patch 7

src/Config/AgentRunnerConfig.php

@@ -116,27 +116,27 @@ final class AgentRunnerConfig
 
     public function getCommerceHistoryBudgetChars(): int
     {
-        return $this->getInt('commerce_history_budget_chars', 1000);
+        return $this->getRequiredInt('commerce_history_budget_chars');
     }
 
     public function getProductSearchKnowledgeChunkLimit(): int
     {
-        return $this->getInt('product_search_knowledge_chunk_limit', 6);
+        return $this->getRequiredInt('product_search_knowledge_chunk_limit');
     }
 
     public function getAdvisoryProductSearchKnowledgeChunkLimit(): int
     {
-        return $this->getInt('advisory_product_search_knowledge_chunk_limit', 9);
+        return $this->getRequiredInt('advisory_product_search_knowledge_chunk_limit');
     }
 
     public function getOptimizedShopQueryPrefixPattern(): string
     {
-        return $this->getString('optimized_shop_query_prefix_pattern', '/^(?:keywords?|suchquery|search\\s*query|query)\\s*:\\s*/iu');
+        return $this->getRequiredString('optimized_shop_query_prefix_pattern');
     }
 
     public function getOptimizedShopQueryTrimCharacters(): string
     {
-        return $this->getString('optimized_shop_query_trim_characters', " \t\n\r\0\x0B\"'`");
+        return $this->getRequiredString('optimized_shop_query_trim_characters');
     }
 
     private function getInt(string $key, int $default): int
@@ -176,6 +176,28 @@ final class AgentRunnerConfig
         return is_string($value) && $value !== '' ? $value : $default;
     }
 
+    private function getRequiredInt(string $key): int
+    {
+        $value = $this->requiredValue($key);
+
+        if (is_numeric($value)) {
+            return (int) $value;
+        }
+
+        throw new \InvalidArgumentException(sprintf('RetrieX agent config key "%s" must be numeric.', $key));
+    }
+
+    private function getRequiredString(string $key): string
+    {
+        $value = $this->requiredValue($key);
+
+        if (is_string($value) && $value !== '') {
+            return $value;
+        }
+
+        throw new \InvalidArgumentException(sprintf('RetrieX agent config key "%s" must be a non-empty string.', $key));
+    }
+
     /**
      * @param string[] $default
      * @return string[]
@@ -220,6 +242,21 @@ final class AgentRunnerConfig
         return $current;
     }
 
+    private function requiredValue(string $key): mixed
+    {
+        $current = $this->config;
+
+        foreach (explode('.', $key) as $segment) {
+            if (!is_array($current) || !array_key_exists($segment, $current)) {
+                throw new \InvalidArgumentException(sprintf('RetrieX agent config key "%s" is required.', $key));
+            }
+
+            $current = $current[$segment];
+        }
+
+        return $current;
+    }
+
     public function getEmptyPromptMessage(): string
     {
         return $this->getString('messages.empty_prompt', '❌ Empty prompt.');