{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T18:03:07.421739+00:00","duration_seconds":0.766733,"id":1335520,"input_summary":"chars=357 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AG7WT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AG7WT","recording_id":140914,"started_at":"2026-07-03T18:03:06.655006+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139569}