✨ feat(vscode): 代码阅读侧栏拆成多栏：常驻未提交的更改、收藏目录各占一栏

vscode/src/codeReader/editor/previewEditor.ts

@@ -1,9 +1,9 @@
-import type { CustomTextEditorProvider, Disposable, DocumentSymbol, Event, TextDocument, TextDocumentShowOptions, WebviewPanel } from 'vscode'
+import type { CustomTextEditorProvider, Disposable, DocumentSymbol, TextDocument, TextDocumentShowOptions, WebviewPanel } from 'vscode'
 import type { ClaudeImage } from '../../cc/spawnClaude'
 import type { IndexFind } from '../callTree/endpoint'
 import type { CommentEdit, CommentJob, WriteResult } from '../commentRewrite'
 import type { BlockKind, LocalSymbol, RuleLocation, RuleReference, SourceRange } from '../contract'
-import type { DiffBase } from '../diff/diffBase'
+import type { DiffBaseSource } from '../diff/diffBase'
 import type { OldDocument, SentDocument } from '../diff/previewDiff'
 import type { WorkspaceEntries } from '../entries/workspaceEntries'
 import type { DefinitionStart, IndexedName, NameSources } from '../nameResolution'
@@ -49,12 +49,6 @@ export const PREVIEW_VIEW_TYPE = 'superpowers.codeReader.preview'
 /** 连续输入时合并成一次重新解析。 */
 const REFRESH_DELAY_MS = 150
 
-/** 预览对比什么：侧栏开着的筛选定（TreeFilters），换了筛选、基准变了发 onDidChangeDiffBase。 */
-export interface DiffBases {
-  diffBase: (uri: Uri) => DiffBase | undefined
-  onDidChangeDiffBase: Event<void>
-}
-
 /**
  * 「代码阅读预览」自定义编辑器。预览和普通编辑器共用同一个 TextDocument：
  * 块内修改走 WorkspaceEdit，未保存标记、⌘S、⌘Z 都是 VS Code 原生行为。
@@ -81,8 +75,8 @@ export class PreviewEditorProvider implements CustomTextEditorProvider {
     readonly indexedNames: (languageId: string, name: string) => Promise<IndexedName[]>,
     /** 工作区索引里键是 key 的各项（规则查名字的定义时用，见 ruleLookups.ts；接口的调用树查契约和前端请求时用） */
     readonly indexed: IndexFind,
-    /** 预览标差异时对比什么 */
-    readonly diffBases: DiffBases,
+    /** 预览标差异时对比什么：按文件所在的位置定，基准变了发 onDidChange（见 locatedDiffBases） */
+    readonly diffBases: DiffBaseSource,
     /** 哪些文件是项目写明的入口、预览里哪些名字的块标成入口 */
     readonly entries: Pick<WorkspaceEntries, 'namesOf' | 'onDidChange'>,
     /** 在代码阅读侧栏的树上定位一个目录（仓库链接指到目录时）；树上没有它时返回 false */
@@ -245,7 +239,7 @@ class Preview {
       text => logger.add({ level: 'warn', source: 'codeReader', message: `${document.uri.fsPath}：${text}` }),
     )
     this.disposables = [
-      owner.diffBases.onDidChangeDiffBase(() => {
+      owner.diffBases.onDidChange(() => {
         if (this.ready && this.sent)
           void this.diff.update(this.sent)
       }),