feat: add personal playlists and shareable track links

EOF

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

apps/web/src/shared/lib/share.test.ts

@@ -0,0 +1,40 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { shareTrack } from './share';
+
+afterEach(() => vi.restoreAllMocks());
+
+describe('shareTrack', () => {
+  it('copies on desktop even when native sharing exists', async () => {
+    const share = vi.fn();
+    const writeText = vi.fn().mockResolvedValue(undefined);
+    vi.spyOn(navigator, 'userAgent', 'get').mockReturnValue('Windows');
+    vi.stubGlobal('navigator', { userAgent: 'Windows', share, clipboard: { writeText } });
+    try {
+      expect(await shareTrack('id', 'Title')).toBe('copied');
+      expect(writeText).toHaveBeenCalledWith(`${window.location.origin}/track/id`);
+      expect(share).not.toHaveBeenCalled();
+    } finally { vi.unstubAllGlobals(); }
+  });
+
+  it('opens Android sharing with a page URL', async () => {
+    const share = vi.fn().mockResolvedValue(undefined);
+    vi.stubGlobal('navigator', { userAgent: 'Android', share });
+    try {
+      expect(await shareTrack('id', 'Title')).toBe('shared');
+      expect(share).toHaveBeenCalledWith({ title: 'Title', url: `${window.location.origin}/track/id` });
+    } finally { vi.unstubAllGlobals(); }
+  });
+
+  it('does not copy or report an error when the share sheet is dismissed', async () => {
+    const share = vi.fn().mockRejectedValue(new DOMException('Cancelled', 'AbortError'));
+    vi.stubGlobal('navigator', { userAgent: 'Android', share });
+    try { expect(await shareTrack('id', 'Title')).toBe('cancelled'); }
+    finally { vi.unstubAllGlobals(); }
+  });
+
+  it('reports clipboard failures instead of pretending the link was copied', async () => {
+    vi.stubGlobal('navigator', { userAgent: 'Windows', clipboard: { writeText: vi.fn().mockRejectedValue(new Error('Denied')) } });
+    try { await expect(shareTrack('id', 'Title')).rejects.toThrow('Denied'); }
+    finally { vi.unstubAllGlobals(); }
+  });
+});

apps/web/src/shared/lib/share.ts

@@ -0,0 +1,17 @@
+import { trackShareUrl } from '@pipu/core';
+
+/** Desktop always copies; mobile browsers can open their native share sheet. */
+export async function shareTrack(id: string, title: string): Promise<'copied' | 'shared' | 'cancelled'> {
+  const url = trackShareUrl(window.location.origin, id);
+  if (/Android|iPhone|iPad|iPod/i.test(navigator.userAgent) && navigator.share) {
+    try {
+      await navigator.share({ title, url });
+      return 'shared';
+    } catch (error) {
+      if (typeof error === 'object' && error !== null && 'name' in error && error.name === 'AbortError') return 'cancelled';
+      // If sharing is unavailable, still allow copying the link.
+    }
+  }
+  await navigator.clipboard.writeText(url);
+  return 'copied';
+}

apps/web/src/shared/ui/icons.ts

@@ -3,6 +3,7 @@ export { default as addIcon } from '@material-symbols/svg-400/rounded/add.svg';
 export { default as checkIcon } from '@material-symbols/svg-400/rounded/check.svg';
 export { default as closeIcon } from '@material-symbols/svg-400/rounded/close.svg';
 export { default as copyIcon } from '@material-symbols/svg-400/rounded/content_copy.svg';
+export { default as shareIcon } from '@material-symbols/svg-400/rounded/share.svg';
 export { default as groupIcon } from '@material-symbols/svg-400/rounded/group.svg';
 export { default as groupFillIcon } from '@material-symbols/svg-400/rounded/group-fill.svg';
 export { default as homeIcon } from '@material-symbols/svg-400/rounded/home.svg';