feat(player): theme-3 移动端/PC 双端拆分与桌面投注工作台

新增 DesktopShell 及桌面端首页、赛事、钱包、记录等页面，原 H5 视图迁移至 Mobile* 并由路由 wrapper 按视口切换。补齐右侧投注单栏、赔率快捷浮层、联赛/赛事侧栏、串关与定位能力；桌面下注成功改为全局 Toast，修复侧栏成功遮罩被裁剪与底部汇总黑底。同步悬浮客服、公告卡片、三语 i18n、桌面样式体系，以及 API 赛事与 shared 包相关调整。

apps/player/scripts/check-desktop-i18n.mjs

@@ -0,0 +1,44 @@
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const root = path.join(__dirname, '..');
+
+function flatten(obj, prefix = '') {
+  const out = {};
+  for (const [k, v] of Object.entries(obj)) {
+    const key = prefix ? `${prefix}.${k}` : k;
+    if (v && typeof v === 'object' && !Array.isArray(v)) Object.assign(out, flatten(v, key));
+    else out[key] = v;
+  }
+  return out;
+}
+
+function extractKeysFromDir(dir) {
+  const keys = new Set();
+  const re = /\bt\s*\(\s*['"`]([^'"`]+)['"`]/g;
+  function walk(d) {
+    for (const ent of fs.readdirSync(d, { withFileTypes: true })) {
+      const p = path.join(d, ent.name);
+      if (ent.isDirectory()) walk(p);
+      else if (ent.name.endsWith('.vue')) {
+        const src = fs.readFileSync(p, 'utf8');
+        let m;
+        while ((m = re.exec(src))) keys.add(m[1]);
+      }
+    }
+  }
+  walk(dir);
+  return keys;
+}
+
+const zhMod = await import('../src/i18n/zh-CN.ts');
+const zh = flatten(zhMod.default);
+const dirs = ['src/views/desktop', 'src/components/desktop'].map((d) => path.join(root, d));
+const used = new Set();
+for (const d of dirs) extractKeysFromDir(d).forEach((k) => used.add(k));
+
+const missing = [...used].filter((k) => !(k in zh)).sort();
+console.log(`Missing keys (${missing.length}):`);
+missing.forEach((k) => console.log(`  ${k}`));