{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T19:10:20.476982+00:00","duration_seconds":1.423628,"id":1303076,"input_summary":"chars=525 node=683210","metadata":{"llm_candidates":[{"callsign":"KV3JRB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KV3JRB","recording_id":138512,"started_at":"2026-07-02T19:10:19.053354+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137376}