{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T16:51:41.182243+00:00","duration_seconds":4.863377,"id":1834238,"input_summary":"chars=148 node=66296","metadata":{"llm_candidates":[{"callsign":"K2CW","confidence":0.78},{"callsign":"WS7Y","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K2CW,WS7Y","recording_id":174849,"started_at":"2026-07-18T16:51:36.318866+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170175}