feat(desktop): move vm-manager in as the vm module

Virsh.qml is unchanged; VmPanel's body becomes the page and the stat row
becomes a Flow, because four stats with 150px bars do not fit a 600px
drawer as one row. The page starts and stops Virsh.sampling, so the 2s
poll runs only while something is looking at it; the lifecycle event
stream still runs always, which is what keeps the tile's dots current.

1 files changed, 45 insertions, 0 deletions

diff --git a/desktop/modules/vm/Stat.qml b/desktop/modules/vm/Stat.qml
new file mode 100644
index 0000000..f357edf
--- /dev/null
+++ b/desktop/modules/vm/Stat.qml
@@ -0,0 +1,45 @@
+// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+import QtQuick
+import "../.."
+
+// One labelled stat with an optional bar. A negative fraction means the
+// figure is unavailable, so the bar is left out rather than drawn at zero.
+Column {
+    required property string label
+    required property string value
+    property real fraction: -1
+
+    spacing: 4
+
+    Text {
+        text: label
+        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 4 }
+        color: Theme.overlay
+    }
+    Text {
+        text: value
+        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 1 }
+        color: Theme.text
+    }
+    Rectangle {
+        visible: fraction >= 0
+        width: 150; height: 4; radius: 2
+        color: Qt.alpha(Theme.text, 0.12)
+        Rectangle {
+            width: parent.width * Math.max(0, Math.min(1, fraction))
+            height: parent.height; radius: parent.radius
+            color: Theme.accent
+            Behavior on width { NumberAnimation { duration: 200 } }
+        }
+    }
+}