{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T21:16:14.230417+00:00","duration_seconds":0.748675,"id":1613403,"input_summary":"chars=393 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KV7VA","confidence":0.78},{"callsign":"K7L","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KV7VA,K7L","recording_id":160059,"started_at":"2026-07-11T21:16:13.481742+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156963}