Phase 0.2: Remove frontend deprecated code

- Delete pages: sum, audit, admin/random-jobs
- Delete old homepage (counter) and create redirect page
- Update Header.tsx: remove Counter, Sum, Audit, Random Jobs nav items
- Update auth-context.tsx: remove VIEW_COUNTER, INCREMENT_COUNTER, USE_SUM permissions
- Update profile/page.test.tsx: fix nav link assertions

frontend/app/components/Header.tsx

@@ -8,17 +8,13 @@ import constants from "../../../shared/constants.json";
 const { ADMIN, REGULAR } = constants.roles;
 
 type PageId =
-  | "counter"
-  | "sum"
   | "profile"
   | "invites"
   | "booking"
   | "appointments"
-  | "audit"
   | "admin-invites"
   | "admin-availability"
   | "admin-appointments"
-  | "admin-random-jobs"
   | "admin-price-history";
 
 interface HeaderProps {
@@ -34,8 +30,6 @@ interface NavItem {
 }
 
 const REGULAR_NAV_ITEMS: NavItem[] = [
-  { id: "counter", label: "Counter", href: "/" },
-  { id: "sum", label: "Sum", href: "/sum" },
   { id: "booking", label: "Book", href: "/booking", regularOnly: true },
   { id: "appointments", label: "Appointments", href: "/appointments", regularOnly: true },
   { id: "invites", label: "My Invites", href: "/invites", regularOnly: true },
@@ -43,11 +37,9 @@ const REGULAR_NAV_ITEMS: NavItem[] = [
 ];
 
 const ADMIN_NAV_ITEMS: NavItem[] = [
-  { id: "audit", label: "Audit", href: "/audit", adminOnly: true },
   { id: "admin-invites", label: "Invites", href: "/admin/invites", adminOnly: true },
   { id: "admin-availability", label: "Availability", href: "/admin/availability", adminOnly: true },
   { id: "admin-appointments", label: "Appointments", href: "/admin/appointments", adminOnly: true },
-  { id: "admin-random-jobs", label: "Random Jobs", href: "/admin/random-jobs", adminOnly: true },
   { id: "admin-price-history", label: "Prices", href: "/admin/price-history", adminOnly: true },
 ];