## CHANGES
- Upgrade GitHub Actions to latest versions (v6, v21)
- Add modernization check step in CI workflow
- Replace strings manipulation with `strings.CutPrefix` and `strings.CutSuffix`
- Replace manual loops with `slices.Contains` for validation
- Use `strings.SplitSeq` for iterator-based string splitting
- Replace `bytes.TrimPrefix` with `bytes.CutPrefix` for clarity
- Use `strings.Builder` instead of string concatenation
- Replace `fmt.Sprintf` with `fmt.Appendf` for efficiency
- Simplify padding calculation with `max` builtin
- Replace reflect.TypeOf with TypeFor generic syntax
- Convert traditional for loops to range-based iterations
- Simplify reflection usage in CLI flag handling
- Update test loops to use range over integers
- Refactor string processing loops in template plugin
- Add runtime OS detection for Windows platform
- Support `/flag` syntax for Windows command line
- Handle Windows colon delimiter `/flag:value` format
- Maintain backward compatibility with Unix-style flags
- Add comprehensive test coverage for flag extraction
- Support both `:` and `=` delimiters on Windows
- Preserve existing dash-based flag parsing logic
- Replace hardcoded strings with i18n.T translations
- Add en and es JSON locale files
- Implement custom translated help system
- Enable language detection from CLI args
- Add locale download capability
- Localize error messages throughout codebase
- Support TTS and notification translations
