feat: 修改 SessionCommandHandler 的构造函数为公有可见性，优化代码可读性；更新 WebSocket 处理逻辑以简化模式匹配

src/command/handlers/session.rs

@@ -17,7 +17,7 @@ impl SessionCommandHandler {
     ///
     /// # Arguments
     /// * `cli_sessions` - CLI 会话服务
-    pub fn new(cli_sessions: CliSessionService) -> Self {
+    pub(crate) fn new(cli_sessions: CliSessionService) -> Self {
         Self { cli_sessions }
     }
 }

src/gateway/ws.rs

@@ -224,7 +224,7 @@ async fn handle_inbound(
 
             // 处理响应
             for msg in outbounds {
-                if let WsOutbound::SessionCreated { session_id, title } = &msg {
+                if let WsOutbound::SessionCreated { session_id, title: _ } = &msg {
                     *current_session_id = session_id.clone();
                     state
                         .channel_manager