fix: remove Post-ERG branding → XAMXAM; drop legacy posterg nginx symlink in deploy script; rename posterg.db → xamxam.db

app/src/Database.php

@@ -1,7 +1,7 @@
 <?php
 
 /**
- * Unified Database connection class for Post-ERG thesis database
+ * Unified Database connection class for XAMXAM thesis database
  * Combines functionality from both front-backend and formulaire
  * Supports both singleton (front-backend) and direct instantiation (formulaire)
  */

app/src/SmtpRelay.php

@@ -34,7 +34,7 @@ class SmtpRelay {
             'username'   => '',
             'password'   => '',
             'from_email' => '',
-            'from_name'  => 'Post-ERG',
+            'from_name'  => 'XAMXAM',
         ];
     }