perf(*): 创作工作台 - 优化首页按需加载与画布交互并修复历史迁移冲突

web/src/types/canvas.ts

@@ -506,13 +506,16 @@ export type ConnectionHandle = {
     anchorRatio?: number;
 };
 
+export type CanvasSelectionStrategy = "replace" | "add" | "toggle" | "subtract";
+export type CanvasSelectionHitMode = "contain" | "intersect";
+
 export type SelectionBox = {
     startWorldX: number;
     startWorldY: number;
     currentWorldX: number;
     currentWorldY: number;
-    additive: boolean;
-    subtractive: boolean;
+    strategy: CanvasSelectionStrategy;
+    hitMode: CanvasSelectionHitMode;
     initialSelectedNodeIds: string[];
 };