{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T17:36:54.391312+00:00","duration_seconds":0.748693,"id":1403566,"input_summary":"chars=547 node=683211","metadata":{"llm_candidates":[{"callsign":"VA5AB","confidence":0.78},{"callsign":"V3BZ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=VA5AB,V3BZ","recording_id":145540,"started_at":"2026-07-05T17:36:53.642619+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":143830}