{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T04:37:19.392245+00:00","duration_seconds":1.341153,"id":1522751,"input_summary":"chars=778 node=683211","metadata":{"llm_candidates":[{"callsign":"K7F7A","confidence":0.78},{"callsign":"K7ADV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7F7A,K7ADV","recording_id":153833,"started_at":"2026-07-09T04:37:18.051092+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151267}