feat(reports): add reports page and export notification downloads

src/components/Sidebar.tsx

@@ -9,6 +9,7 @@ import {
   PanelRightClose, 
   PanelRightOpen,
   Briefcase,
+  ChartColumn,
   Clock3,
   Tags,
 } from 'lucide-react';
@@ -35,6 +36,11 @@ export const Sidebar = ({ mobileOpen = false, onMobileClose }: SidebarProps) =>
       icon: Clock3,
       label: t.sidebar?.timesheet || 'Timesheet'
     },
+    {
+      path: '/reports',
+      icon: ChartColumn,
+      label: t.sidebar?.reports || 'Reports'
+    },
     {
       path: '/tags',
       icon: Tags,