{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T20:17:28.900110+00:00","duration_seconds":1.711622,"id":845309,"input_summary":"chars=600 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"KM7FDO","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,KM7FDO","recording_id":127213,"started_at":"2026-06-27T20:17:27.188488+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":127207}