Fix Login: Appwrite-Session ohne secret auf dem Server

session.secret wird ohne API-Key nicht zurückgegeben. Login nutzt
daher session.userId und die Admin Users API statt account.get().

Co-authored-by: Cursor <cursoragent@cursor.com>

server/routes/auth.js

@@ -59,23 +59,6 @@ async function validatePortalAccess(appwriteUserId) {
   return { customer, portalAccess }
 }
 
-const DEBUG_LOG = (location, message, data, hypothesisId) => {
-  // #region agent log
-  fetch('http://127.0.0.1:7281/ingest/30e8e71c-b377-4e72-84f9-593826c6d234', {
-    method: 'POST',
-    headers: { 'Content-Type': 'application/json', 'X-Debug-Session-Id': '80bbfc' },
-    body: JSON.stringify({
-      sessionId: '80bbfc',
-      location,
-      message,
-      data,
-      hypothesisId,
-      timestamp: Date.now(),
-    }),
-  }).catch(() => {})
-  // #endregion
-}
-
 router.post('/login', async (req, res) => {
   const { email, password } = req.body || {}
   if (!email || !password) {
@@ -84,12 +67,7 @@ router.post('/login', async (req, res) => {
 
   try {
     const user = await loginWithAppwrite(email.trim(), password)
-    DEBUG_LOG('auth.js:login', 'appwrite user ok', { userId: user.$id }, 'H3')
     const { customer, portalAccess } = await validatePortalAccess(user.$id)
-    DEBUG_LOG('auth.js:login', 'portal validation ok', {
-      customerId: customer.$id,
-      portalAccessEnabled: Boolean(customer.portalAccessEnabled),
-    }, 'H4')
 
     setPortalSession(res, {
       customerId: customer.$id,
@@ -109,10 +87,6 @@ router.post('/login', async (req, res) => {
     return res.json({ success: true, customer: sanitizeCustomer(customer) })
   } catch (err) {
     const status = err.status || 500
-    DEBUG_LOG('auth.js:login', 'login failed', {
-      status,
-      message: err?.message?.slice(0, 120),
-    }, status === 403 ? 'H4' : status === 401 ? 'H1' : 'H5')
     return res.status(status).json({ error: err.message || 'Anmeldung fehlgeschlagen' })
   }
 })