Implement local runtime persistence and policy gates

workplans/PMEM-WP-0004-policy-audit-and-review-gates.md

@@ -4,7 +4,7 @@ type: workplan
 title: "Policy, Audit, And Review Gates"
 domain: markitect
 repo: phase-memory
-status: proposed
+status: finished
 owner: phase-memory
 topic_slug: policy-audit
 planning_priority: P1
@@ -52,11 +52,38 @@ activations, writes, compactions, and phase transitions.
 - Do not make `flex-auth` a hard dependency.
 - Do not store or expose secrets in test fixtures.
 
+## Implementation Update - 2026-05-18
+
+The policy, audit, and review-gate slice is complete.
+
+Implemented outputs:
+
+- `phase_memory.policy` defines canonical memory operation points, audit event
+  schema helpers, review-record helpers, activation policy checks, and
+  deterministic redaction.
+- `ReviewRecord` and `ReviewDecision` model structured local approvals and
+  rejections for review-gated lifecycle actions.
+- Runtime audit events now use `phase_memory.audit.event.v1` and carry policy
+  decisions, source references, dry-run flags, actor labels, and subjects.
+- `apply_lifecycle_actions` rejects review-required actions unless the caller
+  provides a matching approved review record or explicit local approval marker.
+- Activation planning can evaluate required labels, denied labels, trust zones,
+  secret denial, reauthorization, and freshness policy context before package
+  selection.
+- Policy-denied activation nodes are omitted and returned as redacted denial
+  records with diagnostics.
+- `docs/policy-audit.md` documents operation points, review records,
+  activation policy, audit envelopes, and ownership boundaries.
+
+Validation:
+
+- `python3 -m pytest` -> 36 passed.
+
 ## T01 - Define memory operation policy points
 
 ```task
 id: PMEM-WP-0004-T01
-status: todo
+status: done
 priority: high
 state_hub_task_id: "1231b7bf-b23c-498d-a9d6-a6ee307aa3d4"
 ```
@@ -82,7 +109,7 @@ the right boundary.
 
 ```task
 id: PMEM-WP-0004-T02
-status: todo
+status: done
 priority: high
 state_hub_task_id: "b989d43c-eb25-4663-afd1-a54673ad565a"
 ```
@@ -107,7 +134,7 @@ Output: review record model and approval checks in the runtime facade.
 
 ```task
 id: PMEM-WP-0004-T03
-status: todo
+status: done
 priority: high
 state_hub_task_id: "6b677c18-7135-4d54-9e46-5116645d2ebe"
 ```
@@ -122,7 +149,7 @@ and deletion requests cannot be applied silently.
 
 ```task
 id: PMEM-WP-0004-T04
-status: todo
+status: done
 priority: high
 state_hub_task_id: "6f07087b-e6e2-469a-9bce-71bfd21cb633"
 ```
@@ -143,7 +170,7 @@ for policy-denied records.
 
 ```task
 id: PMEM-WP-0004-T05
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "bb6461a8-9181-4b88-a152-334668b22208"
 ```
@@ -169,7 +196,7 @@ apply operations.
 
 ```task
 id: PMEM-WP-0004-T06
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "dcdec3af-d20f-43ba-b12e-6febc4347d38"
 ```
@@ -183,7 +210,7 @@ Output: redaction utility, denied activation examples, and regression tests.
 
 ```task
 id: PMEM-WP-0004-T07
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "c4e0bdff-5047-4fe5-ab86-e422d4b1a17e"
 ```
@@ -202,3 +229,26 @@ review-required operations.
 - Review-required actions fail closed without an explicit review record.
 - The policy layer remains adapter-based and does not become an identity
   platform.
+
+## Closure Review - 2026-05-18
+
+**Outcome:** All tasks completed.
+
+### Completed
+
+- PMEM-WP-0004-T01 - Define memory operation policy points
+- PMEM-WP-0004-T02 - Add review authorization records
+- PMEM-WP-0004-T03 - Enforce durable write gates
+- PMEM-WP-0004-T04 - Add activation policy checks
+- PMEM-WP-0004-T05 - Add audit event schema
+- PMEM-WP-0004-T06 - Add redaction and denial diagnostics
+- PMEM-WP-0004-T07 - Document policy and audit guarantees
+
+### Cancelled
+
+None.
+
+### Carried Forward
+
+Optional Markitect validation and context-package compiler bridge behavior
+remain in PMEM-WP-0005.