{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T22:21:47.209907+00:00","duration_seconds":0.746158,"id":1841913,"input_summary":"chars=14 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KJ7LAE","confidence":0.78},{"callsign":"K7CDE","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ7LAE,K7CDE","recording_id":175362,"started_at":"2026-07-18T22:21:46.463749+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170621}