perf: optimize app startup and background lifecycles

tests/unit/ai-hardware-server-registration.test.ts

@@ -4,14 +4,14 @@ import { describe, expect, it } from 'vitest';
 
 describe('AI hardware Host API registration', () => {
   it('registers the dedicated handler in the Host API route chain', async () => {
-    const source = await readFile(resolve('electron/api/server.ts'), 'utf8');
+    const source = await readFile(resolve('electron/api/route-handlers.ts'), 'utf8');
 
     expect(source).toMatch(
       /import\s+\{\s*handleAiHardwareRoutes\s*\}\s+from\s+['"]\.\/routes\/ai-hardware['"]/,
     );
 
     const routeList = source.match(
-      /const\s+coreRouteHandlers\s*:\s*RouteHandler\[\]\s*=\s*\[([\s\S]*?)\];/,
+      /hostApiRouteHandlers[^=]*=\s*\[([\s\S]*?)\];/,
     );
     expect(routeList?.[1]).toBeDefined();
     expect(routeList?.[1].match(/\bhandleAiHardwareRoutes\b/g)).toHaveLength(1);