Add client dashboard page, restore MyCompany to people+edit only

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

src/components/Layout.jsx

@@ -25,6 +25,7 @@ function ClientNav({ onNav }) {
     <div className="sidebar-section">
       <div className="sidebar-section-label">My Work</div>
       {[
+        { to: '/my-dashboard', label: 'Dashboard' },
         { to: '/my-projects', label: 'Projects' },
         { to: '/my-invoices', label: 'Invoices' },
         { to: '/my-company', label: 'Company' },

src/components/ProtectedRoute.jsx

@@ -5,7 +5,7 @@ export default function ProtectedRoute({ children, role }) {
   const { currentUser } = useAuth();
   if (!currentUser) return <Navigate to="/" replace />;
   if (role && currentUser.role !== role) {
-    return <Navigate to={currentUser.role === 'team' ? '/dashboard' : '/my-requests'} replace />;
+    return <Navigate to={currentUser.role === 'team' ? '/dashboard' : '/my-dashboard'} replace />;
   }
   return children;
 }