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

.vscode/settings.json

@@ -1,7 +1,7 @@
-{
-  "editor.formatOnSave": true,
-  "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": "explicit"
-  },
-  "eslint.validate": ["javascript", "javascriptreact", "typescript", "typescriptreact"]
-}
+{
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
+  "eslint.validate": ["javascript", "javascriptreact", "typescript", "typescriptreact"]
+}