{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T16:56:49.211837+00:00","duration_seconds":2.276273,"id":1401722,"input_summary":"chars=905 node=683210","metadata":{"llm_candidates":[{"callsign":"K6WQU","confidence":0.78},{"callsign":"AI6JB","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K6WQU,AI6JB","recording_id":145408,"started_at":"2026-07-05T16:56:46.935564+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":143699}