⚡ perf(vscode): 代码阅读预览发给页面的块只记相对位置：块在源码里占的地方记成离前一块多远、自己多长，块里名字的下标从块的开头算，页面从文件开头累加回文件里的位置、和扩展端打交道的地方都在一处换算；靠前改了代码，后面内容没变的块发过去一模一样，扩展端自己的块和发给页面的块分成两种类型

vscode/src/codeReader/editor/previewEditor.test.ts

@@ -38,9 +38,10 @@ vi.mock('../folderStore', () => ({ locate: () => ({ folder: { uri: { fsPath: '/w
 vi.mock('./pathPreview', () => ({ PATH_PREVIEW_SCHEME: 'code-reader-path', topSubjectOf: (uri: unknown) => ({ uri, kind: 'file' }) }))
 vi.mock('./occurrences', () => ({ occurrencesOf: vi.fn() }))
 /** 排视图数据不真的解析：一份没有块的文档 */
-vi.mock('./documentMessage', () => ({
+vi.mock('./documentMessage', async importOriginal => ({
+  ...await importOriginal<typeof import('./documentMessage')>(),
   documentMessage: vi.fn(async (input: { languageId: string, version: number }) => ({
-    message: { type: 'document', version: input.version, languageId: input.languageId, blocks: [], attributes: [], translators: [], translatorId: '', names: [] },
+    message: { type: 'document', version: input.version, languageId: input.languageId, blocks: [], source: '', colors: { roles: [], runs: [] }, attributes: [], translators: [], translatorId: '', names: [] },
     displayNames: [],
     symbols: [],
     imports: [],
@@ -539,7 +540,7 @@ describe('注释里不带路径的引用按它写在哪块的注释里找', () =
   it('同一个名字：方法说明里的找得到同类的另一个方法，顶层函数说明里的找不到；标坏链接、点了打开都按各自那块找', async () => {
     const blocks = [declared('class AgentService', 100, [declared(METHOD, 400)]), declared(HELPER, 950)]
     vi.mocked(documentMessage).mockImplementationOnce(async input => ({
-      message: { type: 'document', version: input.version, languageId: input.languageId, blocks, attributes: [], translators: [], translatorId: '', names: [] },
+      message: { type: 'document', version: input.version, languageId: input.languageId, blocks, source: '', colors: { roles: [], runs: [] }, attributes: [], translators: [], translatorId: '', names: [] },
       displayNames: [],
       symbols: [],
       imports: [],