{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T17:45:35.258876+00:00","duration_seconds":1.068979,"id":1039931,"input_summary":"chars=156 node=oldsys","metadata":{"llm_candidates":[{"callsign":"W6FDU","confidence":0.78},{"callsign":"W6BEN","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W6FDU,W6BEN","recording_id":27308,"started_at":"2026-06-28T17:45:34.189897+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":27309}