import React from 'react';
import { readFileSync } from 'node:fs';
import { act, create, type ReactTestRenderer } from 'react-test-renderer';
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';

import type { SavedQuery, TabData } from '../types';
import { ORACLE_ROWID_LOCATOR_COLUMN } from '../utils/rowLocator';
import { clearQueryTabDraft, clearSQLFileTabDraft, getQueryTabDraft, getSQLFileTabDraft } from '../utils/sqlFileTabDrafts';
import QueryEditor, {
  collectQueryEditorObjectDecorationCandidates,
  resolveQueryEditorNavigationTarget,
} from './QueryEditor';

const storeState = vi.hoisted(() => ({
  connections: [
    {
      id: 'conn-1',
      name: 'local',
      config: {
        type: 'mysql',
        host: '127.0.0.1',
        port: 3306,
        user: 'root',
        password: '',
        database: 'main',
      },
    },
  ],
  addSqlLog: vi.fn(),
  addTab: vi.fn(),
  setActiveContext: vi.fn(),
  updateQueryTabDraft: vi.fn(),
  savedQueries: [] as SavedQuery[],
  saveQuery: vi.fn(),
  theme: 'light',
  appearance: { uiVersion: 'legacy' as 'legacy' | 'v2' },
  sqlFormatOptions: { keywordCase: 'upper' as const },
  setSqlFormatOptions: vi.fn(),
  queryOptions: {
    maxRows: 5000,
    showColumnComment: true,
    showColumnType: true,
    showQueryResultsPanel: false,
  },
  setQueryOptions: vi.fn(),
  sqlEditorTransactionOptions: {
    commitMode: 'manual' as 'manual' | 'auto',
    autoCommitDelayMs: 0,
  },
  setSqlEditorTransactionOptions: vi.fn(),
  sqlEditorPendingTransactions: {} as Record<string, unknown>,
  setSqlEditorPendingTransaction: vi.fn(),
  shortcutOptions: {
    runQuery: {
      mac: { enabled: false, combo: '' },
      windows: { enabled: false, combo: '' },
    },
    selectCurrentStatement: {
      mac: { enabled: false, combo: '' },
      windows: { enabled: false, combo: '' },
    },
    saveQuery: {
      mac: { enabled: true, combo: 'Meta+S' },
      windows: { enabled: true, combo: 'Ctrl+S' },
    },
    toggleQueryResultsPanel: {
      mac: { enabled: true, combo: 'Meta+Shift+M' },
      windows: { enabled: true, combo: 'Ctrl+Shift+M' },
    },
  },
  activeTabId: 'tab-1',
  aiPanelVisible: false,
  setAIPanelVisible: vi.fn(),
  sqlSnippets: [] as any[],
}));

const backendApp = vi.hoisted(() => ({
  DBQuery: vi.fn(),
  DBQueryWithCancel: vi.fn(),
  DBQueryMulti: vi.fn(),
  DBQueryMultiTransactional: vi.fn(),
  DBCommitTransaction: vi.fn(),
  DBRollbackTransaction: vi.fn(),
  DBGetTables: vi.fn(),
  DBGetAllColumns: vi.fn(),
  DBGetDatabases: vi.fn(),
  DBGetColumns: vi.fn(),
  DBGetIndexes: vi.fn(),
  CancelQuery: vi.fn(),
  GenerateQueryID: vi.fn(),
  WriteSQLFile: vi.fn(),
  ExportSQLFile: vi.fn(),
}));

const messageApi = vi.hoisted(() => ({
  error: vi.fn(),
  info: vi.fn(),
  success: vi.fn(),
  warning: vi.fn(),
}));

const dataGridState = vi.hoisted(() => ({
  latestProps: null as any,
}));

const tabsState = vi.hoisted(() => ({
  activeKey: undefined as string | undefined,
}));

const autoFetchState = vi.hoisted(() => ({
  visible: false,
}));

