test(telegram): cover threaded qa replies

extensions/qa-lab/src/telegram-live.runtime.test.ts

@@ -73,6 +73,7 @@ describe("telegram live qa runtime", () => {
           enabled: true,
           botToken: "sut-token",
           dmPolicy: "disabled",
+          replyToMode: "first",
           groups: {
             "-100123": {
               groupPolicy: "allowlist",

extensions/telegram/src/bot.create-telegram-bot.test.ts

@@ -2388,6 +2388,7 @@ describe("createTelegramBot", () => {
   });
   it("threads native command replies inside topics", async () => {
     commandSpy.mockClear();
+    sendMessageSpy.mockClear();
     replySpy.mockResolvedValue({ text: "response" });
 
     loadConfig.mockReturnValue({
@@ -2396,6 +2397,7 @@ describe("createTelegramBot", () => {
         telegram: {
           dmPolicy: "open",
           allowFrom: ["*"],
+          replyToMode: "first",
           groups: { "*": { requireMention: false } },
         },
       },
@@ -2413,7 +2415,7 @@ describe("createTelegramBot", () => {
     expect(sendMessageSpy).toHaveBeenCalledWith(
       "-1001234567890",
       expect.any(String),
-      expect.objectContaining({ message_thread_id: 99 }),
+      expect.objectContaining({ message_thread_id: 99, reply_to_message_id: 42 }),
     );
   });
   it("reloads native command routing bindings between invocations without recreating the bot", async () => {