feat(automation): complete unified automation system redesign

Phase 4 completion:
- Add ApprovalQueue component for managing pending approvals
- Add ExecutionResult component for displaying hand/workflow results
- Update Sidebar navigation to use unified AutomationPanel
- Replace separate 'hands' and 'workflow' tabs with single 'automation' tab
- Fix TypeScript type safety issues with unknown types in JSX expressions

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

desktop/src/store/chatStore.ts

@@ -403,12 +403,21 @@ export const useChatStore = create<ChatState>()(
               set((state) => ({ messages: [...state.messages, handMsg] }));
             },
             onComplete: () => {
-              set((state) => ({
+              const state = get();
+
+              // Save conversation to persist across refresh
+              const conversations = upsertActiveConversation([...state.conversations], state);
+              const currentConvId = state.currentConversationId || conversations[0]?.id;
+
+              set({
                 isStreaming: false,
+                conversations,
+                currentConversationId: currentConvId,
                 messages: state.messages.map((m) =>
                   m.id === assistantId ? { ...m, streaming: false, runId } : m
                 ),
-              }));
+              });
+
               // Async memory extraction after stream completes
               const msgs = get().messages
                 .filter(m => m.role === 'user' || m.role === 'assistant')