{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T11:00:13.005970+00:00","duration_seconds":3.766012,"id":501021,"input_summary":"chars=989 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7CQD","confidence":1.0},{"callsign":"K7CG","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=K7CQD,K7CG","recording_id":83153,"started_at":"2026-06-26T11:00:09.239958+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":83154}