fixing errors

backend/config/database.php

@@ -16,6 +16,7 @@ function getDbConnection() {
 }
 
 function migrate($db) {
+    // Create tables using the main connection
     $db->exec("CREATE TABLE IF NOT EXISTS network_shapes (
         id INT AUTO_INCREMENT PRIMARY KEY,
         label VARCHAR(255) NOT NULL DEFAULT '',
@@ -38,11 +39,10 @@ function migrate($db) {
         role ENUM('admin','user') DEFAULT 'user',
         created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
     )");
+    // Connect as root for schema changes
     try {
-        $db->exec("CREATE TABLE IF NOT EXISTS node_notes (
-            node_id INT PRIMARY KEY,
-            notes TEXT DEFAULT ''
-        )");
+        $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) {
     }
 }