feat(mcp): 16 PM tools + chat tool + 6 resource URIs + admin token UI

Phase F: tools_pm.go — list/get/create/update/close/reopen/assign for
projects, workspaces, requirements, issues (16 tools total).

Phase G: tools_chat.go — list_recent_messages tool; resources.go — 6 PM
resource URI templates (projects, project-detail, requirements, issues,
workspaces, workspace-detail).

Phase H: frontend admin UI — mcpTokens API client, Pinia store,
MCPTokenAdminView with create/revoke/list, router entry, NavBar link.

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

web/src/router/index.ts

@@ -136,6 +136,12 @@ const routes: RouteRecordRaw[] = [
     props: { adminMode: true },
     meta: { requiresAuth: true, requiresAdmin: true },
   },
+  {
+    path: '/admin/mcp-tokens',
+    name: 'admin-mcp-tokens',
+    component: () => import('@/views/admin/MCPTokenAdminView.vue'),
+    meta: { requiresAuth: true, requiresAdmin: true },
+  },
   {
     path: '/admin/acp/agent-kinds',
     component: () => import('@/views/admin/AgentKindAdminListView.vue'),