{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T01:49:57.277244+00:00","duration_seconds":0.593642,"id":1487531,"input_summary":"chars=494 node=683210","metadata":{"llm_candidates":[{"callsign":"K5SS","confidence":0.78},{"callsign":"K4C","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K5SS,K4C","recording_id":151416,"started_at":"2026-07-08T01:49:56.683602+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149105}