completed story 1.1 with QA tests and fixes

tests/Unit/Models/PostTest.php

@@ -0,0 +1,49 @@
+<?php
+
+use App\Models\Post;
+
+test('post getTitle returns title in specified locale', function () {
+    $post = Post::factory()->create([
+        'title' => ['ar' => 'عنوان عربي', 'en' => 'English Title'],
+    ]);
+
+    expect($post->getTitle('ar'))->toBe('عنوان عربي')
+        ->and($post->getTitle('en'))->toBe('English Title');
+});
+
+test('post getTitle falls back to Arabic when locale missing', function () {
+    $post = Post::factory()->create([
+        'title' => ['ar' => 'عنوان عربي'],
+    ]);
+
+    expect($post->getTitle('en'))->toBe('عنوان عربي');
+});
+
+test('post getTitle uses current locale by default', function () {
+    $post = Post::factory()->create([
+        'title' => ['ar' => 'عنوان عربي', 'en' => 'English Title'],
+    ]);
+
+    app()->setLocale('en');
+    expect($post->getTitle())->toBe('English Title');
+
+    app()->setLocale('ar');
+    expect($post->getTitle())->toBe('عنوان عربي');
+});
+
+test('post getBody returns body in specified locale', function () {
+    $post = Post::factory()->create([
+        'body' => ['ar' => 'محتوى عربي', 'en' => 'English Content'],
+    ]);
+
+    expect($post->getBody('ar'))->toBe('محتوى عربي')
+        ->and($post->getBody('en'))->toBe('English Content');
+});
+
+test('post getBody falls back to Arabic when locale missing', function () {
+    $post = Post::factory()->create([
+        'body' => ['ar' => 'محتوى عربي'],
+    ]);
+
+    expect($post->getBody('en'))->toBe('محتوى عربي');
+});