const editorState = vi.hoisted(() => {
  const state = {
    value: '',
    editor: null as any,
    domNode: { style: { cursor: '' }, addEventListener: vi.fn(), removeEventListener: vi.fn() },
    position: { lineNumber: 1, column: 1 },
    selection: null as any,
    providers: [] as any[],
    hoverProviders: [] as any[],
    cursorPositionListeners: [] as Array<(event: any) => void>,
    modelContentListeners: [] as Array<(event: any) => void>,
    mouseMoveListeners: [] as Array<(event: any) => void>,
    mouseDownListeners: [] as Array<(event: any) => void>,
    mouseLeaveListeners: [] as Array<() => void>,
    hasTextFocus: true,
    decorationIds: [] as string[],
    contentHoverCalls: [] as any[],
    latestOnChange: null as null | ((value?: string) => void),
  };
  const offsetAt = (position: { lineNumber: number; column: number }) => {
    const text = state.value;
    let offset = 0;
    for (let lineNumber = 1; lineNumber < Math.max(1, position.lineNumber); lineNumber++) {
      const nextLineBreak = text.indexOf('\n', offset);
      if (nextLineBreak === -1) {
        return text.length;
      }
      offset = nextLineBreak + 1;
    }
    return Math.min(text.length, offset + Math.max(0, position.column - 1));
  };
  const positionAt = (offset: number) => {
    const text = state.value.replace(/\r\n/g, '\n');
    const safeOffset = Math.max(0, Math.min(text.length, Number(offset) || 0));
    const prefix = text.slice(0, safeOffset);
    const lines = prefix.split('\n');
    return { lineNumber: lines.length, column: (lines[lines.length - 1]?.length || 0) + 1 };
  };
  const valueInRange = (range: any) => {
    if (!range) return '';
    const start = offsetAt({ lineNumber: range.startLineNumber, column: range.startColumn });
    const end = offsetAt({ lineNumber: range.endLineNumber, column: range.endColumn });
    return state.value.slice(Math.min(start, end), Math.max(start, end));
  };
  const model = {
    getValue: vi.fn(() => state.value),
    getValueLength: vi.fn(() => state.value.length),
    setValue: (value: string) => {
      state.value = value;
    },
    getValueInRange: valueInRange,
    getLineContent: (lineNumber: number) => state.value.replace(/\r\n/g, '\n').split('\n')[lineNumber - 1] || '',
    getLineCount: () => state.value.replace(/\r\n/g, '\n').split('\n').length,
    getLineMaxColumn: (lineNumber: number) => (state.value.replace(/\r\n/g, '\n').split('\n')[lineNumber - 1] || '').length + 1,
    getWordUntilPosition: (position: { lineNumber: number; column: number }) => {
      const lineContent = model.getLineContent(position.lineNumber);
      const beforeCursor = lineContent.slice(0, Math.max(0, position.column - 1));
      const word = beforeCursor.match(/[A-Za-z0-9_$]*$/)?.[0] || '';
      return {
        startColumn: position.column - word.length,
        endColumn: position.column,
        word,
      };
    },
    getOffsetAt: offsetAt,
    getPositionAt: positionAt,
  };
  state.editor = {
    getValue: vi.fn(() => state.value),
    setValue: vi.fn((value: string) => {
      state.value = value;
    }),
    getModel: vi.fn(() => model),
    getPosition: vi.fn(() => state.position),
    setPosition: vi.fn((position: any) => {
      state.position = position;
    }),
    getSelection: vi.fn(() => state.selection),
    getDomNode: vi.fn(() => state.domNode),
    getContribution: vi.fn((id: string) => {
      if (id === 'editor.contrib.contentHover') {
        return {
          showContentHover: vi.fn((range: any, mode: any, source: any, focus: any) => {
            state.contentHoverCalls.push({ range, mode, source, focus });
          }),
        };
      }
      return null;
    }),
    setSelection: vi.fn((selection: any) => {
      state.selection = selection;
    }),
    executeEdits: vi.fn((_source: string, edits: any[]) => {
      edits.forEach((edit) => {
        const start = offsetAt({ lineNumber: edit.range.startLineNumber, column: edit.range.startColumn });
        const end = offsetAt({ lineNumber: edit.range.endLineNumber, column: edit.range.endColumn });
        state.value = state.value.slice(0, start) + edit.text + state.value.slice(end);
      });
    }),
    addAction: vi.fn(),
    onDidChangeModelContent: vi.fn((listener: (event: any) => void) => {
      state.modelContentListeners.push(listener);
      return { dispose: vi.fn() };
    }),
    onDidChangeCursorPosition: vi.fn((listener: (event: any) => void) => {
      state.cursorPositionListeners.push(listener);
      return { dispose: vi.fn() };
    }),
    onMouseMove: vi.fn((listener: (event: any) => void) => {
      state.mouseMoveListeners.push(listener);
      return { dispose: vi.fn() };
    }),
    onMouseDown: vi.fn((listener: (event: any) => void) => {
      state.mouseDownListeners.push(listener);
      return { dispose: vi.fn() };
    }),
    onMouseLeave: vi.fn((listener: () => void) => {
      state.mouseLeaveListeners.push(listener);
      return { dispose: vi.fn() };
    }),
    deltaDecorations: vi.fn((oldDecorations: string[], newDecorations: any[]) => {
      state.decorationIds = newDecorations.map((_: any, index: number) => `decoration-${index + 1}`);
      return state.decorationIds;
    }),
    updateOptions: vi.fn(),
    pushUndoStop: vi.fn(),
    onDidDispose: vi.fn(),
    hasTextFocus: vi.fn(() => state.hasTextFocus),
    revealLineInCenterIfOutsideViewport: vi.fn(),
    revealRangeInCenterIfOutsideViewport: vi.fn(),
    layout: vi.fn(),
    focus: vi.fn(),
    trigger: vi.fn(),
  };
  return state;
});

vi.mock('../store', () => {
  const useStore = Object.assign(
    (selector: (state: typeof storeState) => any) => selector(storeState),
    { getState: () => storeState },
  );
  return { useStore };
});

vi.mock('../../wailsjs/go/app/App', () => backendApp);

vi.mock('../utils/autoFetchVisibility', () => ({
  useAutoFetchVisibility: () => autoFetchState.visible,
}));

vi.mock('@monaco-editor/react', () => ({
  default: ({ defaultValue, onChange, onMount }: any) => {
    React.useEffect(() => {
      editorState.value = String(defaultValue || '');
      editorState.latestOnChange = onChange;
      onMount?.(editorState.editor, {
        editor: { setTheme: vi.fn() },
        KeyMod: { CtrlCmd: 2048, WinCtrl: 256 },
        KeyCode: { KeyM: 77, KeyQ: 81, KeyS: 83 },
        languages: {
          CompletionItemKind: { Keyword: 1, Function: 2, Field: 3 },
          CompletionItemInsertTextRule: { InsertAsSnippet: 1 },
          registerCompletionItemProvider: vi.fn((_language: string, provider: any) => {
            editorState.providers.push(provider);
            return { dispose: vi.fn() };
          }),
          registerHoverProvider: vi.fn((_language: string, provider: any) => {
            editorState.hoverProviders.push(provider);
            return { dispose: vi.fn() };
          }),
        },
        Range: class {
          startLineNumber: number;
          startColumn: number;
          endLineNumber: number;
          endColumn: number;
          constructor(startLineNumber: number, startColumn: number, endLineNumber: number, endColumn: number) {
            this.startLineNumber = startLineNumber;
            this.startColumn = startColumn;
            this.endLineNumber = endLineNumber;
            this.endColumn = endColumn;
          }
        },
        MarkdownString: class {
          value: string;
          constructor(value: string) {
            this.value = value;
          }
        },
        Position: class {
          lineNumber: number;
          column: number;
          constructor(lineNumber: number, column: number) {
            this.lineNumber = lineNumber;
            this.column = column;
          }
        },
      });
    }, []);
    return <textarea data-editor value={editorState.value} readOnly />;
  },
}));

