add system prompt and chunks index views and edit

src/Agent/PromptBuilder.php

@@ -5,14 +5,14 @@ declare(strict_types=1);
 namespace App\Agent;
 
 use App\Context\ContextService;
-use App\Context\UrlAnalyzer;
+use App\Repository\SystemPromptRepository;
 use DateTimeImmutable;
 
-final class PromptBuilder
+final readonly class PromptBuilder
 {
     public function __construct(
-        private readonly ContextService $contextService,
-        private readonly UrlAnalyzer    $urlAnalyzer,
+        private ContextService         $contextService,
+        private SystemPromptRepository $systemPromptRepository,
     )
     {
     }
@@ -25,6 +25,7 @@ final class PromptBuilder
      * @param string $urlContent
      * @param string[] $knowledgeChunks
      * @param bool $fullContext
+     * @return string
      */
     public function build(
         string $prompt,
@@ -39,7 +40,8 @@ final class PromptBuilder
         // ------------------------------------------------------------
         // 1) SYSTEM INSTRUCTIONS
         // ------------------------------------------------------------
-        $systemLines = [
+       //ToDO: remove old systemLines
+        /*$systemLines = [
             'You are a conversational AI assistant.',
             'Respond clearly, precisely, and in context of the ongoing conversation.',
             'The conversation context is authoritative and must be respected.',
@@ -66,7 +68,15 @@ final class PromptBuilder
             '- Answer directly and confidently using always correct canonical terminology.'
         ];
 
-        $systemBlock = "SYSTEM:\n" . implode("\n", $systemLines);
+        $systemBlock = "SYSTEM:\n" . implode("\n", $systemLines);*/
+
+        $activePrompt = $this->systemPromptRepository->findActive();
+
+        if (!$activePrompt) {
+            throw new \RuntimeException('No active system prompt configured.');
+        }
+
+        $systemBlock = "SYSTEM:\n" . $activePrompt->getContent();
 
         // ------------------------------------------------------------
         // 2) CONVERSATION CONTEXT (AUTHORITATIVE)