{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T11:46:53.190002+00:00","duration_seconds":2.085716,"id":1525029,"input_summary":"chars=556 node=683210","metadata":{"llm_candidates":[{"callsign":"N2VOK","confidence":0.78},{"callsign":"W5KAL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=N2VOK,W5KAL","recording_id":153963,"started_at":"2026-07-09T11:46:51.104286+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151391}