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Capstone: Mock Loop & Self-Exam1 / 2

1 min lesson

Set the room to match the real screen

Walk through "Set the room to match the real screen" in order, then name the proof that tells you it worked.

Step 1 of 2

Set the room to match the real screenDrill setup

  1. 1Kill the model. Turn off Copilot and Cursor's AI completions, leaving only the editor's word-level autocomplete. The point is to feel the gap the real screen creates, not to simulate comfort.
  2. 2Set a 60-minute clock. One medium-hard component from a cold start. A 45-minute version is the warm-up; the full hour is the test, because the last 15 minutes are where polish and edge cases either appear or don't.
  3. 3Open a bare sandbox. A single tsx file, no scaffolding, no snippet library you pre-wrote. If you'd reach for a saved keyboard-handler block on the real screen, you can't, so don't here either.
  4. 4Record yourself narrating. Talk through trade-offs out loud the whole way, as if an interviewer is on the call. The recording is the feedback loop - you'll hear every place you went quiet and started flailing.