vi.mock('./DataGrid', () => ({
  default: (props: any) => {
    dataGridState.latestProps = props;
    return (
      <div data-grid="true">
        {props.toolbarExtraActions ?? null}
      </div>
    );
  },
  GONAVI_ROW_KEY: '__gonavi_row_key__',
}));

vi.mock('@ant-design/icons', () => {
  const Icon = () => <span />;
  return {
    PlayCircleOutlined: Icon,
    SaveOutlined: Icon,
    FormatPainterOutlined: Icon,
    SettingOutlined: Icon,
    CloseOutlined: Icon,
    StopOutlined: Icon,
    RobotOutlined: Icon,
    DatabaseOutlined: Icon,
    EyeOutlined: Icon,
    EyeInvisibleOutlined: Icon,
  };
});

vi.mock('antd', () => {
  const Button: any = ({ children, disabled, loading, onClick, onMouseDown, ...rest }: any) => (
    <button type="button" disabled={disabled || loading} onClick={onClick} onMouseDown={onMouseDown} {...rest}>
      {children}
    </button>
  );
  Button.Group = ({ children }: any) => <div>{children}</div>;
  const Space: any = ({ children }: any) => <div>{children}</div>;
  Space.Compact = ({ children, className }: any) => <div className={className}>{children}</div>;

  const Form: any = ({ children }: any) => <form>{children}</form>;
  Form.Item = ({ children }: any) => <>{children}</>;
  Form.useForm = () => [{ setFieldsValue: vi.fn(), validateFields: vi.fn(() => Promise.resolve({ name: '查询' })) }];

  return {
    Button,
    Space,
    message: messageApi,
    Modal: ({ children, open, onOk, okText = '确认' }: any) => (open ? (
      <section>
        {children}
        <button type="button" onClick={onOk}>{okText}</button>
      </section>
    ) : null),
    Input: ({ value, onChange, placeholder }: any) => <input value={value} onChange={onChange} placeholder={placeholder} />,
    Form,
    Dropdown: ({ children, menu }: any) => (
      <>
        {children}
        {menu?.items?.map((item: any) => (
          item?.type === 'divider'
            ? null
            : <button key={item.key} type="button" disabled={item.disabled} onClick={item.onClick}>{item.label}</button>
        ))}
      </>
    ),
    Tooltip: ({ children }: any) => <>{children}</>,
    Select: () => null,
    Tabs: ({ activeKey, items, onChange, tabBarExtraContent }: any) => {
      const resolvedActiveKey = tabsState.activeKey ?? activeKey ?? items?.[0]?.key;
      const activeItem = items?.find((item: any) => item.key === resolvedActiveKey) || items?.[0];
      return (
        <div>
          <div>
            {items?.map((item: any) => (
              <button
                key={item.key}
                type="button"
                data-tab-key={item.key}
                onClick={() => {
                  tabsState.activeKey = item.key;
                  onChange?.(item.key);
                }}
              >
                {item.label}
              </button>
            ))}
            {tabBarExtraContent?.right ?? null}
          </div>
          <div>{activeItem?.children}</div>
        </div>
      );
    },
  };
});

const textContent = (node: any): string =>
  (node.children || [])
    .map((item: any) => (typeof item === 'string' ? item : textContent(item)))
    .join('');

const findButton = (renderer: ReactTestRenderer, text: string) =>
  renderer.root.findAll((node) => node.type === 'button' && textContent(node).includes(text))[0];

const findExactButton = (renderer: ReactTestRenderer, text: string) =>
  renderer.root.findAll((node) => node.type === 'button' && textContent(node) === text)[0];

const createTab = (overrides: Partial<TabData> = {}): TabData => ({
  id: 'tab-1',
  title: 'query.sql',
  type: 'query',
  connectionId: 'conn-1',
  dbName: 'main',
  query: 'select 1;',
  ...overrides,
});

