fix(vscode): remove duplicate Agent Manager empty state

.changeset/single-agent-manager-empty-state.md

@@ -0,0 +1,5 @@
+---
+"kilo-code": patch
+---
+
+Show only one empty-state panel after removing the last Agent Manager worktree.

packages/kilo-vscode/webview-ui/agent-manager/AgentManagerApp.tsx

@@ -2459,20 +2459,6 @@ const AgentManagerContent: Component = () => {
           track={metrics.click}
         />
 
-        {/* Empty worktree state */}
-        <Show when={contextEmpty()}>
-          <div class="am-empty-state">
-            <div class="am-empty-state-icon">
-              <Icon name="branch" size="large" />
-            </div>
-            <div class="am-empty-state-text">{t("agentManager.session.noSessions")}</div>
-            <Button variant="primary" size="small" onClick={handleAddSession}>
-              {t("agentManager.session.new")}
-              <span class="am-shortcut-hint">{kb().newTab ?? ""}</span>
-            </Button>
-          </div>
-        </Show>
-
         <Show when={overlay()}>
           {(state) => (
             <div class="am-setup-overlay">