{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T01:55:45.552201+00:00","duration_seconds":9.069772,"id":1639479,"input_summary":"chars=234 node=683210","metadata":{"llm_candidates":[{"callsign":"N4LRK","confidence":0.78},{"callsign":"JG7T","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=N4LRK,JG7T","recording_id":161773,"started_at":"2026-07-13T01:55:36.482429+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158568}