Chore: Port over Settings (Barely Works)

src/lib/state/settings.svelte.ts

@@ -0,0 +1,28 @@
+import type { Settings } from '$lib/types/settings'
+import { DEFAULT_SETTINGS } from '$lib/types/settings'
+
+const KEY = 'moku_settings'
+
+function load(): Settings {
+  try {
+    const raw = localStorage.getItem(KEY)
+    if (raw) return { ...DEFAULT_SETTINGS, ...JSON.parse(raw) }
+  } catch {}
+  return { ...DEFAULT_SETTINGS }
+}
+
+function save(s: Settings) {
+  try { localStorage.setItem(KEY, JSON.stringify(s)) } catch {}
+}
+
+export const settingsState = $state({ settings: load() })
+
+export function updateSettings(patch: Partial<Settings>) {
+  Object.assign(settingsState.settings, patch)
+  save(settingsState.settings)
+}
+
+export function resetSettings() {
+  settingsState.settings = { ...DEFAULT_SETTINGS }
+  save(settingsState.settings)
+}