feat(settings): add media hosting settings and provider-based upload gating

src/stores/use-media-hosting-store.ts

@@ -0,0 +1,25 @@
+import { create } from 'zustand';
+import { persist } from 'zustand/middleware';
+
+export const MEDIA_HOSTING_PROVIDERS = [{ id: 'catbox', name: 'Catbox', url: 'https://catbox.moe' }] as const;
+
+export type MediaHostingSelection = (typeof MEDIA_HOSTING_PROVIDERS)[number]['id'] | 'none' | string;
+
+interface MediaHostingStore {
+  selectedProvider: MediaHostingSelection;
+  setSelectedProvider: (provider: string) => void;
+}
+
+const useMediaHostingStore = create<MediaHostingStore>()(
+  persist(
+    (set) => ({
+      selectedProvider: 'catbox',
+      setSelectedProvider: (provider) => set({ selectedProvider: provider }),
+    }),
+    {
+      name: 'media-hosting-storage',
+    },
+  ),
+);
+
+export default useMediaHostingStore;