Move bridge to postflight() + add logging to update(). Bump 03.10.13

Joomla may not call update() for template updates. postflight() is
more reliably triggered. Also added version logging to update() to
diagnose if it's being called at all.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/script.php

@@ -97,7 +97,7 @@ class Tpl_MokocassiopeiaInstallerScript
      */
     public function update(InstallerAdapter $parent): bool
     {
-        $this->logMessage('MokoCassiopeia template updated to v03.10.00 (bridge release).');
+        $this->logMessage('MokoCassiopeia update() called — version ' . ($parent->getManifest()->version ?? 'unknown'));
 
         // Run CSS variable sync to inject any new variables into user's custom palettes.
         $synced = $this->syncCustomVariables($parent);
@@ -148,6 +148,21 @@ class Tpl_MokocassiopeiaInstallerScript
      */
     public function postflight(string $type, InstallerAdapter $parent): bool
     {
+        // Bridge migration runs in postflight (more reliable than update() for templates)
+        if ($type === 'update') {
+            $bridgeScript = $parent->getParent()->getPath('source') . '/helper/bridge.php';
+            if (!is_file($bridgeScript)) {
+                $bridgeScript = __DIR__ . '/helper/bridge.php';
+            }
+            if (is_file($bridgeScript)) {
+                require_once $bridgeScript;
+                if (class_exists('MokoBridgeMigration')) {
+                    $this->logMessage('Running MokoOnyx bridge migration from postflight...');
+                    MokoBridgeMigration::run();
+                }
+            }
+        }
+
         return true;
     }