feat: surface codex app server thread visibility

tests/device-detail-capabilities-route.test.ts

@@ -99,6 +99,25 @@ test("device detail exposes Codex App Server discovered model and extension summ
           projectItemCount: 2,
           itemTypes: ["AGENTS_MD", "MCP_SERVER_CONFIG", "SKILLS"],
         },
+        threadSummary: {
+          threadCount: 3,
+          loadedThreadCount: 2,
+          activeThreadCount: 1,
+          archivedThreadCount: 1,
+          latestUpdatedAt: "2026-06-03T08:20:00.000Z",
+          sourceKinds: ["app", "cli"],
+          visibleThreads: [
+            {
+              id: "thr-active",
+              name: "Boss App Server rollout",
+              sourceKind: "app",
+              status: "active",
+              archived: false,
+              loaded: true,
+              updatedAt: "2026-06-03T08:20:00.000Z",
+            },
+          ],
+        },
       },
     },
   };
@@ -113,6 +132,7 @@ test("device detail exposes Codex App Server discovered model and extension summ
   assert.equal(cards.capabilities.items.codexGovernance, "治理：实验特性 2 个 · 协作模式 2 个 · MCP 2 个 · 权限 1 个");
   assert.equal(cards.capabilities.items.codexAccount, "账号：chatgpt · 套餐 pro · 额度 42%");
   assert.equal(cards.capabilities.items.codexConfig, "配置：App 2 个 · 已启用 1 个 · 托管要求 2 个 · 外部迁移 3 项");
+  assert.equal(cards.capabilities.items.codexThreads, "线程：3 个 · 已加载 2 个 · 活跃 1 个 · 最新 2026-06-03 16:20");
 });
 
 test("device detail exposes folder and project conflict skeleton from workspace policy", async () => {

tests/device-heartbeat-capability-metadata.test.ts

@@ -68,6 +68,13 @@ test("device heartbeat preserves Codex App Server capability metadata", async ()
               appConfigSummary: { appCount: 2, enabledAppCount: 1 },
               configRequirements: { managed: true, requirementCount: 2, warningCount: 1 },
               externalAgentMigration: { itemCount: 3, homeItemCount: 1, projectItemCount: 2 },
+              threadSummary: {
+                threadCount: 3,
+                loadedThreadCount: 2,
+                activeThreadCount: 1,
+                latestUpdatedAt: "2026-06-03T08:20:00.000Z",
+                visibleThreads: [{ id: "thr-active", name: "Boss App Server rollout", loaded: true }],
+              },
             },
           },
         },
@@ -106,4 +113,20 @@ test("device heartbeat preserves Codex App Server capability metadata", async ()
     )?.itemCount,
     3,
   );
+  assert.equal(
+    (
+      updatedDevice?.capabilities?.codexAppServer.metadata?.threadSummary as
+        | { threadCount?: number; visibleThreads?: Array<{ id?: string }> }
+        | undefined
+    )?.threadCount,
+    3,
+  );
+  assert.equal(
+    (
+      updatedDevice?.capabilities?.codexAppServer.metadata?.threadSummary as
+        | { visibleThreads?: Array<{ id?: string }> }
+        | undefined
+    )?.visibleThreads?.[0]?.id,
+    "thr-active",
+  );
 });

tests/fixtures/codex-app-server-runtime.mjs

@@ -381,6 +381,56 @@ rl.on("line", (line) => {
     return;
   }
 
+  if (message.method === "thread/list") {
+    send({
+      id: message.id,
+      result: {
+        data: [
+          {
+            id: "thr-active",
+            name: "Boss App Server rollout",
+            sourceKind: "app",
+            archived: false,
+            updatedAt: "2026-06-03T08:20:00.000Z",
+            cwd: "/Users/kris/code/boss",
+            status: { type: "active", activeFlags: ["running"] },
+            turns: [{ userInput: "secret user text should not leak" }],
+          },
+          {
+            id: "thr-idle",
+            name: "AItoukui planning",
+            sourceKind: "cli",
+            archived: false,
+            updatedAt: "2026-06-03T07:00:00.000Z",
+            cwd: "/Users/kris/code/AItoukui",
+            status: { type: "idle" },
+          },
+          {
+            id: "thr-archived",
+            name: "Old private thread",
+            sourceKind: "app",
+            archived: true,
+            updatedAt: "2026-06-01T01:00:00.000Z",
+            cwd: "/Users/kris/private",
+            status: { type: "notLoaded" },
+          },
+        ],
+        nextCursor: null,
+      },
+    });
+    return;
+  }
+
+  if (message.method === "thread/loaded/list") {
+    send({
+      id: message.id,
+      result: {
+        threadIds: ["thr-active", "thr-idle"],
+      },
+    });
+    return;
+  }
+
   if (message.method === "thread/resume") {
     send({
       id: message.id,

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

@@ -63,6 +63,21 @@ test("codex app-server discovery includes governance and MCP summaries without l
     projectItemCount: 2,
     itemTypes: ["AGENTS_MD", "MCP_SERVER_CONFIG", "SKILLS"],
   });
+  assert.equal(metadata.threadSummary.threadCount, 3);
+  assert.equal(metadata.threadSummary.loadedThreadCount, 2);
+  assert.equal(metadata.threadSummary.activeThreadCount, 1);
+  assert.equal(metadata.threadSummary.archivedThreadCount, 1);
+  assert.equal(metadata.threadSummary.latestUpdatedAt, "2026-06-03T08:20:00.000Z");
+  assert.deepEqual(metadata.threadSummary.sourceKinds, ["app", "cli"]);
+  assert.deepEqual(metadata.threadSummary.visibleThreads[0], {
+    id: "thr-active",
+    name: "Boss App Server rollout",
+    sourceKind: "app",
+    status: "active",
+    archived: false,
+    loaded: true,
+    updatedAt: "2026-06-03T08:20:00.000Z",
+  });
 
   const serialized = JSON.stringify(metadata);
   assert.equal(serialized.includes("sk-secret-should-not-leak"), false);
@@ -73,6 +88,8 @@ test("codex app-server discovery includes governance and MCP summaries without l
   assert.equal(serialized.includes("private-user@example.com"), false);
   assert.equal(serialized.includes("CLAUDE.md"), false);
   assert.equal(serialized.includes("AGENTS.md"), false);
+  assert.equal(serialized.includes("secret user text should not leak"), false);
+  assert.equal(serialized.includes("Old private thread"), false);
 });
 
 function encodeWsTextFrame(value) {