diff --git a/apps/android/app/src/main/java/com/steipete/clawdis/node/NodeRuntime.kt b/apps/android/app/src/main/java/com/steipete/clawdis/node/NodeRuntime.kt
index 61110a578..7fec59073 100644
--- a/apps/android/app/src/main/java/com/steipete/clawdis/node/NodeRuntime.kt
+++ b/apps/android/app/src/main/java/com/steipete/clawdis/node/NodeRuntime.kt
@@ -422,11 +422,11 @@ class NodeRuntime(context: Context) {
   }
 
   private suspend fun handleInvoke(command: String, paramsJson: String?): BridgeSession.InvokeResult {
-    if (command.startsWith("screen.") || command.startsWith("camera.")) {
+    if (command.startsWith("canvas.") || command.startsWith("camera.")) {
       if (!isForeground.value) {
         return BridgeSession.InvokeResult.error(
           code = "NODE_BACKGROUND_UNAVAILABLE",
-          message = "NODE_BACKGROUND_UNAVAILABLE: screen/camera commands require foreground",
+          message = "NODE_BACKGROUND_UNAVAILABLE: canvas/camera commands require foreground",
         )
       }
     }
@@ -438,19 +438,19 @@ class NodeRuntime(context: Context) {
     }
 
     return when (command) {
-      "screen.show" -> BridgeSession.InvokeResult.ok(null)
-      "screen.hide" -> BridgeSession.InvokeResult.ok(null)
-      "screen.setMode" -> {
+      "canvas.show" -> BridgeSession.InvokeResult.ok(null)
+      "canvas.hide" -> BridgeSession.InvokeResult.ok(null)
+      "canvas.setMode" -> {
         val mode = CanvasController.parseMode(paramsJson)
         canvas.setMode(mode)
         BridgeSession.InvokeResult.ok(null)
       }
-      "screen.navigate" -> {
+      "canvas.navigate" -> {
         val url = CanvasController.parseNavigateUrl(paramsJson)
         if (url != null) canvas.navigate(url)
         BridgeSession.InvokeResult.ok(null)
       }
-      "screen.eval" -> {
+      "canvas.eval" -> {
         val js =
           CanvasController.parseEvalJs(paramsJson)
             ?: return BridgeSession.InvokeResult.error(
@@ -468,7 +468,7 @@ class NodeRuntime(context: Context) {
           }
         BridgeSession.InvokeResult.ok("""{"result":${result.toJsonString()}}""")
       }
-      "screen.snapshot" -> {
+      "canvas.snapshot" -> {
         val maxWidth = CanvasController.parseSnapshotMaxWidth(paramsJson)
         val base64 =
           try {
diff --git a/apps/android/app/src/test/java/com/steipete/clawdis/node/bridge/BridgeSessionTest.kt b/apps/android/app/src/test/java/com/steipete/clawdis/node/bridge/BridgeSessionTest.kt
index b47a85302..2db4d91d1 100644
--- a/apps/android/app/src/test/java/com/steipete/clawdis/node/bridge/BridgeSessionTest.kt
+++ b/apps/android/app/src/test/java/com/steipete/clawdis/node/bridge/BridgeSessionTest.kt
@@ -185,7 +185,7 @@ class BridgeSessionTest {
             writer.flush()
 
             // Ask the node to invoke something; handler will throw.
-            writer.write("""{"type":"invoke","id":"i1","command":"screen.snapshot","paramsJSON":null}""")
+            writer.write("""{"type":"invoke","id":"i1","command":"canvas.snapshot","paramsJSON":null}""")
             writer.write("\n")
             writer.flush()
 
diff --git a/apps/ios/Sources/Model/NodeAppModel.swift b/apps/ios/Sources/Model/NodeAppModel.swift
index 01f76eadf..bd3c4e049 100644
--- a/apps/ios/Sources/Model/NodeAppModel.swift
+++ b/apps/ios/Sources/Model/NodeAppModel.swift
@@ -265,16 +265,15 @@ final class NodeAppModel {
     }
 
     private func handleInvoke(_ req: BridgeInvokeRequest) async -> BridgeInvokeResponse {
-        // Alias for "canvas" capability: accept canvas.* commands and map them to screen.*.
-        let command = ClawdisInvokeCommandAliases.canonicalizeCanvasToScreen(req.command)
+        let command = req.command
 
-        if command.hasPrefix("screen.") || command.hasPrefix("camera."), self.isBackgrounded {
+        if command.hasPrefix("canvas.") || command.hasPrefix("camera."), self.isBackgrounded {
             return BridgeInvokeResponse(
                 id: req.id,
                 ok: false,
                 error: ClawdisNodeError(
                     code: .backgroundUnavailable,
-                    message: "NODE_BACKGROUND_UNAVAILABLE: screen/camera commands require foreground"))
+                    message: "NODE_BACKGROUND_UNAVAILABLE: canvas/camera commands require foreground"))
         }
 
         if command.hasPrefix("camera."), !self.isCameraEnabled() {
diff --git a/apps/shared/ClawdisKit/Sources/ClawdisKit/ScreenCommands.swift b/apps/shared/ClawdisKit/Sources/ClawdisKit/ScreenCommands.swift
index 665562e5e..fd9553f38 100644
--- a/apps/shared/ClawdisKit/Sources/ClawdisKit/ScreenCommands.swift
+++ b/apps/shared/ClawdisKit/Sources/ClawdisKit/ScreenCommands.swift
@@ -6,12 +6,12 @@ public enum ClawdisScreenMode: String, Codable, Sendable {
 }
 
 public enum ClawdisScreenCommand: String, Codable, Sendable {
-    case show = "screen.show"
-    case hide = "screen.hide"
-    case setMode = "screen.setMode"
-    case navigate = "screen.navigate"
-    case evalJS = "screen.eval"
-    case snapshot = "screen.snapshot"
+    case show = "canvas.show"
+    case hide = "canvas.hide"
+    case setMode = "canvas.setMode"
+    case navigate = "canvas.navigate"
+    case evalJS = "canvas.eval"
+    case snapshot = "canvas.snapshot"
 }
 
 public struct ClawdisScreenNavigateParams: Codable, Sendable, Equatable {