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/gatewayStore.ts

@@ -1294,11 +1294,15 @@ export const useGatewayStore = create<GatewayStore>((set, get) => {
     },
 
     triggerHand: async (name: string, params?: Record<string, unknown>) => {
+      console.log(`[GatewayStore] Triggering hand: ${name}`, params);
       try {
         const result = await get().client.triggerHand(name, params);
+        console.log(`[GatewayStore] Hand trigger result:`, result);
         return result ? { runId: result.runId, status: result.status, startedAt: new Date().toISOString() } : undefined;
       } catch (err: unknown) {
-        set({ error: err instanceof Error ? err.message : String(err) });
+        const errorMsg = err instanceof Error ? err.message : String(err);
+        console.error(`[GatewayStore] Hand trigger error:`, errorMsg, err);
+        set({ error: errorMsg });
         return undefined;
       }
     },