{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T12:58:45.082233+00:00","duration_seconds":4.069787,"id":367127,"input_summary":"chars=704 node=683210","metadata":{"llm_candidates":[{"callsign":"K7DN","confidence":1.0},{"callsign":"KE7K","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=K7DN,KE7K","recording_id":122548,"started_at":"2026-06-25T12:58:41.012446+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":122549}