diff --git a/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/dispatch.md b/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/dispatch.md
index 78981faa..7c4c981c 100644
--- a/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/dispatch.md
+++ b/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/dispatch.md
@@ -14,7 +14,7 @@
 | Continuity | fresh replacement after archived attempt-1 INVALID_IDENTITY_PROCESS; old role/session/worktree are immutable and forbidden for reuse |
 | Session ID | 2cf38e48-f8f9-4c61-adff-b822831c17c7 |
 | Expected identity ACK | IDENTITY_READY dispatch_id=dispatch:ABG-V2-R4-VALIDATOR-H2:attempt-2 role=role:design-validator-r5-h2-a2 team_revision=rev-9 goal=task:ABG-V2-R4-VALIDATOR-H2 context_revision=2 |
-| Delivery | NOT_SENT |
+| Delivery | SENT: dispatch:ABG-V2-R4-VALIDATOR-H2:attempt-2 via HAPI ping to 2cf38e48-f8f9-4c61-adff-b822831c17c7 at 2026-08-11T12:25:00+08:00 |
 | Identity ACK | PENDING |
 | ACK evidence | PENDING |
 
diff --git a/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/goal.md b/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/goal.md
index fac7b36d..dacb8f8e 100644
--- a/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/goal.md
+++ b/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/goal.md
@@ -37,7 +37,7 @@ The validator must test meaning and declared bindings, not exact prose.
 - Runtime verification: `VERIFIED; pre-dispatch 2026-08-11T12:23:41+08:00`
 - Session evidence: `HAPI 2cf38e48-f8f9-4c61-adff-b822831c17c7; PID 79463; verification abfc60c3-ddb6-4040-b6b0-3b3dc9823dcb; runtime-evidence.json; zero-message watermark`
 - Dispatch bootstrap: `dispatch.md`
-- Dispatch message: `NOT_SENT`
+- Dispatch message: `SENT: dispatch:ABG-V2-R4-VALIDATOR-H2:attempt-2 via HAPI 2cf38e48 at 2026-08-11T12:25:00+08:00`
 - Identity ACK: `PENDING`
 
 ## Acceptance
diff --git a/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/ledger.md b/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/ledger.md
index 7dd26618..dde1c068 100644
--- a/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/ledger.md
+++ b/.agent-taskgraph/queue/inbox/ABG-V2-R4-VALIDATOR-H2/ledger.md
@@ -30,7 +30,7 @@
 | Session ID | 2cf38e48-f8f9-4c61-adff-b822831c17c7 |
 | Runtime evidence | runtime-evidence.json |
 | Dispatch bootstrap | dispatch.md |
-| Dispatch message | NOT_SENT: dispatch:ABG-V2-R4-VALIDATOR-H2:attempt-2 |
+| Dispatch message | SENT: dispatch:ABG-V2-R4-VALIDATOR-H2:attempt-2 via HAPI 2cf38e48 at 2026-08-11T12:25:00+08:00 |
 | Identity ACK | PENDING |
 | 等待归属 | 在等谁：HAPI worker；等什么：bootstrap delivery + exact standalone IDENTITY_READY |
 
@@ -45,3 +45,4 @@
 | 2026-08-11T12:20:00+08:00 | failed -> inbox | PMO | Owner `OK的啊继续吧`; graph attempt limit 1 -> 2; replacement role rev-9 | create fresh clean worktree and verify HAPI runtime before bootstrap |
 | 2026-08-11T12:24:00+08:00 | inbox -> inbox | PMO | fresh worktree `validator-h2-r5-a2`, branch `agent/abg-v2-r4-validator-h2-a2`, clean at `b0e3475` | HAPI dry-run then verified spawn |
 | 2026-08-11T12:25:00+08:00 | inbox -> inbox | PMO | HAPI `2cf38e48` pre-dispatch VERIFIED; correct cwd/model/effort/yolo and zero-message watermark | commit session binding, then send rendered bootstrap |
+| 2026-08-11T12:25:30+08:00 | inbox -> inbox | PMO | rendered rev-9 attempt-2 bootstrap delivered; peer shows exactly one user message and thinking | observe first agent response; require exact standalone ACK |