{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T14:52:13.561712+00:00","duration_seconds":2.168129,"id":376497,"input_summary":"chars=606 node=683210","metadata":{"llm_candidates":[{"callsign":"W6CWF","confidence":1.0},{"callsign":"K06","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=4 calls=W6CWF,K06","recording_id":122735,"started_at":"2026-06-25T14:52:11.393583+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":122736}