chore: Bump version to 1.0.6 and update package.json for adapter-electron

- Added placeholders.d.ts to the files list.
- Updated dependencies for electron and cookie.
- Introduced new scripts for testing and type checking.
- Adjusted devDependencies for compatibility with TypeScript and testing tools.

packages/adapter-electron/tests/setup.js

@@ -0,0 +1,35 @@
+// Test setup file for vitest
+import { vi } from 'vitest';
+
+// Mock __dirname for ES modules
+global.__dirname = process.cwd();
+
+// Mock process.env defaults
+process.env.NODE_ENV = process.env.NODE_ENV || 'test';
+
+// Global test utilities
+global.mockElectronRequest = (overrides = {}) => ({
+  url: 'http://127.0.0.1/test',
+  method: 'GET',
+  headers: new Map(),
+  body: null,
+  uploadData: [],
+  ...overrides
+});
+
+global.mockElectronSession = (overrides = {}) => ({
+  cookies: {
+    get: vi.fn().mockResolvedValue([]),
+    set: vi.fn().mockResolvedValue(),
+    remove: vi.fn().mockResolvedValue()
+  },
+  ...overrides
+});
+
+// Suppress console.error in tests unless specifically testing error handling
+const originalConsoleError = console.error;
+console.error = (...args) => {
+  if (process.env.VITEST_SHOW_ERRORS === 'true') {
+    originalConsoleError(...args);
+  }
+};