{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T01:58:36.019368+00:00","duration_seconds":2.529968,"id":1639569,"input_summary":"chars=228 node=683210","metadata":{"llm_candidates":[{"callsign":"KN4OJP","confidence":0.78},{"callsign":"AX4MIK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KN4OJP,AX4MIK","recording_id":161782,"started_at":"2026-07-13T01:58:33.489400+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158574}