{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T13:27:07.326154+00:00","duration_seconds":2.574705,"id":1562198,"input_summary":"chars=266 node=683210","metadata":{"llm_candidates":[{"callsign":"KC4VFO","confidence":0.78},{"callsign":"K8MIB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC4VFO,K8MIB","recording_id":156493,"started_at":"2026-07-10T13:27:04.751449+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153735}