fix: normalize codex app plan completion status

lib/codex-app-runtime.js

@@ -235,6 +235,19 @@ function createCodexAppRuntime(deps = {}) {
     };
   }
 
+  function isTodoListPlanDone(item, todoList) {
+    const status = normalizeIdentifier(item?.status || item?.state);
+    if (['completed', 'complete', 'done', 'success', 'succeeded', 'failed', 'error', 'cancelled', 'canceled'].includes(status)) {
+      return true;
+    }
+    return Array.isArray(todoList?.items) && todoList.items.length > 0 && todoList.items.every((planItem) => planItem.completed);
+  }
+
+  function todoListPlanStatus(item, todoList) {
+    if (isTodoListPlanDone(item, todoList)) return 'completed';
+    return item?.status || 'inProgress';
+  }
+
   function planUpdateItemFromParams(params = {}) {
     const item = params.item && typeof params.item === 'object' ? { ...params.item } : {};
     return {
@@ -415,12 +428,13 @@ function createCodexAppRuntime(deps = {}) {
 
   function itemMeta(item) {
     if (!item) return null;
-    if (normalizeTodoListFromPlanItem(item)) {
+    const todoList = normalizeTodoListFromPlanItem(item);
+    if (todoList) {
       return {
         kind: 'todo_list',
         title: 'Plan List',
         subtitle: item.explanation || item.title || item.tool || '',
-        status: item.status || null,
+        status: todoListPlanStatus(item, todoList),
       };
     }
     switch (item.type) {
@@ -748,7 +762,7 @@ function createCodexAppRuntime(deps = {}) {
         const item = planUpdateItemFromParams(params);
         const todoList = normalizeTodoListFromPlanItem(item);
         if (!todoList) return { done: false };
-        updateToolResult(entry, sessionId, todoList.id, JSON.stringify(todoList, null, 2), false, {
+        updateToolResult(entry, sessionId, todoList.id, JSON.stringify(todoList, null, 2), isTodoListPlanDone(item, todoList), {
           name: 'PlanList',
           kind: 'todo_list',
           input: todoList,