diff --git a/gui/main.qml b/gui/main.qml
index 3aa8828..114e778 100644
--- a/gui/main.qml
+++ b/gui/main.qml
@@ -284,6 +284,8 @@ ApplicationWindow {
         var agents = sess.agents || []
         var agentCount = agents.length
         var displayLabel = agentCount > 0 ? sessionName + " (" + agentCount + ")" : sessionName
+        var isPaused = sess.paused || false
+        var wasExpanded = sessionExpandedCache[sessionId] !== undefined ? sessionExpandedCache[sessionId] : true
         
         // Update session properties (use QML-computed color, avoids C++ call)
         sessionTreeModel.setProperty(sessionIdx, "displayName", displayLabel)
@@ -291,6 +293,7 @@ ApplicationWindow {
         sessionTreeModel.setProperty(sessionIdx, "state", sess.state || "")
         sessionTreeModel.setProperty(sessionIdx, "model", sess.model || "")
         sessionTreeModel.setProperty(sessionIdx, "connectionColor", computeConnectionColor(sess))
+        sessionTreeModel.setProperty(sessionIdx, "paused", isPaused)
         
         // Build agent lookup
         var newAgentIds = {}
@@ -310,6 +313,7 @@ ApplicationWindow {
                     sessionTreeModel.setProperty(idx, "state", agent.state || "idle")
                     sessionTreeModel.setProperty(idx, "connected", agent.connected)
                     sessionTreeModel.setProperty(idx, "displayName", agent.name)
+                    sessionTreeModel.setProperty(idx, "parentPaused", isPaused)
                 } else {
                     // Remove agent
                     sessionTreeModel.remove(idx)
@@ -343,7 +347,9 @@ ApplicationWindow {
                     level: 1,
                     state: ag.state || "idle",
                     connected: ag.connected,
-                    displayName: ag.name
+                    displayName: ag.name,
+                    parentExpanded: wasExpanded,
+                    parentPaused: isPaused
                 })
             }
         }
@@ -1129,7 +1135,7 @@ ApplicationWindow {
                                     return "#9e9e9e"
                                 }
                                 // Agent: gray if parent session is paused
-                                if (parentPaused) return "#9e9e9e"
+                                if (parentPaused === true) return "#9e9e9e"
                                 // Agent: use state role from model
                                 var s = state || "idle"
                                 if (s === "idle") return "#4caf50"