Whenever I ask an AI assistant to do a small task, it writes a quick Python script for me. Convert an image. Compress a PDF. Convert a CSV to Excel. The script works, I use it once, and then it disappears. At some point I thought: Why keep asking for one-off scripts when I could build my own reusable toolbox? So I did. Toolbox is a small Python CLI with utilities for the file and image tasks I keep needing — CSV ↔ Excel conversion, image grayscale/blur/compress, and PDF...