave 2 (Plan 06.2-04) can promote all 5 audit stubs once ADMIN-06 enrichment and daily exports are implemented
+- Pre-existing test suite health: 35 passed, 15 xfailed, exits 0 — no regressions introduced
+
+---
+*Phase: 06.2-close-v1-sharing-cloud-delete-csv-export-gaps*
+*Completed: 2026-05-31*
+
+## Self-Check: PASSED
+
+Verified:
+- `backend/tests/test_shares.py` — contains 3 new xfail stubs (ecdeffb)
+- `backend/tests/test_documents.py` — contains 3 new xfail stubs (bbf5355)
+- `backend/tests/test_audit.py` — contains 5 new xfail stubs (7271eeb)
+- All commits confirmed in git log
+- `pytest tests/test_shares.py tests/test_audit.py tests/test_documents.py -x -q` exits 0: 35 passed, 15 xfailed