{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T11:38:39.272761+00:00","duration_seconds":2.30936,"id":1653005,"input_summary":"chars=508 node=683210","metadata":{"llm_candidates":[{"callsign":"K9TVD","confidence":0.78},{"callsign":"K4HBT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K9TVD,K4HBT","recording_id":162622,"started_at":"2026-07-13T11:38:36.963401+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159376}