{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T23:02:49.391212+00:00","duration_seconds":1.08284,"id":1086028,"input_summary":"chars=228 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7ADV","confidence":0.78},{"callsign":"K1K","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K7ADV,K1K","recording_id":16438,"started_at":"2026-06-28T23:02:48.308372+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":16439}