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/actions/utils.d.ts

@@ -0,0 +1,10 @@
+import type fsMod from 'node:fs';
+import type { APIContext } from '../types/public/context.js';
+import type { ActionAPIContext, ActionsLocals } from './runtime/types.js';
+export declare function hasActionPayload(locals: APIContext['locals']): locals is ActionsLocals;
+export declare function createGetActionResult(locals: APIContext['locals']): APIContext['getActionResult'];
+export declare function createCallAction(context: ActionAPIContext): APIContext['callAction'];
+/**
+ * Check whether the Actions config file is present.
+ */
+export declare function isActionsFilePresent(fs: typeof fsMod, srcDir: URL): Promise<string | false>;