Read the Code
By the end you can name one of four words, variable, sequence, condition, loop, on any line of a short script and say in plain English what the line does; trace a script with a real number by hand and reach the answer before the machine does; write two tests from the spec before any code exists; find the bug an AI left and name it in a sentence; patch one line by hand and keep the patch in the commit history; and write the receipt that makes the label "AI-assisted, directed by me" true.