{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T18:19:19.419750+00:00","duration_seconds":1.922004,"id":392795,"input_summary":"chars=412 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"W7HKK","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7NQN,W7HKK","recording_id":123190,"started_at":"2026-06-25T18:19:17.497746+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":123189}