style(design): apply Minimal Dark Mode design system\n\n- Switched to complete Dark Mode (OLED-friendly)\n- Established standard color palette matching modern technical aesthetics\n- Changed font to Plus Jakarta Sans for increased legibility\n- Enforced dark mode as default in App.tsx\n- Fixed several React cascading render (setState in useEffect) warnings

src/tests/unit/setup.ts

@@ -1,61 +1,61 @@
-import '@testing-library/jest-dom';
-import * as matchers from '@testing-library/jest-dom/matchers';
-import { isUndefined } from 'lodash-es';
-import { expect, vi } from 'vitest';
-
-expect.extend(matchers);
-
-// Mock window and localStorage for Node environment
-if (isUndefined((globalThis as { window?: unknown }).window)) {
-  global.window = {
-    matchMedia: vi.fn().mockImplementation((query: string) => ({
-      matches: false,
-      media: query,
-      onchange: null,
-      addListener: vi.fn(),
-      removeListener: vi.fn(),
-      addEventListener: vi.fn(),
-      removeEventListener: vi.fn(),
-      dispatchEvent: vi.fn(),
-    })),
-    localStorage: {
-      getItem: vi.fn(),
-      setItem: vi.fn(),
-      removeItem: vi.fn(),
-      clear: vi.fn(),
-      length: 0,
-      key: vi.fn(),
-    },
-    postMessage: vi.fn(),
-    addEventListener: vi.fn(),
-    removeEventListener: vi.fn(),
-    dispatchEvent: vi.fn(),
-    scrollTo: vi.fn(),
-  } as any;
-
-  (global as any).localStorage = (global as any).window.localStorage;
-}
-
-// Ensure HOME is defined for path utils
-if (!process.env.HOME) {
-  process.env.HOME = '/tmp/test-home';
-}
-if (!process.env.APPDATA) {
-  process.env.APPDATA = '/tmp/test-appdata';
-}
-
-// Mock ResizeObserver
-class MockResizeObserver {
-  observe() {}
-  unobserve() {}
-  disconnect() {}
-}
-(globalThis as any).ResizeObserver = MockResizeObserver;
-
-// Mock IntersectionObserver
-class MockIntersectionObserver {
-  observe() {}
-  unobserve() {}
-  disconnect() {}
-}
-(globalThis as any).IntersectionObserver = MockIntersectionObserver;
+import '@testing-library/jest-dom';
+import * as matchers from '@testing-library/jest-dom/matchers';
+import { isUndefined } from 'lodash-es';
+import { expect, vi } from 'vitest';
+
+expect.extend(matchers);
+
+// Mock window and localStorage for Node environment
+if (isUndefined((globalThis as { window?: unknown }).window)) {
+  global.window = {
+    matchMedia: vi.fn().mockImplementation((query: string) => ({
+      matches: false,
+      media: query,
+      onchange: null,
+      addListener: vi.fn(),
+      removeListener: vi.fn(),
+      addEventListener: vi.fn(),
+      removeEventListener: vi.fn(),
+      dispatchEvent: vi.fn(),
+    })),
+    localStorage: {
+      getItem: vi.fn(),
+      setItem: vi.fn(),
+      removeItem: vi.fn(),
+      clear: vi.fn(),
+      length: 0,
+      key: vi.fn(),
+    },
+    postMessage: vi.fn(),
+    addEventListener: vi.fn(),
+    removeEventListener: vi.fn(),
+    dispatchEvent: vi.fn(),
+    scrollTo: vi.fn(),
+  } as any;
+
+  (global as any).localStorage = (global as any).window.localStorage;
+}
+
+// Ensure HOME is defined for path utils
+if (!process.env.HOME) {
+  process.env.HOME = '/tmp/test-home';
+}
+if (!process.env.APPDATA) {
+  process.env.APPDATA = '/tmp/test-appdata';
+}
+
+// Mock ResizeObserver
+class MockResizeObserver {
+  observe() {}
+  unobserve() {}
+  disconnect() {}
+}
+(globalThis as any).ResizeObserver = MockResizeObserver;
+
+// Mock IntersectionObserver
+class MockIntersectionObserver {
+  observe() {}
+  unobserve() {}
+  disconnect() {}
+}
+(globalThis as any).IntersectionObserver = MockIntersectionObserver;