feat(*): 创作工作台 - 完善媒体上传预览与连线交互并修复任务章节及日志筛选

web/test/chapter-asset-breakdown.test.ts

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+import { describe, expect, test } from "bun:test";
+import { parseChapterAssetBreakdown } from "../src/lib/canvas/chapter-asset-breakdown";
+
+describe("章节三类资产解析", () => {
+    test("无角色章节仍可提取场景和道具", () => {
+        const result = parseChapterAssetBreakdown(JSON.stringify({ characters: [], scenes: [{ name: "车站", description: "空旷站台", prompt: "夜间站台" }], props: [{ name: "信封", description: "牛皮纸信封", prompt: "褐色信封特写" }] }));
+        expect(result.characters).toEqual([]);
+        expect(result.scenes[0].name).toBe("车站");
+        expect(result.props[0].name).toBe("信封");
+    });
+    test("缺失数组或缺失描述不能静默跳过", () => {
+        expect(() => parseChapterAssetBreakdown('{"characters":[]}')).toThrow("缺少");
+        expect(() => parseChapterAssetBreakdown('{"characters":[],"scenes":[{"name":"车站"}],"props":[]}')).toThrow("description");
+    });
+    test("支持围栏 JSON 和无资产章节", () => {
+        expect(parseChapterAssetBreakdown('```json\n{"characters":[],"scenes":[],"props":[]}\n```')).toEqual({ characters: [], scenes: [], props: [] });
+    });
+    test("忽略正文解释但仍校验完整资产对象", () => {
+        expect(parseChapterAssetBreakdown('提取结果如下：\n{"characters":[],"scenes":[],"props":[]}\n以上为全部结果。')).toEqual({ characters: [], scenes: [], props: [] });
+    });
+});