{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T14:16:40.746149+00:00","duration_seconds":2.4401,"id":707874,"input_summary":"chars=751 node=683211","metadata":{"llm_candidates":[{"callsign":"KN4LBS","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KN4LBS,KK7NQN","recording_id":126061,"started_at":"2026-06-27T14:16:38.306049+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":126062}