diff --git a/.yoi/tickets/00001KVXK0WD3/item.md b/.yoi/tickets/00001KVXK0WD3/item.md
index d0699917..9e8c2139 100644
--- a/.yoi/tickets/00001KVXK0WD3/item.md
+++ b/.yoi/tickets/00001KVXK0WD3/item.md
@@ -1,8 +1,8 @@
 ---
 title: 'Remove legacy raw WASM Plugin runtime'
-state: 'queued'
+state: 'inprogress'
 created_at: '2026-06-24T19:51:56Z'
-updated_at: '2026-06-24T20:13:18Z'
+updated_at: '2026-06-24T20:14:08Z'
 assignee: null
 queued_by: 'workspace-panel'
 queued_at: '2026-06-24T20:11:56Z'
diff --git a/.yoi/tickets/00001KVXK0WD3/thread.md b/.yoi/tickets/00001KVXK0WD3/thread.md
index e48fbb70..f16fcc94 100644
--- a/.yoi/tickets/00001KVXK0WD3/thread.md
+++ b/.yoi/tickets/00001KVXK0WD3/thread.md
@@ -105,3 +105,16 @@ Next action:
 - `queued -> inprogress` を記録してから worktree-workflow で `/home/hare/Projects/yoi/.worktree/00001KVXK0WD3-remove-legacy-wasm-runtime` を作成し、multi-agent-workflow で Coder/Reviewer sibling loop に進める。
 
 ---
+
+<!-- event: state_changed author: yoi-orchestrator at: 2026-06-24T20:14:08Z from: queued to: inprogress reason: orchestrator_acceptance_unblocked field: state -->
+
+## State changed
+
+Orchestrator acceptance: queued -> inprogress
+
+- 直前確認で `TicketShow` は state `queued`、blocking outgoing relation は 0 件、accepted plan `orch-plan-20260624-201247-1` を確認した。
+- 後続 queued Tickets (`00001KVXK0WDH`, `00001KVXK0WDQ`, `00001KVXK0WDX`, `00001KVXK0WE4`, `00001KVXK0WEA`) は dependency chain 上この Ticket またはその後続 prerequisites に blocked として orchestration plan に記録済み。
+- routing decision と IntentPacket は Ticket thread に記録済み。
+- これ以降に worktree-workflow で `/home/hare/Projects/yoi/.worktree/00001KVXK0WD3-remove-legacy-wasm-runtime` を作成し、multi-agent-workflow に接続する。
+
+---