fix(wish-tree): 修复切换树后导航消失和树类型错误

- loadWishes使用safeInitRibbons/safeInitDanmaku，防止初始化出错导致页面崩溃
- getCurrentTree确保返回带type字段的有效树对象
- 添加错误处理，避免未定义错误

.gitea/workflows/server-deploy.yml

@@ -76,8 +76,7 @@ jobs:
           TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
           DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
         run: |
-          chmod +x .gitea/scripts/notify.sh
-          .gitea/scripts/notify.sh success \
+          bash .gitea/scripts/notify.sh success \
             "后端服务部署成功" \
             "部署包已保存到: /opt/lunar/ci-artifacts/server-deploy-latest.tar.gz"
       
@@ -88,8 +87,7 @@ jobs:
           TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
           DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
         run: |
-          chmod +x .gitea/scripts/notify.sh
-          .gitea/scripts/notify.sh failure \
+          bash .gitea/scripts/notify.sh failure \
             "后端服务部署失败" \
             "请检查 Actions 日志了解失败原因"