{"status":"healthy","service":"agent-langchain","framework":"LangChain (LCEL + AgentExecutor)","api_first":true,"langfuse_observability":"http://langfuse:3000","llm_gateway":"http://litellm:4000","tools_registered":["duckdb_parquet_query","clickhouse_telematics_metrics","qdrant_semantic_search","erpnext_part_lookup","twenty_crm_account_fetch"]}