Add JSDoc documentation and file headers to all source files

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

src/views/AccountManagement/ModalAccountInfo.vue

@@ -23,6 +23,17 @@
 </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/ModalAccountInfo Account
+ *   information modal displaying user details, admin/suspended
+ *   status badges, and visit count.
+ */
+
 import { onBeforeMount, computed, ref } from 'vue';
 import i18next from '@/i18n/i18n.js';
 import { useAcctMgmtStore } from '@/stores/acctMgmt';