feat: expose codex runtime lifecycle events

tests/local-agent-codex-app-server-runner.test.mjs

@@ -231,6 +231,28 @@ test("codex app-server discovery includes governance and MCP summaries without l
     userInitiatedOnly: true,
     labels: ["Guardian 放行", "权限请求"],
   });
+  assert.deepEqual(metadata.runtimeEventSummary, {
+    eventCount: 3,
+    processEventCount: 2,
+    rawResponseEventAvailable: true,
+    notificationOnly: true,
+    labels: ["进程输出", "进程退出", "原始响应完成"],
+  });
+  assert.deepEqual(metadata.extensionEventSummary, {
+    eventCount: 2,
+    skillChangeEventAvailable: true,
+    pluginInstallEventAvailable: true,
+    notificationOnly: true,
+    labels: ["Skill 变更", "插件安装"],
+  });
+  assert.deepEqual(metadata.threadLifecycleEventSummary, {
+    eventCount: 5,
+    archiveEventCount: 2,
+    nameEventAvailable: true,
+    closeEventAvailable: true,
+    notificationOnly: true,
+    labels: ["线程启动", "线程关闭", "已归档", "已恢复", "改名完成"],
+  });
 
   const serialized = JSON.stringify(metadata);
   assert.equal(serialized.includes("sk-secret-should-not-leak"), false);