feat: 增加对 Windows CLI 工具的支持，允许使用 cmd 作为首选 shell，并改进错误处理

ccw/bin/ccw-mcp.js

@@ -4,4 +4,19 @@
  * Entry point for running CCW tools as an MCP server
  */
 
-import '../dist/mcp-server/index.js';
+// IMPORTANT:
+// MCP stdio servers must not write arbitrary text to stdout.
+// stdout is reserved for JSON-RPC protocol messages.
+// Redirect common console output to stderr to avoid breaking handshake.
+const toStderr = (...args) => console.error(...args);
+console.log = toStderr;
+console.info = toStderr;
+console.debug = toStderr;
+console.dir = toStderr;
+
+try {
+  await import('../dist/mcp-server/index.js');
+} catch (err) {
+  console.error('[ccw-mcp] Failed to start MCP server:', err);
+  process.exit(1);
+}