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/@shikijs/langs/dist/html-derivative.mjs

@@ -0,0 +1,8 @@
+import html from './html.mjs'
+
+const lang = Object.freeze(JSON.parse("{\"displayName\":\"HTML (Derivative)\",\"injections\":{\"R:text.html - (comment.block, text.html meta.embedded, meta.tag.*.*.html, meta.tag.*.*.*.html, meta.tag.*.*.*.*.html)\":{\"patterns\":[{\"match\":\"<\",\"name\":\"invalid.illegal.bad-angle-bracket.html\"}]}},\"name\":\"html-derivative\",\"patterns\":[{\"include\":\"text.html.basic#core-minus-invalid\"},{\"begin\":\"(</?)(\\\\w[^<>\\\\s]*)(?<!/)\",\"beginCaptures\":{\"1\":{\"name\":\"punctuation.definition.tag.begin.html\"},\"2\":{\"name\":\"entity.name.tag.html\"}},\"end\":\"((?: ?/)?>)\",\"endCaptures\":{\"1\":{\"name\":\"punctuation.definition.tag.end.html\"}},\"name\":\"meta.tag.other.unrecognized.html.derivative\",\"patterns\":[{\"include\":\"text.html.basic#attribute\"}]}],\"scopeName\":\"text.html.derivative\",\"embeddedLangs\":[\"html\"]}"))
+
+export default [
+...html,
+lang
+]