feat: improve learning and platform operations

services/api.ts

@@ -24,6 +24,7 @@ export interface ManagedUserDetail extends ManagedUser {
 }
 export interface PlatformAnalytics { totalUsers: number; activeUsers: number; publishedCourses: number; completedLessons: number; comments: number; }
 export interface InstructorAnalytics { courses: number; lessons: number; learners: number; completedLessons: number; comments: number; }
+export interface AuditEntry { id: string; action: string; subjectType: string; subjectId: string | null; metadata: Record<string, unknown>; createdAt: string; actorName: string; }
 
 interface Session {
   token: string;
@@ -107,6 +108,7 @@ export const adminApi = {
     return apiRequest<{ data: { resetUrl: string } }>(`/admin/users/${userId}/password-reset`, { method: 'POST' });
   },
   async userDetail(userId: string) { return apiRequest<{ data: ManagedUserDetail }>(`/admin/users/${userId}`); },
+  async auditLog() { return apiRequest<{ data: AuditEntry[] }>('/admin/audit-log'); },
 };
 
 export const instructorApi = {