feat(songs): 歌曲管理支持批量驳回、投稿留言自动审查与排期范围可见性过滤

- 新增 /api/admin/songs/batch-reject.post 批量驳回接口（事务清排期/投票/扣接纳数/黑名单去重/异步通知）
- requireSongAdmin 三角色校验 + createApiError 统一错误包装
- scheduleDaysBefore/After 四字段排期可见范围限制（开放 API 与公开排期接口三处缓存路径 + DB 条件过滤）
- submissionNoteAutoModeration 基于黑名单 KEYWORD/LANGUAGE/GENRE 自动判定留言 publicStatus，命中自动关闭 submissionNotePublic
- 更新 songs/request.post 与 songs/[id]/update.put 接入自动审查逻辑

app/plugins/sentry.client.ts

@@ -0,0 +1,29 @@
+import * as Sentry from '@sentry/vue'
+
+export default defineNuxtPlugin((nuxtApp) => {
+  const config = useRuntimeConfig()
+  const dsn = config.public.sentry?.dsn
+
+  if (!dsn) return
+
+  const app = nuxtApp.vueApp
+  const router = nuxtApp.$router
+
+  Sentry.init({
+    app,
+    dsn,
+    environment: config.sentry?.environment || 'production',
+    release: config.sentry?.release || undefined,
+    tracesSampleRate: config.public.sentry?.tracesSampleRate ?? 1.0,
+    integrations: router
+      ? [
+          Sentry.browserTracingIntegration({ router }),
+          Sentry.replayIntegration()
+        ]
+      : [
+          Sentry.replayIntegration()
+        ],
+    replaysSessionSampleRate: config.public.sentry?.replaySessionSampleRate ?? 0,
+    replaysOnErrorSampleRate: config.public.sentry?.replayOnErrorSampleRate ?? 0
+  })
+})