diff --git a/src/core/services/immersion-tracker/__tests__/query.test.ts b/src/core/services/immersion-tracker/__tests__/query.test.ts
index 8c6c8b2..54b33c0 100644
--- a/src/core/services/immersion-tracker/__tests__/query.test.ts
+++ b/src/core/services/immersion-tracker/__tests__/query.test.ts
@@ -793,8 +793,12 @@ test('getTrendsDashboard month grouping spans every touched calendar month and k
   const RealDate = Date;
 
   class MockDate extends Date {
-    constructor(...args: ConstructorParameters<typeof Date>) {
-      super(...(args.length === 0 ? [new RealDate(2026, 2, 1, 12, 0, 0).getTime()] : args));
+    constructor(...args: any[]) {
+      if (args.length === 0) {
+        super(new RealDate(2026, 2, 1, 12, 0, 0).getTime());
+      } else {
+        super(...args);
+      }
     }
 
     static override now(): number {
@@ -1065,8 +1069,12 @@ test('getQueryHints computes weekly new-word cutoff from calendar midnights', ()
   const RealDate = Date;
 
   class MockDate extends Date {
-    constructor(...args: ConstructorParameters<typeof Date>) {
-      super(...(args.length === 0 ? [new RealDate(2026, 2, 15, 12, 0, 0).getTime()] : args));
+    constructor(...args: any[]) {
+      if (args.length === 0) {
+        super(new RealDate(2026, 2, 15, 12, 0, 0).getTime());
+      } else {
+        super(...args);
+      }
     }
 
     static override now(): number {
diff --git a/src/main/boot/services.test.ts b/src/main/boot/services.test.ts
index f586454..6930f9d 100644
--- a/src/main/boot/services.test.ts
+++ b/src/main/boot/services.test.ts
@@ -3,12 +3,33 @@ import test from 'node:test';
 import { createMainBootServices } from './services';
 
 test('createMainBootServices builds boot-phase service bundle', () => {
+  type MockAppLifecycleApp = {
+    requestSingleInstanceLock: () => boolean;
+    quit: () => void;
+    on: (event: string, listener: (...args: unknown[]) => void) => MockAppLifecycleApp;
+    whenReady: () => Promise<void>;
+  };
+
   const calls: string[] = [];
   let setPathValue: string | null = null;
   const appOnCalls: string[] = [];
   let secondInstanceHandlerRegistered = false;
 
-  const services = createMainBootServices({
+  const services = createMainBootServices<
+    { configDir: string },
+    { targetPath: string },
+    { targetPath: string },
+    { targetPath: string },
+    { kind: string },
+    { scope: string; warn: () => void; info: () => void; error: () => void },
+    { registry: boolean },
+    { getModalWindow: () => null },
+    { inputState: boolean },
+    { measurementStore: boolean },
+    { modalRuntime: boolean },
+    { mpvSocketPath: string; texthookerPort: number },
+    MockAppLifecycleApp
+  >({
     platform: 'linux',
     argv: ['node', 'main.ts'],
     appDataDir: undefined,