{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T15:58:24.988204+00:00","duration_seconds":2.386476,"id":1567875,"input_summary":"chars=551 node=683210","metadata":{"llm_candidates":[{"callsign":"L6NH","confidence":0.78},{"callsign":"C4FM","confidence":0.78},{"callsign":"K60C","confidence":0.78}]},"output_summary":"ai_candidates=3 merged=4 calls=L6NH,C4FM,K60C","recording_id":156926,"started_at":"2026-07-10T15:58:22.601728+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154101}