{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T19:16:13.143226+00:00","duration_seconds":2.176719,"id":252964,"input_summary":"chars=588 node=683211","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"KE6K","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,KE6K","recording_id":121883,"started_at":"2026-06-24T19:16:10.966507+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":121882}