Restrict Studio 2 host cleanup to exact preview paths

scripts/comfy-host-agent.mjs

@@ -1,4 +1,5 @@
 import { createUpscaleHost } from './upscale-host.mjs'
+import { purgeStudio2Files } from './studio2-purge.mjs'
 import { stableMemoryArgs } from './comfy-memory-policy.mjs'
 import { createGpuReservation } from './gpu-reservation.mjs'
 import { createGpuProxy } from './gpu-proxy.mjs'
@@ -989,6 +990,12 @@ async function handleControl(req, res) {
     markWork()
     return streamFile(res, path)
   }
+  if (req.method === 'POST' && url.pathname === '/studio2/purge') {
+    if (!gpuReservation.isOwner(String(req.headers['x-aigen-gpu-lease'] || ''))) return json(res, 409, { ok: false, error: 'GPU lease required' })
+    const body = await readJson(req)
+    try { return json(res, 200, purgeStudio2Files(body, rootsForType)) }
+    catch (error) { return json(res, 400, { ok: false, error: String(error.message || error) }) }
+  }
   if (req.method === 'POST' && url.pathname === '/purge') {
     const body = await readJson(req)
     return json(res, 200, purgeDesktopFiles(body))