diff --git a/.yoi/tickets/00001KSQBFGE8/item.md b/.yoi/tickets/00001KSQBFGE8/item.md
index a6de129b..801b5d20 100644
--- a/.yoi/tickets/00001KSQBFGE8/item.md
+++ b/.yoi/tickets/00001KSQBFGE8/item.md
@@ -1,8 +1,8 @@
 ---
 title: "Audit crate responsibility boundaries"
-state: "planning"
+state: 'closed'
 created_at: "2026-05-28T13:13:17Z"
-updated_at: "2026-05-28T13:13:17Z"
+updated_at: '2026-06-20T16:45:54Z'
 ---
 
 ## Background
diff --git a/.yoi/tickets/00001KSQBFGE8/resolution.md b/.yoi/tickets/00001KSQBFGE8/resolution.md
new file mode 100644
index 00000000..4716ff55
--- /dev/null
+++ b/.yoi/tickets/00001KSQBFGE8/resolution.md
@@ -0,0 +1 @@
+Closed as completed. The crate responsibility boundary audit was already performed and recorded in artifacts/audit.md with concrete findings; any implementation cleanup should be handled by narrower follow-up tickets.
diff --git a/.yoi/tickets/00001KSQBFGE8/thread.md b/.yoi/tickets/00001KSQBFGE8/thread.md
index 53a93fb1..033b100c 100644
--- a/.yoi/tickets/00001KSQBFGE8/thread.md
+++ b/.yoi/tickets/00001KSQBFGE8/thread.md
@@ -4,4 +4,22 @@
 
 Created by tickets.sh create.
 
+---
+
+<!-- event: state_changed author: hare at: 2026-06-20T16:45:54Z from: planning to: closed reason: closed field: state -->
+
+## State changed
+
+Ticket を closed にしました。
+
+
+---
+
+<!-- event: close author: hare at: 2026-06-20T16:45:54Z status: closed -->
+
+## 完了
+
+Closed as completed. The crate responsibility boundary audit was already performed and recorded in artifacts/audit.md with concrete findings; any implementation cleanup should be handled by narrower follow-up tickets.
+
+
 ---
diff --git a/.yoi/tickets/00001KT1JZBX8/item.md b/.yoi/tickets/00001KT1JZBX8/item.md
index 1072c0c4..6b64a8ef 100644
--- a/.yoi/tickets/00001KT1JZBX8/item.md
+++ b/.yoi/tickets/00001KT1JZBX8/item.md
@@ -1,8 +1,8 @@
 ---
 title: "Audit external dependencies and license posture"
-state: "planning"
+state: 'closed'
 created_at: "2026-06-01T12:36:41Z"
-updated_at: "2026-06-01T13:08:45Z"
+updated_at: '2026-06-20T16:45:54Z'
 ---
 
 ## Background
diff --git a/.yoi/tickets/00001KT1JZBX8/resolution.md b/.yoi/tickets/00001KT1JZBX8/resolution.md
new file mode 100644
index 00000000..03445acc
--- /dev/null
+++ b/.yoi/tickets/00001KT1JZBX8/resolution.md
@@ -0,0 +1 @@
+Closed as completed. The dependency/license audit was already performed and recorded in artifacts/audit-report.md with implementation report evidence; any dependency cleanup or third-party notice work should be tracked by narrower follow-up tickets.
diff --git a/.yoi/tickets/00001KT1JZBX8/thread.md b/.yoi/tickets/00001KT1JZBX8/thread.md
index 26b8df8b..3e75c578 100644
--- a/.yoi/tickets/00001KT1JZBX8/thread.md
+++ b/.yoi/tickets/00001KT1JZBX8/thread.md
@@ -418,4 +418,22 @@ Interpretation:
    - Acceptance: compare current `html5ever`/`RcDom` extractor with viable maintained alternatives; preserve bounded, safe, link-aware extraction behavior; only proceed if measurable binary/build-time benefit exists.
 
 
+---
+
+<!-- event: state_changed author: hare at: 2026-06-20T16:45:54Z from: planning to: closed reason: closed field: state -->
+
+## State changed
+
+Ticket を closed にしました。
+
+
+---
+
+<!-- event: close author: hare at: 2026-06-20T16:45:54Z status: closed -->
+
+## 完了
+
+Closed as completed. The dependency/license audit was already performed and recorded in artifacts/audit-report.md with implementation report evidence; any dependency cleanup or third-party notice work should be tracked by narrower follow-up tickets.
+
+
 ---