diff_types.patch

diff --git a/admin/src/lib/types.ts b/admin/src/lib/types.ts
index d4c940ea..9974b44a 100644
--- a/admin/src/lib/types.ts
+++ b/admin/src/lib/types.ts
@@ -736,4 +736,145 @@ export interface DashboardErrorsResponse {
     unresolved_errors: number;
     critical_errors: number;
   };
-}
\ No newline at end of file
+}
+
+export interface UsageDto {
+  api_calls: number;
+  validations: number;
+  success_count: number;
+  failure_count: number;
+  period_start: string;
+  period_end: string;
+}
+
+export interface BillingPlanDto {
+  name: string;
+  quota: number;
+  used: number;
+  currency?: string;
+  renews_on?: string;
+}
+
+export type InvoiceStatus = 'paid' | 'due' | 'failed';
+
+export interface InvoiceDto {
+  id: string;
+  date: string;
+  amount: number;
+  status: InvoiceStatus;
+  download_url: string;
+  description?: string;
+}
+
+
+export type HttpMethod =
+  | 'GET'
+  | 'POST'
+  | 'PUT'
+  | 'DELETE'
+  | 'PATCH'
+  | 'OPTIONS'
+  | 'HEAD'
+  | 'TRACE'
+  | 'CONNECT';
+
+export type ValidationResult = 'pass' | 'fail';
+
+export interface ApiLogDto {
+  readonly id: string;
+  readonly timestamp: string;
+  readonly method: HttpMethod;
+  readonly endpoint: string;
+  readonly status_code: number;
+  readonly processing_time_ms: number;
+  readonly tenant_id?: string | null;
+  readonly api_key_id?: string | null;
+  readonly request_id?: string | null;
+  readonly ip_address?: string | null;
+  readonly user_agent?: string | null;
+  readonly error_message?: string | null;
+}
+
+export interface ValidationLogDto {
+  readonly id: string;
+  readonly timestamp: string;
+  readonly document_id: string;
+  readonly tenant_id?: string | null;
+  readonly result: ValidationResult;
+  readonly score: number;
+  readonly violations_count: number;
+  readonly rules_applied_count?: number;
+  readonly processing_time_ms: number;
+  readonly error_message?: string | null;
+}
+
+export type AuditActionType =
+  | 'CREATE'
+  | 'UPDATE'
+  | 'DELETE'
+  | 'LOGIN'
+  | 'LOGOUT'
+  | 'VALIDATE'
+  | 'EXPORT'
+  | 'IMPORT'
+  | 'BACKUP'
+  | 'RESTORE';
+
+export interface AuditLogDto {
+  readonly id: string;
+  readonly timestamp: string;
+  readonly action: AuditActionType;
+  readonly tenant_id?: string | null;
+  readonly user_id?: string | null;
+  readonly resource_type: string;
+  readonly resource_id?: string | null;
+  readonly description: string;
+  readonly ip_address?: string | null;
+  readonly user_agent?: string | null;
+}
+
+export interface LogsFilterParams {
+  start_date?: string;
+  end_date?: string;
+  status?: 'success' | 'failure' | 'pending' | 'timeout';
+  result?: ValidationResult;
+  action?: AuditActionType;
+  tenant_id?: string;
+  endpoint?: string;
+  min_status_code?: number;
+  max_status_code?: number;
+  page?: number;
+  per_page?: number;
+  sort_by?: string;
+  sort_order?: 'asc' | 'desc';
+}
+
+export interface LogsListResponse<T> {
+  logs: T[];
+  total: number;
+  page: number;
+  per_page: number;
+  has_next: boolean;
+  has_prev: boolean;
+}
+
+export interface LogsExportRequest {
+  format: 'csv' | 'json';
+  start_date?: string;
+  end_date?: string;
+  filters?: LogsFilterParams;
+}
+
+export interface LogsExportResponse {
+  download_url: string;
+  filename: string;
+  size_bytes: number;
+  expires_at: string;
+}
+
+// Docs & Playground types
+export interface ValidationResultDto {
+  id: string;
+  status: "pass" | "fail";
+  errors: string[];
+}