{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T14:35:23.615272+00:00","duration_seconds":0.590715,"id":1660057,"input_summary":"chars=204 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2PKG","confidence":0.78},{"callsign":"KD7WA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KC2PKG,KD7WA","recording_id":163148,"started_at":"2026-07-13T14:35:23.024557+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159860}