diff --git a/echolot-app/app/src/main/kotlin/app/echo_lot/app/MainActivity.kt b/echolot-app/app/src/main/kotlin/app/echo_lot/app/MainActivity.kt
index 603be7e..972f692 100644
--- a/echolot-app/app/src/main/kotlin/app/echo_lot/app/MainActivity.kt
+++ b/echolot-app/app/src/main/kotlin/app/echo_lot/app/MainActivity.kt
@@ -149,6 +149,20 @@ class MainActivity : ComponentActivity() {
                             screen = Screen.SETTINGS
                         }
                     }
+                    // Shizuku can be started, stopped or authorised in its own app, where nothing
+                    // calls back into this process. Asking again each time this screen comes
+                    // forward is what makes the banner right after the user has been away to fix
+                    // it — which is exactly the moment they look at it.
+                    val lifecycleOwner = androidx.compose.ui.platform.LocalLifecycleOwner.current
+                    androidx.compose.runtime.DisposableEffect(lifecycleOwner) {
+                        val obs = androidx.lifecycle.LifecycleEventObserver { _, event ->
+                            if (event == androidx.lifecycle.Lifecycle.Event.ON_RESUME) {
+                                vm.refreshShizuku()
+                            }
+                        }
+                        lifecycleOwner.lifecycle.addObserver(obs)
+                        onDispose { lifecycleOwner.lifecycle.removeObserver(obs) }
+                    }
                     androidx.compose.runtime.LaunchedEffect(autorun) {
                         if (autorun) vm.run(devUpload = true)
                     }
diff --git a/echolot-app/app/src/main/kotlin/app/echo_lot/app/RunViewModel.kt b/echolot-app/app/src/main/kotlin/app/echo_lot/app/RunViewModel.kt
index 2160fcc..05685ce 100644
--- a/echolot-app/app/src/main/kotlin/app/echo_lot/app/RunViewModel.kt
+++ b/echolot-app/app/src/main/kotlin/app/echo_lot/app/RunViewModel.kt
@@ -103,6 +103,23 @@ class RunViewModel(app: Application) : AndroidViewModel(app) {
         }
     }
 
+    /**
+     * Re-reads the shell tier's state, for when it changed somewhere this process cannot see.
+     *
+     * Permission can be granted inside Shizuku's own app, and Shizuku can be started or stopped
+     * there too; none of that calls back here. Asking again on resume is the only way to be right
+     * after the user has been somewhere else to fix it.
+     */
+    fun refreshShizuku() {
+        val st = ShizukuAvailability.current(getApplication())
+        state = state.copy(
+            shizukuNotice = ShizukuAvailability.describe(st),
+            shizukuReady = st == ShizukuAvailability.State.READY,
+            shizukuHint = ShizukuAvailability.actionHint(st),
+            shizukuState = st,
+        )
+    }
+
     override fun onCleared() {
         stopShizukuObserver()
         super.onCleared()
diff --git a/echolot-app/core-shizuku/src/main/kotlin/app/echo_lot/shizuku/ShizukuAvailability.kt b/echolot-app/core-shizuku/src/main/kotlin/app/echo_lot/shizuku/ShizukuAvailability.kt
index d634041..42f2c4c 100644
--- a/echolot-app/core-shizuku/src/main/kotlin/app/echo_lot/shizuku/ShizukuAvailability.kt
+++ b/echolot-app/core-shizuku/src/main/kotlin/app/echo_lot/shizuku/ShizukuAvailability.kt
@@ -98,20 +98,32 @@ object ShizukuAvailability {
             .addFlags(android.content.Intent.FLAG_ACTIVITY_NEW_TASK)
 
     /**
-     * Reports the state now and on every binder transition. Returns a function that removes the
-     * listeners again (call it from onCleared).
+     * Reports the state now, on every binder transition, and when a permission request is
+     * answered. Returns a function that removes the listeners again (call it from onCleared).
+     *
+     * The permission listener matters as much as the binder ones: granting permission does not
+     * make the binder arrive or die, so without it the banner still read "running but not
+     * authorised" after the user had just authorised it — the one moment they are looking for
+     * confirmation that it worked.
+     *
+     * It is still not sufficient on its own. Permission can be granted inside Shizuku's own app,
+     * where nothing calls back into this process at all, so callers should re-check on resume as
+     * well; see [current].
      */
     fun observe(context: Context, onChange: (State) -> Unit): () -> Unit {
         val app = context.applicationContext
         val received = Shizuku.OnBinderReceivedListener { onChange(current(app)) }
         val dead = Shizuku.OnBinderDeadListener { onChange(current(app)) }
+        val permission = Shizuku.OnRequestPermissionResultListener { _, _ -> onChange(current(app)) }
         // "Sticky" fires immediately if the binder already arrived before we registered.
         runCatching { Shizuku.addBinderReceivedListenerSticky(received) }
         runCatching { Shizuku.addBinderDeadListener(dead) }
+        runCatching { Shizuku.addRequestPermissionResultListener(permission) }
         onChange(current(app))
         return {
             runCatching { Shizuku.removeBinderReceivedListener(received) }
             runCatching { Shizuku.removeBinderDeadListener(dead) }
+            runCatching { Shizuku.removeRequestPermissionResultListener(permission) }
         }
     }
 }