Fix overlapping text in OutlineView

- Replace manual Item+anchoring with ColumnLayout for proper height calc
- Remove redundant bodyMeasure Text and bodyWidth property
- Add proper top/bottom margins using rowPad constant
- Body row now uses RowLayout with Layout.fillWidth

ui/qml/OutlineView.qml

@@ -40,48 +40,20 @@ TreeView {
         readonly property string sectionBody: (model.body ?? "").trim()
         readonly property int bodyIndent: 12
 
-        // The horizontal space available to the body text. The base delegate
-        // reserves (depth+1)*indentation on the left for the tree structure;
-        // the content region occupies the rest, minus our body indent and a
-        // right margin. Computing this explicitly (rather than via anchors)
-        // gives the body Text a concrete width, so contentHeight resolves
-        // deterministically and the row height below is correct.
-        readonly property real bodyWidth:
-            Math.max(1, tree.width - (depth + 1) * indentation
-                     - bodyIndent - 12)
-
         implicitWidth: tree.width
 
-        // Row height = headline + body (if any) + padding. bodyMeasure is a
-        // non-visible Text with the same font/width as the body, used purely
-        // to measure wrapped height without depending on the laid-out item.
-        implicitHeight: headlineRow.implicitHeight
-                        + (sectionBody !== "" ? bodyMeasure.implicitHeight + 4 : 0)
-                        + tree.rowPad * 2
-
         background: Rectangle {
             color: del.current ? "#2f3540" : "transparent"
             radius: 4
         }
 
-        // Off-screen measurement of the wrapped body height.
-        Text {
-            id: bodyMeasure
-            visible: false
-            width: del.bodyWidth
-            text: del.sectionBody
-            font.pixelSize: 12
-            lineHeight: 1.15
-            wrapMode: Text.WordWrap
-            textFormat: Text.PlainText
-        }
+        contentItem: ColumnLayout {
+            spacing: 4
 
-        contentItem: Item {
             RowLayout {
                 id: headlineRow
-                anchors.left: parent.left
-                anchors.right: parent.right
-                anchors.top: parent.top
+                Layout.fillWidth: true
+                Layout.topMargin: tree.rowPad
                 spacing: 8
 
                 // TODO keyword pill.
@@ -156,34 +128,33 @@ TreeView {
                 }
             }
 
-            // Left rule marking the body region.
-            Rectangle {
-                visible: bodyLabel.visible
-                width: 2
-                color: "#3b4252"
-                anchors.top: bodyLabel.top
-                anchors.bottom: bodyLabel.bottom
-                anchors.left: parent.left
-                anchors.leftMargin: 2
-            }
-
-            // Section body, always visible inline beneath the headline.
-            // Given an explicit width (matching bodyMeasure) so wrapping and
-            // height are consistent with the reserved row height.
-            Text {
-                id: bodyLabel
-                anchors.top: headlineRow.bottom
-                anchors.topMargin: 4
-                anchors.left: parent.left
-                anchors.leftMargin: del.bodyIndent
-                width: del.bodyWidth
+            // Body row with left rule.
+            RowLayout {
                 visible: del.sectionBody !== ""
-                text: del.sectionBody
-                color: tree.dimColor
-                font.pixelSize: 12
-                lineHeight: 1.15
-                wrapMode: Text.WordWrap
-                textFormat: Text.PlainText
+                Layout.fillWidth: true
+                Layout.bottomMargin: tree.rowPad
+                spacing: 8
+
+                // Left rule marking the body region.
+                Rectangle {
+                    width: 2
+                    Layout.fillHeight: true
+                    Layout.leftMargin: 2
+                    color: "#3b4252"
+                }
+
+                // Section body text.
+                Text {
+                    id: bodyLabel
+                    Layout.fillWidth: true
+                    Layout.leftMargin: del.bodyIndent - 10
+                    text: del.sectionBody
+                    color: tree.dimColor
+                    font.pixelSize: 12
+                    lineHeight: 1.15
+                    wrapMode: Text.WordWrap
+                    textFormat: Text.PlainText
+                }
             }
         }
     }