{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T17:32:07.849823+00:00","duration_seconds":4.607218,"id":1333958,"input_summary":"chars=838 node=683210","metadata":{"llm_candidates":[{"callsign":"W6HID","confidence":0.78},{"callsign":"K4LG","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=W6HID,K4LG","recording_id":140795,"started_at":"2026-07-03T17:32:03.242605+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139456}