Focus Rounds: one-prompt focus timer with session stats for Claude Code

Work in focused 25-minute sessions with short breaks in between and a longer break after every fourth. Type what you're working on, press Start and watch the ring count down; a chime tells you when each session ends. Switch tabs or reload the page and the timer stays exact. Every finished session is saved, so you can see today's focus time, a 7-day chart, your current and best streaks, and export it all as a CSV. Paste the prompt into Claude Code and it builds the whole app for you.