{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T04:29:18.302705+00:00","duration_seconds":3.7063,"id":311769,"input_summary":"chars=270 node=683210","metadata":{"llm_candidates":[{"callsign":"KG4CDK","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=4 calls=KG4CDK,KK7NQN","recording_id":2834,"started_at":"2026-06-25T04:29:14.596405+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":2834}