diff --git a/src/acp/translator.prompt-prefix.test.ts b/src/acp/translator.prompt-prefix.test.ts
index 77aeddb01..2faf40ff8 100644
--- a/src/acp/translator.prompt-prefix.test.ts
+++ b/src/acp/translator.prompt-prefix.test.ts
@@ -13,13 +13,12 @@ function createConnection(): AgentSideConnection {
 }
 
 describe("acp prompt cwd prefix", () => {
-  it("redacts home directory in prompt prefix", async () => {
+  async function runPromptWithCwd(cwd: string) {
     const sessionStore = createInMemorySessionStore();
-    const homeCwd = path.join(os.homedir(), "openclaw-test");
     sessionStore.createSession({
       sessionId: "session-1",
       sessionKey: "agent:main:main",
-      cwd: homeCwd,
+      cwd,
     });
 
     const requestSpy = vi.fn(async (method: string) => {
@@ -44,7 +43,11 @@ describe("acp prompt cwd prefix", () => {
         _meta: {},
       } as unknown as PromptRequest),
     ).rejects.toThrow("stop-after-send");
+    return requestSpy;
+  }
 
+  it("redacts home directory in prompt prefix", async () => {
+    const requestSpy = await runPromptWithCwd(path.join(os.homedir(), "openclaw-test"));
     expect(requestSpy).toHaveBeenCalledWith(
       "chat.send",
       expect.objectContaining({
@@ -53,4 +56,15 @@ describe("acp prompt cwd prefix", () => {
       { expectFinal: true },
     );
   });
+
+  it("keeps backslash separators when cwd uses them", async () => {
+    const requestSpy = await runPromptWithCwd(`${os.homedir()}\\openclaw-test`);
+    expect(requestSpy).toHaveBeenCalledWith(
+      "chat.send",
+      expect.objectContaining({
+        message: expect.stringContaining("[Working directory: ~\\openclaw-test]"),
+      }),
+      { expectFinal: true },
+    );
+  });
 });
diff --git a/src/agents/tools/cron-tool.test-harness.ts b/src/agents/tools/cron-tool.test-harness.ts
deleted file mode 100644
index af8153f3b..000000000
--- a/src/agents/tools/cron-tool.test-harness.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import { vi } from "vitest";
-import type { MockFn } from "../../test-utils/vitest-mock-fn.js";
-
-export const callGatewayMock = vi.fn() as unknown as MockFn;
-
-vi.mock("../../gateway/call.js", () => ({
-  callGateway: (opts: unknown) => callGatewayMock(opts),
-}));
-
-vi.mock("../agent-scope.js", () => ({
-  resolveSessionAgentId: () => "agent-123",
-}));
diff --git a/src/agents/tools/cron-tool.test-helpers.ts b/src/agents/tools/cron-tool.test-helpers.ts
deleted file mode 100644
index 904563686..000000000
--- a/src/agents/tools/cron-tool.test-helpers.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import { vi } from "vitest";
-
-type GatewayMockFn = ((opts: unknown) => unknown) & {
-  mockReset: () => void;
-  mockResolvedValue: (value: unknown) => void;
-};
-
-export const callGatewayMock = vi.fn() as GatewayMockFn;
-
-vi.mock("../../gateway/call.js", () => ({
-  callGateway: (opts: unknown) => callGatewayMock(opts),
-}));
-
-vi.mock("../agent-scope.js", () => ({
-  resolveSessionAgentId: () => "agent-123",
-}));
-
-export function resetCronToolGatewayMock() {
-  callGatewayMock.mockReset();
-  callGatewayMock.mockResolvedValue({ ok: true });
-}