{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T00:01:15.590806+00:00","duration_seconds":4.895623,"id":279345,"input_summary":"chars=170 node=683210","metadata":{"llm_candidates":[{"callsign":"KY4VC","confidence":1.0},{"callsign":"K7YV","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KY4VC,K7YV","recording_id":102117,"started_at":"2026-06-25T00:01:10.695183+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":102113}