whitespacelisted

# Whitespace Fix whitespace issues in source code: trailing whitespace and missing final newlines. ## Actions ### Check for issues (dry-run) ```bash <skills>/whitespace/scripts/whitespace-check.sh [directory] [extensions] ``` ### Fix issues ```bash <skills>/whitespace/scripts/whitespace-fix.sh [directory] [extensions] ``` Default extensions: `jl,py,js,ts,tsx,rs,go,md,json,yaml,yml,toml,sh` Default directory: current working directory (`.`) ## What Gets Fixed 1. **Trailing whitespace** - spaces/tabs at end of lines 2. **Final newline** - ensures files end with exactly one newline ## Notes - Scripts require GNU sed (Linux default, install via `brew install gnu-sed` on macOS) - Binary files and `.git` directory are excluded - Always review changes with `git diff` after running