{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T11:57:21.867979+00:00","duration_seconds":4.047134,"id":507118,"input_summary":"chars=636 node=683211","metadata":{"llm_candidates":[{"callsign":"AB1AI","confidence":1.0},{"callsign":"V3FPX","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=AB1AI,V3FPX","recording_id":123884,"started_at":"2026-06-26T11:57:17.820845+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":123885}