diff --git a/.custodian-brief.md b/.custodian-brief.md
index 9497cd3..6671595 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — kaizen-agentic
 
 **Domain:** custodian
-**Last synced:** 2026-06-16 23:01 UTC
+**Last synced:** 2026-06-16 23:04 UTC
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
diff --git a/workplans/kaizen-agentic-WP-0004-ecosystem-integration.md b/workplans/kaizen-agentic-WP-0004-ecosystem-integration.md
index 492b769..cfd2ebd 100644
--- a/workplans/kaizen-agentic-WP-0004-ecosystem-integration.md
+++ b/workplans/kaizen-agentic-WP-0004-ecosystem-integration.md
@@ -9,7 +9,84 @@ owner: kaizen-agentic
 topic_slug: custodian
 state_hub_workstream_id: 76be7294-e201-4074-91c0-6421992470fe
 created: "2026-06-16"
-updated: "2026-06-18"
+updated: "2026-06-17"
+tasks:
+  - id: T01
+    title: Document Helix Forge correlation contract cross-repo
+    status: done
+    state_hub_task_id: f365d19e-9619-4453-bebf-f1fd596b1bd1
+  - id: T02
+    title: Add HELIX_SESSION_UID to metrics record
+    status: done
+    state_hub_task_id: e7f47683-5957-49db-bcbd-3aa47f44a073
+  - id: T03
+    title: Add kaizen-agentic metrics correlate command stub
+    status: done
+    state_hub_task_id: 6ef8ba99-7d0c-44f4-835d-7a66e9d55984
+  - id: T04
+    title: Integration test for helix_session_uid correlation
+    status: done
+    state_hub_task_id: 9875422c-a54b-40f1-a444-6b485a9e57d6
+  - id: T05
+    title: Update EcosystemIntegration.md with worked example
+    status: done
+    state_hub_task_id: 0dc33d13-0e0b-4336-a7ad-371fc533b823
+  - id: T06
+    title: Draft weekly metrics optimize ActivityDefinition
+    status: done
+    state_hub_task_id: dbaa5f46-f66a-4a74-b4a0-97978e47d1c3
+  - id: T07
+    title: Draft post-install metrics scaffold ActivityDefinition
+    status: done
+    state_hub_task_id: 161a264a-8f70-4e37-a854-bd5a76a0e54b
+  - id: T08
+    title: Draft low success_rate review ActivityDefinition
+    status: done
+    state_hub_task_id: 3b58ad38-839c-436a-8d97-ef5a8f9beefe
+  - id: T09
+    title: Document activity-core triggers in INTEGRATION_PATTERNS.md
+    status: done
+    state_hub_task_id: a004b60f-4e8f-4881-b088-229ac9ab242f
+  - id: T10
+    title: Smoke test activity-core activation
+    status: done
+    state_hub_task_id: 84866bf1-5830-470d-87a5-9786222332c2
+  - id: T11
+    title: Define optimizer artifact package manifest
+    status: done
+    state_hub_task_id: 033a19db-fbd2-411f-9d2e-779d210400d4
+  - id: T12
+    title: Add kaizen-agentic metrics publish command
+    status: done
+    state_hub_task_id: 54517f2b-23e3-433b-a483-c59227625dbc
+  - id: T13
+    title: Map raw-evidence retention class in publish manifest
+    status: done
+    state_hub_task_id: 3b378789-a761-4472-b072-a346541be239
+  - id: T14
+    title: Integration test artifact-store publish
+    status: done
+    state_hub_task_id: a3566713-db58-4519-b9c4-5003421c1f1e
+  - id: T15
+    title: Document publish workflow in agency-framework.md
+    status: done
+    state_hub_task_id: 5d8255aa-fd7a-4fe6-bce2-3a176f954c7f
+  - id: T16
+    title: Map KaizenAgentTemplate to info-tech-canon profile outline
+    status: done
+    state_hub_task_id: 852c9cbf-0b0c-4f23-8594-905ca280c268
+  - id: T17
+    title: Draft info-tech-canon agent brief for tdd-workflow
+    status: done
+    state_hub_task_id: 62e05097-9033-401d-bbe0-d5d773da50fe
+  - id: T18
+    title: Spike kontextual-engine wiki ingestion manifest
+    status: done
+    state_hub_task_id: cd6962c7-aaed-4d7d-81de-37c0e3ed715e
+  - id: T19
+    title: Update ecosystem assessment with Part 4 outcomes
+    status: done
+    state_hub_task_id: 2c1f66f5-e6ab-4e19-88ca-818acb15a706
 ---
 
 # KAIZEN-WP-0004 — Ecosystem Integration: Helix Forge, activity-core, and artifact-store
@@ -154,6 +231,21 @@ Estimated effort: 3–5 sessions after WP-0003 Part 3.
 
 ---
 
+## Completion
+
+**Shipped:** v1.1.0–v1.2.0 ecosystem integration layer.
+
+| Part | Outcome |
+|------|---------|
+| 1 Helix | `HELIX_SESSION_UID` on `metrics record`, `metrics correlate`, bidirectional docs |
+| 2 activity-core | Three ActivityDefinitions under `docs/integrations/activity-definitions/` |
+| 3 artifact-store | `metrics publish` with `raw-evidence` retention manifest |
+| 4 Canon/knowledge | Design docs for info-tech-canon and kontextual-engine (no runtime deps) |
+
+All 19 tasks complete. Reciprocal Helix link verified in WP-0005 T16.
+
+---
+
 ## State Hub Task IDs
 
 | Code | UUID |
@@ -187,4 +279,4 @@ Estimated effort: 3–5 sessions after WP-0003 Part 3.
 - ADR-004 Helix Forge correlation section is the authoritative field mapping
 - WP-0001 T04 (telemetry) should evaluate tele-mcp as adapter candidate
 - activity-core ActivityDefinitions live in activity-core repo per ACT-ADR-002/003;
-  kaizen-agentic commits reference copies or links under `docs/integrations/`
\ No newline at end of file
+  kaizen-agentic commits reference copies or links under `docs/integrations/`