{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-26T15:35:02.852088+00:00","duration_seconds":2.444741,"id":2874200,"input_summary":"chars=635 node=66296","metadata":{"llm_candidates":[{"callsign":"K7PJC","confidence":0.78},{"callsign":"K7PR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7PJC,K7PR","recording_id":271160,"started_at":"2026-08-26T15:35:00.407347+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":256613}