refactor: style-loader in dev for HMR happiness

packages/http/src/server/build/http.neutrinorc.js

@@ -60,7 +60,7 @@ module.exports = (async () => {
               const styleChunk = compilation.chunks.find((chunk) => (
                 chunk.chunkReason?.match(/split chunk \(cache group: styles\)/)
               ));
-              if (styleChunk) {
+              if (isProduction && styleChunk) {
                 const modules = styleChunk.getModules();
                 const styleFileHref = join(
                   compilation.options.output.publicPath,

packages/http/src/server/index.js

@@ -17,13 +17,13 @@ export default {
         neutrino.use(
           styleLoader({
             extract: {
-              enabled: 'http' === target,
+              enabled: isProduction && 'http' === target,
             },
             modules: {
               localIdentName: isProduction ? '[hash]' : '[path][name]__[local]',
             },
             style: {
-              injectType: 'lazyStyleTag',
+              injectType: 'http' === target ? 'styleTag' : 'lazyStyleTag',
             },
             test: /\.(c|s[ac])ss$/,
             modulesTest: /\.module\.(c|s[ac])ss$/,