{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T11:37:09.742683+00:00","duration_seconds":1.470135,"id":1496714,"input_summary":"chars=533 node=683210","metadata":{"llm_candidates":[{"callsign":"KJ5MEL","confidence":0.78},{"callsign":"KJ4GOQ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ5MEL,KJ4GOQ","recording_id":152024,"started_at":"2026-07-08T11:37:08.272548+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149648}