Retry confirmed Studio 2 host cleanup after failures

scripts/studio2-purge.mjs

@@ -1,6 +1,11 @@
 import { resolve, relative, isAbsolute } from 'node:path'
 import { existsSync, realpathSync, statSync, unlinkSync } from 'node:fs'
-import { scopedFile } from '../shared/studio2/contracts.mjs'
+// Keep the host cleanup endpoint independently deployable from the web application.
+function scopedFile(file, prefix) {
+ const path=[file.subfolder,file.filename].map(s=>String(s||'').replaceAll('\\','/')).filter(Boolean).join('/')
+ const p=String(prefix||'').replaceAll('\\','/').replace(/\/$/,'')
+ return !!p && !path.startsWith('/') && !path.split('/').some(s=>s==='..'||s==='.') && path.startsWith(p+'/')
+}
 
 /** Exact Studio 2 files only: no folder fallback, sibling deletion, or sweeping. */
 export function purgeStudio2Files({prefix, files}, rootsForType) {