describe('QueryEditor external SQL save', () => {
  beforeEach(() => {
    const completionState = (globalThis as any).__gonaviSqlCompletionState;
    if (completionState) {
      completionState.registered = false;
      completionState.disposables = [];
    }
    vi.stubGlobal('window', {
      addEventListener: vi.fn(),
      removeEventListener: vi.fn(),
      dispatchEvent: vi.fn(),
      requestAnimationFrame: vi.fn((callback: FrameRequestCallback) => {
        callback(0);
        return 1;
      }),
      cancelAnimationFrame: vi.fn(),
      innerHeight: 900,
    });
    vi.stubGlobal('document', {
      addEventListener: vi.fn(),
      removeEventListener: vi.fn(),
    });
    storeState.addTab.mockReset();
    storeState.setActiveContext.mockReset();
    storeState.saveQuery.mockReset();
    storeState.savedQueries = [];
    storeState.activeTabId = 'tab-1';
    storeState.queryOptions = {
      maxRows: 5000,
      showColumnComment: true,
      showColumnType: true,
      showQueryResultsPanel: false,
    };
    storeState.sqlEditorTransactionOptions = {
      commitMode: 'manual',
      autoCommitDelayMs: 0,
    };
    storeState.shortcutOptions = {
      runQuery: {
        mac: { enabled: false, combo: '' },
        windows: { enabled: false, combo: '' },
      },
      selectCurrentStatement: {
        mac: { enabled: false, combo: '' },
        windows: { enabled: false, combo: '' },
      },
      saveQuery: {
        mac: { enabled: true, combo: 'Meta+S' },
        windows: { enabled: true, combo: 'Ctrl+S' },
      },
      toggleQueryResultsPanel: {
        mac: { enabled: true, combo: 'Meta+Shift+M' },
        windows: { enabled: true, combo: 'Ctrl+Shift+M' },
      },
    };
    storeState.setQueryOptions.mockReset();
    storeState.setQueryOptions.mockImplementation((options: Record<string, unknown>) => {
      storeState.queryOptions = { ...storeState.queryOptions, ...options };
    });
    storeState.setSqlEditorTransactionOptions.mockReset();
    storeState.setSqlEditorTransactionOptions.mockImplementation((options: Record<string, unknown>) => {
      storeState.sqlEditorTransactionOptions = { ...storeState.sqlEditorTransactionOptions, ...options };
    });
    storeState.sqlEditorPendingTransactions = {};
    storeState.setSqlEditorPendingTransaction.mockReset();
    storeState.setSqlEditorPendingTransaction.mockImplementation((tabId: string, transaction: unknown) => {
      if (!transaction) {
        delete storeState.sqlEditorPendingTransactions[tabId];
        return;
      }
      storeState.sqlEditorPendingTransactions[tabId] = transaction;
    });
    messageApi.success.mockReset();
    messageApi.error.mockReset();
    messageApi.warning.mockReset();
    backendApp.DBQuery.mockResolvedValue({ success: true, data: [] });
    backendApp.WriteSQLFile.mockResolvedValue({ success: true });
    backendApp.ExportSQLFile.mockResolvedValue({ success: true });
    backendApp.DBQueryWithCancel.mockResolvedValue({ success: true, data: [] });
    backendApp.DBQueryMulti.mockResolvedValue({ success: true, data: [] });
    backendApp.DBQueryMultiTransactional.mockResolvedValue({ success: true, data: [] });
    backendApp.DBCommitTransaction.mockResolvedValue({ success: true, message: '事务已提交' });
    backendApp.DBRollbackTransaction.mockResolvedValue({ success: true, message: '事务已回滚' });
    backendApp.DBGetColumns.mockResolvedValue({ success: true, data: [] });
    backendApp.DBGetIndexes.mockResolvedValue({ success: true, data: [] });
    backendApp.DBGetAllColumns.mockResolvedValue({ success: true, data: [] });
    backendApp.DBGetDatabases.mockResolvedValue({ success: true, data: [] });
    backendApp.DBGetTables.mockResolvedValue({ success: true, data: [] });
    backendApp.GenerateQueryID.mockResolvedValue('query-1');
    storeState.connections[0].config.type = 'mysql';
    storeState.connections[0].config.database = 'main';
    storeState.appearance.uiVersion = 'legacy';
    autoFetchState.visible = false;
    dataGridState.latestProps = null;
    tabsState.activeKey = undefined;
    editorState.value = '';
    editorState.position = { lineNumber: 1, column: 1 };
    editorState.selection = null;
    editorState.domNode.style.cursor = '';
    editorState.providers = [];
    editorState.hoverProviders = [];
    editorState.cursorPositionListeners = [];
    editorState.modelContentListeners = [];
    editorState.mouseMoveListeners = [];
    editorState.mouseDownListeners = [];
    editorState.mouseLeaveListeners = [];
    editorState.hasTextFocus = true;
    editorState.decorationIds = [];
    editorState.contentHoverCalls = [];
    editorState.latestOnChange = null;
    editorState.editor.getValue.mockClear();
    editorState.editor.getModel().getValue.mockClear();
    editorState.editor.getModel().getValueLength.mockClear();
    editorState.editor.setValue.mockClear();
    editorState.editor.executeEdits.mockClear();
    editorState.editor.deltaDecorations.mockClear();
    editorState.editor.updateOptions.mockClear();
    editorState.editor.pushUndoStop.mockClear();
    editorState.editor.layout.mockClear();
    storeState.updateQueryTabDraft.mockReset();
    clearQueryTabDraft('tab-1');
    clearQueryTabDraft('tab-2');
    clearSQLFileTabDraft('tab-1');
    clearSQLFileTabDraft('tab-2');
  });

  afterEach(() => {
    vi.unstubAllGlobals();
    vi.clearAllMocks();
  });

  it('shows the default SQL template for a fresh blank query tab', async () => {
    await act(async () => {
      create(<QueryEditor tab={createTab({ query: '' })} />);
    });

    expect(editorState.value).toBe('SELECT * FROM ');
  });

  it('keeps the query results panel hidden by default on first entry', async () => {
    storeState.appearance.uiVersion = 'v2';

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab()} />);
    });

    expect(textContent(renderer.toJSON())).not.toContain('等待执行 SQL');
  });

  it('shows the empty query results panel after toggling the results button', async () => {
    storeState.appearance.uiVersion = 'v2';

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab()} />);
    });

    await act(async () => {
      findButton(renderer, '结果').props.onClick();
    });

    expect(textContent(renderer.toJSON())).toContain('等待执行 SQL');
    expect(storeState.updateQueryTabDraft).toHaveBeenCalledWith('tab-1', {
      resultPanelVisible: true,
    });
  });

  it('hides the expanded empty query results panel from the inline hide action', async () => {
    storeState.appearance.uiVersion = 'v2';

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab()} />);
    });

    await act(async () => {
      findButton(renderer, '结果').props.onClick();
    });
    expect(textContent(renderer.toJSON())).toContain('等待执行 SQL');

    await act(async () => {
      findButton(renderer, '隐藏').props.onClick();
    });

    expect(textContent(renderer.toJSON())).not.toContain('等待执行 SQL');
    expect(storeState.updateQueryTabDraft).toHaveBeenLastCalledWith('tab-1', {
      resultPanelVisible: false,
    });
  });

  it('auto expands the query results panel after a successful execution returns rows', async () => {
    storeState.appearance.uiVersion = 'v2';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['value'], rows: [{ value: 1 }] }],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: 'SELECT 1 AS value' })} />);
    });

    expect(textContent(renderer.toJSON())).not.toContain('结果 1');

    await act(async () => {
      await findButton(renderer, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(textContent(renderer.toJSON())).toContain('结果 1');
    expect(storeState.updateQueryTabDraft).toHaveBeenCalledWith('tab-1', {
      resultPanelVisible: true,
    });
  });

  it('keeps the inline hide action available after query results render rows', async () => {
    storeState.appearance.uiVersion = 'v2';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['value'], rows: [{ value: 1 }] }],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: 'SELECT 1 AS value' })} />);
    });

    await act(async () => {
      await findButton(renderer, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(textContent(renderer.toJSON())).toContain('结果 1');

    await act(async () => {
      findButton(renderer, '隐藏').props.onClick();
    });

