feat: GIF search (Klipy), stickers, emoji picker, and bug fixes

- Add GIF search powered by Klipy API with correct response mapping
  (file.sm/hd tiers, not flat files structure)
- Add sticker system: packs, upload with auto-downscale, send in messages
- Add tabbed InputPopover with emoji, GIF, and sticker pickers
- Fix GIF API key migration race condition (column-add loop vs rename)
- Fix masked API key corruption on settings save (server + client guards)
- Fix sticker packs 403 (reversed isMember parameter order)
- Fix emoji picker not filling popover width (perLine 8→9, CSS 100%)
- Add error logging for Klipy API failures

packages/web/src/stores/settingsStore.ts

@@ -6,10 +6,12 @@ interface SettingsState {
   streamingLimits: InstanceStreamingLimits | null;
   instanceSettings: InstanceAdminSettings | null;
   isAdmin: boolean;
+  gifEnabled: boolean;
   fetchStreamingLimits: () => Promise<void>;
   updateStreamingLimits: (limits: Partial<InstanceStreamingLimits>) => Promise<void>;
   fetchInstanceSettings: () => Promise<void>;
   updateInstanceSettings: (data: Partial<InstanceAdminSettings>) => Promise<void>;
+  fetchGifEnabled: () => Promise<void>;
   setIsAdmin: (isAdmin: boolean) => void;
 }
 
@@ -32,6 +34,7 @@ export const useSettingsStore = create<SettingsState>((set) => ({
   streamingLimits: null,
   instanceSettings: null,
   isAdmin: false,
+  gifEnabled: false,
 
   fetchStreamingLimits: async () => {
     try {
@@ -70,5 +73,14 @@ export const useSettingsStore = create<SettingsState>((set) => ({
     }
   },
 
+  fetchGifEnabled: async () => {
+    try {
+      const { enabled } = await api.gif.enabled();
+      set({ gifEnabled: enabled });
+    } catch {
+      set({ gifEnabled: false });
+    }
+  },
+
   setIsAdmin: (isAdmin: boolean) => set({ isAdmin }),
 }));