refactor(led): startup all-off, AP shows VFD, WS close no VFD change

Made-with: Cursor

lib/client.js

@@ -64,8 +64,8 @@ class ClawClient {
   async start() {
     log.info('clawd', `启动中... 服务器 = ${this._cfg.server}`);
 
-    // 启动时默认 SETUP 亮（未激活状态），连接成功后按实际状态切换
-    led.status.setSetup();
+    // 启动时全灭，WS 连接后由 _applyStatus() 按实际状态设置
+    led.status.off();
 
     this._startSdNotify();
 
@@ -153,7 +153,6 @@ class ClawClient {
       this._clearPing();
       if (!this._stopped) {
         log.warn('clawd', `连接断开 (${code})，${this._backoff / 1000}s 后重连...`);
-        led.display.showAP(); // 断开云端 → 显示 AP
         setTimeout(() => this._connect(), this._backoff);
         this._backoff = Math.min(this._backoff * 2, MAX_BACKOFF_MS);
       }