{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T01:21:15.546160+00:00","duration_seconds":0.907557,"id":1310641,"input_summary":"chars=591 node=683210","metadata":{"llm_candidates":[{"callsign":"K0WRU","confidence":0.78},{"callsign":"K04L","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K0WRU,K04L","recording_id":139049,"started_at":"2026-07-03T01:21:14.638603+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137886}