Discord: bind group DM interactions by channel

extensions/discord/src/monitor/agent-components.ts

@@ -804,9 +804,10 @@ async function dispatchPluginDiscordInteractiveEvent(params: {
   fields?: Array<{ id: string; name: string; values: string[] }>;
   messageId?: string;
 }): Promise<"handled" | "unmatched"> {
-  const normalizedConversationId = params.interactionCtx.rawGuildId
-    ? `channel:${params.interactionCtx.channelId}`
-    : `user:${params.interactionCtx.userId}`;
+  const normalizedConversationId =
+    params.interactionCtx.rawGuildId || params.channelCtx.channelType === ChannelType.GroupDM
+      ? `channel:${params.interactionCtx.channelId}`
+      : `user:${params.interactionCtx.userId}`;
   let responded = false;
   const respond = {
     acknowledge: async () => {

extensions/discord/src/monitor/monitor.test.ts

@@ -5,6 +5,7 @@ import type {
   StringSelectMenuInteraction,
 } from "@buape/carbon";
 import type { Client } from "@buape/carbon";
+import { ChannelType } from "discord-api-types/v10";
 import type { GatewayPresenceUpdate } from "discord-api-types/v10";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import type { OpenClawConfig } from "../../../../src/config/config.js";
@@ -641,6 +642,42 @@ describe("discord component interactions", () => {
     expect(dispatchReplyMock).not.toHaveBeenCalled();
   });
 
+  it("routes plugin Discord interactions in group DMs by channel id instead of sender id", async () => {
+    registerDiscordComponentEntries({
+      entries: [createButtonEntry({ callbackData: "codex:approve" })],
+      modals: [],
+    });
+    dispatchPluginInteractiveHandlerMock.mockResolvedValue({
+      matched: true,
+      handled: true,
+      duplicate: false,
+    });
+
+    const button = createDiscordComponentButton(createComponentContext());
+    const { interaction } = createComponentButtonInteraction({
+      rawData: {
+        channel_id: "group-dm-1",
+        id: "interaction-group-dm-1",
+      } as unknown as ButtonInteraction["rawData"],
+      channel: {
+        id: "group-dm-1",
+        type: ChannelType.GroupDM,
+      } as unknown as ButtonInteraction["channel"],
+    });
+
+    await button.run(interaction, { cid: "btn_1" } as ComponentData);
+
+    expect(dispatchPluginInteractiveHandlerMock).toHaveBeenCalledWith(
+      expect.objectContaining({
+        ctx: expect.objectContaining({
+          conversationId: "channel:group-dm-1",
+          senderId: "123456789",
+        }),
+      }),
+    );
+    expect(dispatchReplyMock).not.toHaveBeenCalled();
+  });
+
   it("does not fall through to Claw when a plugin Discord interaction already replied", async () => {
     registerDiscordComponentEntries({
       entries: [createButtonEntry({ callbackData: "codex:approve" })],