Package library as @moduletrace/twui npm package

- Move components/ to src/ and compile to dist/ with tsc
- Add root barrel export plus deep-import subpath exports and base.css export
- Post-compile step: copy base.css, add .js import extensions, mark client modules
- Add publish.sh and .npmrc for the Gitea npm registry
- Fix type errors, guard TinyMCE env access, drop ace-builds type dependency
- Rename clashing props type names, remove Next.js scaffolding and unused deps

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/editors/TinyMCE/default-base-url.ts

@@ -0,0 +1,22 @@
+const FALLBACK_BASE_URL = "https://www.datasquirel.com/tinymce-public";
+
+/**
+ * Resolves the TinyMCE base URL from public env vars. Each lookup is wrapped
+ * in try/catch rather than a `typeof process` check: bundlers inline the full
+ * `process.env.X` expression, so the global `process` may still be undefined
+ * in the browser even when the value is available.
+ */
+export default function getTinyMCEDefaultBaseUrl(): string {
+    let nextUrl: string | undefined;
+    let bunextUrl: string | undefined;
+
+    try {
+        nextUrl = process.env.NEXT_PUBLIC_TINYMCE_BASE_URL;
+    } catch {}
+
+    try {
+        bunextUrl = process.env.BUNEXT_PUBLIC_TINYMCE_BASE_URL;
+    } catch {}
+
+    return nextUrl || bunextUrl || FALLBACK_BASE_URL;
+}