feat(branding): add unified Pipu Music app icons

scripts/generate-icons.mjs

@@ -0,0 +1,51 @@
+import { copyFileSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs';
+import { createRequire } from 'node:module';
+import { dirname, join, resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { spawnSync } from 'node:child_process';
+
+// All platform assets derive from the editable web SVG. Requires workspace dependencies.
+const root = resolve(dirname(fileURLToPath(import.meta.url)), '..');
+const desktop = join(root, 'apps/desktop');
+const require = createRequire(join(desktop, 'package.json'));
+const cli = require.resolve('@tauri-apps/cli/tauri.js');
+const scratch = join(root, 'artifacts/icon-build');
+const source = join(root, 'apps/web/public/favicon.svg');
+const svg = readFileSync(source, 'utf8');
+const body = svg.replace(/<svg[^>]*>/, '').replace('</svg>', '');
+mkdirSync(scratch, { recursive: true });
+
+function render(input, output, sizes = []) {
+  mkdirSync(output, { recursive: true });
+  const result = spawnSync(process.execPath, [cli, 'icon', input, '--output', output,
+    ...sizes.flatMap(size => ['--png', String(size)])], { cwd: desktop, stdio: 'inherit' });
+  if (result.error) throw result.error;
+  if (result.status !== 0) throw new Error(`Icon generation failed: ${input}`);
+}
+
+function variant(name, contents, size, destination) {
+  const input = join(scratch, `${name}.svg`);
+  const output = join(scratch, name);
+  writeFileSync(input, `<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512">${contents}</svg>\n`);
+  render(input, output, [size]);
+  mkdirSync(dirname(destination), { recursive: true });
+  copyFileSync(join(output, `${size}x${size}.png`), destination);
+}
+
+const native = join(scratch, 'desktop');
+render(source, native);
+for (const name of ['32x32.png', '64x64.png', '128x128.png', '128x128@2x.png', 'icon.png', 'icon.ico', 'icon.icns']) {
+  copyFileSync(join(native, name), join(desktop, 'src-tauri/icons', name));
+}
+copyFileSync(join(native, '32x32.png'), join(root, 'apps/web/public/favicon-32.png'));
+const background = '<rect width="512" height="512" fill="#05070D"/>';
+variant('touch', background + body, 180, join(root, 'apps/web/public/apple-touch-icon.png'));
+variant('mobile', background + body, 1024, join(root, 'apps/mobile/assets/icon.png'));
+// The complete orb fits inside Android's central 66/108 safe-zone circle.
+variant('adaptive', `<g transform="translate(92.16 92.16) scale(.64)">${body}</g>`, 1024,
+  join(root, 'apps/mobile/assets/adaptive-icon.png'));
+const mono = body.replace(/<defs>[\s\S]*?<\/defs>/, '').replace(/<circle[^>]*\/>/, '')
+  .replaceAll('url(#note)', '#FFFFFF');
+variant('monochrome', `<g transform="translate(51.2 51.2) scale(.8)">${mono}</g>`, 1024,
+  join(root, 'apps/mobile/assets/monochrome-icon.png'));
+console.log('Updated desktop, Android, and browser icons.');