✨ feat(vscode): 只有从「未提交的更改」点开的预览才对比上一次提交

vscode/src/codeReader/editor/switchEditor.ts

@@ -51,13 +51,13 @@ function waitForTextEditor(uri: Uri): Promise<TextEditor | undefined> {
   }).finally(() => disposables.forEach(d => d.dispose()))
 }
 
-/** 文本编辑器 → 预览（同一标签页原位替换）：新预览先滚到文本编辑器顶部那一行所在的块。 */
+/** 文本编辑器 → 预览（同一标签页原位替换，算从别处打开的）：新预览先滚到文本编辑器顶部那一行所在的块。 */
 export async function showPreview(previews: PreviewEditorProvider, args: unknown[]): Promise<void> {
   const uri = resourceArg(args) ?? window.activeTextEditor?.document.uri
   const topLine = uri ? textEditorOf(uri)?.visibleRanges[0]?.start.line : undefined
   const reopen = (): Thenable<unknown> => commands.executeCommand(REOPEN_WITH, PREVIEW_VIEW_TYPE, ...args)
-  if (uri && topLine !== undefined)
-    await previews.openAt(uri, { line: topLine }, reopen)
+  if (uri)
+    await previews.open(uri, { from: 'other', ...(topLine !== undefined && { reveal: { line: topLine } }) }, reopen)
   else
     await reopen()
 }