diff --git a/.yoi/tickets/00001KWHEM8YJ/item.md b/.yoi/tickets/00001KWHEM8YJ/item.md
index bda02d0b..ebcc50f2 100644
--- a/.yoi/tickets/00001KWHEM8YJ/item.md
+++ b/.yoi/tickets/00001KWHEM8YJ/item.md
@@ -2,7 +2,7 @@
 title: 'Workspace Browserから手動Coding Workerを作成する導線を追加する'
 state: 'inprogress'
 created_at: '2026-07-02T12:59:57Z'
-updated_at: '2026-07-02T17:01:11Z'
+updated_at: '2026-07-02T17:03:28Z'
 assignee: null
 queued_by: 'workspace-panel'
 queued_at: '2026-07-02T16:13:24Z'
diff --git a/.yoi/tickets/00001KWHEM8YJ/thread.md b/.yoi/tickets/00001KWHEM8YJ/thread.md
index 2b91487c..f179a550 100644
--- a/.yoi/tickets/00001KWHEM8YJ/thread.md
+++ b/.yoi/tickets/00001KWHEM8YJ/thread.md
@@ -156,3 +156,27 @@ Acceptance basis:
 - side effect はこの `queued -> inprogress` acceptance 後に開始する。
 
 ---
+
+<!-- event: implementation_report author: orchestrator at: 2026-07-02T17:02:43Z -->
+
+## Implementation report
+
+Implementation side-effect recovery note:
+
+- `queued -> inprogress` acceptance 後、implementation worktree `/home/hare/Projects/yoi/.worktree/00001KWHHRTM9-00001KWHEM8YJ` / branch `work/00001KWHHRTM9-00001KWHEM8YJ` は作成済み。
+- 最初の Coder Pod spawn は、child workspace root `/home/hare/Projects/yoi` を readable scope に含めていなかったため `workspace root is not readable under the configured scope` で失敗した。
+- Ticket は `inprogress` のまま、read scope に workspace root、write scope に implementation worktree だけを含める形で即時 retry する。raw runtime/socket/session details は implementation contract には含めない。
+
+---
+
+<!-- event: implementation_report author: orchestrator at: 2026-07-02T17:03:28Z -->
+
+## Implementation report
+
+Implementation routing update:
+
+- Recovery retry succeeded: sibling Coder Pod `yoi-coder-00001KWHHRTM9-00001KWHEM8YJ` was spawned for the combined branch/worktree.
+- Scope policy: workspace root is readable for runtime workspace metadata; write authority is restricted to implementation worktree `/home/hare/Projects/yoi/.worktree/00001KWHHRTM9-00001KWHEM8YJ`.
+- Work order remains: `00001KWHHRTM9` first, then this Ticket; external review will be requested after coder completion evidence is available.
+
+---
diff --git a/.yoi/tickets/00001KWHHRTM9/item.md b/.yoi/tickets/00001KWHHRTM9/item.md
index 18cfc11b..c5065658 100644
--- a/.yoi/tickets/00001KWHHRTM9/item.md
+++ b/.yoi/tickets/00001KWHHRTM9/item.md
@@ -2,7 +2,7 @@
 title: 'Workspace Backend Runtime接続の管理画面と永続configを追加する'
 state: 'inprogress'
 created_at: '2026-07-02T13:54:52Z'
-updated_at: '2026-07-02T17:01:01Z'
+updated_at: '2026-07-02T17:03:28Z'
 assignee: null
 queued_by: 'workspace-panel'
 queued_at: '2026-07-02T16:45:19Z'
diff --git a/.yoi/tickets/00001KWHHRTM9/thread.md b/.yoi/tickets/00001KWHHRTM9/thread.md
index b34a63a3..9f28e99b 100644
--- a/.yoi/tickets/00001KWHHRTM9/thread.md
+++ b/.yoi/tickets/00001KWHHRTM9/thread.md
@@ -176,3 +176,27 @@ Acceptance basis:
 - side effect はこの `queued -> inprogress` acceptance 後に開始する。
 
 ---
+
+<!-- event: implementation_report author: orchestrator at: 2026-07-02T17:02:35Z -->
+
+## Implementation report
+
+Implementation side-effect recovery note:
+
+- `queued -> inprogress` acceptance 後、implementation worktree `/home/hare/Projects/yoi/.worktree/00001KWHHRTM9-00001KWHEM8YJ` / branch `work/00001KWHHRTM9-00001KWHEM8YJ` は作成済み。
+- 最初の Coder Pod spawn は、child workspace root `/home/hare/Projects/yoi` を readable scope に含めていなかったため `workspace root is not readable under the configured scope` で失敗した。
+- Ticket は `inprogress` のまま、read scope に workspace root、write scope に implementation worktree だけを含める形で即時 retry する。raw runtime/socket/session details は implementation contract には含めない。
+
+---
+
+<!-- event: implementation_report author: orchestrator at: 2026-07-02T17:03:28Z -->
+
+## Implementation report
+
+Implementation routing update:
+
+- Recovery retry succeeded: sibling Coder Pod `yoi-coder-00001KWHHRTM9-00001KWHEM8YJ` was spawned for the combined branch/worktree.
+- Scope policy: workspace root is readable for runtime workspace metadata; write authority is restricted to implementation worktree `/home/hare/Projects/yoi/.worktree/00001KWHHRTM9-00001KWHEM8YJ`.
+- Work order remains: this Ticket first, then `00001KWHEM8YJ`; external review will be requested after coder completion evidence is available.
+
+---