event: emit clear event when agent is cleared

- Add onClear callback to Agent, wired via support.go
- Publish session.{sid}.agent.{aid}.clear event
- GUI listens for agentCleared signal and refreshes chat view
- Works for both GUI clear button and CLI /clear command

cmd/olliesrv/internal/agent/agent.go

@@ -66,6 +66,7 @@ type Agent struct {
 	flush             func()                      // immediately flush persistence
 	onStateChange     func(agentID, state string) // optional callback for state changes
 	onProcStart       func(agentID string, pid int, tool, cmd string) // optional callback for proc start
+	onClear           func(agentID string)        // optional callback for clear
 
 	// Chat log — the rendered output stream, exposed via 9P.
 	chatMu       sync.RWMutex
@@ -318,6 +319,9 @@ func (ag *Agent) Clear() error {
 	ag.blockCounter = 0
 	ag.chatMu.Unlock()
 	ag.chatCond.Broadcast()
+	if ag.onClear != nil {
+		ag.onClear(ag.id)
+	}
 	return nil
 }
 

cmd/olliesrv/internal/agent/state.go

@@ -87,6 +87,11 @@ func (ag *Agent) SetOnProcStart(fn func(agentID string, pid int, tool, cmd strin
 	ag.onProcStart = fn
 }
 
+// SetOnClear sets a callback invoked when the agent is cleared.
+func (ag *Agent) SetOnClear(fn func(agentID string)) {
+	ag.onClear = fn
+}
+
 // setReply sets the agent's last response.
 func (ag *Agent) setReply(reply string) {
 	ag.stateMu.Lock()

cmd/olliesrv/internal/fs/support.go

@@ -26,6 +26,10 @@ func wireAgentEvents(sessID string, ag *agent.Agent) {
 		payload := fmt.Sprintf("%d\t%s\t%s", pid, tool, cmd)
 		session.PublishEvent(topic, payload)
 	})
+	ag.SetOnClear(func(agentID string) {
+		topic := "session." + sessID + ".agent." + agentID + ".clear"
+		session.PublishEvent(topic, "")
+	})
 }
 
 // ctlCmd is one control verb: its name, a one-line description for the

kde/gui/ChatPane.qml

@@ -386,10 +386,7 @@ Item {
                     font.pixelSize: theme.fontSize > 0 ? theme.fontSize * 0.9 : 11
                     implicitHeight: 28
                     enabled: ollie.activeState === "idle"
-                    onClicked: {
-                        ollie.submit("/clear")
-                        chatPane.loadChat()  // Refresh the view
-                    }
+                    onClicked: ollie.submit("/clear")
                     ToolTip.visible: hovered
                     ToolTip.text: "Clear history and start fresh"
                 }
@@ -676,6 +673,12 @@ Connections {
             chatPane.updateCurrentBypass()
         }
     }
+    function onAgentCleared(sessionId, agentId) {
+        // Refresh chat if the cleared agent is the active one
+        if (sessionId === ollie.activeSessionId && agentId === ollie.activeAgentId) {
+            chatPane.loadChat()
+        }
+    }
 
     // Public functions for keyboard shortcuts
     function approveBypass() {

kde/gui/ollie9pclient.cpp

@@ -282,6 +282,9 @@ void Ollie9pClient::handleEvent(const QString &eventLine)
                 }
                 emit bypassResolved(sidStr, aidStr, id);
             }
+        } else if (agentAction == QLatin1String("clear")) {
+            // Agent was cleared — emit signal so GUI can refresh chat view
+            emit agentCleared(sessionId.toString(), agentId.toString());
         }
     } else {
         // Session-level event

kde/gui/ollie9pclient.h

@@ -123,6 +123,7 @@ signals:
     void chatReceived(const QString &text);
     void bypassRequested(const QString &sessionId, const QString &agentId, const QString &id, const QString &cmd, const QString &cwd);
     void bypassResolved(const QString &sessionId, const QString &agentId, const QString &requestId);
+    void agentCleared(const QString &sessionId, const QString &agentId);
     void pendingBypassCountChanged(const QString &sessionId, const QString &agentId);
     void procStarted(const QString &sessionId, const QString &agentId, const QString &payload);
     void rootBackendsLoadedChanged();