feat: add safe project upgrades and production performance fixes

packages/dev-server/src/prod.ts

@@ -75,6 +75,8 @@ export interface ProdOptions {
   theme?: ResolvedTheme;
   /** Absolute path to the pre-built Wire UI stylesheet (`ui.css`). */
   uiCssPath?: string;
+  /** Combined production theme + Wire UI stylesheet. */
+  frameworkCssPath?: string;
   /** Pre-built `window.__wireSchemas = {...}` script for client validation. */
   schemasJs?: string;
   /** Resolved i18n bundle (default lang + locale messages). */
@@ -216,6 +218,8 @@ function createProdAssetServer(opts: ProdOptions): AssetServer {
       if (pathname === "/__wrnexus/theme.css") return serveFile(opts.themePath, CSS_HEADERS);
       if (pathname === "/__wrnexus/theme.js") return serveFile(opts.themeJsPath, JS_HEADERS);
       if (pathname === "/__wrnexus/ui.css") return serveFile(opts.uiCssPath, CSS_HEADERS);
+      if (pathname === "/__wrnexus/framework.css")
+        return serveFile(opts.frameworkCssPath, CSS_HEADERS);
       if (pathname === "/__wrnexus/styles.css") return serveFile(opts.stylesPath, CSS_HEADERS);
       return servePublicAsset(opts.publicDir, pathname, MODE);
     },
@@ -279,6 +283,7 @@ export function createProductionHandlers(
     assets,
     hasStyles: !!opts.stylesPath,
     hasUi: !!opts.uiCssPath,
+    hasFrameworkStyles: !!opts.frameworkCssPath,
     theme: opts.theme,
     i18n: opts.i18n,
     inlineStyles: opts.inlineStyles,