{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T15:24:21.009703+00:00","duration_seconds":0.65488,"id":1328484,"input_summary":"chars=319 node=683210","metadata":{"llm_candidates":[{"callsign":"N6CKB","confidence":0.78},{"callsign":"N9MUF","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=N6CKB,N9MUF","recording_id":140371,"started_at":"2026-07-03T15:24:20.354823+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139102}