refactor: add more typings and clean up export/build flows

Author: wyattjoh

packages/next-swc/crates/next-core/js/src/internal/nodejs-proxy-handler.ts

@@ -42,7 +42,7 @@ export default (routeModule: AppRouteRouteModule) => {
           previewModeId: 'development-id',
         } as any,
       },
-      staticGenerationContext: {
+      renderOpts: {
         supportsDynamicHTML: true,
       },
     }