{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T03:01:03.605873+00:00","duration_seconds":1.536788,"id":301441,"input_summary":"chars=732 node=683210","metadata":{"llm_candidates":[{"callsign":"K6RKX","confidence":1.0},{"callsign":"D72","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=K6RKX,D72","recording_id":106522,"started_at":"2026-06-25T03:01:02.069085+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":106523}