diff --git a/.yoi/tickets/00001KVFDX9AY/item.md b/.yoi/tickets/00001KVFDX9AY/item.md
index 57abdfac..d95e3451 100644
--- a/.yoi/tickets/00001KVFDX9AY/item.md
+++ b/.yoi/tickets/00001KVFDX9AY/item.md
@@ -1,11 +1,13 @@
 ---
 title: 'Plugin: implement fs host API for Tool runtime'
-state: 'ready'
+state: 'queued'
 created_at: '2026-06-19T07:53:13Z'
-updated_at: '2026-06-19T07:54:32Z'
+updated_at: '2026-06-19T10:19:52Z'
 assignee: null
 readiness: 'implementation_ready'
 risk_flags: ['plugin', 'fs', 'host-api', 'sandbox', 'path-safety', 'permission-grants', 'file-mutation']
+queued_by: 'workspace-panel'
+queued_at: '2026-06-19T10:19:52Z'
 ---
 
 ## Background
diff --git a/.yoi/tickets/00001KVFDX9AY/thread.md b/.yoi/tickets/00001KVFDX9AY/thread.md
index 84b91461..074b810e 100644
--- a/.yoi/tickets/00001KVFDX9AY/thread.md
+++ b/.yoi/tickets/00001KVFDX9AY/thread.md
@@ -4,4 +4,13 @@
 
 LocalTicketBackend によって作成されました。
 
+---
+
+<!-- event: state_changed author: workspace-panel at: 2026-06-19T10:19:52Z from: ready to: queued reason: queued field: state -->
+
+## State changed
+
+Ticket を `workspace-panel` が queued にしました。
+
+
 ---