feat: show paused sessions as gray, add agent count to session name

- Fetch paused status from session/{id}/paused file
- Gray dot indicator for paused sessions (green otherwise)
- Session names now show agent count: 'ollie (2)'
- Fixed rename to use baseName for sessions (without count suffix)

gui/main.qml

@@ -114,6 +114,9 @@ ApplicationWindow {
             // Add session node (always expanded for full overview)
             var sessionId = sess.id || ""
             var sessionName = sess.name || sessionId
+            var agents = sess.agents || []
+            var agentCount = agents.length
+            var displayLabel = agentCount > 0 ? sessionName + " (" + agentCount + ")" : sessionName
             sessionTreeModel.append({
                 type: "session",
                 id: sessionId,
@@ -121,10 +124,10 @@ ApplicationWindow {
                 expanded: true,
                 state: sess.state || "",
                 model: sess.model || "",
-                displayName: sessionName,
+                displayName: displayLabel,
+                baseName: sessionName,  // For rename operations
                 connectionColor: ollie.sessionConnectionColor(sessionId)
             })
-            var agents = sess.agents || []
             for (var j = 0; j < agents.length; ++j) {
                 var agent = agents[j]
                 sessionTreeModel.append({
@@ -160,7 +163,8 @@ ApplicationWindow {
         var item = sessionTreeModel.get(index)
         if (item.type === "session" || item.type === "agent") {
             renamingIndex = index
-            renamingText = item.displayName
+            // Use baseName for sessions (without agent count), displayName for agents
+            renamingText = item.type === "session" ? (item.baseName || item.displayName) : item.displayName
         }
     }
 
@@ -168,14 +172,13 @@ ApplicationWindow {
         if (renamingIndex < 0) return
         var item = sessionTreeModel.get(renamingIndex)
         var newName = renamingText.trim()
-        var oldName = item.displayName
+        // For sessions, compare against baseName (without count)
+        var oldName = item.type === "session" ? (item.baseName || item.displayName) : item.displayName
         if (newName !== "" && newName !== oldName) {
             var success = false
             if (item.type === "session") {
                 success = ollie.renameSession(item.id, newName)
-                if (success) {
-                    sessionTreeModel.set(renamingIndex, { id: newName, displayName: newName })
-                }
+                // Don't update displayName here - let refreshSessions rebuild with count
             } else if (item.type === "agent") {
                 success = ollie.renameAgent(item.parentId, item.agentId, newName)
                 if (success) {
@@ -183,8 +186,6 @@ ApplicationWindow {
                 }
             }
             if (!success) {
-                // Reset to old name and show error
-                sessionTreeModel.set(renamingIndex, { displayName: oldName })
                 renameErrorDialog.itemType = item.type
                 renameErrorDialog.attemptedName = newName
                 renameErrorDialog.open()

gui/ollie9pclient.cpp

@@ -172,14 +172,12 @@ QString Ollie9pClient::sessionConnectionColor(const QString &sessionId) const
     for (const QVariant &v : m_sessions) {
         const QVariantMap s = v.toMap();
         if (s.value("id").toString() != sessionId) continue;
-        const QVariantList agents = s.value("agents").toList();
-        if (agents.isEmpty()) return "gray";
-        int connected = 0;
-        for (const QVariant &a : agents)
-            if (a.toMap().value("connected").toBool()) ++connected;
-        if (connected == 0) return "red";
-        if (connected == agents.size()) return "green";
-        return "yellow";
+        // Paused sessions show gray (RPC connection intentionally stopped)
+        if (s.value("paused").toBool()) return "gray";
+        // Session maintains its own RPC connection, independent of agent count.
+        // For now, assume connected if not paused. Agent-level connection
+        // status is tracked separately for per-agent indicators.
+        return "green";
     }
     return "gray";
 }
@@ -311,6 +309,9 @@ void Ollie9pClient::refreshSessions()
 				session["cwd"] = parts.size() > 2 ? parts[2] : "";
 				session["backend"] = parts.size() > 3 ? parts[3] : "";
 				session["model"] = parts.size() > 4 ? parts[4] : "";
+				// Check if session is paused
+				QString pausedStr = QString::fromUtf8(run9p({"read", "session/" + sessionId + "/paused"})).trimmed();
+				session["paused"] = (pausedStr == "true");
 				QVariantList agents;
 				for (const QString &name : QString::fromUtf8(run9p({"ls", "session/" + sessionId + "/agent"})).trimmed().split('\n', Qt::SkipEmptyParts)) {
 					if (name == "new") continue;