added overlay function for tarot cards

app/ui-quiz-bank.js

@@ -109,6 +109,19 @@
     };
   }
 
+  function dedupeTemplatesByKey(templates) {
+    const deduped = new Map();
+
+    (templates || []).forEach((template) => {
+      if (!template || !template.key) {
+        return;
+      }
+      deduped.set(template.key, template);
+    });
+
+    return [...deduped.values()];
+  }
+
   function buildQuestionBank(referenceData, magickDataset, dynamicCategoryRegistry) {
     const bank = quizQuestionBankBuiltins.buildBuiltInQuestionBank({
       referenceData,
@@ -136,12 +149,13 @@
       }
     });
 
-    return bank;
+    return dedupeTemplatesByKey(bank);
   }
 
   window.QuizQuestionBank = {
     buildQuestionBank,
     createQuestionTemplate,
+    dedupeTemplatesByKey,
     normalizeKey,
     normalizeOption,
     toTitleCase,