fix: handle windows session workdir separators

apps/kimi-code/package.json

@@ -71,6 +71,7 @@
     "chalk": "^5.4.1",
     "cli-highlight": "^2.1.11",
     "commander": "^13.1.0",
+    "pathe": "^2.0.3",
     "semver": "^7.7.4",
     "smol-toml": "^1.6.1",
     "zod": "^4.3.6"

apps/kimi-code/src/cli/run-prompt.ts

@@ -17,6 +17,7 @@ import {
   type SessionStatus,
   type TelemetryClient,
 } from '@moonshot-ai/kimi-code-sdk';
+import { resolve } from 'pathe';
 
 import { CLI_SHUTDOWN_TIMEOUT_MS } from '#/constant/app';
 import { experimentalFeatureMap } from '#/utils/experimental-features';
@@ -229,7 +230,7 @@ async function resolvePromptSession(
     if (target === undefined) {
       throw new Error(`Session "${opts.session}" not found.`);
     }
-    if (target.workDir !== workDir) {
+    if (resolve(target.workDir) !== resolve(workDir)) {
       stderr.write(
         `${chalk.hex('#E8A838')(
           `Session "${opts.session}" was created under a different directory.\n` +

apps/kimi-code/src/tui/kimi-tui.ts

@@ -22,6 +22,7 @@ import type {
   Session,
 } from '@moonshot-ai/kimi-code-sdk';
 import chalk from 'chalk';
+import { resolve } from 'pathe';
 
 import type { CLIOptions } from '#/cli/options';
 import { MigrationScreenComponent, type MigrationScreenResult } from '#/migration/index';
@@ -512,7 +513,7 @@ export class KimiTUI {
           if (target === undefined) {
             throw new Error(`Session "${startup.sessionFlag}" not found.`);
           }
-          if (target.workDir !== workDir) {
+          if (resolve(target.workDir) !== resolve(workDir)) {
             this.state.ui.stop();
             process.stderr.write(
               `${chalk.hex(this.state.theme.colors.warning)(

apps/kimi-code/test/cli/run-prompt.test.ts

@@ -440,6 +440,28 @@ describe('runPrompt', () => {
     expect(mocks.session.setPermission).toHaveBeenNthCalledWith(2, 'manual');
   });
 
+  it('allows resuming a concrete session when Windows workdir uses backslashes', async () => {
+    const cwd = vi.spyOn(process, 'cwd').mockReturnValue(String.raw`C:\Users\kimi\project`);
+    mocks.harnessListSessions.mockResolvedValueOnce([
+      { id: 'ses_existing', workDir: 'C:/Users/kimi/project' },
+    ]);
+
+    try {
+      await runPrompt(opts({ session: 'ses_existing' }), '1.2.3-test', {
+        stdout: { write: vi.fn(() => true) },
+        stderr: { write: vi.fn(() => true) },
+      });
+    } finally {
+      cwd.mockRestore();
+    }
+
+    expect(mocks.harnessListSessions).toHaveBeenCalledWith({
+      sessionId: 'ses_existing',
+      workDir: String.raw`C:\Users\kimi\project`,
+    });
+    expect(mocks.harnessResumeSession).toHaveBeenCalledWith({ id: 'ses_existing' });
+  });
+
   it('applies the CLI model override to resumed prompt sessions', async () => {
     await runPrompt(opts({ session: 'ses_existing', model: 'kimi-code/k2.5' }), '1.2.3-test', {
       stdout: { write: vi.fn(() => true) },

apps/kimi-code/test/tui/kimi-tui-startup.test.ts

@@ -897,6 +897,31 @@ describe("KimiTUI startup", () => {
 
     expect(uiContainsFooter(driver)).toBe(true);
   });
+
+  it("resumes a startup session when Windows workdir uses backslashes", async () => {
+    const session = makeSession({ id: "ses-target" });
+    const harness = makeHarness(session, {
+      listSessions: vi.fn(async () => [
+        { id: "ses-target", workDir: "C:/Users/kimi/project" },
+      ]),
+    });
+    const driver = makeDriver(
+      harness,
+      {
+        ...makeStartupInput({ session: "ses-target" }),
+        workDir: String.raw`C:\Users\kimi\project`,
+      },
+    );
+
+    await expect(driver.init()).resolves.toBe(true);
+
+    expect(harness.listSessions).toHaveBeenCalledWith({
+      sessionId: "ses-target",
+      workDir: String.raw`C:\Users\kimi\project`,
+    });
+    expect(harness.resumeSession).toHaveBeenCalledWith({ id: "ses-target" });
+    expect(driver.state.appState.sessionId).toBe("ses-target");
+  });
 });
 
 function uiContainsFooter(driver: StartupDriver): boolean {