{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T15:07:41.081222+00:00","duration_seconds":0.847797,"id":1829895,"input_summary":"chars=573 node=683210","metadata":{"llm_candidates":[{"callsign":"KB6LUV","confidence":0.78},{"callsign":"KE0YJJ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KB6LUV,KE0YJJ","recording_id":174540,"started_at":"2026-07-18T15:07:40.233425+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169893}