01
Six interview rooms, each with a purpose
Opened the Interview Gym.
The candidate can compare URL shortener, chat, feed, streaming, cache, and search prompts by difficulty and focus before committing to a timed session.
/gym
/gym
Webpractice
Interview gym
/gym
From six prompts to one timed design session
The gym offers focused system-design prompts with difficulty and skill filters. This walk chooses the URL shortener, reads the rubric and expectations, then starts the 45-minute session.
Live production evidence. Discovery used Codex computer control; recording used the cross-runtime capture contract so Claude can rerun the same script.
- 02
The URL shortener brief sets the bar
Opened the URL Shortener Service prompt.
The brief states the problem, expectations, components to consider, notes area, interview tips, and the 45-minute constraint before the timer begins.
/gym/url-shortener/gym/url-shortener
- 03
The rehearsal is now live
Clicked "Start 45-Minute Session".
The session enters its timed state with the prompt and working notes still in view. The candidate has crossed from browsing practice material into doing the interview.
/gym/url-shortener/gym/url-shortener