diff --git a/packages/cultmesh-ts/src/realtime-quic-native.ts b/packages/cultmesh-ts/src/realtime-quic-native.ts
index 0eb1242e..eab33595 100644
--- a/packages/cultmesh-ts/src/realtime-quic-native.ts
+++ b/packages/cultmesh-ts/src/realtime-quic-native.ts
@@ -217,22 +217,26 @@ function loadBindings(): NativeBindings {
   const { promisify } = require("node:util") as typeof import("node:util");
   const nextEventAsync = promisify(nextEvent.async) as NativeBindings["nextEventAsync"];
 
+  // Every `_Out_` parameter still occupies a call-site slot in this koffi
+  // version (an arity check rejects a shorter call); its value is written
+  // back through the named field on the returned object regardless of what
+  // was passed here, so `null` is a safe placeholder at each such slot.
   bindingsCache = {
-    runtimeOpen: (appName) => runtimeOpen(appName),
+    runtimeOpen: (appName) => runtimeOpen(appName, null),
     runtimeClose: (runtime) => runtimeClose(runtime),
     listenerOpen: (runtime, host, port, pkcs12, pkcs12Length, password) =>
-      listenerOpen(runtime, host, port, pkcs12, pkcs12Length, password),
+      listenerOpen(runtime, host, port, pkcs12, pkcs12Length, password, null, null),
     listenerClose: (runtime, listenerId) => listenerClose(runtime, listenerId),
-    connectionOpen: (runtime, host, port) => connectionOpen(runtime, host, port),
+    connectionOpen: (runtime, host, port) => connectionOpen(runtime, host, port, null),
     connectionCertificateComplete: (runtime, connectionId, accept) =>
       connectionCertificateComplete(runtime, connectionId, accept),
     connectionShutdown: (runtime, connectionId, code) => connectionShutdown(runtime, connectionId, code),
-    streamOpen: (runtime, connectionId, kind) => streamOpen(runtime, connectionId, kind),
+    streamOpen: (runtime, connectionId, kind) => streamOpen(runtime, connectionId, kind, null),
     streamSendFrame: (runtime, streamId, encodedFrame, length, fin) =>
       streamSendFrame(runtime, streamId, encodedFrame, length, fin),
     streamShutdown: (runtime, streamId, code) => streamShutdown(runtime, streamId, code),
     nextEventAsync: (runtime, timeoutMs, payload, payloadCapacity) =>
-      nextEventAsync(runtime, timeoutMs, payload, payloadCapacity) as Promise<KoffiOutResult<NativeEventStruct>>,
+      nextEventAsync(runtime, timeoutMs, null, payload, payloadCapacity, null) as Promise<KoffiOutResult<NativeEventStruct>>,
     lastError: (runtime, destination, capacity) => lastError(runtime, destination, capacity),
     lastStatus: (runtime) => lastStatus(runtime),
   };
diff --git a/packages/cultmesh-ts/test/realtime-quic-consumer.test.ts b/packages/cultmesh-ts/test/realtime-quic-consumer.test.ts
index 8e4128fb..9b3104a9 100644
--- a/packages/cultmesh-ts/test/realtime-quic-consumer.test.ts
+++ b/packages/cultmesh-ts/test/realtime-quic-consumer.test.ts
@@ -245,13 +245,16 @@ function base64UrlToBase64(value: string): string {
   return base64;
 }
 
+let odinRootSequence = 0;
+
 function generateOdinRoot(): { privateKey: KeyObject; publicKey: CultMeshP256PublicKey } {
   const { publicKey, privateKey } = generateKeyPairSync("ec", { namedCurve: "prime256v1" });
   const jwk = publicKey.export({ format: "jwk" }) as { x: string; y: string };
+  odinRootSequence += 1;
   return {
     privateKey,
     publicKey: {
-      keyId: "odin-root-1",
+      keyId: `odin-root-${odinRootSequence}`,
       x: base64UrlToBase64(jwk.x),
       y: base64UrlToBase64(jwk.y),
     },
diff --git a/packages/cultmesh-ts/test/realtime-quic-native.test.ts b/packages/cultmesh-ts/test/realtime-quic-native.test.ts
index 660a83d9..ebde8eea 100644
--- a/packages/cultmesh-ts/test/realtime-quic-native.test.ts
+++ b/packages/cultmesh-ts/test/realtime-quic-native.test.ts
@@ -137,7 +137,9 @@ test("a full loopback connection delivers one raw frame end to end", async (t) =
 });
 
 test("negative grep: no koffi callbacks, .async only on nextEvent", () => {
-  const source = readFileSync(join(__dirname, "..", "src", "realtime-quic-native.ts"), "utf8");
+  // __dirname at runtime is dist-test/test; the source lives two levels up,
+  // in src/, since only .js output is mirrored under dist-test.
+  const source = readFileSync(join(__dirname, "..", "..", "src", "realtime-quic-native.ts"), "utf8");
   const asyncUses = [...source.matchAll(/\.async\(/g)];
   assert.ok(asyncUses.length > 0, "expected at least one .async( use for nextEvent");
   for (const match of asyncUses) {