fix(apps/amm): surface wallet action failures

apps/amm/qml/components/wallet/AccountControl.qml

@@ -97,6 +97,20 @@ Item {
         clipboardProxy.text = ""
     }
 
+    function showWalletMessage(title, message) {
+        walletMessageDialog.title = title
+        walletMessageDialog.message = message
+        walletMessageDialog.open()
+    }
+
+    function finishAccountCreation(accountId, fallbackError) {
+        createAccountDialog.busy = false
+        if (accountId && accountId.length > 0)
+            createAccountDialog.close()
+        else
+            createAccountDialog.createError = fallbackError
+    }
+
     implicitWidth: root.connected ? connectedButton.width : connectButton.width
     implicitHeight: 40
 
@@ -113,8 +127,17 @@ Item {
             // Re-open an existing wallet; only show the create modal on first run.
             if (root.backend && root.backend.walletExists)
                 logos.watch(root.backend.openExisting(),
-                    function(ok) { if (!ok) console.warn("openExisting failed") },
-                    function(error) { console.warn("openExisting error:", error) })
+                    function(ok) {
+                        if (!ok)
+                            root.showWalletMessage(
+                                qsTr("Unable to connect wallet"),
+                                qsTr("The existing wallet could not be opened. Check the wallet files and try again."))
+                    },
+                    function(error) {
+                        root.showWalletMessage(
+                            qsTr("Unable to connect wallet"),
+                            qsTr("Error opening wallet: %1").arg(error))
+                    })
             else
                 createWalletDialog.open()
         }
@@ -490,16 +513,38 @@ Item {
     CreateAccountDialog {
         id: createAccountDialog
         onCreatePublicRequested: {
-            if (!root.backend) return
+            if (!root.backend) {
+                root.finishAccountCreation("", qsTr("Wallet backend is unavailable. Reconnect and try again."))
+                return
+            }
+            createAccountDialog.createError = ""
             logos.watch(root.backend.createAccountPublic(),
-                function(_id) { /* model updates via NOTIFY after refresh */ },
-                function(error) { console.warn("createAccountPublic failed:", error) })
+                function(id) {
+                    root.finishAccountCreation(id, qsTr("Failed to create account. Please try again."))
+                },
+                function(error) {
+                    createAccountDialog.busy = false
+                    createAccountDialog.createError = qsTr("Error creating account: %1").arg(error)
+                })
         }
         onCreatePrivateRequested: {
-            if (!root.backend) return
+            if (!root.backend) {
+                root.finishAccountCreation("", qsTr("Wallet backend is unavailable. Reconnect and try again."))
+                return
+            }
+            createAccountDialog.createError = ""
             logos.watch(root.backend.createAccountPrivate(),
-                function(_id) { /* model updates via NOTIFY after refresh */ },
-                function(error) { console.warn("createAccountPrivate failed:", error) })
+                function(id) {
+                    root.finishAccountCreation(id, qsTr("Failed to create private account. Please try again."))
+                },
+                function(error) {
+                    createAccountDialog.busy = false
+                    createAccountDialog.createError = qsTr("Error creating private account: %1").arg(error)
+                })
         }
     }
+
+    WalletMessageDialog {
+        id: walletMessageDialog
+    }
 }

apps/amm/qml/components/wallet/CreateAccountDialog.qml

@@ -9,13 +9,18 @@ import Logos.Controls
 Popup {
     id: root
 
+    property string createError: ""
+    property bool busy: false
+
     signal createPublicRequested()
     signal createPrivateRequested()
 
     modal: true
     dim: true
     padding: Theme.spacing.large
-    closePolicy: Popup.CloseOnEscape | Popup.CloseOnPressOutside
+    closePolicy: root.busy
+                 ? Popup.NoAutoClose
+                 : (Popup.CloseOnEscape | Popup.CloseOnPressOutside)
 
     // Center on the full-window overlay rather than the small navbar control
     // this popup is declared inside.
@@ -23,6 +28,11 @@ Popup {
     anchors.centerIn: parent
     width: 360
 
+    onOpened: {
+        root.createError = ""
+        root.busy = false
+    }
+
     background: Rectangle {
         color: Theme.palette.backgroundSecondary
         radius: Theme.spacing.radiusXlarge
@@ -74,9 +84,19 @@ Popup {
             LogosSwitch {
                 id: privateSwitch
                 checked: false
+                enabled: !root.busy
             }
         }
 
+        LogosText {
+            Layout.fillWidth: true
+            visible: root.createError.length > 0
+            text: root.createError
+            wrapMode: Text.WordWrap
+            font.pixelSize: Theme.typography.secondaryText
+            color: Theme.palette.error
+        }
+
         RowLayout {
             Layout.topMargin: Theme.spacing.medium
             spacing: Theme.spacing.medium
@@ -84,17 +104,20 @@ Popup {
             LogosButton {
                 text: qsTr("Cancel")
                 Layout.fillWidth: true
+                enabled: !root.busy
                 onClicked: root.close()
             }
             LogosButton {
-                text: qsTr("Create")
+                text: root.busy ? qsTr("Creating...") : qsTr("Create")
                 Layout.fillWidth: true
+                enabled: !root.busy
                 onClicked: {
+                    root.createError = ""
+                    root.busy = true
                     if (privateSwitch.checked)
                         root.createPrivateRequested()
                     else
                         root.createPublicRequested()
-                    root.close()
                 }
             }
         }

apps/amm/qml/components/wallet/WalletMessageDialog.qml

@@ -0,0 +1,58 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import Logos.Theme
+import Logos.Controls
+
+Popup {
+    id: root
+
+    property string title: qsTr("Wallet error")
+    property string message: ""
+    property string acceptLabel: qsTr("OK")
+
+    modal: true
+    dim: true
+    padding: Theme.spacing.large
+    closePolicy: Popup.CloseOnEscape | Popup.CloseOnPressOutside
+
+    parent: Overlay.overlay
+    anchors.centerIn: parent
+    width: 360
+
+    background: Rectangle {
+        color: Theme.palette.backgroundSecondary
+        radius: Theme.spacing.radiusXlarge
+        border.color: Theme.palette.backgroundElevated
+    }
+
+    contentItem: ColumnLayout {
+        width: root.availableWidth
+        spacing: Theme.spacing.large
+
+        LogosText {
+            Layout.fillWidth: true
+            text: root.title
+            wrapMode: Text.WordWrap
+            font.pixelSize: Theme.typography.titleText
+            font.weight: Theme.typography.weightBold
+            color: Theme.palette.text
+        }
+
+        LogosText {
+            Layout.fillWidth: true
+            text: root.message
+            wrapMode: Text.WordWrap
+            font.pixelSize: Theme.typography.secondaryText
+            color: Theme.palette.textSecondary
+        }
+
+        LogosButton {
+            Layout.fillWidth: true
+            Layout.topMargin: Theme.spacing.medium
+            text: root.acceptLabel
+            onClicked: root.close()
+        }
+    }
+}