Export OpenCode Go usage from the console — token breakdown (cache read / reasoning), aggregated by model / API key / plan / date, CSV + Excel export. 导出 OpenCode 控制台 Go 订阅用量统计（token 细分、按模型/API key/plan/日期聚合、CSV/Excel 导出）。⚠ Install only from the official GitHub repo (github.com/Shirolin/opencode-go-usage-export) — modified copies from unknown sources may steal your API keys. 请仅从官方 GitHub 获取，未知来源修改版可能窃取 API Key
