chore: standardize project comments in English

web/embed_dev.go

@@ -9,16 +9,16 @@ import (
 	"regexp"
 )
 
-// Dist 在开发模式下直接读取磁盘上的 web/dist（未构建时为空，页面由 Vite 开发服务器提供），
-// 因此无需先构建前端即可 go run
+// Dist reads web/dist from disk in development (empty before building; Vite serves pages),
+// so go run does not require a frontend build first.
 func Dist() fs.FS {
 	return os.DirFS("web/dist")
 }
 
-// 开发环境由 Vite 提供页面，不依赖 web/dist 中可能过期的构建产物。
+// Vite serves development pages without relying on potentially stale web/dist output.
 func BuildVersion() (string, error) { return "dev", nil }
 
-// FontStorage 按 Vite 构建使用的 fonts.css 统计可选字体，不包含 Maple 与 KaTeX。
+// FontStorage counts optional fonts from fonts.css as used by Vite, excluding Maple and KaTeX.
 func FontStorage() (int64, error) {
 	root := filepath.Join("web", "src", "common", "appearance")
 	css, err := os.ReadFile(filepath.Join(root, "fonts.css"))