feat: add bulk delete for session manager (#1693)

* feat: add bulk delete for session manager

* fix: address batch delete review issues

* fix: keep session list in sync after batch delete

src/i18n/locales/en.json

@@ -613,6 +613,16 @@
     "searchSessions": "Search sessions",
     "providerFilterAll": "All",
     "sessionList": "Sessions",
+    "manageBatchTooltip": "Enter batch management",
+    "exitBatchModeTooltip": "Exit batch management",
+    "batchModeHint": "Select sessions to delete",
+    "selectForBatch": "Select session",
+    "selectedCount": "{{count}} selected",
+    "selectAllFiltered": "Select all",
+    "clearFilteredSelection": "Clear selection",
+    "clearSelection": "Clear",
+    "deleteSelected": "Delete",
+    "batchDeleting": "Deleting...",
     "loadingSessions": "Loading sessions...",
     "noSessions": "No sessions found",
     "selectSession": "Select a session to view details",
@@ -641,6 +651,12 @@
     "deleteConfirmAction": "Delete session",
     "sessionDeleted": "Session deleted",
     "deleteFailed": "Failed to delete session: {{error}}",
+    "batchDeleteConfirmTitle": "Delete selected sessions",
+    "batchDeleteConfirmMessage": "This will permanently delete {{count}} selected local sessions.\n\nThis action cannot be undone.",
+    "batchDeleteConfirmAction": "Delete selected",
+    "batchDeleteSuccess": "Deleted {{count}} sessions",
+    "batchDeleteFailed": "{{failed}} sessions could not be deleted",
+    "batchDeleteRequestFailed": "Batch delete failed. Please try again later.",
     "loadingMessages": "Loading transcript...",
     "emptySession": "No messages available",
     "clickToCopyPath": "Click to copy path",

src/i18n/locales/ja.json

@@ -613,6 +613,16 @@
     "searchSessions": "セッションを検索",
     "providerFilterAll": "すべて",
     "sessionList": "セッション一覧",
+    "manageBatchTooltip": "一括管理に入る",
+    "exitBatchModeTooltip": "一括管理を終了",
+    "batchModeHint": "削除するセッションを選択",
+    "selectForBatch": "セッションを選択",
+    "selectedCount": "{{count}} 件を選択中",
+    "selectAllFiltered": "一覧を全選択",
+    "clearFilteredSelection": "全選択を解除",
+    "clearSelection": "クリア",
+    "deleteSelected": "削除",
+    "batchDeleting": "削除中...",
     "loadingSessions": "セッションを読み込み中...",
     "noSessions": "セッションが見つかりません",
     "selectSession": "セッションを選択してください",
@@ -641,6 +651,12 @@
     "deleteConfirmAction": "セッションを削除",
     "sessionDeleted": "セッションを削除しました",
     "deleteFailed": "セッションの削除に失敗しました: {{error}}",
+    "batchDeleteConfirmTitle": "選択したセッションを削除",
+    "batchDeleteConfirmMessage": "選択した {{count}} 件のローカルセッションを完全に削除します。\n\nこの操作は元に戻せません。",
+    "batchDeleteConfirmAction": "選択した項目を削除",
+    "batchDeleteSuccess": "{{count}} 件のセッションを削除しました",
+    "batchDeleteFailed": "{{failed}} 件のセッションを削除できませんでした",
+    "batchDeleteRequestFailed": "一括削除に失敗しました。しばらくしてから再試行してください。",
     "loadingMessages": "内容を読み込み中...",
     "emptySession": "表示できる内容がありません",
     "clickToCopyPath": "クリックしてパスをコピー",

src/i18n/locales/zh.json

@@ -613,6 +613,16 @@
     "searchSessions": "搜索会话",
     "providerFilterAll": "全部",
     "sessionList": "会话列表",
+    "manageBatchTooltip": "进入批量管理",
+    "exitBatchModeTooltip": "退出批量管理",
+    "batchModeHint": "勾选要删除的会话",
+    "selectForBatch": "选择会话",
+    "selectedCount": "已选 {{count}} 项",
+    "selectAllFiltered": "全选当前",
+    "clearFilteredSelection": "取消全选",
+    "clearSelection": "清空已选",
+    "deleteSelected": "批量删除",
+    "batchDeleting": "删除中...",
     "loadingSessions": "加载会话中...",
     "noSessions": "未发现会话",
     "selectSession": "请选择会话查看详情",
@@ -641,6 +651,12 @@
     "deleteConfirmAction": "删除会话",
     "sessionDeleted": "会话已删除",
     "deleteFailed": "删除会话失败: {{error}}",
+    "batchDeleteConfirmTitle": "批量删除会话",
+    "batchDeleteConfirmMessage": "将永久删除已选中的 {{count}} 个本地会话记录。\n\n此操作不可恢复。",
+    "batchDeleteConfirmAction": "删除所选会话",
+    "batchDeleteSuccess": "已删除 {{count}} 个会话",
+    "batchDeleteFailed": "{{failed}} 个会话删除失败",
+    "batchDeleteRequestFailed": "批量删除失败，请稍后重试",
     "loadingMessages": "加载会话内容中...",
     "emptySession": "该会话暂无可展示内容",
     "clickToCopyPath": "点击复制路径",