feat: scaffold Tauri v2 + Svelte 5 project with base layout and utilities

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

tests/lib/utils/colors.test.ts

@@ -0,0 +1,16 @@
+import { describe, it, expect } from 'vitest';
+import { getClipColor, CLIP_COLORS } from '$lib/utils/colors';
+
+describe('getClipColor', () => {
+  it('returns a valid hex color for index 0', () => {
+    expect(getClipColor(0)).toMatch(/^#[0-9a-fA-F]{6}$/);
+  });
+
+  it('returns different colors for different indices', () => {
+    expect(getClipColor(0)).not.toBe(getClipColor(1));
+  });
+
+  it('wraps around the palette', () => {
+    expect(getClipColor(0)).toBe(getClipColor(CLIP_COLORS.length));
+  });
+});