Fix: 统一日志术语并清理重复注释

- database -> storage
- 移除重复的Neighbor注释

cmd/main.go

@@ -50,7 +50,7 @@ func NewApp(cfg *config.Config) *App {
 		if err != nil {
 			log.Printf("Warning: failed to load devices from database: %v", err)
 		} else {
-			log.Printf("Loaded %d devices from database", len(devices))
+			log.Printf("Loaded %d devices from storage", len(devices))
 			for _, dev := range devices {
 				app.builder.AddDevice(dev)
 			}