fix(paths): accept Unicode working directories

test/working-directory-schema.test.ts

@@ -0,0 +1,24 @@
+import { describe, expect, it } from 'vitest';
+import { CreateSessionSchema, QuickRunSchema, ScheduledRunSchema } from '../src/web/schemas.js';
+
+describe('working directory schemas', () => {
+  const unicodeWorkingDir = '/mnt/d/AI/中文项目';
+
+  it('accepts Unicode paths for session creation and run requests', () => {
+    expect(CreateSessionSchema.safeParse({ workingDir: unicodeWorkingDir, mode: 'codex' }).success).toBe(true);
+    expect(QuickRunSchema.safeParse({ workingDir: unicodeWorkingDir, prompt: 'test' }).success).toBe(true);
+    expect(
+      ScheduledRunSchema.safeParse({ workingDir: unicodeWorkingDir, prompt: 'test', durationMinutes: 10 }).success
+    ).toBe(true);
+  });
+
+  it('continues to reject shell metacharacters in Unicode paths', () => {
+    const unsafeWorkingDir = `${unicodeWorkingDir};rm -rf /`;
+
+    expect(CreateSessionSchema.safeParse({ workingDir: unsafeWorkingDir, mode: 'codex' }).success).toBe(false);
+    expect(QuickRunSchema.safeParse({ workingDir: unsafeWorkingDir, prompt: 'test' }).success).toBe(false);
+    expect(
+      ScheduledRunSchema.safeParse({ workingDir: unsafeWorkingDir, prompt: 'test', durationMinutes: 10 }).success
+    ).toBe(false);
+  });
+});