feat: Enhance Support Reply Service with tone instructions and article details

- Added tone instruction retrieval to SupportReplyService.
- Improved user feedback when no relevant article is found.
- Included article URL and tone instruction in LLM prompt.
- Updated response format to include source information.
- Enhanced article management UI with search functionality and editing capabilities.
- Introduced a new API endpoint for nearest articles based on vector search.
- Added confidence badge component to display article confidence levels.
- Implemented tests for article searching, editing, and nearest article API.
- Removed obsolete .htaccess file.

tests/Feature/TicketShowPageTest.php

@@ -19,6 +19,7 @@ class TicketShowPageTest extends TestCase
             'message' => 'vraag',
             'status' => 'completed',
             'best_article_id' => $article->id,
+            'confidence' => 0.9,
             'support_reply' => 'Gebruik deze stappen',
             'result_payload' => [
                 'quick_reply' => ['id' => 1, 'title' => 'DNS Quick'],
@@ -39,5 +40,23 @@ class TicketShowPageTest extends TestCase
         $response->assertOk();
         $response->assertSee('Snelantwoord gebruikt', false);
         $response->assertSee('Toolcalls', false);
+        $response->assertSee('haalt drempel', false);
+    }
+
+    public function test_ticket_show_marks_confidence_below_threshold(): void
+    {
+        $article = Article::query()->create(['title' => 'DNS', 'content' => 'x']);
+        $ticket = Ticket::query()->create([
+            'message' => 'vraag',
+            'status' => 'completed',
+            'best_article_id' => $article->id,
+            'confidence' => 0.25,
+        ]);
+
+        $response = $this->get("/admin/tickets/{$ticket->id}");
+
+        $response->assertOk();
+        $response->assertSee('Confidence 0.25', false);
+        $response->assertSee('onder drempel 0.45', false);
     }
 }