abort override-rolldown script if pnpm install fails

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Co-Authored-By: Claude <[email protected]>

Author: Boshen

tools/override-rolldown.mjs

@@ -120,7 +120,8 @@ function installDependencies() {
     return true;
   } catch (error) {
     console.error("❌ Error installing dependencies:", error.message);
-    return false;
+    console.error("❌ Aborting due to pnpm install failure");
+    process.exit(1);
   }
 }