fix: 完善交互、知识库目录与 Windows 运行库提示

tests/unit/windows-runtime.test.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from 'vitest'
+import {
+  isWindowsVcRuntimeMissingError,
+  WINDOWS_VC_RUNTIME_DOWNLOAD_URL,
+  WINDOWS_VC_RUNTIME_ERROR_MESSAGE
+} from '../../src/shared/windows-runtime'
+
+describe('Windows Visual C++ runtime diagnostics', () => {
+  it.each([
+    'VCRUNTIME140_1.dll was not found',
+    'MSVCP140.dll is missing',
+    'The specified module could not be found',
+    'Win32 error 126',
+    '找不到指定的模块'
+  ])('recognizes a Windows native dependency load failure: %s', (detail) => {
+    expect(isWindowsVcRuntimeMissingError(detail, 'win32')).toBe(true)
+  })
+
+  it('does not relabel unrelated or non-Windows failures', () => {
+    expect(isWindowsVcRuntimeMissingError('invalid database key', 'win32')).toBe(false)
+    expect(isWindowsVcRuntimeMissingError('VCRUNTIME140.dll was not found', 'darwin')).toBe(false)
+  })
+
+  it('keeps the official download URL in the actionable error message', () => {
+    expect(WINDOWS_VC_RUNTIME_ERROR_MESSAGE).toContain(WINDOWS_VC_RUNTIME_DOWNLOAD_URL)
+  })
+})