Initial commit of 001code-html Scratch frontend project.

Includes scratch-gui, scratch-vm, scratch-blocks, scratch-render, scratch-l10n, and deployment config.

Co-authored-by: Cursor <cursoragent@cursor.com>

scratch-gui/test/unit/util/opcode-labels.test.js

@@ -0,0 +1,15 @@
+import opcodeLabels from '../../../src/lib/opcode-labels';
+
+describe('Opcode Labels', () => {
+    test('day of week label', () => {
+        const labelFun = opcodeLabels.getLabel('sensing_current').labelFn;
+        expect(labelFun({CURRENTMENU: 'dayofweek'})).toBe('day of week');
+        expect(labelFun({CURRENTMENU: 'DAYOFWEEK'})).toBe('day of week');
+    });
+
+    test('unspecified opcodes default to extension category and opcode as label', () => {
+        const labelInfo = opcodeLabels.getLabel('music_getTempo');
+        expect(labelInfo.label).toBe('music_getTempo');
+        expect(labelInfo.category).toBe('extension');
+    });
+});