feat(player): 完善 H5 投注端与 API 演示数据

- 球赛/串关/优胜冠军、赛事详情、历史投注与个人资料编辑
- 固定顶栏、公告与底栏，仅内容区滚动
- 底部导航与站点 favicon 使用 logo，登录页精简
- API 种子、冠军盘与历史注单增强

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

apps/player/src/composables/useAnnouncements.ts

@@ -0,0 +1,35 @@
+import { ref } from 'vue';
+import api from '../api';
+import { resolveAnnouncements } from '../constants/defaultAnnouncement';
+
+function collectAnnouncementLines(data: {
+  ticker?: Array<{ translation?: { title?: string; body?: string } }>;
+  notices?: Array<{ translation?: { title?: string; body?: string } }>;
+} | null): string[] {
+  const lines: string[] = [];
+  if (!data) return lines;
+  for (const item of data.ticker ?? []) {
+    const text = item.translation?.body || item.translation?.title;
+    if (text) lines.push(text);
+  }
+  for (const item of data.notices ?? []) {
+    const text = item.translation?.title || item.translation?.body;
+    if (text) lines.push(text);
+  }
+  return lines;
+}
+
+export function useAnnouncements() {
+  const items = ref<string[]>(resolveAnnouncements([]));
+
+  async function load() {
+    try {
+      const { data } = await api.get('/player/home');
+      items.value = resolveAnnouncements(collectAnnouncementLines(data.data));
+    } catch {
+      items.value = resolveAnnouncements([]);
+    }
+  }
+
+  return { items, load };
+}