fix: restore orchestrator companion notifications

.yoi/tickets/00001KV5W3PHW/item.md

@@ -1,8 +1,8 @@
 ---
 title: 'Plugin: execute Plugin Tool with minimal WASM runtime'
-state: 'done'
+state: 'closed'
 created_at: '2026-06-15T14:48:59Z'
-updated_at: '2026-06-18T12:39:30Z'
+updated_at: '2026-06-18T13:55:12Z'
 assignee: null
 readiness: 'implementation_ready'
 risk_flags: ['plugin', 'wasm', 'tool-runtime', 'sandbox', 'capability-boundary', 'cancellation']

.yoi/tickets/00001KV5W3PHW/resolution.md

@@ -0,0 +1,3 @@
+Ticket `00001KV5W3PHW` (`Plugin: execute Plugin Tool with minimal WASM runtime`) はすでに `state: done` に到達していたため、workspace Panel から close しました。
+
+この Close action によって、実装作業、state 変更、Orchestrator/Companion launch、worker invocation は開始されていません。

.yoi/tickets/00001KV5W3PHW/thread.md

@@ -309,4 +309,24 @@ Cleanup planned:
 
 Reviewer approved, implementation branch merged into the orchestration branch, and focused plus packaging validation passed in the Orchestrator worktree. Marking Ticket done in the orchestration branch.
 
+---
+
+<!-- event: state_changed author: hare at: 2026-06-18T13:55:12Z from: done to: closed reason: closed field: state -->
+
+## State changed
+
+Ticket を closed にしました。
+
+
+---
+
+<!-- event: close author: hare at: 2026-06-18T13:55:12Z status: closed -->
+
+## 完了
+
+Ticket `00001KV5W3PHW` (`Plugin: execute Plugin Tool with minimal WASM runtime`) はすでに `state: done` に到達していたため、workspace Panel から close しました。
+
+この Close action によって、実装作業、state 変更、Orchestrator/Companion launch、worker invocation は開始されていません。
+
+
 ---