refactor(pokemon): reorganize edit form fields into tabs

Split form into Basic and Advance tabs to improve usability
Add validation logic to switch tabs if required fields are missing

frontend/src/i18n.ts

@@ -98,6 +98,9 @@ const messages = {
         detailKicker: 'Pokédex Detail',
         editKicker: 'Pokédex Edit',
         editSubtitle: 'Maintain Pokemon profile, details, types, stats, specialities, and favourites.',
+        editSections: 'Pokemon edit sections',
+        editTabBasic: 'Basic',
+        editTabAdvance: 'Advance',
         newTitle: 'New Pokemon',
         editTitle: 'Edit #{id} {name}',
         loadingList: 'Loading Pokemon list',
@@ -529,6 +532,9 @@ const messages = {
         detailKicker: 'Pokédex Detail',
         editKicker: 'Pokédex Edit',
         editSubtitle: '维护 Pokemon 介绍、属性、六维、特长和喜欢的东西。',
+        editSections: 'Pokemon 编辑分区',
+        editTabBasic: '基础',
+        editTabAdvance: '进阶',
         newTitle: '新增 Pokemon',
         editTitle: '编辑 #{id} {name}',
         loadingList: '正在加载 Pokemon 列表',