refactor(i18n): extract type conversions to transform.go

Move getCount, toInt, toInt64, toFloat64 helpers to dedicated file.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

pkg/i18n/i18n.go

@@ -979,67 +979,6 @@ func (s *Service) getMessage(lang, key string) (Message, bool) {
 	return msg, ok
 }
 
-func getCount(data any) int {
-	if data == nil {
-		return 0
-	}
-	switch d := data.(type) {
-	case map[string]any:
-		if c, ok := d["Count"]; ok {
-			return toInt(c)
-		}
-	case map[string]int:
-		if c, ok := d["Count"]; ok {
-			return c
-		}
-	}
-	return 0
-}
-
-func toInt(v any) int {
-	switch n := v.(type) {
-	case int:
-		return n
-	case int64:
-		return int(n)
-	case float64:
-		return int(n)
-	}
-	return 0
-}
-
-func toInt64(v any) int64 {
-	switch n := v.(type) {
-	case int:
-		return int64(n)
-	case int64:
-		return n
-	case int32:
-		return int64(n)
-	case float64:
-		return int64(n)
-	case float32:
-		return int64(n)
-	}
-	return 0
-}
-
-func toFloat64(v any) float64 {
-	switch n := v.(type) {
-	case float64:
-		return n
-	case float32:
-		return float64(n)
-	case int:
-		return float64(n)
-	case int64:
-		return float64(n)
-	case int32:
-		return float64(n)
-	}
-	return 0
-}
-
 func applyTemplate(text string, data any) string {
 	// Quick check for template syntax
 	if !strings.Contains(text, "{{") {

pkg/i18n/transform.go

@@ -0,0 +1,67 @@
+// Package i18n provides internationalization for the CLI.
+package i18n
+
+// getCount extracts a Count value from template data.
+func getCount(data any) int {
+	if data == nil {
+		return 0
+	}
+	switch d := data.(type) {
+	case map[string]any:
+		if c, ok := d["Count"]; ok {
+			return toInt(c)
+		}
+	case map[string]int:
+		if c, ok := d["Count"]; ok {
+			return c
+		}
+	}
+	return 0
+}
+
+// toInt converts any numeric type to int.
+func toInt(v any) int {
+	switch n := v.(type) {
+	case int:
+		return n
+	case int64:
+		return int(n)
+	case float64:
+		return int(n)
+	}
+	return 0
+}
+
+// toInt64 converts any numeric type to int64.
+func toInt64(v any) int64 {
+	switch n := v.(type) {
+	case int:
+		return int64(n)
+	case int64:
+		return n
+	case int32:
+		return int64(n)
+	case float64:
+		return int64(n)
+	case float32:
+		return int64(n)
+	}
+	return 0
+}
+
+// toFloat64 converts any numeric type to float64.
+func toFloat64(v any) float64 {
+	switch n := v.(type) {
+	case float64:
+		return n
+	case float32:
+		return float64(n)
+	case int:
+		return float64(n)
+	case int64:
+		return float64(n)
+	case int32:
+		return float64(n)
+	}
+	return 0
+}