{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T03:35:13.409659+00:00","duration_seconds":0.785961,"id":1388943,"input_summary":"chars=58 node=683211","metadata":{"llm_candidates":[{"callsign":"K5KIM","confidence":0.78},{"callsign":"K7ROL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K5KIM,K7ROL","recording_id":144576,"started_at":"2026-07-05T03:35:12.623698+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142910}