feat(managementasset): add MANAGEMENT_STATIC_PATH override

internal/managementasset/updater.go

@@ -56,6 +56,14 @@ type releaseResponse struct {
 
 // StaticDir resolves the directory that stores the management control panel asset.
 func StaticDir(configFilePath string) string {
+	if override := strings.TrimSpace(os.Getenv("MANAGEMENT_STATIC_PATH")); override != "" {
+		cleaned := filepath.Clean(override)
+		if strings.EqualFold(filepath.Base(cleaned), managementAssetName) {
+			return filepath.Dir(cleaned)
+		}
+		return cleaned
+	}
+
 	configFilePath = strings.TrimSpace(configFilePath)
 	if configFilePath == "" {
 		return ""
@@ -74,6 +82,14 @@ func StaticDir(configFilePath string) string {
 
 // FilePath resolves the absolute path to the management control panel asset.
 func FilePath(configFilePath string) string {
+	if override := strings.TrimSpace(os.Getenv("MANAGEMENT_STATIC_PATH")); override != "" {
+		cleaned := filepath.Clean(override)
+		if strings.EqualFold(filepath.Base(cleaned), managementAssetName) {
+			return cleaned
+		}
+		return filepath.Join(cleaned, ManagementFileName)
+	}
+
 	dir := StaticDir(configFilePath)
 	if dir == "" {
 		return ""