serve embedded web assets directly

Author: RhysSullivan

.changeset/pre.json

@@ -29,6 +29,7 @@
     "green-bobcats-shop",
     "kind-cycles-hang",
     "ripe-yaks-sniff",
+    "tame-snakes-taste",
     "tiny-melons-jump"
   ]
 }

.changeset/tame-snakes-taste.md

@@ -0,0 +1,5 @@
+---
+"executor": patch
+---
+
+Fix embedded web asset serving in compiled binaries by serving Bun embedded files directly, and extend the release smoke test to verify root HTML plus JS/CSS asset responses.

apps/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "executor",
-  "version": "1.4.0-beta.5",
+  "version": "1.4.0-beta.6",
   "private": true,
   "type": "module",
   "bin": {

apps/cli/src/main.ts

@@ -151,12 +151,9 @@ const serveStatic = async (pathname: string): Promise<Response | null> => {
     const match = embeddedWebUI[key] ?? embeddedWebUI["index.html"] ?? null;
     if (!match) return null;
     const file = Bun.file(match);
-    if (await file.exists()) {
-      return new Response(file, {
-        headers: { "content-type": file.type || "application/octet-stream" },
-      });
-    }
-    return null;
+    return new Response(file, {
+      headers: { "content-type": file.type || "application/octet-stream" },
+    });
   }
 
   // Dev mode: serve from apps/web/dist on disk

bun.lock

@@ -208,6 +208,17 @@ describe("release bootstrap smoke", () => {
           const rootHtml = await rootResponse!.text();
           expect(rootHtml.toLowerCase()).toContain("<html");
 
+          const assetJs = rootHtml.match(/src="([^"]+\.js)"/)?.[1];
+          const assetCss = rootHtml.match(/href="([^"]+\.css)"/)?.[1];
+          expect(assetJs, rootHtml).toBeDefined();
+          expect(assetCss, rootHtml).toBeDefined();
+
+          const assetJsResponse = await fetch(`http://127.0.0.1:${webPort}${assetJs}`);
+          expect(assetJsResponse.status, `${webStdout}\n${webStderr}`).toBe(200);
+
+          const assetCssResponse = await fetch(`http://127.0.0.1:${webPort}${assetCss}`);
+          expect(assetCssResponse.status, `${webStdout}\n${webStderr}`).toBe(200);
+
           const docsResponse = await fetch(`http://127.0.0.1:${webPort}/docs`);
           expect(docsResponse.status, `${webStdout}\n${webStderr}`).toBe(200);