fix: Add explicit public route with AllowAnonymous for ShareCard

Configure routing to explicitly allow anonymous access to the
PublicBots controller routes before the main admin routes.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

LittleShop/Program.cs

@@ -393,6 +393,15 @@ app.UseAuthentication();
 app.UseAuthorization();
 
 // Configure routing
+
+// Public ShareCard routes (anonymous access)
+app.MapControllerRoute(
+    name: "publicBots",
+    pattern: "Admin/PublicBots/{action}/{id?}",
+    defaults: new { area = "Admin", controller = "PublicBots" }
+).AllowAnonymous();
+
+// Admin routes (require authentication)
 app.MapControllerRoute(
     name: "admin",
     pattern: "Admin/{controller=Dashboard}/{action=Index}/{id?}",