file-converter-development

Development guide for @rytass/file-converter base package (檔案轉換器開發指南). Use when creating new file converter adapters (新增檔案轉換 adapter), understanding converter interfaces, or building image processing pipelines. Covers Converter interface, ConverterManager, and Sharp integration patterns. Keywords: file converter, 檔案轉換, 圖片處理, image processing, Sharp, resize, watermark, transcode