feat(admin): 存储管理 - 支持批量引用校验与事务化删除

Adapted from ddcat-ai/open-ai-canvas#339

Original commit: fcdbe2aa833f31f683f709b7f409a0534ed78e20

Refs #339

Co-authored-by: 宇熙 <101980758+yuxiwl@users.noreply.github.com>

backend/internal/handler/admin_storage.go

@@ -9,6 +9,25 @@ import (
 )
 
 func RegisterAdminStorageRoutes(r *gin.RouterGroup, svc *service.Service) {
+	r.POST("/admin/resources/delete", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		var req service.AdminResourceDeleteRequest
+		if err := c.ShouldBindJSON(&req); err != nil {
+			failService(c, service.BadAuthRequest("删除资源请求无效"))
+			return
+		}
+		result, err := svc.DeleteAdminResources(user, req)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, result)
+	})
+
 	r.GET("/admin/storage/stats", func(c *gin.Context) {
 		user, err := currentUser(c, svc)
 		if err != nil {