Fix Discord native commands bypassing group DM channel allowlist (#57735)

* Fix Discord native commands bypassing group DM channel allowlist

* Fix linting

* Update tests

extensions/discord/src/monitor/native-command.options.test.ts

@@ -43,10 +43,20 @@ function createNativeCommand(
   if (!command) {
     throw new Error(`missing native command: ${name}`);
   }
-  const cfg = (opts?.cfg ?? {}) as ReturnType<typeof loadConfig>;
-  const discordConfig = (opts?.discordConfig ?? {}) as NonNullable<
+  const baseCfg = (opts?.cfg ?? {}) as ReturnType<typeof loadConfig>;
+  const discordConfig = (opts?.discordConfig ?? baseCfg.channels?.discord ?? {}) as NonNullable<
     OpenClawConfig["channels"]
   >["discord"];
+  const cfg =
+    opts?.discordConfig === undefined
+      ? baseCfg
+      : ({
+          ...baseCfg,
+          channels: {
+            ...baseCfg.channels,
+            discord: discordConfig,
+          },
+        } as ReturnType<typeof loadConfig>);
   return createDiscordNativeCommand({
     command,
     cfg,
@@ -199,6 +209,57 @@ describe("createDiscordNativeCommand option wiring", () => {
     expect(respond).toHaveBeenCalledWith([]);
   });
 
+  it("returns no autocomplete choices for group DMs outside dm.groupChannels", async () => {
+    const discordConfig = {
+      dm: {
+        enabled: true,
+        policy: "open",
+        groupEnabled: true,
+        groupChannels: ["allowed-group"],
+      },
+    } satisfies NonNullable<OpenClawConfig["channels"]>["discord"];
+    const command = createNativeCommand("think", {
+      cfg: {
+        commands: {
+          allowFrom: {
+            discord: ["user:allowed-user"],
+          },
+        },
+      } as ReturnType<typeof loadConfig>,
+      discordConfig,
+    });
+    const level = requireOption(command, "level");
+    const autocomplete = readAutocomplete(level);
+    if (typeof autocomplete !== "function") {
+      throw new Error("think level option did not wire autocomplete");
+    }
+    const respond = vi.fn(async (_choices: unknown[]) => undefined);
+
+    await autocomplete({
+      user: {
+        id: "allowed-user",
+        username: "allowed",
+        globalName: "Allowed",
+      },
+      channel: {
+        type: ChannelType.GroupDM,
+        id: "blocked-group",
+        name: "Blocked Group",
+      },
+      guild: undefined,
+      rawData: {
+        member: { roles: [] },
+      },
+      options: {
+        getFocused: () => ({ value: "xh" }),
+      },
+      respond,
+      client: {},
+    } as never);
+
+    expect(respond).toHaveBeenCalledWith([]);
+  });
+
   it("truncates Discord command and option descriptions to Discord's limit", () => {
     const longDescription = "x".repeat(140);
     const cfg = {} as ReturnType<typeof loadConfig>;