{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T00:28:59.620861+00:00","duration_seconds":2.123503,"id":1817607,"input_summary":"chars=798 node=683210","metadata":{"llm_candidates":[{"callsign":"KF8FSQ","confidence":0.78},{"callsign":"KJ5S0X","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF8FSQ,KJ5S0X","recording_id":173707,"started_at":"2026-07-18T00:28:57.497358+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169180}