feat(pages): Complete p05-page-migrations with all pages and navigation tests

- Create Team Members page with DataTable, search, and filters
- Create Projects page with status badges and workflow
- Create placeholder pages for Allocations, Actuals, Reports, Settings, Master Data
- Fix navigation config: change /team to /team-members
- Remove old Navigation.svelte component
- Add comprehensive navigation link E2E tests (16 tests)
- Add Team Members and Projects page E2E tests

All 16 navigation link tests passing:
- Dashboard, Team Members, Projects, Allocations, Actuals
- All 5 Reports pages (Forecast, Utilization, Costs, Variance, Allocation)
- Admin pages (Settings, Master Data)
- Authentication preservation across pages

Refs: openspec/changes/p05-page-migrations
Closes: p05-page-migrations

frontend/src/routes/allocations/+page.svelte

@@ -0,0 +1,17 @@
+<script lang="ts">
+	import PageHeader from '$lib/components/layout/PageHeader.svelte';
+	import EmptyState from '$lib/components/common/EmptyState.svelte';
+	import { Calendar } from 'lucide-svelte';
+</script>
+
+<svelte:head>
+	<title>Allocations | Headroom</title>
+</svelte:head>
+
+<PageHeader title="Allocations" description="Manage resource allocations" />
+
+<EmptyState 
+	title="Coming Soon"
+	description="Resource allocation management will be available in a future update."
+	icon={Calendar}
+/>