fix: merge后14个测试修复+前端TS编译修复 - 895/895通过+前端零错误

frontend/src/components/SqlEditor.tsx

@@ -13,7 +13,6 @@ import {
 } from '@codemirror/language';
 import { closeBrackets, closeBracketsKeymap } from '@codemirror/autocomplete';
 import { searchKeymap, highlightSelectionMatches } from '@codemirror/search';
-import { rectangularSelection } from '@codemirror/rectangular-selection';
 
 // ---------------------------------------------------------------------------
 // Types
@@ -296,7 +295,6 @@ const SqlEditor: React.FC<SqlEditorProps> = ({
         bracketMatching(),
         closeBrackets(),
         highlightSelectionMatches(),
-        rectangularSelection(),
         syntaxHighlighting(defaultHighlightStyle, { fallback: true }),
         appTheme,
         oneDark,