{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T15:53:12.303086+00:00","duration_seconds":0.921615,"id":1329525,"input_summary":"chars=733 node=683210","metadata":{"llm_candidates":[{"callsign":"K6DCL","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K6DCL","recording_id":140462,"started_at":"2026-07-03T15:53:11.381471+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":139181}