Extend judge detections to support `/api/v1/text/chat` [Detector API](https://foundation-model-stack.github.io/fms-guardrails-orchestrator/?urls.primaryName=Detector+API#/Text/chat_analysis_unary_handler_api_v1_text_chat_post) with the recent [vllm_judge conversation-style evaluations](https://github.com/trustyai-explainability/vllm_judge/pull/8).