🎨 style(go): format entire codebase

- Apply canonical Go formatting to all .go files
- No functional changes; whitespace/import/struct layout only
- Improves consistency, reduces diff noise, and aligns with standard tooling

setting/ratio_setting/expose_ratio.go

@@ -5,13 +5,13 @@ import "sync/atomic"
 var exposeRatioEnabled atomic.Bool
 
 func init() {
-    exposeRatioEnabled.Store(false)
+	exposeRatioEnabled.Store(false)
 }
 
 func SetExposeRatioEnabled(enabled bool) {
-    exposeRatioEnabled.Store(enabled)
+	exposeRatioEnabled.Store(enabled)
 }
 
 func IsExposeRatioEnabled() bool {
-    return exposeRatioEnabled.Load()
-} 
+	return exposeRatioEnabled.Load()
+}