fix: reply to Feishu trigger messages

hub/test/integration/trigger.test.ts

@@ -104,8 +104,9 @@ describe("trigger full lifecycle (integration)", () => {
   it("creates a run, acquires + releases the lock, sends status card", async () => {
     await seedProject("proj-1", "chat-1");
     const trigger = makeTriggerHandler({ prisma, settings, logger: silentLogger, runAgent, messageBatcherOptions: { maxMessages: 1 } });
+    const event = makeEvent("chat-1", "@_user_1 写教案");
 
-    await trigger(makeEvent("chat-1", "@_user_1 写教案"), rt);
+    await trigger(event, rt);
 
     // Wait for the async run to complete (fire-and-forget in trigger).
     await vi.waitFor(async () => {
@@ -122,6 +123,11 @@ describe("trigger full lifecycle (integration)", () => {
 
     // A status card was sent.
     expect(rt.sentCards.length).toBeGreaterThanOrEqual(1);
+    expect(rt.sentReplies[0]).toMatchObject({
+      messageId: event.message.message_id,
+      msgType: "interactive",
+      replyInThread: undefined,
+    });
     expect(rt.sentTexts).toContain("mock response");
     expect(runAgentCalls).toHaveLength(1);
     expect(runAgentCalls[0]?.providerEnv).toMatchObject({