How We Design Features for Wrangler, the Cloudflare Workers CLI

This post details the iterative design process for adding Workers KV functionality to the Wrangler CLI. It outlines three attempts at designing the command-line interface, highlighting lessons learned regarding command taxonomies, inspiration from other CLIs, and the importance of avoiding raw ID strings by leveraging the `wrangler.toml` configuration file for mapping human-readable names to KV namespace IDs. The final design uses colon-delimited command namespacing (e.g., `kv:namespace`, `kv:key`, `kv:bulk`) for clarity and explicitness.