🧪 Add mock implementation for search history in GamemasterExplorer tests

code/websites/pokedex.online/tests/unit/views/GamemasterExplorer.test.js

@@ -39,6 +39,11 @@ vi.mock('../../../src/composables/useGamemasterSearch.js', () => ({
     currentResultIndex: ref(-1),
     isSearching: ref(false),
     searchError: ref(null),
+    searchHistory: {
+      history: ref([]),
+      addToHistory: vi.fn(),
+      clearHistory: vi.fn()
+    },
     executeSearch: vi.fn(),
     clearSearch: vi.fn(),
     goToNextResult: vi.fn(),