{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T01:59:38.601332+00:00","duration_seconds":3.200994,"id":294015,"input_summary":"chars=721 node=683210","metadata":{"llm_candidates":[{"callsign":"KC4ZYC","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KC4ZYC,KK7NQN","recording_id":100440,"started_at":"2026-06-25T01:59:35.400338+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":100441}