{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T23:10:40.404215+00:00","duration_seconds":1.142188,"id":1347842,"input_summary":"chars=454 node=683210","metadata":{"llm_candidates":[{"callsign":"KK5N","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=5 calls=KK5N","recording_id":141725,"started_at":"2026-07-03T23:10:39.262027+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":140331}