{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T00:42:51.277985+00:00","duration_seconds":0.52453,"id":1615223,"input_summary":"chars=22 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"W7HB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W7HB","recording_id":160158,"started_at":"2026-07-12T00:42:50.753455+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157038}