{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T18:53:47.655873+00:00","duration_seconds":3.780857,"id":539259,"input_summary":"chars=849 node=683211","metadata":{"llm_candidates":[{"callsign":"K7VZV","confidence":1.0},{"callsign":"K7NQN","confidence":1.0},{"callsign":"K7LTM","confidence":1.0}]},"output_summary":"ai_candidates=3 merged=6 calls=K7VZV,K7NQN,K7LTM","recording_id":124727,"started_at":"2026-06-26T18:53:43.875016+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":124728}