Add unit and feature tests for ticket processing and article management

- Implement Fake repositories and services for testing purposes.
- Create tests for Article API including creation, validation, and listing.
- Develop ProcessTicketJobFlowTest to validate ticket processing logic.
- Add QuickReplyAdminTest for creating and updating quick replies.
- Implement TicketAndArticleModelTest to ensure proper cascading deletes and credential encryption.
- Create TicketIngestionTest for ticket creation and job dispatching.
- Add TicketShowPageTest to verify rendering of quick replies and tool calls.
- Implement unit tests for ClassifierPromptBuilder, EmbeddingService, LlmJsonDecoder, QuickReplyResolver, SupportReplyService, TicketResultPayloadBuilder, TicketToolCallService, and ToolCallRequestValidator.

tests/Feature/ArticleApiTest.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Article;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class ArticleApiTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_it_creates_article_with_note_and_allowed_actions(): void
+    {
+        $response = $this->postJson('/api/articles', [
+            'title' => 'DNS instellen',
+            'content' => 'Stap 1...',
+            'note' => 'Alleen voor DNS vragen',
+            'allowed_actions' => ['domain_inf'],
+        ]);
+
+        $response->assertStatus(201);
+
+        $article = Article::query()->first();
+        $this->assertNotNull($article);
+        $this->assertSame('Alleen voor DNS vragen', $article->note);
+        $this->assertSame(['domain_inf'], $article->allowed_actions);
+    }
+
+    public function test_it_rejects_invalid_allowed_action(): void
+    {
+        $response = $this->postJson('/api/articles', [
+            'title' => 'DNS instellen',
+            'content' => 'Stap 1...',
+            'allowed_actions' => ['invalid_action'],
+        ]);
+
+        $response->assertStatus(422);
+    }
+
+    public function test_it_lists_articles(): void
+    {
+        Article::query()->create(['title' => 'A', 'content' => 'B']);
+        $response = $this->getJson('/api/articles');
+        $response->assertOk();
+    }
+}