{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T18:37:46.701175+00:00","duration_seconds":1.405058,"id":1836776,"input_summary":"chars=622 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7YFE","confidence":0.78},{"callsign":"KK7HLD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7YFE,KK7HLD","recording_id":175024,"started_at":"2026-07-18T18:37:45.296117+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170329}