Add JSDoc documentation and file headers to all source files

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

src/views/AccountManagement/ModalDeleteAlert.vue

@@ -28,6 +28,16 @@
 </template>
 
 <script setup>
+// The Lucia project.
+// Copyright 2024-2026 DSP, inc.  All rights reserved.
+// Authors:
+//   cindy.chang@dsp.im (Cindy Chang), 2024/5/30
+//   imacat.yang@dsp.im (imacat), 2023/9/23
+/**
+ * @module views/AccountManagement/ModalDeleteAlert Confirmation
+ *   modal for account deletion with yes/no buttons.
+ */
+
 import { useModalStore } from '@/stores/modal';
 import { useRouter } from 'vue-router';
 import { useAcctMgmtStore } from '@/stores/acctMgmt';
@@ -39,6 +49,7 @@ const modalStore = useModalStore();
 const toast = useToast();
 const router = useRouter();
 
+/** Confirms account deletion, shows success toast, and navigates to account admin page. */
 const onDeleteConfirmBtnClick = async() => {
     if(await acctMgmtStore.deleteAccount(acctMgmtStore.currentViewingUser.username)){
         toast.success(i18next.t("AcctMgmt.MsgAccountDeleteSuccess"));
@@ -48,6 +59,7 @@ const onDeleteConfirmBtnClick = async() => {
     }
 };
 
+/** Cancels deletion and closes the modal. */
 const onNoBtnClick = () => {
     modalStore.closeModal();
 };