chore: aktuellen Live-Stand sichern (Admin-API, Services, Auth-Erweiterungen)

Sichert den bisher uncommitteten Produktionsstand des Kundenbereich-Servers,
damit kuenftige Deploys (git reset --hard) nichts mehr verwerfen.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

server/routes/admin/websiteProjects.js

@@ -0,0 +1,32 @@
+import { Router } from 'express'
+import { createProjectFromTemplate } from '../../services/giteaAdmin.js'
+import { requireAppwriteStaff } from '../../middleware/appwriteStaff.js'
+
+const router = Router()
+
+router.use(requireAppwriteStaff)
+
+router.post('/create-from-template', async (req, res) => {
+  const { repoName, displayName, subdomain, customerId = '', ticketId = '', owner } = req.body || {}
+
+  if (!repoName || !subdomain) {
+    return res.status(400).json({ error: 'repoName und subdomain sind erforderlich' })
+  }
+
+  try {
+    const result = await createProjectFromTemplate({
+      repoName,
+      displayName,
+      subdomain,
+      customerId,
+      ticketId,
+      owner,
+    })
+    return res.status(201).json({ ok: true, ...result })
+  } catch (err) {
+    const status = err.status || 500
+    return res.status(status).json({ error: err.message || 'Projekt konnte nicht angelegt werden' })
+  }
+})
+
+export default router