✨ feat(datagrid): 完善左固定列体验并统一选中主题色

- 虚拟表横滚：表头 sticky + 表体 translateX 补偿，勾选/行号/钉住列同步固定
- 支持列头钉住左侧、钉住列显示图标；序号列可拖宽且不参与排序
- 行选中与单元格选区统一 V2 绿色，固定列底色对齐 --gn-bg-panel
- 查询结果页启用列头筛选，并在客户端按条件过滤当前结果集

shared/i18n/de-DE.json

@@ -3840,6 +3840,9 @@
   "data_grid.context_menu.export_selected": "Ausgewählte Daten exportieren",
   "data_grid.context_menu.fill_to_selected_rows": "In ausgewählte Zeilen füllen ({{count}})",
   "data_grid.context_menu.hide_column": "Dieses Feld ausblenden",
+  "data_grid.context_menu.pin_column_left": "Links anheften",
+  "data_grid.context_menu.unpin_column_left": "Anheften aufheben",
+  "data_grid.message.pin_column_unavailable": "Fixierte Spalten können in dieser Ansicht nicht gespeichert werden",
   "data_grid.context_menu.hide_column_comment": "Feldkommentar ausblenden",
   "data_grid.context_menu.hide_column_type": "Feldtyp ausblenden",
   "data_grid.context_menu.paste_copied_columns": "Kopierte Spalten einfügen (gleiche Namen)",

shared/i18n/en-US.json

@@ -3840,6 +3840,9 @@
   "data_grid.context_menu.export_selected": "Export selected data",
   "data_grid.context_menu.fill_to_selected_rows": "Fill to selected rows ({{count}})",
   "data_grid.context_menu.hide_column": "Hide this field",
+  "data_grid.context_menu.pin_column_left": "Pin to left",
+  "data_grid.context_menu.unpin_column_left": "Unpin column",
+  "data_grid.message.pin_column_unavailable": "Cannot remember pinned columns in this view",
   "data_grid.context_menu.hide_column_comment": "Hide field comment",
   "data_grid.context_menu.hide_column_type": "Hide field type",
   "data_grid.context_menu.paste_copied_columns": "Paste copied columns (same names)",

shared/i18n/ja-JP.json

@@ -3840,6 +3840,9 @@
   "data_grid.context_menu.export_selected": "選択データをエクスポート",
   "data_grid.context_menu.fill_to_selected_rows": "選択行へ入力（{{count}}）",
   "data_grid.context_menu.hide_column": "このフィールドを非表示",
+  "data_grid.context_menu.pin_column_left": "左に固定",
+  "data_grid.context_menu.unpin_column_left": "固定を解除",
+  "data_grid.message.pin_column_unavailable": "このビューでは列の固定を記憶できません",
   "data_grid.context_menu.hide_column_comment": "フィールドコメントを非表示",
   "data_grid.context_menu.hide_column_type": "フィールド型を非表示",
   "data_grid.context_menu.paste_copied_columns": "コピーした列を貼り付け（同名列）",

shared/i18n/ru-RU.json

@@ -3840,6 +3840,9 @@
   "data_grid.context_menu.export_selected": "Экспортировать выбранные данные",
   "data_grid.context_menu.fill_to_selected_rows": "Заполнить выбранные строки ({{count}})",
   "data_grid.context_menu.hide_column": "Скрыть это поле",
+  "data_grid.context_menu.pin_column_left": "Закрепить слева",
+  "data_grid.context_menu.unpin_column_left": "Открепить столбец",
+  "data_grid.message.pin_column_unavailable": "В этом представлении нельзя запомнить закреплённые столбцы",
   "data_grid.context_menu.hide_column_comment": "Скрыть комментарий поля",
   "data_grid.context_menu.hide_column_type": "Скрыть тип поля",
   "data_grid.context_menu.paste_copied_columns": "Вставить скопированные столбцы (с теми же именами)",

shared/i18n/zh-CN.json

@@ -3840,6 +3840,9 @@
   "data_grid.context_menu.export_selected": "导出选中数据",
   "data_grid.context_menu.fill_to_selected_rows": "填充到选中行（{{count}}）",
   "data_grid.context_menu.hide_column": "隐藏此字段",
+  "data_grid.context_menu.pin_column_left": "固定到左侧",
+  "data_grid.context_menu.unpin_column_left": "取消固定",
+  "data_grid.message.pin_column_unavailable": "当前视图无法记忆固定列",
   "data_grid.context_menu.hide_column_comment": "隐藏字段备注",
   "data_grid.context_menu.hide_column_type": "隐藏字段类型",
   "data_grid.context_menu.paste_copied_columns": "粘贴已复制列（同名列）",

shared/i18n/zh-TW.json

@@ -3840,6 +3840,9 @@
   "data_grid.context_menu.export_selected": "匯出選取資料",
   "data_grid.context_menu.fill_to_selected_rows": "填入到選取列（{{count}}）",
   "data_grid.context_menu.hide_column": "隱藏此欄位",
+  "data_grid.context_menu.pin_column_left": "固定到左側",
+  "data_grid.context_menu.unpin_column_left": "取消固定",
+  "data_grid.message.pin_column_unavailable": "目前檢視無法記憶固定欄",
   "data_grid.context_menu.hide_column_comment": "隱藏欄位備註",
   "data_grid.context_menu.hide_column_type": "隱藏欄位型別",
   "data_grid.context_menu.paste_copied_columns": "貼上已複製欄位（同名欄位）",