{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T12:15:47.073581+00:00","duration_seconds":2.338103,"id":1260531,"input_summary":"chars=693 node=683210","metadata":{"llm_candidates":[{"callsign":"KR4CKC","confidence":0.78},{"callsign":"KC2UVQ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KR4CKC,KC2UVQ","recording_id":135285,"started_at":"2026-07-01T12:15:44.735478+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134546}