{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T16:14:47.968079+00:00","duration_seconds":3.474905,"id":237879,"input_summary":"chars=590 node=683210","metadata":{"llm_candidates":[{"callsign":"K7BGB","confidence":1.0},{"callsign":"W0N","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=K7BGB,W0N","recording_id":105968,"started_at":"2026-06-24T16:14:44.493174+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":105969}