add contracts overview tab with KPIs, recent contracts, and charts

- Introduced OverviewContractKpisDto and OverviewRecentContractDto for contract metrics.
- Implemented OverviewContractsTabDto to structure the contracts tab response.
- Added contract-related constants for status groupings and pipeline stages.
- Created OverviewContractsTabPanel and OverviewRecentContractsTable components for UI representation.
- Updated OverviewService and OverviewRepository to fetch contract data.
- Integrated contracts tab into OverviewController and OverviewTabContent.
- Added hooks for fetching contracts data in useOverview.
- Updated types in the overview module to include contracts.
- Enhanced the contract detail page with a "View contract" button for generated PDFs.

apps/edr-freight-web/backoffice/src/constants/QUERY_KEYS.ts

@@ -127,6 +127,7 @@ export const QUERY_KEYS = {
     ROOT: ["overview"] as const,
     dashboard: (range?: string) => ["overview", "dashboard", range ?? "30d"] as const,
     bookingsTab: (range?: string) => ["overview", "bookings", range ?? "30d"] as const,
+    contractsTab: (range?: string) => ["overview", "contracts", range ?? "30d"] as const,
     billingTab: (range?: string) => ["overview", "billing", range ?? "30d"] as const,
     operationsTab: () => ["overview", "operations"] as const,
     customersTab: (range?: string) => ["overview", "customers", range ?? "30d"] as const,

apps/edr-freight-web/backoffice/src/constants/URLS.ts

@@ -88,6 +88,7 @@ export const URL_CONSTANTS = {
   OVERVIEW: {
     BASE: "/overview",
     BOOKINGS: "/overview/bookings",
+    CONTRACTS: "/overview/contracts",
     BILLING: "/overview/billing",
     OPERATIONS: "/overview/operations",
     CUSTOMERS: "/overview/customers",