feat: align JS exports to PascalCase (by AI)

CHANGELOG.md

@@ -1,5 +1,8 @@
 # CHANGELOG
 
+## v1.5.1 (2026-06-08)
+- **JS 对齐**: 将所有注册到 `jsmod` 的导出方法名统一为 PascalCase（如 `ToJSON`, `FromJSON`, `Now`），以消除 JS 与 Go 调用体感上的摩擦。
+
 ## [v1.2.9] - 2026-05-09
 ### Changed
 - **移除第三方依赖**: 移除了对 `jsontag` 模块的依赖，统一使用标准库及自有基础设施对齐，增强了模块的独立性与长期稳定性。

js_export.go

@@ -7,25 +7,25 @@ import (
 func init() {
 	jsmod.Register("cast", map[string]any{
 		// JSON
-		"toJSON":     ToJSON,
+		"ToJSON":     ToJSON,
-		"prettyJSON": PrettyToJSON,
+		"PrettyToJSON": PrettyToJSON,
-		"fromJSON": func(data any) (any, error) {
+		"FromJSON": func(data any) (any, error) {
 			var res any
 			err := UnmarshalJSON(data, &res)
 			return res, err
 		},
 
 		// Time
-		"now":              Now,
+		"Now":              Now,
-		"parseTime":        ParseTime,
+		"ParseTime":        ParseTime,
-		"formatTime":       FormatTime,
+		"FormatTime":       FormatTime,
-		"addTime":          AddTime,
+		"AddTime":          AddTime,
-		"duration":         Duration,
+		"Duration":         Duration,
-		"describeDuration": DescribeDuration,
+		"DescribeDuration": DescribeDuration,
 
 		// Logic
-		"split":     Split,
+		"Split":     Split,
-		"splitArgs": SplitArgs,
+		"SplitArgs": SplitArgs,
-		"joinArgs":  JoinArgs,
+		"JoinArgs":  JoinArgs,
 	})
 }