Add live show player playback and effects

resources/js/guest/lib/__tests__/liveShowEffects.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, it } from 'vitest';
+import { resolveLiveShowEffect } from '../liveShowEffects';
+
+describe('resolveLiveShowEffect', () => {
+  it('adds flash overlay for shutter flash preset', () => {
+    const effect = resolveLiveShowEffect('shutter_flash', 80, false);
+    expect(effect.flash).toBeDefined();
+    expect(effect.frame.initial).toBeDefined();
+    expect(effect.frame.animate).toBeDefined();
+  });
+
+  it('keeps light effects simple without flash', () => {
+    const effect = resolveLiveShowEffect('light_effects', 80, false);
+    expect(effect.flash).toBeUndefined();
+  });
+
+  it('honors reduced motion with basic fade', () => {
+    const effect = resolveLiveShowEffect('film_cut', 80, true);
+    expect(effect.flash).toBeUndefined();
+    expect(effect.frame.initial).toEqual({ opacity: 0 });
+  });
+});