email plugin

public/index.php

@@ -239,6 +239,10 @@ if (str_starts_with($route, '/api/')) {
         return implode(',', array_unique(array_map('strtolower', $matches[1] ?? [])));
     }
 
+    // Plugin route handlers (registered by plugin backend.php files).
+    // Each handler is responsible for calling exit() on a match.
+    PluginManager::instance()->dispatchRoute($route, $method);
+
     // Cards
     if ($route === '/api/cards' && $method === 'POST') {
         $input = json_decode(file_get_contents('php://input'), true);