fix: skip config loading for completion subcommands (#109)

Use cmd.Name() with parent traversal instead of cmd.Use to properly
detect completion subcommands like "completion bash". Previously,
only the leaf command name was checked, causing config loading to
fail when Chart.yaml doesn't exist.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: ZverGuy <maximbel2003@gmail.com>
Co-authored-by: Claude <noreply@anthropic.com>

Author: kitsunoff

main.go

@@ -87,8 +87,7 @@ func init() {
 		}
 
 		// Load config after root detection (skip for init and completion commands)
-		cmdName := cmd.Use
-		if !strings.HasPrefix(cmdName, "init") && !strings.HasPrefix(cmdName, "completion") {
+		if !isCommandOrParent(cmd, "init", "completion") {
 			configFile := filepath.Join(commands.Config.RootDir, "Chart.yaml")
 			if err := loadConfig(configFile); err != nil {
 				return fmt.Errorf("error loading configuration: %w", err)
@@ -143,6 +142,18 @@ func initConfig() {
 	}
 }
 
+// isCommandOrParent checks if the command or any of its parents matches one of the given names.
+func isCommandOrParent(cmd *cobra.Command, names ...string) bool {
+	for c := cmd; c != nil; c = c.Parent() {
+		for _, name := range names {
+			if c.Name() == name {
+				return true
+			}
+		}
+	}
+	return false
+}
+
 func loadConfig(filename string) error {
 	data, err := os.ReadFile(filename)
 	if err != nil {