refactor(*): 代码质量治理 - 收敛接口客户端、模型职责与异步计费巡检

web/test/canvas-drawing-engine.test.ts

@@ -1,4 +1,4 @@
-import { describe, expect, it } from "vitest";
+import { describe, expect, it } from "bun:test";
 
 import { drawingEngineForNode } from "../src/lib/canvas/canvas-drawing-engine";
 import { summarizeCanvasDrawing } from "../src/lib/canvas/canvas-drawing-storage";