diff --git a/apps/web/src/app/stalker/stalker.store.compat.spec.ts b/apps/web/src/app/stalker/stalker.store.compat.spec.ts
new file mode 100644
index 000000000..7f1ad1d2f
--- /dev/null
+++ b/apps/web/src/app/stalker/stalker.store.compat.spec.ts
@@ -0,0 +1,161 @@
+import { TestBed } from '@angular/core/testing';
+import { MatSnackBar } from '@angular/material/snack-bar';
+import { TranslateService } from '@ngx-translate/core';
+import { of } from 'rxjs';
+import {
+    DataService,
+    PlaylistsService,
+    StalkerSessionService,
+} from 'services';
+import { PlayerService } from '../services/player.service';
+import { StalkerStore } from './stalker.store';
+
+describe('StalkerStore API compatibility smoke', () => {
+    let store: any;
+
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            providers: [
+                StalkerStore,
+                {
+                    provide: DataService,
+                    useValue: {
+                        isElectron: false,
+                        sendIpcEvent: jest.fn(),
+                    },
+                },
+                {
+                    provide: StalkerSessionService,
+                    useValue: {
+                        ensureToken: jest.fn(),
+                        makeAuthenticatedRequest: jest.fn(),
+                    },
+                },
+                {
+                    provide: PlayerService,
+                    useValue: {
+                        openPlayer: jest.fn(),
+                    },
+                },
+                {
+                    provide: PlaylistsService,
+                    useValue: {
+                        addPortalFavorite: jest.fn(() => of(undefined)),
+                        removeFromPortalFavorites: jest.fn(() => of(undefined)),
+                        addPortalRecentlyViewed: jest.fn(() => of(undefined)),
+                        removeFromPortalRecentlyViewed: jest.fn(() =>
+                            of(undefined)
+                        ),
+                    },
+                },
+                {
+                    provide: MatSnackBar,
+                    useValue: {
+                        open: jest.fn(),
+                    },
+                },
+                {
+                    provide: TranslateService,
+                    useValue: {
+                        instant: jest.fn((key: string) => key),
+                    },
+                },
+            ],
+        });
+
+        store = TestBed.inject(StalkerStore);
+    });
+
+    it('exposes compatibility state signals', () => {
+        const expectedSignals = [
+            'selectedContentType',
+            'selectedCategoryId',
+            'selectedVodId',
+            'selectedSerialId',
+            'selectedItvId',
+            'limit',
+            'page',
+            'searchPhrase',
+            'currentPlaylist',
+            'totalCount',
+            'selectedItem',
+            'vodCategories',
+            'seriesCategories',
+            'itvCategories',
+            'hasMoreChannels',
+            'itvChannels',
+            'vodSeriesSeasons',
+            'vodSeriesEpisodes',
+            'selectedVodSeriesSeasonId',
+        ];
+
+        for (const signalName of expectedSignals) {
+            expect(typeof store[signalName]).toBe('function');
+        }
+    });
+
+    it('exposes compatibility computed selectors', () => {
+        const expectedComputed = [
+            'getTotalPages',
+            'getPaginatedContent',
+            'isPaginatedContentLoading',
+            'isPaginatedContentFailed',
+            'getSerialSeasonsResource',
+            'isSerialSeasonsLoading',
+            'getVodSeriesSeasonsResource',
+            'isVodSeriesSeasonsLoading',
+            'getCategoryResource',
+            'isCategoryResourceLoading',
+            'isCategoryResourceFailed',
+            'getSelectedCategoryName',
+        ];
+
+        for (const computedName of expectedComputed) {
+            expect(typeof store[computedName]).toBe('function');
+        }
+    });
+
+    it('exposes compatibility methods and internal resources', () => {
+        const expectedMethods = [
+            'setSelectedContentType',
+            'setSelectedCategory',
+            'setSelectedSerialId',
+            'setSelectedVodId',
+            'setSelectedItvId',
+            'setLimit',
+            'setPage',
+            'setCurrentPlaylist',
+            'setSelectedItem',
+            'clearSelectedItem',
+            'setCategories',
+            'resetCategories',
+            'setItvChannels',
+            'setSearchPhrase',
+            'fetchVodSeriesEpisodes',
+            'getSelectedCategory',
+            'fetchLinkToPlay',
+            'getExpireDate',
+            'addToFavorites',
+            'removeFromFavorites',
+            'fetchMovieFileId',
+            'createLinkToPlayVod',
+            'addToRecentlyViewed',
+            'removeFromRecentlyViewed',
+            'fetchChannelEpg',
+            'makeStalkerRequest',
+        ];
+
+        for (const methodName of expectedMethods) {
+            expect(typeof store[methodName]).toBe('function');
+        }
+
+        expect(store.getContentResource).toBeDefined();
+        expect(typeof store.getContentResource.value).toBe('function');
+
+        expect(store.serialSeasonsResource).toBeDefined();
+        expect(typeof store.serialSeasonsResource.value).toBe('function');
+
+        expect(store.vodSeriesSeasonsResource).toBeDefined();
+        expect(typeof store.vodSeriesSeasonsResource.value).toBe('function');
+    });
+});
diff --git a/apps/web/tsconfig.spec.json b/apps/web/tsconfig.spec.json
index a16a365c0..d40306e4b 100644
--- a/apps/web/tsconfig.spec.json
+++ b/apps/web/tsconfig.spec.json
@@ -7,7 +7,7 @@
         "types": ["jest", "node"],
         "moduleResolution": "node10"
     },
-    "files": ["src/test-setup.ts"],
+    "files": ["src/test-setup.ts", "../../global.d.ts"],
     "include": [
         "jest.config.ts",
         "src/**/*.test.ts",