feat: 添加MCP调试插件并优化流式超时处理

refactor(relay): 将Provider Key管理路由移至model_config模块
fix(saas): 修复demo_keys与provider_keys的匹配逻辑
perf(runtime): 将流式响应超时从60秒延长至180秒以适配思考型模型
docs: 新增模块化审计和上线前功能测试方案文档
chore: 添加tauri-plugin-mcp依赖及相关配置

desktop/src-tauri/src/lib.rs

@@ -107,8 +107,20 @@ pub fn run() {
     let classroom_chat_state = classroom_commands::chat::create_chat_state();
     let classroom_gen_tasks = classroom_commands::create_generation_tasks();
 
-    tauri::Builder::default()
-        .plugin(tauri_plugin_opener::init())
+    let mut builder = tauri::Builder::default()
+        .plugin(tauri_plugin_opener::init());
+
+    // MCP debug plugin — only in debug builds, allows AI agents to interact with the app
+    #[cfg(debug_assertions)]
+    {
+        builder = builder.plugin(tauri_plugin_mcp::init_with_config(
+            tauri_plugin_mcp::PluginConfig::new("ZCLAW".to_string())
+                .start_socket_server(true)
+                .tcp_localhost(4000),
+        ));
+    }
+
+    builder
         .manage(browser_state)
         .manage(memory_state)
         .manage(heartbeat_state)