{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T01:02:59.407232+00:00","duration_seconds":1.364669,"id":891785,"input_summary":"chars=233 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ7EXM","confidence":0.78},{"callsign":"KI7R","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ7EXM,KI7R","recording_id":37058,"started_at":"2026-06-28T01:02:58.042563+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":37059}