{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T22:36:57.794062+00:00","duration_seconds":1.383597,"id":1346388,"input_summary":"chars=718 node=683211","metadata":{"llm_candidates":[{"callsign":"KY4MB","confidence":0.78},{"callsign":"GW8S","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KY4MB,GW8S","recording_id":141626,"started_at":"2026-07-03T22:36:56.410465+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":140237}