{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T12:13:52.156187+00:00","duration_seconds":1.394805,"id":990806,"input_summary":"chars=1400 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KV7PVW","confidence":0.78},{"callsign":"KV7WA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KV7PVW,KV7WA","recording_id":32041,"started_at":"2026-06-28T12:13:50.761382+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":32042}