feat(chat): add slash command dropdown button in message input toolbar

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/i18n/messages/ar.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "جارٍ تحميل الوضع...",
         "cancel": "إلغاء",
         "send": "إرسال",
-        "forkAndSend": "تفريع وإرسال"
+        "forkAndSend": "تفريع وإرسال",
+        "slashCommands": "أوامر الشرطة المائلة"
       },
       "messageQueue": {
         "addToQueue": "إضافة للقائمة",

src/i18n/messages/de.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "Modus wird geladen...",
         "cancel": "Abbrechen",
         "send": "Senden",
-        "forkAndSend": "Fork & Senden"
+        "forkAndSend": "Fork & Senden",
+        "slashCommands": "Slash-Befehle"
       },
       "messageQueue": {
         "addToQueue": "Zur Warteschlange",

src/i18n/messages/en.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "Loading mode...",
         "cancel": "Cancel",
         "send": "Send",
-        "forkAndSend": "Fork & Send"
+        "forkAndSend": "Fork & Send",
+        "slashCommands": "Slash commands"
       },
       "messageQueue": {
         "addToQueue": "Queue message",

src/i18n/messages/es.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "Cargando modo...",
         "cancel": "Cancelar",
         "send": "Enviar",
-        "forkAndSend": "Fork y Enviar"
+        "forkAndSend": "Fork y Enviar",
+        "slashCommands": "Comandos de barra"
       },
       "messageQueue": {
         "addToQueue": "Agregar a la cola",

src/i18n/messages/fr.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "Chargement du mode...",
         "cancel": "Annuler",
         "send": "Envoyer",
-        "forkAndSend": "Fork & Envoyer"
+        "forkAndSend": "Fork & Envoyer",
+        "slashCommands": "Commandes slash"
       },
       "messageQueue": {
         "addToQueue": "Mettre en file",

src/i18n/messages/ja.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "モードを読み込み中...",
         "cancel": "キャンセル",
         "send": "送信",
-        "forkAndSend": "フォークして送信"
+        "forkAndSend": "フォークして送信",
+        "slashCommands": "スラッシュコマンド"
       },
       "messageQueue": {
         "addToQueue": "キューに追加",

src/i18n/messages/ko.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "모드 불러오는 중...",
         "cancel": "취소",
         "send": "보내기",
-        "forkAndSend": "포크 & 전송"
+        "forkAndSend": "포크 & 전송",
+        "slashCommands": "슬래시 명령"
       },
       "messageQueue": {
         "addToQueue": "대기열에 추가",

src/i18n/messages/pt.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "Carregando modo...",
         "cancel": "Cancelar",
         "send": "Enviar",
-        "forkAndSend": "Fork & Enviar"
+        "forkAndSend": "Fork & Enviar",
+        "slashCommands": "Comandos de barra"
       },
       "messageQueue": {
         "addToQueue": "Adicionar à fila",

src/i18n/messages/zh-CN.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "正在加载模式...",
         "cancel": "取消",
         "send": "发送",
-        "forkAndSend": "分叉发送"
+        "forkAndSend": "分叉发送",
+        "slashCommands": "斜杠命令"
       },
       "messageQueue": {
         "addToQueue": "加入队列",

src/i18n/messages/zh-TW.json

@@ -1421,7 +1421,8 @@
         "loadingMode": "正在載入模式...",
         "cancel": "取消",
         "send": "傳送",
-        "forkAndSend": "分叉發送"
+        "forkAndSend": "分叉發送",
+        "slashCommands": "斜線命令"
       },
       "messageQueue": {
         "addToQueue": "加入佇列",