node:worker_threads: rebind console output sink instead of replacing the global console

src/codegen/generate-js2native.ts

@@ -45,6 +45,7 @@ const sourceFiles = readdirRecursiveWithExclusionsAndExtensionsSync(
 // requires adding its entry below.
 const rustIdentifierPaths: Record<string, string> = {
   "bun.rs": "bun.rs",
+  "ConsoleObject.rs": "jsc/ConsoleObject.rs",
   "Counters.rs": "jsc/Counters.rs",
   "FrameworkRouter.rs": "runtime/bake/FrameworkRouter.rs",
   "Listener.rs": "runtime/socket/Listener.rs",

src/js/node/worker_threads.ts

@@ -469,10 +469,18 @@ function setupWorkerStdio(stdio) {
     enumerable: true,
   });
   // node routes console.log through process.stdout/stderr; Bun's global console
-  // writes the fd directly, so rebind it to the captured streams when present.
+  // writes the fd directly. Rebind its output sink to the port-backed streams
+  // so console.log/warn/error/trace/count/time* are captured by
+  // worker.stdout/stderr, while keeping Bun's formatter and the global console
+  // object itself (so console.write, Symbol.asyncIterator, console.Console
+  // remain reachable). Those Bun-specific APIs address the process fds by
+  // design and are not routed through the port.
   if (stdout || stderr) {
-    const { Console } = require("node:console");
-    globalThis.console = new Console(process.stdout, process.stderr);
+    $newRustFunction(
+      "ConsoleObject.rs",
+      "setOutputStreams",
+      2,
+    )(stdout ? process.stdout : undefined, stderr ? process.stderr : undefined);
   }
 }