diff --git a/docs/plans/2026-08-06-clusterclient-to-grpc-tracking.md b/docs/plans/2026-08-06-clusterclient-to-grpc-tracking.md
index 5052bf10..c31f7ced 100644
--- a/docs/plans/2026-08-06-clusterclient-to-grpc-tracking.md
+++ b/docs/plans/2026-08-06-clusterclient-to-grpc-tracking.md
@@ -24,7 +24,7 @@ posture).
 |---|---|---|---|---|---|
 | 0 | Proto + mappers + goldens; both auth interceptors; `IMeshPskProvider`; options/validators (+`Grpc` value, SplitTopology relaxation); rig dark config; stale-comment fixes; FleetStatus issue filed | `feat/grpc-phase0-contract-auth` | **MERGED to `master`** @ `10b6d209` (2026-08-06) — all 6 tasks complete @ `23555ed0`; every task spec ✅ + code ✅ (Batch B on Opus with a closed fix loop); issues #542 + #543 filed | `10b6d209` | **PASS 4/4** |
 | 1A | Central→node command plane (`NodeCommandService` on the Telemetry listener; `MeshGrpcCommandDialer`; third mode branch in `CentralCommunicationActor`) — **worktree A** | `feat/grpc-node-command` | **COMPLETE @ `e54883a8` — gate re-run PASSED 2026-08-06.** Run 1 @ `fbf7b708` FAILED on defect 4 (no admin node could boot, mode-independent); fixed by `c0475f2d` + `e54883a8` and re-gated. 1A.1 ✅ `64774652` + 1A.2 ✅ `6a862011` (+fixes `48dc2120`/`86633f14`) all reviewed spec ✅ + code ✅. **MERGED to `master`** @ `b360239e` (2026-08-06) | `b360239e` | **PASS 8/8** (check 3's AdminUI half closed by composition — the control is structurally unreachable, see carry-forwards) |
-| 1B | Node→central ack plane (`CentralCommandService` on the ConfigServe listener; `GrpcApplyAckSender`; third branch in `NodeCommunicationActor`) — **worktree B**, rebased on merged 1A | `feat/grpc-central-ack` | **DONE — AWAITING PR/MERGE (user-owned)** @ `a397cdad` (rebased on `a400b415`); 1B.1 ✅ + 1B.2 ✅ (Opus: deadline Critical found+fixed) + gate **PASS 7/7** incl. the 4b hang drill (~10 s failover = exactly one AckTimeoutSeconds — live proof of the fix); at-least-once duplicate absorbed idempotently exactly as traced | — | **PASS 7/7** |
+| 1B | Node→central ack plane (`CentralCommandService` on the ConfigServe listener; `GrpcApplyAckSender`; third branch in `NodeCommunicationActor`) — **worktree B**, rebased on merged 1A | `feat/grpc-central-ack` | **MERGED to `master`** @ `7203d135` (2026-08-06, branch tip `cf229a95` incl. the phases 2-4 plan update); 1B.1 ✅ + 1B.2 ✅ (Opus: deadline Critical found+fixed) + gate **PASS 7/7** incl. the 4b hang drill (~10 s failover = exactly one AckTimeoutSeconds — live proof of the fix); at-least-once duplicate absorbed idempotently exactly as traced | `7203d135` | **PASS 7/7** |
 | 2 | **Opens with Task 2.0 (MUST FIX): honest PreStart-race logging** (both gates: fires ~every admin boot, two false Errors — soak error-grep impossible without it). Then baseline reproduction on pre-flip build, full-rig cutover (`OTOPCUA_MESH_MODE` default → `Grpc`) + soak + kill drills. **Targeted-test policy in force (plan Phase 2 header): per-task unit runs targeted; ONE full-suite run per phase at the DoD** | (rig commit; 2.0 on master) | NOT STARTED | — | PENDING |
 | 3 | Delete ClusterClient (code/HOCON/config/tests); SplitTopology requires `Grpc`; grep-gates; docs sweep incl. scadaproj index | `feat/grpc-phase3-deletion` | NOT STARTED | — | — |
 | 4 | Terminal live gate on the post-deletion image (8 checks, provenance-guarded) | (on `master`) | NOT STARTED | — | PENDING |