[hAIk]: optimize webpack config for faster dev builds: reorder resolve extensions from [.js, .jsx, .ts, .tsx] to [.tsx, .ts, .js] so TypeScript files resolve first, drop unused .jsx entry, and enable persistent filesystem caching in development mode to speed up rebuilds

frontend/webpack.config.js

@@ -66,7 +66,7 @@ module.exports = (env, argv) => {
     },
 
     resolve: {
-      extensions: ['.js', '.jsx', '.ts', '.tsx'],
+      extensions: ['.tsx', '.ts', '.js'],
       alias: {
         '@': path.resolve(__dirname, 'src'),
         [path.resolve(__dirname, 'node_modules/@pierre/diffs/node_modules/shiki/dist/bundle-full.mjs')]:
@@ -93,6 +93,8 @@ module.exports = (env, argv) => {
       }),
     ],
 
+    cache: isDevelopment ? { type: 'filesystem' } : false,
+
     devtool: isDevelopment ? 'eval-cheap-module-source-map' : false,
 
     devServer: {