refactor(mock): remove lib/mock fixtures and empty stores

store/favorites.ts

@@ -1,5 +1,4 @@
 import { generateId } from "@/lib/id"
-import { mockFavorites } from "@/lib/mock"
 import type { Favorite } from "@/lib/types"
 import { create } from "zustand"
 
@@ -11,7 +10,7 @@ interface FavoriteState {
 }
 
 export const useFavoriteStore = create<FavoriteState>((set, get) => ({
-  favorites: mockFavorites,
+  favorites: [],
   listFavoritesByUser: (userId) => get().favorites.filter((favorite) => favorite.userId === userId),
   isFavorited: (userId, targetType, targetId) =>
     get().favorites.some(