diff --git a/apps/web/src/app/services/electron.service.spec.ts b/apps/web/src/app/services/electron.service.spec.ts
new file mode 100644
index 000000000..610e2cb57
--- /dev/null
+++ b/apps/web/src/app/services/electron.service.spec.ts
@@ -0,0 +1,117 @@
+import { TestBed } from '@angular/core/testing';
+import { MatSnackBar } from '@angular/material/snack-bar';
+import { Store } from '@ngrx/store';
+import { TranslateService } from '@ngx-translate/core';
+import { PLAYLIST_PARSE_BY_URL } from '@iptvnator/shared/interfaces';
+import { ElectronService } from './electron.service';
+
+describe('ElectronService', () => {
+    const session = { id: 'session-1' };
+    let electronBridge: {
+        fetchPlaylistByUrl: jest.Mock;
+        openInMpv: jest.Mock;
+        openInVlc: jest.Mock;
+    };
+    let service: ElectronService;
+
+    beforeEach(() => {
+        jest.spyOn(console, 'log').mockImplementation(() => undefined);
+
+        electronBridge = {
+            fetchPlaylistByUrl: jest.fn(),
+            openInMpv: jest.fn().mockResolvedValue(session),
+            openInVlc: jest.fn().mockResolvedValue(session),
+        };
+
+        Object.defineProperty(window, 'electron', {
+            configurable: true,
+            value: electronBridge,
+        });
+
+        TestBed.configureTestingModule({
+            providers: [
+                ElectronService,
+                {
+                    provide: MatSnackBar,
+                    useValue: {
+                        open: jest.fn(),
+                    },
+                },
+                {
+                    provide: Store,
+                    useValue: {
+                        dispatch: jest.fn(),
+                    },
+                },
+                {
+                    provide: TranslateService,
+                    useValue: {
+                        instant: jest.fn((key: string) => key),
+                    },
+                },
+            ],
+        });
+
+        service = TestBed.inject(ElectronService);
+    });
+
+    afterEach(() => {
+        Object.defineProperty(window, 'electron', {
+            configurable: true,
+            value: undefined,
+        });
+        jest.restoreAllMocks();
+    });
+
+    it('ignores URL imports without a payload instead of calling the Electron bridge', async () => {
+        await service.sendIpcEvent(PLAYLIST_PARSE_BY_URL);
+
+        expect(electronBridge.fetchPlaylistByUrl).not.toHaveBeenCalled();
+    });
+
+    it('preserves an absent MPV user-agent so backend fallback headers can apply', async () => {
+        await service.sendIpcEvent('OPEN_MPV_PLAYER', {
+            url: 'https://example.test/live.m3u8',
+            headers: {
+                'User-Agent': 'FallbackAgent/1.0',
+            },
+        });
+
+        expect(electronBridge.openInMpv).toHaveBeenCalledWith(
+            'https://example.test/live.m3u8',
+            '',
+            '',
+            undefined,
+            undefined,
+            undefined,
+            undefined,
+            undefined,
+            {
+                'User-Agent': 'FallbackAgent/1.0',
+            }
+        );
+    });
+
+    it('preserves an absent VLC user-agent so backend fallback headers can apply', async () => {
+        await service.sendIpcEvent('OPEN_VLC_PLAYER', {
+            url: 'https://example.test/live.m3u8',
+            headers: {
+                'User-Agent': 'FallbackAgent/1.0',
+            },
+        });
+
+        expect(electronBridge.openInVlc).toHaveBeenCalledWith(
+            'https://example.test/live.m3u8',
+            '',
+            '',
+            undefined,
+            undefined,
+            undefined,
+            undefined,
+            undefined,
+            {
+                'User-Agent': 'FallbackAgent/1.0',
+            }
+        );
+    });
+});
diff --git a/apps/web/src/app/services/electron.service.ts b/apps/web/src/app/services/electron.service.ts
index 0a7765fa5..dac080e89 100644
--- a/apps/web/src/app/services/electron.service.ts
+++ b/apps/web/src/app/services/electron.service.ts
@@ -156,7 +156,7 @@ export class ElectronService extends DataService {
                     data.url,
                     data.title ?? '',
                     data.thumbnail ?? '',
-                    data['user-agent'] ?? undefined,
+                    data['user-agent'],
                     data.referer ?? undefined,
                     data.origin ?? undefined,
                     data.contentInfo,
@@ -185,7 +185,7 @@ export class ElectronService extends DataService {
                     data.url,
                     data.title ?? '',
                     data.thumbnail ?? '',
-                    data['user-agent'] ?? undefined,
+                    data['user-agent'],
                     data.referer ?? undefined,
                     data.origin ?? undefined,
                     data.contentInfo,
@@ -265,8 +265,8 @@ export class ElectronService extends DataService {
         }
     }
 
