{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T15:26:19.933788+00:00","duration_seconds":1.999116,"id":1328530,"input_summary":"chars=246 node=66296","metadata":{"llm_candidates":[{"callsign":"V7VIC","confidence":0.78},{"callsign":"K7IM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=V7VIC,K7IM","recording_id":140372,"started_at":"2026-07-03T15:26:17.934672+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139103}