✨ feat: Quality-of-Life Chat/Edit-Message Enhancements (#5194)

* fix: rendering error for mermaid flowchart syntax

* feat: add submit button ref and enable submit on Ctrl+Enter in EditMessage component

* feat: add save button and keyboard shortcuts for saving and canceling in EditMessage component

* feat: collapse chat on max height

* refactor: implement scrollable detection for textarea on key down events and initial render

* feat: add regenerate button for error handling in HoverButtons, closes #3658

* feat: add functionality to edit latest user message with the up arrow key when the input is empty

client/src/localization/languages/Ar.ts

@@ -913,4 +913,5 @@ export default {
   com_endpoint_ai: 'الذكاء الاصطناعي',
   com_endpoint_message_new: 'الرسالة {0} أو اكتب "@" للتبديل إلى الذكاء الاصطناعي',
   com_nav_maximize_chat_space: 'تكبير مساحة الدردشة',
+  com_ui_collapse_chat: 'طي الدردشة',
 };

client/src/localization/languages/De.ts

@@ -945,4 +945,5 @@ export default {
   com_ui_bookmarks_add: 'Lesezeichen hinzufügen',
   com_endpoint_message_new: 'Nachricht {0} oder "@" eingeben, um KI zu wechseln',
   com_nav_maximize_chat_space: 'Chat-Bereich maximieren',
+  com_ui_collapse_chat: 'Chat einklappen',
 };

client/src/localization/languages/Eng.ts

@@ -3,6 +3,7 @@
 // file deepcode ignore HardcodedNonCryptoSecret: No hardcoded secrets present in this file
 
 export default {
+  com_ui_collapse_chat: 'Collapse Chat',
   com_ui_enter_api_key: 'Enter API Key',
   com_ui_librechat_code_api_title: 'Run AI Code',
   com_ui_librechat_code_api_subtitle: 'Secure. Multi-language. Input/Output Files.',

client/src/localization/languages/Es.ts

@@ -1201,4 +1201,5 @@ export default {
   com_endpoint_message_new: 'Mensaje {0} o escriba "@" para cambiar de IA',
   com_nav_maximize_chat_space: 'Maximizar espacio del chat',
   com_endpoint_ai: 'IA',
+  com_ui_collapse_chat: 'Contraer Chat',
 };

client/src/localization/languages/Fr.ts

@@ -963,4 +963,5 @@ export default {
   com_nav_maximize_chat_space: 'Maximiser l\'espace de discussion',
   com_endpoint_message_new: 'Message {0} ou tapez "@" pour changer d\'IA',
   com_ui_page: 'Page',
+  com_ui_collapse_chat: 'Réduire la discussion',
 };

client/src/localization/languages/It.ts

@@ -957,4 +957,5 @@ export default {
   com_endpoint_ai: 'IA',
   com_nav_maximize_chat_space: 'Massimizza spazio chat',
   com_ui_page: 'Pagina',
+  com_ui_collapse_chat: 'Comprimi Chat',
 };

client/src/localization/languages/Jp.ts

@@ -911,4 +911,5 @@ export default {
   com_endpoint_ai: 'AI',
   com_endpoint_message_new: 'メッセージ {0} または「@」を入力してAIを切り替え',
   com_nav_maximize_chat_space: 'チャット画面を最大化',
+  com_ui_collapse_chat: 'チャットを折りたたむ',
 };

client/src/localization/languages/Ko.ts

@@ -1149,4 +1149,5 @@ export default {
   com_endpoint_ai: '인공지능',
   com_nav_maximize_chat_space: '채팅창 최대화',
   com_endpoint_message_new: '메시지 {0} 또는 "@"를 입력하여 AI 전환',
+  com_ui_collapse_chat: '채팅 접기',
 };

client/src/localization/languages/Ru.ts

@@ -1175,4 +1175,5 @@ export default {
   com_endpoint_message_new: 'Сообщение {0} или введите "@" для смены ИИ',
   com_nav_maximize_chat_space: 'Развернуть чат',
   com_ui_bookmarks_add: 'Добавить закладку',
+  com_ui_collapse_chat: 'Свернуть чат',
 };

client/src/localization/languages/Zh.ts

@@ -903,4 +903,5 @@ export default {
   com_ui_page: '页面',
   com_nav_maximize_chat_space: '最大化聊天窗口',
   com_endpoint_message_new: '发送消息 {0} 或输入"@"切换AI',
+  com_ui_collapse_chat: '收起聊天',
 };

client/src/localization/languages/ZhTraditional.ts

@@ -880,4 +880,5 @@ export default {
   com_nav_maximize_chat_space: '最大化聊天視窗',
   com_endpoint_ai: 'AI',
   com_endpoint_message_new: '輸入訊息 {0} 或輸入 "@" 以切換 AI',
+  com_ui_collapse_chat: '收合對話',
 };