{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T18:32:27.629358+00:00","duration_seconds":2.367914,"id":1372914,"input_summary":"chars=753 node=683210","metadata":{"llm_candidates":[{"callsign":"W5TER","confidence":0.78},{"callsign":"N8EX","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=W5TER,N8EX","recording_id":143533,"started_at":"2026-07-04T18:32:25.261444+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":141929}