feat(proxy,sora): 增强代理质量检测与Sora稳定性并修复审查问题

backend/internal/server/routes/admin.go

@@ -321,6 +321,7 @@ func registerProxyRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 		proxies.PUT("/:id", h.Admin.Proxy.Update)
 		proxies.DELETE("/:id", h.Admin.Proxy.Delete)
 		proxies.POST("/:id/test", h.Admin.Proxy.Test)
+		proxies.POST("/:id/quality-check", h.Admin.Proxy.CheckQuality)
 		proxies.GET("/:id/stats", h.Admin.Proxy.GetStats)
 		proxies.GET("/:id/accounts", h.Admin.Proxy.GetProxyAccounts)
 		proxies.POST("/batch-delete", h.Admin.Proxy.BatchDelete)