diff --git a/.planning/phases/06-new-backends/06-VALIDATION.md b/.planning/phases/06-new-backends/06-VALIDATION.md
index 18fff78..bc9f0df 100644
--- a/.planning/phases/06-new-backends/06-VALIDATION.md
+++ b/.planning/phases/06-new-backends/06-VALIDATION.md
@@ -1,10 +1,11 @@
 ---
 phase: 6
 slug: new-backends
-status: draft
-nyquist_compliant: false
-wave_0_complete: false
+status: complete
+nyquist_compliant: true
+wave_0_complete: true
 created: 2026-03-30
+audited: 2026-03-31
 ---
 
 # Phase 6 — Validation Strategy
@@ -38,14 +39,14 @@ created: 2026-03-30
 
 | Task ID | Plan | Wave | Requirement | Test Type | Automated Command | File Exists | Status |
 |---------|------|------|-------------|-----------|-------------------|-------------|--------|
-| 06-W0-01 | W0 | 0 | BACK-01..04 | unit | `npx vitest run src/schemas/registry.test.ts` | ❌ W0 | ⬜ pending |
-| 06-W0-02 | W0 | 0 | BACK-01..04 | unit | `npx vitest run src/generators/rclone-conf.test.ts` | ❌ W0 | ⬜ pending |
-| 06-W0-03 | W0 | 0 | BACK-01..04 | unit | `npx vitest run src/components/wizard/RemoteConfigStep.test.tsx` | ❌ W0 | ⬜ pending |
-| 06-01-01 | 01 | 1 | BACK-01 | unit | `npx vitest run src/schemas/registry.test.ts src/generators/rclone-conf.test.ts` | ❌ W0 | ⬜ pending |
-| 06-01-02 | 01 | 1 | BACK-02 | unit | `npx vitest run src/schemas/registry.test.ts src/generators/rclone-conf.test.ts src/components/wizard/RemoteConfigStep.test.tsx` | ❌ W0 | ⬜ pending |
-| 06-01-03 | 01 | 1 | BACK-03 | unit | `npx vitest run src/schemas/registry.test.ts src/generators/rclone-conf.test.ts` | ❌ W0 | ⬜ pending |
-| 06-01-04 | 01 | 1 | BACK-04 | unit | `npx vitest run src/schemas/registry.test.ts src/generators/rclone-conf.test.ts` | ❌ W0 | ⬜ pending |
-| 06-02-01 | 02 | 2 | BACK-01..04 | unit | `npx vitest run` | ✅ | ⬜ pending |
+| 06-W0-01 | W0 | 0 | BACK-01..04 | unit | `npx vitest run src/schemas/registry.test.ts` | ✅ | ✅ green |
+| 06-W0-02 | W0 | 0 | BACK-01..04 | unit | `npx vitest run src/generators/rclone-conf.test.ts` | ✅ | ✅ green |
+| 06-W0-03 | W0 | 0 | BACK-01..04 | unit | `npx vitest run src/components/wizard/RemoteConfigStep.test.tsx` | ✅ | ✅ green |
+| 06-01-01 | 01 | 1 | BACK-01 | unit | `npx vitest run src/schemas/registry.test.ts src/generators/rclone-conf.test.ts` | ✅ | ✅ green |
+| 06-01-02 | 01 | 1 | BACK-02 | unit | `npx vitest run src/schemas/registry.test.ts src/generators/rclone-conf.test.ts src/components/wizard/RemoteConfigStep.test.tsx` | ✅ | ✅ green |
+| 06-01-03 | 01 | 1 | BACK-03 | unit | `npx vitest run src/schemas/registry.test.ts src/generators/rclone-conf.test.ts` | ✅ | ✅ green |
+| 06-01-04 | 01 | 1 | BACK-04 | unit | `npx vitest run src/schemas/registry.test.ts src/generators/rclone-conf.test.ts` | ✅ | ✅ green |
+| 06-02-01 | 02 | 2 | BACK-01..04 | unit | `npx vitest run` | ✅ | ✅ green |
 
 *Status: ⬜ pending · ✅ green · ❌ red · ⚠️ flaky*
 
@@ -53,9 +54,9 @@ created: 2026-03-30
 
 ## Wave 0 Requirements
 
-- [ ] `src/schemas/registry.test.ts` — update `EXPECTED_BACKENDS` to include all 7 backends; add SFTP assertions (host, user, pass, key_pem); add B2 (account, key); add GCS (project_number, service_account_credentials); add OneDrive (token, drive_id, drive_type)
-- [ ] `src/generators/rclone-conf.test.ts` — add fixtures for onedrive, sftp (password), sftp (key), gcs, b2; assert type string and key fields; assert gcs produces `type = google cloud storage` (with spaces)
-- [ ] `src/components/wizard/RemoteConfigStep.test.tsx` — add describe blocks for BACK-01 (OneDrive), BACK-02 (SFTP with toggle assertions), BACK-03 (GCS), BACK-04 (B2) using existing `renderWithBackend` helper
+- [x] `src/schemas/registry.test.ts` — update `EXPECTED_BACKENDS` to include all 7 backends; add SFTP assertions (host, user, pass, key_pem); add B2 (account, key); add GCS (project_number, service_account_credentials); add OneDrive (token, drive_id, drive_type)
+- [x] `src/generators/rclone-conf.test.ts` — add fixtures for onedrive, sftp (password), sftp (key), gcs, b2; assert type string and key fields; assert gcs produces `type = google cloud storage` (with spaces)
+- [x] `src/components/wizard/RemoteConfigStep.test.tsx` — add describe blocks for BACK-01 (OneDrive), BACK-02 (SFTP with toggle assertions), BACK-03 (GCS), BACK-04 (B2) using existing `renderWithBackend` helper
 
 ---
 
@@ -70,11 +71,23 @@ created: 2026-03-30
 
 ## Validation Sign-Off
 
-- [ ] All tasks have `<automated>` verify or Wave 0 dependencies
-- [ ] Sampling continuity: no 3 consecutive tasks without automated verify
-- [ ] Wave 0 covers all MISSING references
-- [ ] No watch-mode flags
-- [ ] Feedback latency < 15s
-- [ ] `nyquist_compliant: true` set in frontmatter
+- [x] All tasks have `<automated>` verify or Wave 0 dependencies
+- [x] Sampling continuity: no 3 consecutive tasks without automated verify
+- [x] Wave 0 covers all MISSING references
+- [x] No watch-mode flags
+- [x] Feedback latency < 15s
+- [x] `nyquist_compliant: true` set in frontmatter
 
-**Approval:** pending
+**Approval:** 2026-03-31 — full suite 159/159 green
+
+---
+
+## Validation Audit 2026-03-31
+
+| Metric | Count |
+|--------|-------|
+| Gaps found | 8 |
+| Resolved | 8 |
+| Escalated | 0 |
+
+All 8 tasks verified green. 88/88 targeted tests pass. Full suite 159/159 green.