p66

src/Config/AgentRunnerConfig.php

@@ -386,6 +386,15 @@ final class AgentRunnerConfig
         return $this->getRequiredString($legacyKey);
     }
 
+    private function getChatOnlyRequiredString(string $chatKey): string
+    {
+        if ($this->chatMessages === null) {
+            throw new \InvalidArgumentException(sprintf('RetrieX chat messages config key "%s" is required.', $chatKey));
+        }
+
+        return $this->chatMessages->getString($chatKey);
+    }
+
     private function getChatStringAllowEmpty(string $chatKey, string $legacyKey): string
     {
         if ($this->chatMessages !== null) {
@@ -1045,6 +1054,16 @@ final class AgentRunnerConfig
         return $this->getChatRequiredString('agent.messages.debug_internal_error_prefix', 'messages.debug_internal_error_prefix');
     }
 
+    public function getTechnicalErrorDetailTemplate(): string
+    {
+        return $this->getChatOnlyRequiredString('agent.messages.technical_error_detail_template');
+    }
+
+    public function getHistoryResponseSystemNoticeTemplate(): string
+    {
+        return $this->getChatOnlyRequiredString('agent.production_ui.templates.history_response_system_notice');
+    }
+
     public function getExternalUrlSourceLabel(): string
     {
         return $this->getChatRequiredString('agent.source_labels.external_url', 'source_labels.external_url');