fixing migration

backend/config/database.php

@@ -16,7 +16,6 @@ function getDbConnection() {
 }
 
 function migrate($db) {
-    // Create tables using the main connection
     $db->exec("CREATE TABLE IF NOT EXISTS network_shapes (
         id INT AUTO_INCREMENT PRIMARY KEY,
         label VARCHAR(255) NOT NULL DEFAULT '',
@@ -39,10 +38,6 @@ function migrate($db) {
         role ENUM('admin','user') DEFAULT 'user',
         created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
     )");
-    // Connect as root for schema changes
-    try {
-        $root = new PDO("mysql:host=" . (getenv('DB_HOST') ?: 'mysql') . ";dbname=" . (getenv('DB_NAME') ?: 'neptune') . ";charset=utf8mb4", 'root', getenv('MYSQL_ROOT_PASSWORD') ?: 'neptune_root_pass');
-        $root->exec("CREATE TABLE IF NOT EXISTS node_notes (node_id INT PRIMARY KEY, notes TEXT DEFAULT '')");
-    } catch (Exception $e) {
+    $db->exec("CREATE TABLE IF NOT EXISTS node_notes (node_id INT PRIMARY KEY, notes TEXT DEFAULT '')");
 }
 }