{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T03:59:18.404796+00:00","duration_seconds":2.858153,"id":308648,"input_summary":"chars=963 node=66296","metadata":{"llm_candidates":[{"callsign":"K7E7","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=4 calls=K7E7","recording_id":3134,"started_at":"2026-06-25T03:59:15.546643+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":3134}