    expect(textContent(renderer.toJSON())).not.toContain('结果 1');
    expect(storeState.updateQueryTabDraft).toHaveBeenLastCalledWith('tab-1', {
      resultPanelVisible: false,
    });
  });

  it('toggles the query results panel with Ctrl/Cmd+Shift+M', async () => {
    storeState.appearance.uiVersion = 'v2';

    const windowListeners: Record<string, ((event?: any) => void)[]> = {};
    vi.stubGlobal('window', {
      addEventListener: vi.fn((type: string, listener: (event?: any) => void) => {
        windowListeners[type] ||= [];
        windowListeners[type].push(listener);
      }),
      removeEventListener: vi.fn(),
      dispatchEvent: vi.fn(),
      requestAnimationFrame: vi.fn((callback: FrameRequestCallback) => {
        callback(0);
        return 1;
      }),
      cancelAnimationFrame: vi.fn(),
      innerHeight: 900,
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab()} />);
    });

    const toggleAction = editorState.editor.addAction.mock.calls
      .map((call: any[]) => call[0])
      .find((action: any) => action?.id === 'gonavi.toggleQueryResultsPanel');
    expect(toggleAction).toMatchObject({
      label: 'GoNavi: 切换结果区',
    });
    expect(toggleAction?.keybindings?.[0]).toBeGreaterThan(0);

    const isMacRuntime = /(Mac|iPhone|iPad|iPod)/i.test(`${navigator.platform || ''} ${navigator.userAgent || ''}`);
    const createToggleEvent = () => ({
      ctrlKey: !isMacRuntime,
      metaKey: isMacRuntime,
      altKey: false,
      shiftKey: true,
      key: 'm',
      target: null,
      preventDefault: vi.fn(),
      stopPropagation: vi.fn(),
    });

    const firstEvent = createToggleEvent();
    await act(async () => {
      windowListeners.keydown?.forEach((listener) => listener(firstEvent));
    });

    expect(firstEvent.preventDefault).toHaveBeenCalled();
    expect(firstEvent.stopPropagation).toHaveBeenCalled();
    expect(textContent(renderer.toJSON())).toContain('等待执行 SQL');

    const secondEvent = createToggleEvent();
    await act(async () => {
      windowListeners.keydown?.forEach((listener) => listener(secondEvent));
    });

    expect(secondEvent.preventDefault).toHaveBeenCalled();
    expect(secondEvent.stopPropagation).toHaveBeenCalled();
    expect(textContent(renderer.toJSON())).not.toContain('等待执行 SQL');
  });

  it('shows the query results panel with the shortcut after manually hiding it', async () => {
    storeState.appearance.uiVersion = 'v2';

    const windowListeners: Record<string, ((event?: any) => void)[]> = {};
    vi.stubGlobal('window', {
      addEventListener: vi.fn((type: string, listener: (event?: any) => void) => {
        windowListeners[type] ||= [];
        windowListeners[type].push(listener);
      }),
      removeEventListener: vi.fn(),
      dispatchEvent: vi.fn(),
      requestAnimationFrame: vi.fn((callback: FrameRequestCallback) => {
        callback(0);
        return 1;
      }),
      cancelAnimationFrame: vi.fn(),
      innerHeight: 900,
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab()} />);
    });

    await act(async () => {
      findButton(renderer, '结果').props.onClick();
    });
    await act(async () => {
      findButton(renderer, '隐藏').props.onClick();
    });
    expect(textContent(renderer.toJSON())).not.toContain('等待执行 SQL');

    const FakeNode = class {};
    const bodyNode = new FakeNode();
    const documentElement = new FakeNode();
    vi.stubGlobal('Node', FakeNode);
    vi.stubGlobal('document', {
      body: bodyNode,
      documentElement,
    });
    editorState.hasTextFocus = false;
    const isMacRuntime = /(Mac|iPhone|iPad|iPod)/i.test(`${navigator.platform || ''} ${navigator.userAgent || ''}`);
    const toggleEvent = {
      ctrlKey: !isMacRuntime,
      metaKey: isMacRuntime,
      altKey: false,
      shiftKey: true,
      key: 'm',
      target: bodyNode,
      preventDefault: vi.fn(),
      stopPropagation: vi.fn(),
    };
    await act(async () => {
      windowListeners.keydown?.forEach((listener) => listener(toggleEvent));
    });

    expect(toggleEvent.preventDefault).toHaveBeenCalled();
    expect(textContent(renderer.toJSON())).toContain('等待执行 SQL');
    expect(storeState.updateQueryTabDraft).toHaveBeenLastCalledWith('tab-1', {
      resultPanelVisible: true,
    });

    renderer.unmount();
  });

  it('keeps query result panel visibility isolated per tab', async () => {
    storeState.appearance.uiVersion = 'v2';
    storeState.queryOptions.showQueryResultsPanel = false;

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ id: 'tab-1', resultPanelVisible: false })} />);
    });
    expect(textContent(renderer.toJSON())).not.toContain('等待执行 SQL');

    await act(async () => {
      renderer.update(<QueryEditor tab={createTab({ id: 'tab-2', resultPanelVisible: true })} />);
    });

    expect(textContent(renderer.toJSON())).toContain('等待执行 SQL');

    renderer.unmount();
  });

  it('registers all SQL completion providers in the disposable singleton state', async () => {
    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: '' })} />);
    });

    const completionState = (globalThis as any).__gonaviSqlCompletionState;

    expect(editorState.hoverProviders).toHaveLength(1);
    expect(editorState.providers).toHaveLength(3);
    expect(completionState.disposables).toHaveLength(4);

    await act(async () => {
      renderer.unmount();
    });
  });

  it('keeps plain typing out of SQL completion trigger characters', async () => {
    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: '' })} />);
    });

    const sqlProvider = editorState.providers.find((provider) => Array.isArray(provider.triggerCharacters) && provider.triggerCharacters.includes('.'));

    expect(sqlProvider).toBeTruthy();
    expect(sqlProvider.triggerCharacters).toEqual(['.']);
    expect(sqlProvider.triggerCharacters).not.toContain('s');

    await act(async () => {
      renderer.unmount();
    });
  });

  it('drops cancelled SQL completion requests while the user keeps typing', async () => {
    let renderer!: ReactTestRenderer;
    backendApp.DBGetTables.mockResolvedValueOnce({
      success: true,
      data: [{ Table: 'session_log' }],
    });

