{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T01:25:52.890571+00:00","duration_seconds":1.547279,"id":289884,"input_summary":"chars=652 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2BKG","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KC2BKG","recording_id":107914,"started_at":"2026-06-25T01:25:51.343292+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":107915}