feat(conversation): add copy text context menu action with preserved selection

src/i18n/messages/ar.json

@@ -828,6 +828,9 @@
       "reload": "إعادة تحميل",
       "newConversation": "محادثة جديدة",
       "closeConversation": "إغلاق المحادثة",
+      "copyText": "نسخ النص",
+      "copyTextSuccess": "تم النسخ",
+      "copyTextFailed": "فشل النسخ",
       "forkSession": "تفريع الجلسة",
       "forkSessionSuccess": "تم تفريع الجلسة بنجاح",
       "forkSessionFailed": "فشل في تفريع الجلسة: {error}",

src/i18n/messages/de.json

@@ -828,6 +828,9 @@
       "reload": "Neu laden",
       "newConversation": "Neue Konversation",
       "closeConversation": "Konversation schließen",
+      "copyText": "Text kopieren",
+      "copyTextSuccess": "Kopiert",
+      "copyTextFailed": "Kopieren fehlgeschlagen",
       "forkSession": "Sitzung forken",
       "forkSessionSuccess": "Sitzung erfolgreich geforkt",
       "forkSessionFailed": "Sitzung konnte nicht geforkt werden: {error}",

src/i18n/messages/en.json

@@ -828,6 +828,9 @@
       "reload": "Reload",
       "newConversation": "New Conversation",
       "closeConversation": "Close Conversation",
+      "copyText": "Copy Text",
+      "copyTextSuccess": "Copied",
+      "copyTextFailed": "Copy failed",
       "forkSession": "Fork Session",
       "forkSessionSuccess": "Session forked successfully",
       "forkSessionFailed": "Failed to fork session: {error}",

src/i18n/messages/es.json

@@ -828,6 +828,9 @@
       "reload": "Recargar",
       "newConversation": "Nueva conversación",
       "closeConversation": "Cerrar conversación",
+      "copyText": "Copiar texto",
+      "copyTextSuccess": "Copiado",
+      "copyTextFailed": "Error al copiar",
       "forkSession": "Bifurcar sesión",
       "forkSessionSuccess": "Sesión bifurcada exitosamente",
       "forkSessionFailed": "Error al bifurcar la sesión: {error}",

src/i18n/messages/fr.json

@@ -828,6 +828,9 @@
       "reload": "Recharger",
       "newConversation": "Nouvelle conversation",
       "closeConversation": "Fermer la conversation",
+      "copyText": "Copier le texte",
+      "copyTextSuccess": "Copié",
+      "copyTextFailed": "Échec de la copie",
       "forkSession": "Dupliquer la session",
       "forkSessionSuccess": "Session dupliquée avec succès",
       "forkSessionFailed": "Échec de la duplication de la session : {error}",

src/i18n/messages/ja.json

@@ -828,6 +828,9 @@
       "reload": "再読み込み",
       "newConversation": "新しい会話",
       "closeConversation": "会話を閉じる",
+      "copyText": "テキストをコピー",
+      "copyTextSuccess": "コピーしました",
+      "copyTextFailed": "コピーに失敗しました",
       "forkSession": "セッションをフォーク",
       "forkSessionSuccess": "セッションのフォークに成功しました",
       "forkSessionFailed": "セッションのフォークに失敗しました：{error}",

src/i18n/messages/ko.json

@@ -828,6 +828,9 @@
       "reload": "다시 불러오기",
       "newConversation": "새 대화",
       "closeConversation": "대화 닫기",
+      "copyText": "텍스트 복사",
+      "copyTextSuccess": "복사됨",
+      "copyTextFailed": "복사 실패",
       "forkSession": "세션 포크",
       "forkSessionSuccess": "세션 포크 성공",
       "forkSessionFailed": "세션 포크 실패: {error}",

src/i18n/messages/pt.json

@@ -828,6 +828,9 @@
       "reload": "Recarregar",
       "newConversation": "Nova conversa",
       "closeConversation": "Fechar conversa",
+      "copyText": "Copiar texto",
+      "copyTextSuccess": "Copiado",
+      "copyTextFailed": "Falha ao copiar",
       "forkSession": "Bifurcar sessão",
       "forkSessionSuccess": "Sessão bifurcada com sucesso",
       "forkSessionFailed": "Falha ao bifurcar a sessão: {error}",

src/i18n/messages/zh-CN.json

@@ -828,6 +828,9 @@
       "reload": "重新加载",
       "newConversation": "新建会话",
       "closeConversation": "关闭会话",
+      "copyText": "复制文本",
+      "copyTextSuccess": "已复制",
+      "copyTextFailed": "复制失败",
       "forkSession": "分叉会话",
       "forkSessionSuccess": "会话分叉成功",
       "forkSessionFailed": "会话分叉失败：{error}",

src/i18n/messages/zh-TW.json

@@ -828,6 +828,9 @@
       "reload": "重新載入",
       "newConversation": "新增會話",
       "closeConversation": "關閉會話",
+      "copyText": "複製文字",
+      "copyTextSuccess": "已複製",
+      "copyTextFailed": "複製失敗",
       "forkSession": "分叉會話",
       "forkSessionSuccess": "會話分叉成功",
       "forkSessionFailed": "會話分叉失敗：{error}",