fix(csr): prevent native output recursion

packages/csr/src/reactive-runtime.ts

@@ -2512,6 +2512,11 @@ export const REACTIVE_RUNTIME = String.raw`
 
         var stmt = attr.value;
         var listener = function (event) {
+          // An unbound output falls back to a same-named CustomEvent for
+          // external consumers. Do not feed that synthetic event back into
+          // the component's own declarative DOM handler (for example,
+          // @click="output.click()"), which would recurse indefinitely.
+          if (event && event.__wrnexusComponentOutput) return;
           var locals =
             decodeLoopLocals(node);
 
@@ -4167,6 +4172,7 @@ export const REACTIVE_RUNTIME = String.raw`
       bubbles: true,
       detail: detail || {},
     });
+    event.__wrnexusComponentOutput = true;
     root.dispatchEvent(event);
     // Compatibility for applications using the former prefixed contract.
     root.dispatchEvent(new EventConstructor("wrnexus:" + String(name), {