fix: dedupe telegram updates

src/telegram/bot.test.ts

@@ -1794,4 +1794,126 @@ describe("createTelegramBot", () => {
       expect.objectContaining({ message_thread_id: 99 }),
     );
   });
+
+  it("dedupes duplicate message updates by update_id", async () => {
+    onSpy.mockReset();
+    const replySpy = replyModule.__replySpy as unknown as ReturnType<
+      typeof vi.fn
+    >;
+    replySpy.mockReset();
+
+    loadConfig.mockReturnValue({
+      telegram: { dmPolicy: "open", allowFrom: ["*"] },
+    });
+
+    createTelegramBot({ token: "tok" });
+    const handler = getOnHandler("message") as (
+      ctx: Record<string, unknown>,
+    ) => Promise<void>;
+
+    const ctx = {
+      update: { update_id: 111 },
+      message: {
+        chat: { id: 123, type: "private" },
+        from: { id: 456, username: "testuser" },
+        text: "hello",
+        date: 1736380800,
+        message_id: 42,
+      },
+      me: { username: "clawdbot_bot" },
+      getFile: async () => ({ download: async () => new Uint8Array() }),
+    };
+
+    await handler(ctx);
+    await handler(ctx);
+
+    expect(replySpy).toHaveBeenCalledTimes(1);
+  });
+
+  it("dedupes duplicate callback_query updates by update_id", async () => {
+    onSpy.mockReset();
+    const replySpy = replyModule.__replySpy as unknown as ReturnType<
+      typeof vi.fn
+    >;
+    replySpy.mockReset();
+
+    loadConfig.mockReturnValue({
+      telegram: { dmPolicy: "open", allowFrom: ["*"] },
+    });
+
+    createTelegramBot({ token: "tok" });
+    const handler = getOnHandler("callback_query") as (
+      ctx: Record<string, unknown>,
+    ) => Promise<void>;
+
+    const ctx = {
+      update: { update_id: 222 },
+      callbackQuery: {
+        id: "cb-1",
+        data: "ping",
+        from: { id: 789, username: "testuser" },
+        message: {
+          chat: { id: 123, type: "private" },
+          date: 1736380800,
+          message_id: 9001,
+        },
+      },
+      me: { username: "clawdbot_bot" },
+      getFile: async () => ({}),
+    };
+
+    await handler(ctx);
+    await handler(ctx);
+
+    expect(replySpy).toHaveBeenCalledTimes(1);
+  });
+
+  it("allows distinct callback_query ids without update_id", async () => {
+    onSpy.mockReset();
+    const replySpy = replyModule.__replySpy as unknown as ReturnType<
+      typeof vi.fn
+    >;
+    replySpy.mockReset();
+
+    loadConfig.mockReturnValue({
+      telegram: { dmPolicy: "open", allowFrom: ["*"] },
+    });
+
+    createTelegramBot({ token: "tok" });
+    const handler = getOnHandler("callback_query") as (
+      ctx: Record<string, unknown>,
+    ) => Promise<void>;
+
+    await handler({
+      callbackQuery: {
+        id: "cb-1",
+        data: "ping",
+        from: { id: 789, username: "testuser" },
+        message: {
+          chat: { id: 123, type: "private" },
+          date: 1736380800,
+          message_id: 9001,
+        },
+      },
+      me: { username: "clawdbot_bot" },
+      getFile: async () => ({}),
+    });
+
+    await handler({
+      callbackQuery: {
+        id: "cb-2",
+        data: "ping",
+        from: { id: 789, username: "testuser" },
+        message: {
+          chat: { id: 123, type: "private" },
+          date: 1736380800,
+          message_id: 9001,
+        },
+      },
+      me: { username: "clawdbot_bot" },
+      getFile: async () => ({}),
+    });
+
+    expect(replySpy).toHaveBeenCalledTimes(2);
+  });
 });