v03.10.00: Bridge release — MokoCassiopeia → MokoOnyx migration

- Minor bump 03.09.34 → 03.10.00
- Bridge migration wired into script.php update() method
- CHANGELOG: full release notes for 03.10.00
- README: rename notice added

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.');
+        $this->logMessage('MokoCassiopeia template updated to v03.10.00 (bridge release).');
 
         // Run CSS variable sync to inject any new variables into user's custom palettes.
         $synced = $this->syncCustomVariables($parent);
@@ -113,6 +113,15 @@ class Tpl_MokocassiopeiaInstallerScript
             );
         }
 
+        // Bridge migration: MokoCassiopeia → MokoOnyx
+        $bridgeScript = __DIR__ . '/helper/bridge.php';
+        if (is_file($bridgeScript)) {
+            require_once $bridgeScript;
+            if (class_exists('MokoBridgeMigration')) {
+                MokoBridgeMigration::run();
+            }
+        }
+
         return true;
     }