{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T19:43:40.240944+00:00","duration_seconds":0.474258,"id":1838693,"input_summary":"chars=594 node=683211","metadata":{"llm_candidates":[{"callsign":"K7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K7ADV","recording_id":175157,"started_at":"2026-07-18T19:43:39.766686+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170450}