feat(wallet): humanize shared wallet experience

Consolidate wallet account decoding and portfolio handling around the shared Rust IDL decoder. Simplify AMM wallet integration, remove obsolete caches and network plumbing, and cover account selection and live flows.

apps/shared/wallet/qml/TransactionConfirmationDialog.qml

@@ -9,12 +9,21 @@ Popup {
     property string cancelText: qsTr("Cancel")
     property string confirmText: qsTr("Confirm")
     property bool busy: false
+    property string busyText: qsTr("Submitting…")
+    property bool activityBusy: false
+    property string activityText: qsTr("Updating…")
+    property bool showInlineBusyIndicator: true
     property var snapshot: ({})
     property Component summary: null
     property bool confirmationPending: false
+    property bool confirmEnabled: true
+    property bool roundedCancelButton: false
+    property bool closeWhenSettled: true
+    readonly property bool actionPending: root.busy || root.activityBusy
 
     signal canceled
     signal confirmed(var snapshot)
+    signal summaryEdited(var snapshot)
 
     modal: true
     dim: true
@@ -40,7 +49,14 @@ Popup {
         root.snapshot = root.cloneSnapshot(nextSnapshot)
         root.confirmationPending = false
         root.open()
-        cancelButton.forceActiveFocus()
+        Qt.callLater(function() {
+            if (cancelButtonLoader.item)
+                cancelButtonLoader.item.forceActiveFocus()
+        })
+    }
+
+    function updateSnapshot(nextSnapshot) {
+        root.snapshot = root.cloneSnapshot(nextSnapshot)
     }
 
     function cancel() {
@@ -52,7 +68,7 @@ Popup {
     }
 
     function confirm() {
-        if (root.busy)
+        if (root.actionPending || !root.confirmEnabled)
             return
         root.confirmationPending = true
         root.confirmed(root.snapshot)
@@ -62,10 +78,21 @@ Popup {
         }
     }
 
+    Connections {
+        target: summaryLoader.item
+        ignoreUnknownSignals: true
+
+        function onSnapshotEdited(snapshot) {
+            root.updateSnapshot(snapshot)
+            root.summaryEdited(root.snapshot)
+        }
+    }
+
     onBusyChanged: {
         if (!root.busy && root.confirmationPending) {
             root.confirmationPending = false
-            root.close()
+            if (root.closeWhenSettled)
+                root.close()
         }
     }
 
@@ -117,26 +144,37 @@ Popup {
             }
         }
 
-        BusyIndicator {
+        Item {
+            id: inlineBusyIndicator
+
+            property bool active: root.showInlineBusyIndicator && root.actionPending
             Layout.alignment: Qt.AlignHCenter
-            visible: root.busy
-            running: root.busy
-            Accessible.name: qsTr("Submitting transaction")
+            Layout.preferredWidth: active ? busySpinner.implicitWidth : 0
+            Layout.preferredHeight: active ? busySpinner.implicitHeight : 0
+            implicitWidth: busySpinner.implicitWidth
+            implicitHeight: busySpinner.implicitHeight
+            visible: active
+
+            BusyIndicator {
+                id: busySpinner
+
+                anchors.centerIn: parent
+                running: inlineBusyIndicator.active
+                Accessible.name: root.busy ? root.busyText : root.activityText
+            }
         }
 
         RowLayout {
             Layout.fillWidth: true
             spacing: 10
 
-            Button {
-                id: cancelButton
-                objectName: "transactionCancelButton"
+            Loader {
+                id: cancelButtonLoader
+                objectName: "transactionCancelButtonLoader"
                 Layout.fillWidth: true
-                implicitHeight: 44
-                text: root.cancelText
-                enabled: !root.busy
-                Accessible.name: text
-                onClicked: root.cancel()
+                Layout.preferredHeight: 44
+                sourceComponent: root.roundedCancelButton
+                                 ? roundedCancelButtonComponent : defaultCancelButtonComponent
             }
 
             Button {
@@ -144,8 +182,8 @@ Popup {
                 objectName: "transactionConfirmButton"
                 Layout.fillWidth: true
                 implicitHeight: 44
-                text: root.busy ? qsTr("Submitting...") : root.confirmText
-                enabled: !root.busy
+                text: root.busy ? root.busyText : root.confirmText
+                enabled: !root.actionPending && root.confirmEnabled
                 Accessible.name: text
                 onClicked: root.confirm()
 
@@ -166,4 +204,48 @@ Popup {
             }
         }
     }
+
+    Component {
+        id: defaultCancelButtonComponent
+
+        Button {
+            objectName: "transactionCancelButton"
+            anchors.fill: parent
+            text: root.cancelText
+            enabled: !root.busy
+            Accessible.name: text
+            onClicked: root.cancel()
+        }
+    }
+
+    Component {
+        id: roundedCancelButtonComponent
+
+        Button {
+            id: cancelButton
+
+            objectName: "transactionCancelButton"
+            anchors.fill: parent
+            text: root.cancelText
+            enabled: !root.busy
+            Accessible.name: text
+            onClicked: root.cancel()
+
+            background: Rectangle {
+                color: cancelButton.pressed ? "#3f3f46"
+                      : cancelButton.hovered ? "#27272a" : "#18181b"
+                border.color: "#52525b"
+                border.width: 1
+                radius: 6
+            }
+
+            contentItem: Label {
+                text: cancelButton.text
+                color: "#f4f4f5"
+                font.bold: true
+                horizontalAlignment: Text.AlignHCenter
+                verticalAlignment: Text.AlignVCenter
+            }
+        }
+    }
 }