security(phase-9): complete security hardening

- Add safeJsonParse utility with schema validation
- Migrate tokens to OS keyring storage
- Add Ed25519 key encryption at rest
- Enable WSS configuration option
- Fix JSON.parse in HandParamsForm, WorkflowEditor, WorkflowList
- Update test mock data to match valid status values

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

desktop/src/components/RightPanel.tsx

@@ -574,6 +574,8 @@ export function RightPanel() {
             </div>
           </div>
         </motion.div>
+          </>
+        )}
       </div>
     </aside>
   );