    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: '', dbName: 'main' })} />);
    });

    const sqlProvider = editorState.providers.find((provider) => Array.isArray(provider.triggerCharacters) && provider.triggerCharacters.includes('.'));
    expect(sqlProvider).toBeTruthy();

    editorState.value = 'SELECT * FROM ss';
    editorState.position = { lineNumber: 1, column: editorState.value.length + 1 };
    editorState.latestOnChange?.(editorState.value);

    const result = await sqlProvider.provideCompletionItems(
      editorState.editor.getModel(),
      editorState.position,
      undefined,
      { isCancellationRequested: true },
    );

    expect(result.suggestions).toEqual([]);
    expect(backendApp.DBGetTables).not.toHaveBeenCalled();

    await act(async () => {
      renderer.unmount();
    });
  });

  it('keeps table name completion available after typing in a fresh query tab', async () => {
    let renderer!: ReactTestRenderer;
    autoFetchState.visible = true;
    storeState.connections[0].config.database = '';
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'information_schema' }, { Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'organization' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: '' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
      await Promise.resolve();
    });

    const sqlProvider = editorState.providers.find((provider) => Array.isArray(provider.triggerCharacters) && provider.triggerCharacters.includes('.'));
    expect(sqlProvider).toBeTruthy();
    expect(storeState.updateQueryTabDraft).toHaveBeenLastCalledWith('tab-1', expect.objectContaining({
      dbName: 'main',
    }));

    editorState.value = 'SELECT * FROM org';
    editorState.latestOnChange?.(editorState.value);
    const result = await sqlProvider.provideCompletionItems(editorState.editor.getModel(), { lineNumber: 1, column: editorState.value.length + 1 });

    expect(result.suggestions.map((item: any) => item.label)).toContain('organization');
    await act(async () => {
      renderer.unmount();
    });
  });

  it('fuzzy matches table names in FROM completion before column candidates', async () => {
    let renderer!: ReactTestRenderer;
    autoFetchState.visible = true;
    storeState.connections[0].config.database = '';
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'information_schema' }, { Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'fs_org_auth_application' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({
      success: true,
      data: [{ tableName: 'fs_org_auth_application', name: 'orgi', type: 'varchar(32)' }],
    });

    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: '' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
      await Promise.resolve();
    });

    const sqlProvider = editorState.providers.find((provider) => Array.isArray(provider.triggerCharacters) && provider.triggerCharacters.includes('.'));
    expect(sqlProvider).toBeTruthy();

    editorState.value = 'SELECT * FROM org';
    editorState.latestOnChange?.(editorState.value);
    const result = await sqlProvider.provideCompletionItems(editorState.editor.getModel(), { lineNumber: 1, column: editorState.value.length + 1 });
    const labels = result.suggestions.map((item: any) => item.label);

    expect(labels).toContain('fs_org_auth_application');
    expect(labels).not.toContain('orgi');
    await act(async () => {
      renderer.unmount();
    });
  });

  it('lazy loads current database tables for FROM completion when metadata is not preloaded', async () => {
    let renderer!: ReactTestRenderer;
    autoFetchState.visible = false;
    backendApp.DBGetTables.mockResolvedValueOnce({
      success: true,
      data: [{ Table: 'fs_org_auth_application' }],
    });

    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: '', dbName: 'front_end_sys' })} />);
    });

    const sqlProvider = editorState.providers.find((provider) => Array.isArray(provider.triggerCharacters) && provider.triggerCharacters.includes('.'));
    expect(sqlProvider).toBeTruthy();

    editorState.value = 'SELECT * FROM or';
    editorState.latestOnChange?.(editorState.value);
    const result = await sqlProvider.provideCompletionItems(editorState.editor.getModel(), { lineNumber: 1, column: editorState.value.length + 1 });
    const labels = result.suggestions.map((item: any) => item.label);

    expect(backendApp.DBGetTables).toHaveBeenCalledWith(expect.any(Object), 'front_end_sys');
    expect(labels).toContain('fs_org_auth_application');
    await act(async () => {
      renderer.unmount();
    });
  });

  it('resolves database and table targets for ctrl/cmd navigation', () => {
    const tables = [
      { dbName: 'main', tableName: 'users' },
      { dbName: 'main', tableName: 'dbo.orders' },
      { dbName: 'analytics', tableName: 'events' },
    ];
    const views = [
      { dbName: 'main', viewName: 'reporting.active_users', schemaName: 'reporting' },
    ];
    const materializedViews = [
      { dbName: 'analytics', viewName: 'mv_daily_stats', schemaName: undefined },
    ];
    const triggers = [
      { dbName: 'main', triggerName: 'audit.users_bi', tableName: 'audit.users', schemaName: 'audit' },
    ];
    const routines = [
      { dbName: 'main', routineName: 'reporting.refresh_stats', routineType: 'PROCEDURE', schemaName: 'reporting' },
    ];

