feat：移除了弹窗，服务器添加sls

apps/telemetry-dashboard/composables/use-theme.ts

@@ -0,0 +1,23 @@
+export type ThemeMode = 'light' | 'dark' | 'system'
+
+export function useTheme() {
+	const mode = useState<ThemeMode>('theme-mode', () => 'system')
+
+	function apply(value: ThemeMode): void {
+		if (!import.meta.client) return
+		const dark =
+			value === 'dark' ||
+			(value === 'system' && window.matchMedia('(prefers-color-scheme: dark)').matches)
+		document.documentElement.classList.toggle('dark', dark)
+		localStorage.setItem('telemetry-admin-theme', value)
+	}
+
+	onMounted(() => {
+		const saved = localStorage.getItem('telemetry-admin-theme') as ThemeMode | null
+		if (saved === 'light' || saved === 'dark' || saved === 'system') mode.value = saved
+		apply(mode.value)
+	})
+
+	watch(mode, apply)
+	return { mode }
+}