refactor: Small fixes

src/components/ModalComponent.vue

@@ -5,7 +5,7 @@
     >
         <div class="bg-white p-6 rounded-lg shadow-lg max-w-sm w-full text-center">
             <h2 class="title font-bold mb-4">{{ title }}</h2>
-            <p class="message mb-4">{{ message }}</p>
+            <p class="message mb-4" v-html="message"></p>
 
             <slot name="input"></slot>
 

src/types/challenge.ts

@@ -9,7 +9,7 @@ export interface Challenge {
     description: string
     due: string // Mapping ZonedDateTime to Date, optional since Temporal annotation not always implies required
     createdOn?: string // Mapping ZonedDateTime to Date
-    type: string // Not specified as @NotNull, so it's optional
+    type?: string // Not specified as @NotNull, so it's optional
     completion?: number // Assuming BigDecimal maps to number, optional due to @Transient
     completedOn?: string // Adding the new variable as optional
 }