first update to external config values

src/Config/AgentRunnerConfig.php

@@ -6,24 +6,32 @@ namespace App\Config;
 
 final class AgentRunnerConfig
 {
+    /**
+     * @param array<string, mixed> $config
+     */
+    public function __construct(
+        private readonly array $config = [],
+    ) {
+    }
+
     public function getCommerceHistoryBudgetChars(): int
     {
-        return 1000;
+        return $this->getInt('commerce_history_budget_chars', 1000);
     }
 
     public function getProductSearchKnowledgeChunkLimit(): int
     {
-        return 6;
+        return $this->getInt('product_search_knowledge_chunk_limit', 6);
     }
 
     public function getAdvisoryProductSearchKnowledgeChunkLimit(): int
     {
-        return 9;
+        return $this->getInt('advisory_product_search_knowledge_chunk_limit', 9);
     }
 
     public function getOptimizedShopQueryPrefixPattern(): string
     {
-        return '/^(?:keywords?|suchquery|search\s*query|query)\s*:\s*/iu';
+        return $this->getString('optimized_shop_query_prefix_pattern', '/^(?:keywords?|suchquery|search\\s*query|query)\\s*:\\s*/iu');
     }
 
     public function getOptimizedShopQueryTrimCharacters(): string
@@ -31,6 +39,20 @@ final class AgentRunnerConfig
         return " \t\n\r\0\x0B\"'`";
     }
 
+    private function getInt(string $key, int $default): int
+    {
+        $value = $this->config[$key] ?? $default;
+
+        return is_numeric($value) ? (int) $value : $default;
+    }
+
+    private function getString(string $key, string $default): string
+    {
+        $value = $this->config[$key] ?? $default;
+
+        return is_string($value) && $value !== '' ? $value : $default;
+    }
+
     public function getEmptyPromptMessage(): string
     {
         return '❌ Empty prompt.';