{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T12:26:24.358805+00:00","duration_seconds":1.155902,"id":1288169,"input_summary":"chars=527 node=683210","metadata":{"llm_candidates":[{"callsign":"KD4WHO","confidence":0.78},{"callsign":"N7FGP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KD4WHO,N7FGP","recording_id":137330,"started_at":"2026-07-02T12:26:23.202903+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136363}