This page is the answer to "how do I know I built a real application?"
Each check is a property of mature systems. Each one is auto-detected from the actual code and database. When you ship a feature that demonstrates the property, the check moves from red to yellow to green. The "what you learned" line tells you what concept you internalized.
Unlike the setup checklist (which you complete once), this checklist grows over time. Categories at 100% mean your work covers that domain. Categories at 50% are where the next high-value feature lives.
Unlike the setup checklist (which you complete once), this checklist grows over time. Categories at 100% mean your work covers that domain. Categories at 50% are where the next high-value feature lives.