{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T11:51:16.419458+00:00","duration_seconds":1.40019,"id":1558391,"input_summary":"chars=641 node=683210","metadata":{"llm_candidates":[{"callsign":"K4GDS","confidence":0.78},{"callsign":"K4HBT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K4GDS,K4HBT","recording_id":156206,"started_at":"2026-07-10T11:51:15.019268+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153465}