feat(theme-2): sync inbox/announcements/presence/deposit from main

apps/player/src/composables/useInboxFeature.ts

@@ -0,0 +1,23 @@
+import { computed } from 'vue';
+import { usePlayerHome } from './usePlayerHome';
+
+/** 玩家端站内邮箱功能开关（来自 /player/home） */
+export function useInboxFeature() {
+  const { homeRaw } = usePlayerHome();
+
+  const inboxEnabled = computed(() => homeRaw.value?.inboxEnabled !== false);
+
+  const hubRoute = computed(() =>
+    inboxEnabled.value ? '/messages' : '/messages?tab=support',
+  );
+
+  const hubOpenLabelKey = computed(() =>
+    inboxEnabled.value ? 'inbox_hub.open' : 'inbox_hub.open_support',
+  );
+
+  const hubTitleKey = computed(() =>
+    inboxEnabled.value ? 'inbox_hub.title' : 'inbox_hub.tab_support',
+  );
+
+  return { inboxEnabled, hubRoute, hubOpenLabelKey, hubTitleKey };
+}