    expect(resolveQueryEditorNavigationTarget('select * from analytics.events', 31, 'main', ['main', 'analytics'], tables, views, materializedViews, triggers, routines)).toEqual({
      type: 'table',
      dbName: 'analytics',
      tableName: 'events',
      schemaName: undefined,
    });
    expect(resolveQueryEditorNavigationTarget('select * from dbo.orders', 21, 'main', ['main', 'analytics'], tables, views, materializedViews, triggers, routines)).toEqual({
      type: 'table',
      dbName: 'main',
      tableName: 'dbo.orders',
      schemaName: 'dbo',
    });
    expect(resolveQueryEditorNavigationTarget('use analytics', 6, 'main', ['main', 'analytics'], tables, views, materializedViews, triggers, routines)).toEqual({
      type: 'database',
      dbName: 'analytics',
    });
    expect(resolveQueryEditorNavigationTarget('select * from users', 18, 'main', ['main', 'analytics'], tables, views, materializedViews, triggers, routines)).toEqual({
      type: 'table',
      dbName: 'main',
      tableName: 'users',
      schemaName: undefined,
    });
    expect(resolveQueryEditorNavigationTarget('select * from reporting.active_users', 31, 'main', ['main', 'analytics'], tables, views, materializedViews, triggers, routines)).toEqual({
      type: 'view',
      dbName: 'main',
      viewName: 'reporting.active_users',
      schemaName: 'reporting',
    });
    expect(resolveQueryEditorNavigationTarget('select * from analytics.mv_daily_stats', 37, 'main', ['main', 'analytics'], tables, views, materializedViews, triggers, routines)).toEqual({
      type: 'materialized-view',
      dbName: 'analytics',
      viewName: 'mv_daily_stats',
      schemaName: undefined,
    });
    expect(resolveQueryEditorNavigationTarget('call audit.users_bi()', 18, 'main', ['main', 'analytics'], tables, views, materializedViews, triggers, routines)).toEqual({
      type: 'trigger',
      dbName: 'main',
      triggerName: 'audit.users_bi',
      tableName: 'audit.users',
      schemaName: 'audit',
    });
    expect(resolveQueryEditorNavigationTarget('call reporting.refresh_stats()', 21, 'main', ['main', 'analytics'], tables, views, materializedViews, triggers, routines)).toEqual({
      type: 'routine',
      dbName: 'main',
      routineName: 'reporting.refresh_stats',
      routineType: 'PROCEDURE',
      schemaName: 'reporting',
    });
  });

  it('prefers the unique schema-qualified view target when metadata also contains a bare view name', () => {
    const views = [
      { dbName: 'SYSDBA', viewName: 'V_ACCOUNT', schemaName: undefined },
      { dbName: 'SYSDBA', viewName: 'SYSDBA.V_ACCOUNT', schemaName: 'SYSDBA' },
    ];

    expect(resolveQueryEditorNavigationTarget(
      'select * from V_ACCOUNT',
      'select * from V_ACCOUNT'.length + 1,
      'SYSDBA',
      ['SYSDBA'],
      [],
      views,
      [],
      [],
      [],
    )).toEqual({
      type: 'view',
      dbName: 'SYSDBA',
      viewName: 'SYSDBA.V_ACCOUNT',
      schemaName: 'SYSDBA',
    });
  });

  it('opens a table tab on ctrl left click inside the editor', async () => {
    editorState.value = 'select * from analytics.events where id = 1';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }, { Database: 'analytics' }] });
    backendApp.DBGetTables
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] })
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_analytics: 'events' }] });
    backendApp.DBGetAllColumns
      .mockResolvedValueOnce({ success: true, data: [] })
      .mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const preventDefault = vi.fn();
    const stopPropagation = vi.fn();
    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber: 1, column: 27 } },
        event: {
          leftButton: true,
          ctrlKey: true,
          metaKey: false,
          preventDefault,
          stopPropagation,
        },
      });
    });

    expect(storeState.setActiveContext).toHaveBeenCalledWith({ connectionId: 'conn-1', dbName: 'analytics' });
    expect(storeState.addTab).toHaveBeenCalledWith({
      id: 'conn-1-analytics-table-events',
      title: 'events',
      type: 'table',
      connectionId: 'conn-1',
      dbName: 'analytics',
      tableName: 'events',
      objectType: 'table',
    });
    expect((window as any).dispatchEvent).toHaveBeenCalledWith(expect.objectContaining({
      type: 'gonavi:locate-sidebar-object',
    }));
    expect(preventDefault).toHaveBeenCalled();
    expect(stopPropagation).toHaveBeenCalled();
  });

  it('opens a table tab on macOS cmd click when Monaco omits leftButton', async () => {
    editorState.value = 'select * from fs_mkefu_regist_record;';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'mkefu_location_dev_local' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_mkefu_location_dev_local: 'fs_mkefu_regist_record' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'mkefu_location_dev_local' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const preventDefault = vi.fn();
    const stopPropagation = vi.fn();
    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber: 1, column: 'select * from fs_mkefu_regist_record'.length } },
        event: {
          browserEvent: { button: 0, buttons: 1 },
          ctrlKey: false,
          metaKey: true,
          preventDefault,
          stopPropagation,
        },
      });
    });

    expect(storeState.setActiveContext).toHaveBeenCalledWith({ connectionId: 'conn-1', dbName: 'mkefu_location_dev_local' });
    expect(storeState.addTab).toHaveBeenCalledWith(expect.objectContaining({
      type: 'table',
      connectionId: 'conn-1',
      dbName: 'mkefu_location_dev_local',
      tableName: 'fs_mkefu_regist_record',
      objectType: 'table',
    }));
    expect(preventDefault).toHaveBeenCalled();
    expect(stopPropagation).toHaveBeenCalled();
  });

  it('does not read the full editor model when ctrl/cmd clicking objects in large SQL', async () => {
    editorState.value = [
      ...Array.from({ length: 4000 }, (_, index) => `-- filler ${index + 1}`),
      'select * from analytics.events where id = 1',
    ].join('\n');
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }, { Database: 'analytics' }] });
    backendApp.DBGetTables
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] })
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_analytics: 'events' }] });
    backendApp.DBGetAllColumns
      .mockResolvedValueOnce({ success: true, data: [] })
      .mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    editorState.editor.getModel().getValue.mockClear();
    editorState.editor.getModel().getValueLength.mockClear();
    const lineNumber = editorState.value.split('\n').length;
    const preventDefault = vi.fn();
    const stopPropagation = vi.fn();

