Enhance WHMCS integration with mTLS support and product mapping features. Added mTLS configuration options, updated API endpoints for mTLS status and fingerprint registration, and implemented product validation API. Updated database schema and documentation accordingly.

packages/contracts/src/index.ts

@@ -254,6 +254,10 @@ export {
   whmcsUsageResponseSchema,
   whmcsUsageAdjustmentRequestSchema,
   whmcsDashboardStatsResponseSchema,
+  whmcsRegisterMtlsRequestSchema,
+  whmcsMtlsStatusResponseSchema,
+  whmcsValidatePlanRequestSchema,
+  whmcsValidatePlanResponseSchema,
   type WhmcsReconcileRequest,
   type WhmcsReconcileResponse,
   type WhmcsListAccountsResponse,
@@ -264,4 +268,7 @@ export {
   type WhmcsUsageResponse,
   type WhmcsUsageAdjustmentRequest,
   type WhmcsDashboardStatsResponse,
+  type WhmcsRegisterMtlsRequest,
+  type WhmcsMtlsStatusResponse,
+  type WhmcsValidatePlanResponse,
 } from './whmcs';