{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T18:39:53.390538+00:00","duration_seconds":0.478219,"id":1405878,"input_summary":"chars=611 node=683211","metadata":{"llm_candidates":[{"callsign":"K3SCA","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K3SCA","recording_id":145734,"started_at":"2026-07-05T18:39:52.912319+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":144005}