feat: add cloud storage health check on startup

- Validate all enabled cloud storage configs at boot
- Ping each cloud provider to ensure connectivity
- Log health status for better diagnostics
- Help identify cloud storage configuration issues early

internal/service/boot_cloud_health.go

@@ -0,0 +1,54 @@
+package service
+
+import (
+	"context"
+	"time"
+
+	"go.uber.org/zap"
+)
+
+// BootCloudStorageHealthCheck验证所有已配置的云盘存储在启动时是否可用
+func (c *Container) BootCloudStorageHealthCheck(ctx context.Context) {
+	if c == nil || c.StorageCfg == nil {
+		return
+	}
+	
+	configs, err := c.StorageCfg.List(ctx)
+	if err != nil {
+		c.Log.Warn("boot: cloud storage health check failed to list configs", zap.Error(err))
+		return
+	}
+	
+	cloudConfigs := make([]StorageView, 0)
+	for _, cfg := range configs {
+		if cfg.Enabled && (cfg.Type == "quark" || cfg.Type == "cloud115" || cfg.Type == "clouddrive2" || cfg.Type == "openlist") {
+			cloudConfigs = append(cloudConfigs, cfg)
+		}
+	}
+	
+	if len(cloudConfigs) == 0 {
+		c.Log.Info("boot: no enabled cloud storage configured")
+		return
+	}
+	
+	c.Log.Info("boot: checking cloud storage health", zap.Int("count", len(cloudConfigs)))
+	
+	for _, cfg := range cloudConfigs {
+		go func(typ string) {
+			checkCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+			defer cancel()
+			
+			provider, err := c.StorageCfg.CloudProvider(checkCtx, typ)
+			if err != nil {
+				c.Log.Warn("boot: cloud storage unavailable", zap.String("type", typ), zap.Error(err))
+				return
+			}
+			
+			if err := provider.Ping(checkCtx); err != nil {
+				c.Log.Warn("boot: cloud storage ping failed", zap.String("type", typ), zap.Error(err))
+			} else {
+				c.Log.Info("boot: cloud storage healthy", zap.String("type", typ))
+			}
+		}(cfg.Type)
+	}
+}

internal/service/service.go

@@ -248,6 +248,9 @@ func (c *Container) Boot() {
 	// 启动调度器定时任务
 	c.Scheduler.Start(c.stopCtx)
 
+	// 云盘存储健康检查
+	c.BootCloudStorageHealthCheck(c.stopCtx)
+
 	// 自动扫描云盘媒体库，使内容对所有用户立即可见
 	c.BootCloudLibraries(c.stopCtx)