{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T13:51:51.675657+00:00","duration_seconds":3.609268,"id":515238,"input_summary":"chars=1679 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KV0WMA","confidence":1.0},{"callsign":"KB0WMA","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KV0WMA,KB0WMA","recording_id":81905,"started_at":"2026-06-26T13:51:48.066389+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":81906}