{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T02:20:16.014807+00:00","duration_seconds":0.904484,"id":1312746,"input_summary":"chars=159 node=683210","metadata":{"llm_candidates":[{"callsign":"KC4CUP","confidence":0.78},{"callsign":"KC8FQV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KC4CUP,KC8FQV","recording_id":139211,"started_at":"2026-07-03T02:20:15.110323+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":138043}