-    private async fetchM3uPlaylistFromUrl(payload: Partial<Playlist>) {
-        if (!payload.url) {
+    private async fetchM3uPlaylistFromUrl(payload?: Partial<Playlist>) {
+        if (!payload?.url) {
             return;
         }
 
diff --git a/apps/web/src/app/services/pwa.service.spec.ts b/apps/web/src/app/services/pwa.service.spec.ts
new file mode 100644
index 000000000..305656995
--- /dev/null
+++ b/apps/web/src/app/services/pwa.service.spec.ts
@@ -0,0 +1,80 @@
+import {
+    HttpClientTestingModule,
+    HttpTestingController,
+} from '@angular/common/http/testing';
+import { TestBed } from '@angular/core/testing';
+import { MatSnackBar } from '@angular/material/snack-bar';
+import { SwUpdate } from '@angular/service-worker';
+import { Store } from '@ngrx/store';
+import { TranslateService } from '@ngx-translate/core';
+import { EMPTY } from 'rxjs';
+import {
+    PLAYLIST_PARSE_BY_URL,
+    PLAYLIST_UPDATE,
+} from '@iptvnator/shared/interfaces';
+import { PwaService } from './pwa.service';
+
+describe('PwaService', () => {
+    let http: HttpTestingController;
+    let service: PwaService;
+
+    beforeEach(() => {
+        jest.spyOn(console, 'log').mockImplementation(() => undefined);
+
+        TestBed.configureTestingModule({
+            imports: [HttpClientTestingModule],
+            providers: [
+                PwaService,
+                {
+                    provide: MatSnackBar,
+                    useValue: {
+                        open: jest.fn(),
+                    },
+                },
+                {
+                    provide: Store,
+                    useValue: {
+                        dispatch: jest.fn(),
+                    },
+                },
+                {
+                    provide: SwUpdate,
+                    useValue: {
+                        versionUpdates: EMPTY,
+                    },
+                },
+                {
+                    provide: TranslateService,
+                    useValue: {
+                        instant: jest.fn((key: string) => key),
+                    },
+                },
+            ],
+        });
+
+        http = TestBed.inject(HttpTestingController);
+        service = TestBed.inject(PwaService);
+    });
+
+    afterEach(() => {
+        http.verify();
+        jest.restoreAllMocks();
+    });
+
+    it('ignores URL imports without a payload or URL instead of calling the backend', () => {
+        service.sendIpcEvent(PLAYLIST_PARSE_BY_URL);
+        service.sendIpcEvent(PLAYLIST_PARSE_BY_URL, {});
+
+        expect(http.match(() => true)).toHaveLength(0);
+    });
+
+    it('ignores playlist refreshes without a payload, URL, or id instead of calling the backend', () => {
+        service.sendIpcEvent(PLAYLIST_UPDATE);
+        service.sendIpcEvent(PLAYLIST_UPDATE, { id: 'playlist-1' });
+        service.sendIpcEvent(PLAYLIST_UPDATE, {
+            url: 'https://example.test/playlist.m3u',
+        });
+
+        expect(http.match(() => true)).toHaveLength(0);
+    });
+});
diff --git a/apps/web/src/app/services/pwa.service.ts b/apps/web/src/app/services/pwa.service.ts
index c7a853b51..f2477e116 100644
--- a/apps/web/src/app/services/pwa.service.ts
+++ b/apps/web/src/app/services/pwa.service.ts
@@ -144,8 +144,8 @@ export class PwaService extends DataService {
         return undefined as T;
     }
 
-    refreshPlaylist(payload: Partial<Playlist & { id: string }>) {
-        if (!payload.url || !payload.id) {
+    refreshPlaylist(payload?: Partial<Playlist & { id: string }>) {
+        if (!payload?.url || !payload?.id) {
             return;
         }
 
@@ -205,8 +205,8 @@ export class PwaService extends DataService {
      * Fetches playlist from the specified url
      * @param payload playlist payload
      */
-    fetchFromUrl(payload: Partial<Playlist>): void {
-        if (!payload.url) {
+    fetchFromUrl(payload?: Partial<Playlist>): void {
+        if (!payload?.url) {
             return;
         }