Topic: Jit-TypeScript
Lesson: Basic Types
Completed answer: the example is complete when the learner can copy it, run or inspect it, and point to the visible result.
TypeScript checklist: - Name the goal - Create the smallest working example - Test the result - Fix one problem at a time - Record what changed
What to check: The page still loads, the main idea is visible, and no extra unrelated change was made.