fix(slack): skip monitor startup for disabled accounts [AI-assisted] (openclaw#30592) thanks @liuxiaopai-ai

Verified:
- pnpm install --frozen-lockfile
- pnpm build
- pnpm check
- pnpm test:macmini

Co-authored-by: liuxiaopai-ai <73659136+liuxiaopai-ai@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

src/slack/monitor.tool-result.test.ts

@@ -6,7 +6,9 @@ import {
   defaultSlackTestConfig,
   getSlackTestState,
   getSlackClient,
+  getSlackHandlers,
   getSlackHandlerOrThrow,
+  flush,
   resetSlackTestState,
   runSlackMessageOnce,
   startSlackMonitor,
@@ -119,6 +121,32 @@ describe("monitorSlackProvider tool results", () => {
     };
   }
 
+  it("skips socket startup when Slack channel is disabled", async () => {
+    slackTestState.config = {
+      channels: {
+        slack: {
+          enabled: false,
+          mode: "socket",
+          botToken: "xoxb-config",
+          appToken: "xapp-config",
+        },
+      },
+    };
+    const client = getSlackClient();
+    if (!client) {
+      throw new Error("Slack client not registered");
+    }
+    client.auth.test.mockClear();
+
+    const { controller, run } = startSlackMonitor(monitorSlackProvider);
+    await flush();
+    controller.abort();
+    await run;
+
+    expect(client.auth.test).not.toHaveBeenCalled();
+    expect(getSlackHandlers()?.size ?? 0).toBe(0);
+  });
+
   it("skips tool summaries with responsePrefix", async () => {
     replyMock.mockResolvedValue({ text: "final reply" });