Frontend uudelleenrakennettu: Astro-komponentit, Wasm pääsäikeessä, ei Workeria

Vanha frontend siirretty temp/. Uusi rakenne:
- StatusBar.astro, Terminal.astro, Editor.astro, Guide.astro
- global.css erillinen
- Wasm pääsäikeessä (ei Worker — yksinkertainen, debugattava)
- Tab-completion, dropdown, projektikortti, Monaco, GUIDE.md
- Ei tokenisointia eikä koodilaboratoriota

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

network-poc/frontend/node_modules/astro/dist/vite-plugin-pages/util.js

@@ -0,0 +1,15 @@
+import { fileExtension } from "@astrojs/internal-helpers/path";
+import { VIRTUAL_PAGE_MODULE_ID } from "./const.js";
+const ASTRO_PAGE_EXTENSION_POST_PATTERN = "@_@";
+function getVirtualModulePageName(virtualModulePrefix, path) {
+  const extension = fileExtension(path);
+  return virtualModulePrefix + (extension.startsWith(".") ? path.slice(0, -extension.length) + extension.replace(".", ASTRO_PAGE_EXTENSION_POST_PATTERN) : path);
+}
+function getVirtualModulePageNameForComponent(component) {
+  const virtualModuleName = getVirtualModulePageName(VIRTUAL_PAGE_MODULE_ID, component);
+  return virtualModuleName;
+}
+export {
+  getVirtualModulePageName,
+  getVirtualModulePageNameForComponent
+};