feat: add member since date handling across admin and member views

src/pages/members/MembersDirectory.js

@@ -118,8 +118,10 @@ const MembersDirectory = () => {
         : <div className=' border-2 w-full border-brand-purple  mb-24' />
     )
   }
-  const MemberCard = ({ member }) => (
-    <Card className="p-6 bg-background rounded-3xl border border-[var(--neutral-800)] hover:shadow-lg transition-all h-full">
+  const MemberCard = ({ member }) => {
+    const joinedDate = member.member_since || member.created_at;
+    return (
+      <Card className="p-6 bg-background rounded-3xl border border-[var(--neutral-800)] hover:shadow-lg transition-all h-full">
       {/* Profile Photo */}
       <div className="flex justify-center mb-4">
         {member.profile_photo_url ? (
@@ -160,11 +162,11 @@ const MembersDirectory = () => {
       )}
 
       {/* Member Since */}
-      {member.created_at && (
+      {joinedDate && (
         <div className="flex items-center justify-center gap-2 mb-4">
           <Calendar className="h-4 w-4 text-brand-purple " />
           <span className="text-sm text-brand-purple " style={{ fontFamily: "'Nunito Sans', sans-serif" }}>
-            Member since {new Date(member.created_at).toLocaleDateString('en-US', {
+            Member since {new Date(joinedDate).toLocaleDateString('en-US', {
               month: 'long',
               year: 'numeric'
             })}
@@ -276,7 +278,8 @@ const MembersDirectory = () => {
         </Button>
       </div>
     </Card>
-  );
+    );
+  };
 
   return (
     <div className="min-h-screen bg-gradient-to-bl from-[var(--neutral-100:)] to-[var(--neutral-800)]">