refactor(events): gate member benefits on hasMemberAccess

Extracts hasMemberAccess(member) in tickets.js and uses it across event
registration, ticket purchase, and series purchase flows so guest, suspended,
and cancelled records no longer count as members while pending_payment still
does.

server/api/series/[id]/tickets/purchase.post.js

@@ -8,6 +8,7 @@ import {
   releaseSeriesTicket,
   completeSeriesTicketPurchase,
   registerForAllSeriesEvents,
+  hasMemberAccess,
 } from "../../../../utils/tickets.js";
 import { sendSeriesPassConfirmation } from "../../../../utils/resend.js";
 
@@ -33,7 +34,9 @@ export default defineEventHandler(async (event) => {
       });
     }
 
-    // Check membership — prefer JWT auth for accurate member pricing
+    // Check membership — prefer JWT auth for accurate member pricing.
+    // Only members with access (active or pending_payment) get member-tier
+    // pricing; guest, suspended, and cancelled are treated as non-members.
     let member = null;
     try {
       member = await requireAuth(event);
@@ -46,12 +49,13 @@ export default defineEventHandler(async (event) => {
 
     // Resolve canonical email: use authenticated member's email if available
     const canonicalEmail = member ? member.email : email.toLowerCase();
+    const accessMember = hasMemberAccess(member) ? member : null;
 
     // Validate purchase
     const validation = validateSeriesTicketPurchase(series, {
       email: canonicalEmail,
       name,
-      member,
+      member: accessMember,
     });
 
     if (!validation.valid) {
@@ -84,8 +88,8 @@ export default defineEventHandler(async (event) => {
       memberId: member?._id,
       name,
       email: canonicalEmail,
-      membershipLevel: member?.circle || "non-member",
-      isMember: !!member,
+      membershipLevel: accessMember?.circle || "non-member",
+      isMember: !!accessMember,
       ticketType: ticketInfo.ticketType,
       ticketPrice: ticketInfo.price,
       paymentStatus: ticketInfo.isFree ? "not_required" : "completed",