gui: procs output panel resizable and toggle-able

- SplitView allows dragging the divider between process list and output
- Show/Hide Output button toggles output panel visibility
- View Output and double-click auto-show the panel if hidden

kde/gui/ProcManagerWindow.qml

@@ -14,6 +14,7 @@ Window {
     property var procs: []
     property string outputText: ""
     property int selectedPid: -1
+    property bool outputVisible: true
 
     // Track the session we're displaying (synced from main window)
     property string currentSessionId: ollie.activeSessionId
@@ -106,12 +107,18 @@ Window {
             }
         }
 
+        // Resizable split between process list and output
+        SplitView {
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            orientation: Qt.Vertical
+
             // Process list
             ListView {
                 id: procList
-            Layout.fillWidth: true
-            Layout.preferredHeight: 180
-            Layout.minimumHeight: 100
+                SplitView.fillWidth: true
+                SplitView.minimumHeight: 80
+                SplitView.preferredHeight: 180
                 model: procs
                 clip: true
 
@@ -129,6 +136,7 @@ Window {
                             selectedPid = modelData.pid
                             var out = ollie.procOutput(currentSessionId, currentAgentId, selectedPid)
                             outputText = out.length > 0 ? out : "(no output)"
+                            outputVisible = true
                         }
                     }
 
@@ -195,11 +203,13 @@ Window {
                 }
             }
 
-        // Output pane (always visible)
+            // Output pane (toggle-able)
             GroupBox {
-            Layout.fillWidth: true
-            Layout.fillHeight: true
-            Layout.minimumHeight: 100
+                id: outputPane
+                visible: outputVisible
+                SplitView.fillWidth: true
+                SplitView.fillHeight: true
+                SplitView.minimumHeight: 60
                 title: selectedPid > 0 ? "Output (PID " + selectedPid + ")" : "Output"
 
                 ScrollView {
@@ -216,6 +226,7 @@ Window {
                     }
                 }
             }
+        }
 
         // Action buttons
         RowLayout {
@@ -236,9 +247,16 @@ Window {
                     outputText = ""
                     var out = ollie.procOutput(currentSessionId, currentAgentId, selectedPid)
                     outputText = out.length > 0 ? out : "(no output)"
+                    outputVisible = true
                 }
             }
 
+            Button {
+                text: outputVisible ? "Hide Output" : "Show Output"
+                icon.name: outputVisible ? "go-up" : "go-down"
+                onClicked: outputVisible = !outputVisible
+            }
+
             Item { Layout.fillWidth: true }
 
             Button {