{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T23:28:12.962066+00:00","duration_seconds":1.397896,"id":1815170,"input_summary":"chars=631 node=683211","metadata":{"llm_candidates":[{"callsign":"KJ5JVV","confidence":0.78},{"callsign":"GW8ZEL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ5JVV,GW8ZEL","recording_id":173536,"started_at":"2026-07-17T23:28:11.564170+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169029}