{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T19:44:24.917335+00:00","duration_seconds":0.749951,"id":1838772,"input_summary":"chars=710 node=683211","metadata":{"llm_candidates":[{"callsign":"W4CRQ","confidence":0.78},{"callsign":"K7RJD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=W4CRQ,K7RJD","recording_id":175169,"started_at":"2026-07-18T19:44:24.167384+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170462}