{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T01:37:57.438699+00:00","duration_seconds":4.291571,"id":176691,"input_summary":"chars=544 node=683210","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"K24","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,K24","recording_id":112343,"started_at":"2026-06-24T01:37:53.147128+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":112344}