Preview: Build 2 GB, kein Dev-Rueckfall bei bestehender Preview, oeffentliche Seiten nie automatisch auf Dev

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

test/previewDevRouter.test.js

@@ -148,6 +148,24 @@ test('Dev-Projekt bekommt Runner-Service (auch ohne Ordner), static bleibt nginx
   assert.deepEqual([...pd.devSubdomainsFromHostsFile(content)].sort(), ['devapp', 'devoff'])
 })
 
+test('Oeffentliche Seite mit previewDetected dev geht nur bei explizitem previewMode dev zum Runner', async () => {
+  const { createDocument, deleteDocument } = await import('../server/services/appwriteAdmin.js')
+  await createDocument('websiteProjects', { previewMode: 'auto', subdomain: 'livesite', isPublic: true, previewState: 'sleeping', previewDetected: 'dev:npm' }, 'pub1')
+  await createDocument('websiteProjects', { previewMode: 'dev', subdomain: 'livedev', isPublic: true, previewState: 'sleeping', previewDetected: 'dev:npm' }, 'pub2')
+  try {
+    await pd.syncPreviewTls()
+    await pd.waitForDevRegistration()
+    const content = await read()
+    assert.match(routerBlock(content, 'livedev'), /preview-runner@docker/)
+    assert.ok(!content.includes('preview-livesite-https:') || /preview-nginx@docker/.test(routerBlock(content, 'livesite')))
+    if (content.includes('preview-livesite-https:')) assert.doesNotMatch(routerBlock(content, 'livesite'), /preview-runner/)
+    assert.ok(!pd.devSubdomainsFromHostsFile(content).has('livesite'))
+  } finally {
+    await deleteDocument('websiteProjects', 'pub1'); await deleteDocument('websiteProjects', 'pub2')
+    await pd.syncPreviewTls(); await pd.waitForDevRegistration()
+  }
+})
+
 test('Appwrite nicht erreichbar: Dev-Hosts aus der letzten Datei bleiben', async () => {
   await pd.syncPreviewTls()
   await pd.waitForDevRegistration()