fix: avatar/logo display diagnostics and upload error handling

Add error logging to silent catch blocks in avatar/logo URL generation,
show user avatar on admin member detail page, and surface specific error
messages for upload failures (CORS/network issues) instead of generic errors.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/app/(admin)/admin/members/[id]/page.tsx

@@ -47,6 +47,7 @@ import {
   AlertDialogHeader,
   AlertDialogTitle,
 } from '@/components/ui/alert-dialog'
+import { UserAvatar } from '@/components/shared/user-avatar'
 import {
   ArrowLeft,
   Save,
@@ -196,15 +197,18 @@ export default function MemberDetailPage() {
       </div>
 
       <div className="flex items-start justify-between">
-        <div>
-          <h1 className="text-2xl font-semibold tracking-tight">
-            {user.name || 'Unnamed Member'}
-          </h1>
-          <div className="flex items-center gap-2 mt-1">
-            <p className="text-muted-foreground">{user.email}</p>
-            <Badge variant={user.status === 'ACTIVE' ? 'success' : user.status === 'SUSPENDED' ? 'destructive' : 'secondary'}>
-              {user.status === 'NONE' ? 'Not Invited' : user.status}
-            </Badge>
+        <div className="flex items-center gap-4">
+          <UserAvatar user={user} avatarUrl={user.avatarUrl} size="lg" />
+          <div>
+            <h1 className="text-2xl font-semibold tracking-tight">
+              {user.name || 'Unnamed Member'}
+            </h1>
+            <div className="flex items-center gap-2 mt-1">
+              <p className="text-muted-foreground">{user.email}</p>
+              <Badge variant={user.status === 'ACTIVE' ? 'success' : user.status === 'SUSPENDED' ? 'destructive' : 'secondary'}>
+                {user.status === 'NONE' ? 'Not Invited' : user.status}
+              </Badge>
+            </div>
           </div>
         </div>
         {(user.status === 'NONE' || user.status === 'INVITED') && (