Improve GDPR implementation

frontend/src/api/services/subscription.ts

@@ -299,6 +299,53 @@ export class SubscriptionService {
   doesAnalyticsLevelMeetMinimum(level: AnalyticsLevel, minimumRequired: AnalyticsLevel): boolean {
     return ANALYTICS_HIERARCHY[level] >= ANALYTICS_HIERARCHY[minimumRequired];
   }
+
+  /**
+   * Cancel subscription - Downgrade to read-only mode
+   */
+  async cancelSubscription(tenantId: string, reason?: string): Promise<{
+    success: boolean;
+    message: string;
+    status: string;
+    cancellation_effective_date: string;
+    days_remaining: number;
+    read_only_mode_starts: string;
+  }> {
+    return apiClient.post('/subscriptions/cancel', {
+      tenant_id: tenantId,
+      reason: reason || ''
+    });
+  }
+
+  /**
+   * Reactivate a cancelled or inactive subscription
+   */
+  async reactivateSubscription(tenantId: string, plan: string = 'starter'): Promise<{
+    success: boolean;
+    message: string;
+    status: string;
+    plan: string;
+    next_billing_date: string | null;
+  }> {
+    return apiClient.post('/subscriptions/reactivate', {
+      tenant_id: tenantId,
+      plan
+    });
+  }
+
+  /**
+   * Get subscription status including read-only mode info
+   */
+  async getSubscriptionStatus(tenantId: string): Promise<{
+    tenant_id: string;
+    status: string;
+    plan: string;
+    is_read_only: boolean;
+    cancellation_effective_date: string | null;
+    days_until_inactive: number | null;
+  }> {
+    return apiClient.get(`/subscriptions/${tenantId}/status`);
+  }
 }
 
 export const subscriptionService = new SubscriptionService();