feat: Website-Projekte bearbeiten (Name/Subdomain/Typ) + Archivierung

- updateWebsiteProject: synct Name/Subdomain/Typ nach Gitea (.webklar-preview.json,
  Repo-Beschreibung), Preview-Deploy (Redeploy+Teardown+TLS) und Appwrite
- Projekt-Typen: preview (Login), website (oeffentlich ohne Login), project (kein Hosting)
- syncPreviewTls erzeugt fuer isPublic-Projekte Router ohne preview-auth
- archiveRepo: Gitea archived + Appwrite-Flag + Preview-Teardown; Reaktivieren redeployt
- syncReposToAppwrite uebernimmt repo.archived
- Routen: PATCH /:id, POST /:id/archive, POST /:id/unarchive

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

server/routes/admin/websiteProjects.js

@@ -1,5 +1,9 @@
 import { Router } from 'express'
-import { createProjectFromTemplate } from '../../services/giteaAdmin.js'
+import {
+  createProjectFromTemplate,
+  updateWebsiteProject,
+  archiveRepo,
+} from '../../services/giteaAdmin.js'
 import { requireAppwriteStaff } from '../../middleware/appwriteStaff.js'
 
 const router = Router()
@@ -29,4 +33,38 @@ router.post('/create-from-template', async (req, res) => {
   }
 })
 
+// Projekt bearbeiten: Name / Subdomain / Typ -> synchronisiert Git + Preview + Appwrite
+router.patch('/:id', async (req, res) => {
+  const { projectName, subdomain, projectType } = req.body || {}
+  try {
+    const result = await updateWebsiteProject(req.params.id, { projectName, subdomain, projectType })
+    return res.json({ ok: true, ...result })
+  } catch (err) {
+    const status = err.status || 500
+    return res.status(status).json({ error: err.message || 'Projekt konnte nicht aktualisiert werden' })
+  }
+})
+
+// Repository archivieren
+router.post('/:id/archive', async (req, res) => {
+  try {
+    const result = await archiveRepo(req.params.id, true)
+    return res.json({ ok: true, ...result })
+  } catch (err) {
+    const status = err.status || 500
+    return res.status(status).json({ error: err.message || 'Projekt konnte nicht archiviert werden' })
+  }
+})
+
+// Repository reaktivieren
+router.post('/:id/unarchive', async (req, res) => {
+  try {
+    const result = await archiveRepo(req.params.id, false)
+    return res.json({ ok: true, ...result })
+  } catch (err) {
+    const status = err.status || 500
+    return res.status(status).json({ error: err.message || 'Projekt konnte nicht reaktiviert werden' })
+  }
+})
+
 export default router