🐛 fix(vscode): worktree 清理改 rm -rf + prune，绕开 gitignored 产物导致的目录非空

git worktree remove 只删跟踪文件+admin 注册，不删 .next/node_modules 等 gitignored 产物，删完残留把目录撑住、最后 rmdir 撞 ENOTEMPTY。新增 removeWorktreeDir(带路径护栏的递归强删 + git worktree prune)，替换 3 处 worktree remove 调用点。

vscode/src/panel/handlers/worktree.ts

@@ -4,7 +4,7 @@ import { execFile } from 'node:child_process'
 import { commands, Uri, window, workspace } from 'vscode'
 import { getToken } from '../../auth/secrets'
 import { detectRepo } from '../../git/remote'
-import { expandTilde, resolveWorktreePath } from '../../git/worktree'
+import { expandTilde, removeWorktreeDir, resolveWorktreePath } from '../../git/worktree'
 import {
   runImplTabPostCloseHook,
   runImplTabPreCreateHook,
@@ -59,10 +59,8 @@ export async function handleOpenWorktree(panel: KanbanWebviewPanel, relPath: str
 }
 
 /**
- * Confirm + run `git worktree remove <abs>` (no --force), then clear
- * `worktreePath`/`branch` from the issue's state JSON and refresh the
- * board. If `git` rejects due to uncommitted changes we surface stderr
- * verbatim — the user can resolve manually and re-try.
+ * Confirm + 递归强删 worktree 目录（removeWorktreeDir），然后清掉 state JSON 里的
+ * `worktreePath`/`branch` 并刷新看板。删除失败（如权限、护栏拦截）把错误弹给用户。
  */
 export async function handleDeleteWorktree(panel: KanbanWebviewPanel, issueNumber: number, relPath: string): Promise<void> {
   const workspaceRoot = workspace.workspaceFolders?.[0]?.uri.fsPath
@@ -94,25 +92,11 @@ export async function handleDeleteWorktree(panel: KanbanWebviewPanel, issueNumbe
   })
 
   try {
-    await new Promise<void>((resolve, reject) => {
-      execFile(
-        'git',
-        ['-C', workspaceRoot, 'worktree', 'remove', abs],
-        { timeout: 30_000 },
-        (err, _stdout, stderr) => {
-          if (err) {
-            const detail = (stderr ?? '').trim() || err.message
-            reject(new Error(detail))
-            return
-          }
-          resolve()
-        },
-      )
-    })
+    await removeWorktreeDir(workspaceRoot, abs)
   }
   catch (err) {
     const message = err instanceof Error ? err.message : String(err)
-    void window.showErrorMessage(`git worktree remove 失败: ${message}`)
+    void window.showErrorMessage(`删除 worktree 失败: ${message}`)
     return
   }