test(aihorde): guard client browser bundles (#10682)

Merged — locally validated (typecheck:core clean, gates green). Thanks for the extra regression coverage!

tests/unit/media-page-client-browser-bundle.test.ts

@@ -0,0 +1,34 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { fileURLToPath } from "node:url";
+
+import { build } from "esbuild";
+
+const REPO_ROOT = fileURLToPath(new URL("../..", import.meta.url));
+
+async function assertBrowserBundleSafe(relativePath: string) {
+  await assert.doesNotReject(
+    build({
+      absWorkingDir: REPO_ROOT,
+      entryPoints: [fileURLToPath(new URL(relativePath, import.meta.url))],
+      bundle: true,
+      format: "esm",
+      logLevel: "silent",
+      platform: "browser",
+      tsconfig: "tsconfig.json",
+      write: false,
+    })
+  );
+}
+
+test("media page client entry stays browser-bundle safe", async () => {
+  await assertBrowserBundleSafe(
+    "../../src/app/(dashboard)/dashboard/cache/media/MediaPageClient.tsx"
+  );
+});
+
+test("provider detail client entry stays browser-bundle safe", async () => {
+  await assertBrowserBundleSafe(
+    "../../src/app/(dashboard)/dashboard/providers/[id]/ProviderDetailPageClient.tsx"
+  );
+});