docs(migration): finalize phase docs, validation, and rollback pack

tasks/openclawd-migration-2026-03/TASK.md

@@ -1,9 +1,29 @@
 # TASK: openclawd-migration-2026-03
 
 ## Goal
-- Migrate openclawd memory into collective-memory-repo and switch group retrieval to memory-gateway.
+- Migrate OpenClaw memory into collective-memory-repo and switch group retrieval to memory-gateway authority.
 
 ## Scope
 - Import long-term, daily, and legacy team memory.
-- Preserve openclawd runtime files in local vaults.
-- Validate gateway consistency chain (/health, /sync, /query).
+- Preserve OpenClaw runtime files in local vaults.
+- Validate gateway consistency chain (`/health`, `/memory/status`, `/memory/search`).
+
+## Phases
+- Phase 0 Inventory: complete
+- Phase 1 Target Architecture: complete
+- Phase 2 Content Migration: complete
+- Phase 3 Compatibility Layer: complete
+- Phase 4 Validation: complete
+- Phase 5 Finalization: complete
+
+## Deliverables
+- `INVENTORY.md`
+- `GAP-ANALYSIS.md`
+- `TARGET-ARCHITECTURE.md`
+- `MIGRATION-MAP.md`
+- `WRITE-RULES.md`
+- `READ-RULES.md`
+- `VALIDATION.md`
+- `RETRIEVAL-TESTS.md`
+- `FINAL-STATE.md`
+- `ROLLBACK.md`