1 min lesson
The four surfaces to know by name
Rebuild the sequence in "The four surfaces to know by name" from memory, ending with the check that proves the outcome.
Step 1 of 2
The four surfaces to know by namecore product
Interactive diagram. Tab through its regions; each focused region shows its detail in the panel below.
The agent: Give it a task in plain language and it plans, edits across files, runs commands and checks its own work - the editor doing work, not just suggesting the next line.
Four capabilities resting on one foundation - name them, then say what an engineer feels.