{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T22:07:39.916305+00:00","duration_seconds":0.749461,"id":1678766,"input_summary":"chars=759 node=683210","metadata":{"llm_candidates":[{"callsign":"K7N","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=K7N","recording_id":164408,"started_at":"2026-07-13T22:07:39.166844+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161023}