Feishu: reply to topic roots

extensions/feishu/src/bot.test.ts

@@ -1397,6 +1397,44 @@ describe("handleFeishuMessage command authorization", () => {
     );
   });
 
+  it("replies to the topic root when handling a message inside an existing topic", async () => {
+    mockShouldComputeCommandAuthorized.mockReturnValue(false);
+
+    const cfg: ClawdbotConfig = {
+      channels: {
+        feishu: {
+          groups: {
+            "oc-group": {
+              requireMention: false,
+              replyInThread: "enabled",
+            },
+          },
+        },
+      },
+    } as ClawdbotConfig;
+
+    const event: FeishuMessageEvent = {
+      sender: { sender_id: { open_id: "ou-topic-user" } },
+      message: {
+        message_id: "om_child_message",
+        root_id: "om_root_topic",
+        chat_id: "oc-group",
+        chat_type: "group",
+        message_type: "text",
+        content: JSON.stringify({ text: "reply inside topic" }),
+      },
+    };
+
+    await dispatchMessage({ cfg, event });
+
+    expect(mockCreateFeishuReplyDispatcher).toHaveBeenCalledWith(
+      expect.objectContaining({
+        replyToMessageId: "om_root_topic",
+        rootId: "om_root_topic",
+      }),
+    );
+  });
+
   it("forces thread replies when inbound message contains thread_id", async () => {
     mockShouldComputeCommandAuthorized.mockReturnValue(false);
 

extensions/feishu/src/bot.ts

@@ -1231,13 +1231,13 @@ export async function handleFeishuMessage(params: {
     const messageCreateTimeMs = event.message.create_time
       ? parseInt(event.message.create_time, 10)
       : undefined;
-
+    const replyTargetMessageId = ctx.rootId ?? ctx.messageId;
     const { dispatcher, replyOptions, markDispatchIdle } = createFeishuReplyDispatcher({
       cfg,
       agentId: route.agentId,
       runtime: runtime as RuntimeEnv,
       chatId: ctx.chatId,
-      replyToMessageId: ctx.messageId,
+      replyToMessageId: replyTargetMessageId,
       skipReplyToInMessages: !isGroup,
       replyInThread,
       rootId: ctx.rootId,