Build the Master final project — Change one requirement

PART I

Warm-up

Reconnect with a useful idea before starting build the master final project. In one or two sentences, describe the input, output or host boundary from the previous exercise that this lesson builds on. If you are arriving directly, skim the worked example first; there is no locked prerequisite.

A rough note is enough. You can revise it after the example.

PART II

Instruction & guided example

Revise the final project for unchanged clients and stored work

The final Fast Track application integrates a bounded user goal, reusable rules, proposed native services and explicit host boundaries. Public practice remains open and self-directed; its self-checks are separate from private examinations. A strong final artifact includes complete sample reasoning, meaningful independent cases and honest evidence statuses rather than a list of API names or a personal completion tick.

Version A shows a fixed kit heading; version B proposes a saved per-user kit annotation. Sample compatibility table: unchanged A client retains its heading path; upgraded B client needs annotation storage permission; stored notes created by B must not be deleted by rollback to A; missing new permission leaves the old useful slice available under an explicit product policy. These are four concrete compatibility scenarios, not four renamed titles.

A version label does not implement data migration. The host must specify note format, ownership, write acceptance and rollback limits. Do not restore an old snapshot over newer valid annotations to make rollback appear successful.

Worked reasoning and supplied artifact

// Worked contract artifact:
// Version A shows a fixed kit heading; version B proposes a saved per-user kit annotation. Sample compatibility table: unchanged A client retains its heading path; upgraded B client needs annotation storage permission; stored notes created by B must not be deleted by rollback to A; missing new permission leaves the old useful slice available under an explicit product policy. These are four concrete compatibility scenarios, not four renamed titles.

Illustrative example from the proposed WillowScript design. The language and WUIX/WMATH/WDB/WAUDIO/WTMP services are not implemented in the supplied source. This site has no interpreter, VM or native host and does not execute or certify the snippet.

Try the guided change

Write unchanged-client, upgraded-client, denied-new-capability and stored-data rollback rows.

• Write the supplied inputs and initial state before following the example.
• Reconstruct each intermediate calculation or host decision, then compare with the worked artifact.
• Explain why the contrasting alternative fails before attempting the changed inputs in Part IV.

PART III

Take a breather

Step back after the guided example. Look away from the screen, stretch, or reread your prediction. This is an optional learning pause, not a timer or an assessment gate.

When you return, try to name the lesson’s key idea without copying its wording. If that feels difficult, return to Part II and trace one line rather than restarting the entire lesson.

PART IV

Independent practice

Project context: Independent WillowScript application. Build a small, understandable change around build the master final project.

Revise your tournament project to add saved venue notes. Provide the same four scenario rows, exact sample old/new note data and the unresolved migration/retention guarantees.

What to produce

A client/permission/data/rollback matrix with concrete retained work and explicit migration assumptions.

• State the intended behavior in a sentence before editing.
• Use only source-backed syntax and the host services whose contract you have been given.
• Record a normal case and a boundary or unavailable-resource case.
• Label hand predictions separately from anything actually measured in a supplied toolchain.

Syntax colors are a reading aid, not a compiler. The line you are editing stays uncolored until you move to a different line; capitalization is never changed. Drafts stay on this browser and code is not executed.

import wuix.widget;
import app;
domain Workspace {
    const application = Application({
        name: "Workspace",
        window: { title: "Dashboard", size: [1280, 800] },
        events: {
            "app.ready": fnc() -> void { console.log("Ready"); }
        }
    });
}

PART V

Self-check

Use this check to notice what to revisit. It does not award a private course grade, block another page or claim to verify compiled code. Every answer has a learning explanation.

You may keep exploring even if you are unsure. Use the hint, compare the trace, and revise your explanation.

PART VI

Recap & small task

Bring the idea back to the mod feature you are building. A useful recap connects the mechanism to a decision you can make in your own code.

• Revise the final project for unchanged clients and stored work
• Write unchanged-client, upgraded-client, denied-new-capability and stored-data rollback rows.
• Separate source-backed behavior, host requirements and untested predictions.

One small recap task

Write unchanged-client, upgraded-client, denied-new-capability and stored-data rollback rows.

This marks your personal practice record only. It is not a certification or an official workspace assessment.