chore(rsc): change starter server export to export default { fetch } (#1077)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: hi-ogawa

packages/plugin-rsc/examples/e2e/middleware-mode.ts

@@ -28,7 +28,7 @@ async function main() {
     const entry = await import(
       pathToFileURL(path.resolve('dist/rsc/index.js')).href
     )
-    app.use(toNodeHandler(entry.default) as any)
+    app.use(toNodeHandler(entry.default.fetch) as any)
   } else {
     console.error(`Unknown command: ${command}`)
     process.exitCode = 1

packages/plugin-rsc/examples/starter/src/framework/entry.rsc.tsx

@@ -25,7 +25,9 @@ export type RscPayload = {
 
 // the plugin by default assumes `rsc` entry having default export of request handler.
 // however, how server entries are executed can be customized by registering own server handler.
-export default async function handler(request: Request): Promise<Response> {
+export default { fetch: handler }
+
+async function handler(request: Request): Promise<Response> {
   // differentiate RSC, SSR, action, etc.
   const renderRequest = parseRenderRequest(request)
   request = renderRequest.request