refactor(*): 代码质量 - 优化前后端实现并完善协议与画布验证

backend/internal/repository/tools.go

@@ -5,9 +5,9 @@ import (
 	"strings"
 	"time"
 
-	"infinite-canvas/backend/internal/kernel"
-	"infinite-canvas/backend/internal/model"
-	"infinite-canvas/backend/internal/tools"
+	"yingce/backend/internal/kernel"
+	"yingce/backend/internal/model"
+	"yingce/backend/internal/tools"
 
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"