feat: mirror boss messages via app server

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

@@ -508,6 +508,50 @@ test("codex app-server runner resumes a thread and collects streamed agent text"
   assert.equal(result.transport, "stdio");
 });
 
+test("codex app-server runner injects Boss user message into the target Codex thread before starting a turn", async () => {
+  const previous = process.env.BOSS_CODEX_APP_SERVER_FIXTURE_ECHO_INJECTED_USER_MESSAGE;
+  process.env.BOSS_CODEX_APP_SERVER_FIXTURE_ECHO_INJECTED_USER_MESSAGE = "1";
+  try {
+    const runnerConfig = getCodexAppServerRunnerConfig(process.env, {
+      codexAppServerEnabled: true,
+      codexAppServerCommand: process.execPath,
+      codexAppServerArgs: ["tests/fixtures/codex-app-server-runtime.mjs"],
+      codexAppServerWorkdir: repoRoot,
+      codexAppServerTimeoutMs: 5000,
+      masterAgentModel: "gpt-5.4",
+    });
+    const task = {
+      taskId: "task-app-server-sync-user-message",
+      taskType: "conversation_reply",
+      targetCodexThreadRef: "019d-app-server-thread",
+      targetCodexFolderRef: repoRoot,
+      executionPrompt: "请修复登录页跳转问题",
+      mirrorBossUserMessageToCodexDesktop: true,
+      userMessageId: "boss-msg-1",
+      sourceMessageId: "boss-msg-1",
+      sourceMessageBody: "请修复登录页跳转问题",
+      userDisplayName: "你",
+    };
+
+    const result = await executeCodexAppServerTask(runnerConfig, task);
+
+    assert.equal(result.status, "completed");
+    assert.equal(result.threadId, "019d-app-server-thread");
+    assert.equal(result.turnControl, "start");
+    assert.equal(result.threadHistorySync?.threadId, "019d-app-server-thread");
+    assert.equal(result.threadHistorySync?.injectedItemCount, 1);
+    assert.equal(result.threadHistorySync?.source, "boss_user_message");
+    assert.match(result.replyBody, /INJECTED_USER_MESSAGE:请修复登录页跳转问题/);
+    assert.doesNotMatch(JSON.stringify(result), /boss-msg-1/);
+  } finally {
+    if (previous === undefined) {
+      delete process.env.BOSS_CODEX_APP_SERVER_FIXTURE_ECHO_INJECTED_USER_MESSAGE;
+    } else {
+      process.env.BOSS_CODEX_APP_SERVER_FIXTURE_ECHO_INJECTED_USER_MESSAGE = previous;
+    }
+  }
+});
+
 test("codex app-server runner converts protocol progress events into Boss execution progress", async () => {
   const previous = process.env.BOSS_CODEX_APP_SERVER_FIXTURE_EMIT_PROGRESS;
   process.env.BOSS_CODEX_APP_SERVER_FIXTURE_EMIT_PROGRESS = "1";