add system prompt and chunks index views and edit

src/Controller/Admin/SystemAgentController.php

@@ -0,0 +1,35 @@
+<?php
+// src/Controller/Admin/SystemAgentController.php
+
+declare(strict_types=1);
+
+namespace App\Controller\Admin;
+
+use App\Service\Admin\IndexNdjsonInspector;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+#[IsGranted('ROLE_SUPER_ADMIN')]
+final class SystemAgentController extends AbstractController
+{
+    #[Route('/admin/system/agent', name: 'admin_system_agent', methods: ['GET'])]
+    public function index(Request $request, IndexNdjsonInspector $inspector): Response
+    {
+        $page  = max(1, (int) $request->query->get('page', 1));
+        $limit = max(1, min(200, (int) $request->query->get('limit', 50)));
+
+        $paths = $inspector->getPaths();
+        $meta  = $inspector->readMeta();
+        $ndjsonPage = $inspector->readNdjsonPage($page, $limit);
+
+        return $this->render('admin/system/agent_overview.html.twig', [
+            'paths'      => $paths,
+            'meta'       => $meta,
+            'ndjson'     => $ndjsonPage,
+            'debugCount'=>count($ndjsonPage['items'])
+        ]);
+    }
+}