Building a Custom Status Line for Claude Code (opens in new tab)

I spend most of my day in Claude Code. It's my pair programmer, code reviewer, and rubber duck all rolled into one. After a few days of using it, I realized I had no idea how many tokens I'd burned, how much the session was costing, or how close I was to filling the context window. Every once in a while I'd run /cost, think "that's higher than I expected," and go back to work. That lasted about a day. I like dashboards. If I'm consuming resources or spending money, I want to see it happening ...