Updated SQL File to remove dummy data.

update_project.php

@@ -0,0 +1,12 @@
+<?php
+$data = json_decode(file_get_contents('php://input'), true);
+$id = intval($data['id']);
+$name = trim($data['name']);
+
+if ($id && $name) {
+    $pdo = new PDO('sqlite:data.db');
+    $stmt = $pdo->prepare('UPDATE projects SET name = ? WHERE id = ?');
+    echo json_encode(['success' => $stmt->execute([$name, $id])]);
+} else {
+    echo json_encode(['success' => false]);
+}