feat(chat): add experts menu to message input toolbar

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

src/i18n/messages/ar.json

@@ -1439,7 +1439,9 @@
         "cancel": "إلغاء",
         "send": "إرسال",
         "forkAndSend": "تفريع وإرسال",
-        "slashCommands": "أوامر الشرطة المائلة"
+        "slashCommands": "أوامر الشرطة المائلة",
+        "expertSkills": "مهارات الخبراء",
+        "expertsEmptyForAgent": "لا يحتوي هذا العميل على خبراء مفعّلين. فعّلهم من الإعدادات > الخبراء."
       },
       "messageQueue": {
         "addToQueue": "إضافة للقائمة",

src/i18n/messages/de.json

@@ -1439,7 +1439,9 @@
         "cancel": "Abbrechen",
         "send": "Senden",
         "forkAndSend": "Fork & Senden",
-        "slashCommands": "Slash-Befehle"
+        "slashCommands": "Slash-Befehle",
+        "expertSkills": "Expertenfähigkeiten",
+        "expertsEmptyForAgent": "Dieser Agent hat keine aktivierten Experten. Aktivieren Sie sie unter Einstellungen > Experten."
       },
       "messageQueue": {
         "addToQueue": "Zur Warteschlange",

src/i18n/messages/en.json

@@ -1439,7 +1439,9 @@
         "cancel": "Cancel",
         "send": "Send",
         "forkAndSend": "Fork & Send",
-        "slashCommands": "Slash commands"
+        "slashCommands": "Slash commands",
+        "expertSkills": "Expert skills",
+        "expertsEmptyForAgent": "This agent has no enabled experts. Enable them in Settings > Experts."
       },
       "messageQueue": {
         "addToQueue": "Queue message",

src/i18n/messages/es.json

@@ -1439,7 +1439,9 @@
         "cancel": "Cancelar",
         "send": "Enviar",
         "forkAndSend": "Fork y Enviar",
-        "slashCommands": "Comandos de barra"
+        "slashCommands": "Comandos de barra",
+        "expertSkills": "Habilidades de expertos",
+        "expertsEmptyForAgent": "Este agente no tiene expertos habilitados. Actívalos en Configuración > Expertos."
       },
       "messageQueue": {
         "addToQueue": "Agregar a la cola",

src/i18n/messages/fr.json

@@ -1439,7 +1439,9 @@
         "cancel": "Annuler",
         "send": "Envoyer",
         "forkAndSend": "Fork & Envoyer",
-        "slashCommands": "Commandes slash"
+        "slashCommands": "Commandes slash",
+        "expertSkills": "Compétences d'expert",
+        "expertsEmptyForAgent": "Cet agent n'a aucun expert activé. Activez-les dans Paramètres > Experts."
       },
       "messageQueue": {
         "addToQueue": "Mettre en file",

src/i18n/messages/ja.json

@@ -1439,7 +1439,9 @@
         "cancel": "キャンセル",
         "send": "送信",
         "forkAndSend": "フォークして送信",
-        "slashCommands": "スラッシュコマンド"
+        "slashCommands": "スラッシュコマンド",
+        "expertSkills": "エキスパートスキル",
+        "expertsEmptyForAgent": "このエージェントで有効なエキスパートはありません。「設定 > エキスパート」から有効にしてください。"
       },
       "messageQueue": {
         "addToQueue": "キューに追加",

src/i18n/messages/ko.json

@@ -1439,7 +1439,9 @@
         "cancel": "취소",
         "send": "보내기",
         "forkAndSend": "포크 & 전송",
-        "slashCommands": "슬래시 명령"
+        "slashCommands": "슬래시 명령",
+        "expertSkills": "전문가 스킬",
+        "expertsEmptyForAgent": "이 에이전트에 활성화된 전문가가 없습니다. 설정 > 전문가에서 활성화하세요."
       },
       "messageQueue": {
         "addToQueue": "대기열에 추가",

src/i18n/messages/pt.json

@@ -1439,7 +1439,9 @@
         "cancel": "Cancelar",
         "send": "Enviar",
         "forkAndSend": "Fork & Enviar",
-        "slashCommands": "Comandos de barra"
+        "slashCommands": "Comandos de barra",
+        "expertSkills": "Habilidades de especialistas",
+        "expertsEmptyForAgent": "Este agente não tem especialistas ativados. Ative-os em Configurações > Especialistas."
       },
       "messageQueue": {
         "addToQueue": "Adicionar à fila",

src/i18n/messages/zh-CN.json

@@ -1439,7 +1439,9 @@
         "cancel": "取消",
         "send": "发送",
         "forkAndSend": "分叉发送",
-        "slashCommands": "斜杠命令"
+        "slashCommands": "斜杠命令",
+        "expertSkills": "专家技能",
+        "expertsEmptyForAgent": "该智能体没有启用任何专家。请在「设置 > 专家」中启用。"
       },
       "messageQueue": {
         "addToQueue": "加入队列",

src/i18n/messages/zh-TW.json

@@ -1439,7 +1439,9 @@
         "cancel": "取消",
         "send": "傳送",
         "forkAndSend": "分叉發送",
-        "slashCommands": "斜線命令"
+        "slashCommands": "斜線命令",
+        "expertSkills": "專家技能",
+        "expertsEmptyForAgent": "該智慧代理沒有啟用任何專家。請在「設定 > 專家」中啟用。"
       },
       "messageQueue": {
         "addToQueue": "加入佇列",