fix: move showActivity toggle from Account to Privacy settings panel

packages/web/src/components/modals/settingsPanels/PrivacyPanel.tsx

@@ -1,11 +1,13 @@
 import { useState, useEffect } from 'react';
 import { useAuthStore } from '../../../stores/authStore';
+import { useActivityStore } from '../../../stores/activityStore';
 import { api } from '../../../api/client';
 import { Toggle } from '../../ui/Toggle';
 
 export function PrivacyPanel() {
   const user = useAuthStore((s) => s.user);
   const setUser = useAuthStore((s) => s.setUser);
+  const showActivity = useActivityStore((s) => s.showActivity);
   const [discoverable, setDiscoverable] = useState(user?.discoverable !== false);
   const [saving, setSaving] = useState(false);
 
@@ -48,6 +50,34 @@ export function PrivacyPanel() {
           )}
         </div>
       </div>
+
+      {/* Activity Status */}
+      <div>
+        <div className="text-[11px] font-semibold text-txt-tertiary uppercase tracking-wider mb-1.5">
+          Activity Status
+        </div>
+        <div className="rounded-lg bg-white/[0.03] border border-white/[0.04] p-3.5">
+          <div className="flex items-center justify-between py-1">
+            <div className="flex-1 mr-4">
+              <div className="text-sm text-txt-primary">Share Activity Status</div>
+              <div className="text-xs text-txt-tertiary mt-0.5">
+                Allow others to see what you're up to, like games you're playing or music you're listening to.
+              </div>
+            </div>
+            <Toggle
+              enabled={showActivity}
+              onChange={async (enabled) => {
+                try {
+                  await api.users.update({ showActivity: enabled });
+                  useActivityStore.getState().setShowActivity(enabled);
+                } catch (err) {
+                  console.error('Failed to update activity visibility:', err);
+                }
+              }}
+            />
+          </div>
+        </div>
+      </div>
     </div>
   );
 }