fix(cli): 修复 Windows 路径反斜杠被吞掉的问题并添加跨平台路径支持

- 重写 escapeWindowsArg 函数，正确处理反斜杠和引号转义
- 添加 escapeUnixArg 函数支持 Linux/macOS shell 转义
- 添加 normalizePathSeparators 函数自动转换路径分隔符
- 修复 vscode-lsp.ts 中的 TypeScript 类型错误

ccw/src/tools/vscode-lsp.ts

@@ -93,7 +93,7 @@ async function callVSCodeBridge(
     clearTimeout(timeoutId);
 
     if (!response.ok) {
-      const errorBody = await response.json();
+      const errorBody = await response.json() as any;
       return {
         success: false,
         error: errorBody.error || `HTTP ${response.status}: ${response.statusText}`,
@@ -101,7 +101,7 @@ async function callVSCodeBridge(
       };
     }
 
-    const data = await response.json();
+    const data = await response.json() as any;
     return {
       success: data.success !== false,
       result: data.result,