diff --git a/mobile/modules/crust/android/src/main/java/com/mentra/crust/jsc/JSCRuntime.kt b/mobile/modules/crust/android/src/main/java/com/mentra/crust/jsc/JSCRuntime.kt
index 5823aee177..756842742b 100644
--- a/mobile/modules/crust/android/src/main/java/com/mentra/crust/jsc/JSCRuntime.kt
+++ b/mobile/modules/crust/android/src/main/java/com/mentra/crust/jsc/JSCRuntime.kt
@@ -459,15 +459,15 @@ class JSCRuntime private constructor(private val appContext: Context) {
      */
     fun dispatchToJs(packageName: String, envelopeJson: String) {
         val record = contexts[packageName] ?: return
-        // Steady-state NACK — re-arm so a wedged QuickJS context surfaces
-        // an __error/ready_nack frame after 3s instead of silently
-        // swallowing the delivery. Skipped during cold-start (timer still
-        // ticking from spawn).
-        if (record.readyAcked) {
-            armReadyNackTimer(record, STEADY_STATE_NACK_TIMEOUT_MS, cold = false)
-        }
         try {
             record.executor.submit {
+                // Steady-state NACK — re-arm inside the per-context executor so
+                // the timer measures the actual __deliver call, not time spent
+                // waiting behind earlier queued work. Skipped during cold-start
+                // (timer still ticking from spawn).
+                if (record.readyAcked) {
+                    armReadyNackTimer(record, STEADY_STATE_NACK_TIMEOUT_MS, cold = false)
+                }
                 // Soft watchdog around evaluate: warn at 5s, kill at 30s.
                 val warn = timerScheduler.schedule({
                     Log.i(TAG, "watchdog: $packageName __deliver blocked >${WATCHDOG_WARN_MS}ms")
diff --git a/mobile/modules/island/src/services/MentraJSRouter.ts b/mobile/modules/island/src/services/MentraJSRouter.ts
index 9eea6c6315..e2fa6a9854 100644
--- a/mobile/modules/island/src/services/MentraJSRouter.ts
+++ b/mobile/modules/island/src/services/MentraJSRouter.ts
@@ -466,7 +466,11 @@ export class MentraJSRouter {
     //    dead and let the host surface a "tap to retry" banner.
     if (iface === "__error") {
       const payload = this.tryParseArgs(msg.argsJson)
-      this.logger.error(`[${packageName}] ${method}`, payload)
+      if (method === "ready_nack") {
+        this.logger.warn(`[${packageName}] ${method}`, payload)
+      } else {
+        this.logger.error(`[${packageName}] ${method}`, payload)
+      }
       if (this.crashController) {
         // Only treat "exception" + "unhandledRejection" + "uncaught" as
         // crash signals. `console.error` calls also flow through the
diff --git a/mobile/modules/island/src/services/__tests__/MentraJSRouter.test.ts b/mobile/modules/island/src/services/__tests__/MentraJSRouter.test.ts
index e4b2eda51e..12b67d5b9a 100644
--- a/mobile/modules/island/src/services/__tests__/MentraJSRouter.test.ts
+++ b/mobile/modules/island/src/services/__tests__/MentraJSRouter.test.ts
@@ -252,6 +252,18 @@ describe("MentraJSRouter", () => {
     expect(logger.error).toHaveBeenCalledTimes(1)
   })
 
+  test("ready_nack logs as warning instead of dev-overlay error", () => {
+    router.start()
+    crust.emit("mentrajs_message", {
+      packageName: "com.foo",
+      iface: "__error",
+      method: "ready_nack",
+      argsJson: '{"phase":"steady-state","timeoutMs":3000}',
+    })
+    expect(logger.warn).toHaveBeenCalledTimes(1)
+    expect(logger.error).not.toHaveBeenCalled()
+  })
+
   test("unknown iface logs a debug line but does NOT crash", () => {
     router.start()
     crust.emit("mentrajs_message", {