diff --git a/extensions/signal/src/monitor.tool-result.test-harness.ts b/extensions/signal/src/monitor.tool-result.test-harness.ts
index 6995e71320e..1611da470c0 100644
--- a/extensions/signal/src/monitor.tool-result.test-harness.ts
+++ b/extensions/signal/src/monitor.tool-result.test-harness.ts
@@ -1,7 +1,7 @@
-import { resetSystemEventsForTest } from "openclaw/plugin-sdk/infra-runtime";
-import { resetInboundDedupe } from "openclaw/plugin-sdk/reply-runtime";
 import type { MockFn } from "openclaw/plugin-sdk/testing";
 import { beforeEach, vi } from "vitest";
+import { resetInboundDedupe } from "../../../src/auto-reply/reply/inbound-dedupe.js";
+import { resetSystemEventsForTest } from "../../../src/infra/system-events.js";
 import type { SignalDaemonExitEvent, SignalDaemonHandle } from "./daemon.js";
 
 type SignalToolResultTestMocks = {
@@ -73,6 +73,10 @@ vi.mock("openclaw/plugin-sdk/config-runtime", async (importOriginal) => {
   return {
     ...actual,
     loadConfig: () => config,
+    resolveStorePath: vi.fn(() => "/tmp/openclaw-sessions.json"),
+    updateLastRoute: (...args: unknown[]) => updateLastRouteMock(...args),
+    readSessionUpdatedAt: vi.fn(() => undefined),
+    recordSessionMetaFromInbound: vi.fn().mockResolvedValue(undefined),
   };
 });
 
@@ -81,28 +85,51 @@ vi.mock("openclaw/plugin-sdk/reply-runtime", async (importOriginal) => {
   return {
     ...actual,
     getReplyFromConfig: (...args: unknown[]) => replyMock(...args),
+    dispatchInboundMessage: async (params: {
+      ctx: unknown;
+      cfg: unknown;
+      dispatcher: {
+        sendFinalReply: (payload: { text: string }) => boolean;
+        markComplete?: () => void;
+        waitForIdle?: () => Promise<void>;
+      };
+    }) => {
+      const resolved = await replyMock(params.ctx, {}, params.cfg);
+      const text = typeof resolved?.text === "string" ? resolved.text.trim() : "";
+      if (text) {
+        params.dispatcher.sendFinalReply({ text });
+      }
+      params.dispatcher.markComplete?.();
+      await params.dispatcher.waitForIdle?.();
+      return { queuedFinal: Boolean(text) };
+    },
   };
 });
 
-vi.mock("./send.js", () => ({
-  sendMessageSignal: (...args: unknown[]) => sendMock(...args),
-  sendTypingSignal: vi.fn().mockResolvedValue(true),
-  sendReadReceiptSignal: vi.fn().mockResolvedValue(true),
-}));
-
-vi.mock("openclaw/plugin-sdk/conversation-runtime", () => ({
-  readChannelAllowFromStore: (...args: unknown[]) => readAllowFromStoreMock(...args),
-  upsertChannelPairingRequest: (...args: unknown[]) => upsertPairingRequestMock(...args),
-}));
-
-vi.mock("openclaw/plugin-sdk/config-runtime", async (importOriginal) => {
-  const actual = await importOriginal<typeof import("openclaw/plugin-sdk/config-runtime")>();
+vi.mock("./send.js", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("./send.js")>();
   return {
     ...actual,
-    resolveStorePath: vi.fn(() => "/tmp/openclaw-sessions.json"),
-    updateLastRoute: (...args: unknown[]) => updateLastRouteMock(...args),
-    readSessionUpdatedAt: vi.fn(() => undefined),
-    recordSessionMetaFromInbound: vi.fn().mockResolvedValue(undefined),
+    sendMessageSignal: (...args: unknown[]) => sendMock(...args),
+    sendTypingSignal: vi.fn().mockResolvedValue(true),
+    sendReadReceiptSignal: vi.fn().mockResolvedValue(true),
+  };
+});
+
+vi.mock("openclaw/plugin-sdk/conversation-runtime", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("openclaw/plugin-sdk/conversation-runtime")>();
+  return {
+    ...actual,
+    readChannelAllowFromStore: (...args: unknown[]) => readAllowFromStoreMock(...args),
+    upsertChannelPairingRequest: (...args: unknown[]) => upsertPairingRequestMock(...args),
+  };
+});
+
+vi.mock("openclaw/plugin-sdk/security-runtime", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("openclaw/plugin-sdk/security-runtime")>();
+  return {
+    ...actual,
+    readStoreAllowFromForDmPolicy: (...args: unknown[]) => readAllowFromStoreMock(...args),
   };
 });