fix: deploy-server.sh migrates posterg.db → xamxam.db and cleans legacy nginx configs

TODO.md

@@ -50,6 +50,8 @@
 - [x] Replace all remaining "Post-ERG" branding with "XAMXAM" (scripts, PHP source, schema, docs)
 - [x] `deploy-server.sh`: remove legacy `sites-enabled/posterg` symlink to fix duplicate `limit_req_zone` nginx error
 - [x] `deploy-server.sh`: auto-migrate `.htpasswd-posterg` → `.htpasswd-xamxam` if new file absent
+- [x] `deploy-server.sh`: auto-migrate `posterg.db` → `xamxam.db` if new DB missing/empty; remove legacy file
+- [x] `deploy-server.sh`: clean up legacy posterg nginx configs and prune old backups
 - [x] Rename local `storage/posterg.db` → `storage/xamxam.db`
 
 ## LDAP auth migration (pending client access)

scripts/deploy-server.sh

@@ -42,6 +42,16 @@ if [ -d "/var/www/xamxam/storage" ]; then
     ok "Storage: 2775, databases: 660"
 fi
 
+# Migrate posterg.db → xamxam.db if the new name is missing or empty
+if [ -f "/var/www/xamxam/storage/posterg.db" ]; then
+    if [ ! -s "/var/www/xamxam/storage/xamxam.db" ]; then
+        cp /var/www/xamxam/storage/posterg.db /var/www/xamxam/storage/xamxam.db
+        ok "Migrated posterg.db → xamxam.db"
+    fi
+    rm /var/www/xamxam/storage/posterg.db
+    ok "Removed legacy posterg.db"
+fi
+
 # Ensure writable cache subdirectories exist for php-fpm (www-data)
 mkdir -p /var/www/xamxam/storage/cache/rate_limit
 chown -R www-data:xamxam /var/www/xamxam/storage/cache