Refactor(Auth): Complete auth folder restructuring, security patches, and Flutter endpoint updates

backend/auth/driver/isPhoneVerified.php

@@ -0,0 +1,27 @@
+<?php
+require_once __DIR__ . '/../../../connect.php';
+
+$phoneNumber = filterRequest("phone_number");
+
+// تشفير الرقم قبل البحث
+$phoneNumber_encrypted = $encryptionHelper->encryptData($phoneNumber);
+
+try {
+    // الاستعلام عن السائق حسب رقم الهاتف وحالة التحقق
+    $stmt = $con->prepare("
+        SELECT * FROM phone_verification 
+        WHERE phone_number = ? AND is_verified = 1
+    ");
+    $stmt->execute([$phoneNumber_encrypted]);
+    $driver = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if ($driver) {
+        jsonSuccess(null, "Phone number is verified.");
+    } else {
+        jsonError("Phone number is not verified or does not exist.");
+    }
+
+} catch (PDOException $e) {
+    error_log("[isPhoneVerified] " . $e->getMessage());
+    jsonError("Database error");
+}