{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T19:52:49.518070+00:00","duration_seconds":3.417171,"id":544347,"input_summary":"chars=634 node=66296","metadata":{"llm_candidates":[{"callsign":"K708","confidence":1.0},{"callsign":"W708","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=K708,W708","recording_id":124836,"started_at":"2026-06-26T19:52:46.100899+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":124837}