    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber, column: 27 } },
        event: {
          browserEvent: { button: 0, buttons: 1 },
          ctrlKey: true,
          metaKey: false,
          preventDefault,
          stopPropagation,
        },
      });
    });

    expect(editorState.editor.getModel().getValueLength).not.toHaveBeenCalled();
    expect(editorState.editor.getModel().getValue).not.toHaveBeenCalled();
    expect(storeState.addTab).toHaveBeenCalledWith(expect.objectContaining({
      type: 'table',
      connectionId: 'conn-1',
      dbName: 'analytics',
      tableName: 'events',
    }));
    expect(preventDefault).toHaveBeenCalled();
    expect(stopPropagation).toHaveBeenCalled();
  });

  it('shows link-style hover feedback when ctrl/cmd is pressed over a navigable identifier', async () => {
    editorState.value = 'select * from analytics.events where id = 1';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }, { Database: 'analytics' }] });
    backendApp.DBGetTables
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] })
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_analytics: 'events' }] });
    backendApp.DBGetAllColumns
      .mockResolvedValueOnce({ success: true, data: [] })
      .mockResolvedValueOnce({ success: true, data: [{ tableName: 'events', name: 'id', type: 'bigint', comment: '事件ID' }] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    await act(async () => {
      editorState.mouseMoveListeners[0]?.({
        target: { position: { lineNumber: 1, column: 27 } },
        event: {
          ctrlKey: true,
          metaKey: false,
        },
      });
    });

    expect(editorState.editor.deltaDecorations).toHaveBeenCalled();
    expect(editorState.domNode.style.cursor).toBe('pointer');
    const lastDecorationCall = editorState.editor.deltaDecorations.mock.calls.at(-1);
    expect(lastDecorationCall?.[1]?.[0]?.options?.inlineClassName).toBe('gonavi-query-editor-link-hint');
    expect(lastDecorationCall?.[1]?.[0]?.options?.hoverMessage).toBeUndefined();

    const hover = editorState.hoverProviders[0]?.provideHover(
      editorState.editor.getModel(),
      { lineNumber: 1, column: 27 },
    );
    const hoverText = String(hover?.contents?.[0]?.value || '');
    expect(hoverText.match(/\*\*表\*\*/g)).toHaveLength(1);
    expect(hoverText).toContain('**表** `events`');

    await act(async () => {
      editorState.mouseLeaveListeners[0]?.();
    });
    expect(editorState.domNode.style.cursor).toBe('');
    expect(editorState.editor.updateOptions).toHaveBeenLastCalledWith({ mouseStyle: 'text' });
  });

  it('formats SQL through Monaco edits so beautify can be undone', async () => {
    let renderer!: ReactTestRenderer;

    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: 'select * from users where id=1' })} />);
    });

    const formatButton = findButton(renderer, '美化');
    await act(async () => {
      await formatButton.props.onClick();
    });

    expect(editorState.editor.pushUndoStop).toHaveBeenCalledTimes(2);
    expect(editorState.editor.executeEdits).toHaveBeenCalledWith(
      'gonavi-format-sql',
      expect.arrayContaining([
        expect.objectContaining({
          text: expect.stringContaining('SELECT'),
        }),
      ]),
    );
  });

  it('shows object info via editor ctrl+q action', async () => {
    editorState.value = 'select users.id from users';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({
      success: true,
      data: [{ tableName: 'users', name: 'id', type: 'bigint', comment: '主键ID' }],
    });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const showObjectInfoAction = editorState.editor.addAction.mock.calls
      .map((call: any[]) => call[0])
      .find((action: any) => action?.id === 'gonavi.queryEditor.showObjectInfo');
    expect(showObjectInfoAction).toBeTruthy();

    editorState.position = { lineNumber: 1, column: 13 };
    await act(async () => {
      showObjectInfoAction.run();
    });

    expect(editorState.contentHoverCalls).toHaveLength(1);
    expect(editorState.contentHoverCalls[0]).toEqual(expect.objectContaining({
      mode: 1,
      source: 2,
      focus: false,
    }));
  });

  it('renders SQL metadata hover as a fixed overflow widget below first-line tokens', async () => {
    editorState.value = 'select users.id from users';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({
      success: true,
      data: [{ tableName: 'users', name: 'id', type: 'bigint', comment: '主键ID' }],
    });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });

    const initialOptions = editorState.editor.updateOptions.mock.calls[0]?.[0];
    expect(initialOptions).toMatchObject({
      fixedOverflowWidgets: true,
      hover: {
        enabled: true,
        delay: 1000,
        above: false,
      },
    });
  });

  it('prefers the hovered identifier position for ctrl+q object info', async () => {
    editorState.value = 'select * from user_actions';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'user_actions' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });

    const windowListeners: Record<string, ((event?: any) => void)[]> = {};
    vi.stubGlobal('window', {
      addEventListener: vi.fn((type: string, listener: (event?: any) => void) => {
        windowListeners[type] ||= [];
        windowListeners[type].push(listener);
      }),
      removeEventListener: vi.fn(),
      dispatchEvent: vi.fn(),
    });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const showObjectInfoAction = editorState.editor.addAction.mock.calls
      .map((call: any[]) => call[0])
      .find((action: any) => action?.id === 'gonavi.queryEditor.showObjectInfo');
    expect(showObjectInfoAction).toBeTruthy();

    editorState.position = { lineNumber: 1, column: 2 };
    await act(async () => {
      windowListeners.keydown?.forEach((listener) => listener({ ctrlKey: true, metaKey: false, key: 'Control' }));
      editorState.mouseMoveListeners[0]?.({
        target: { position: { lineNumber: 1, column: 17 } },
        event: {
          ctrlKey: true,
          metaKey: false,
        },
      });
      showObjectInfoAction.run();
    });

    expect(editorState.contentHoverCalls).toHaveLength(1);
    expect(messageApi.info).not.toHaveBeenCalledWith(expect.objectContaining({
      key: 'gonavi-query-editor-object-info-miss',
    }));
  });

  it('keeps ctrl+q object info silent when no object is recognized', async () => {
    editorState.value = 'select 1';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const showObjectInfoAction = editorState.editor.addAction.mock.calls
      .map((call: any[]) => call[0])
      .find((action: any) => action?.id === 'gonavi.queryEditor.showObjectInfo');
    expect(showObjectInfoAction).toBeTruthy();

    editorState.position = { lineNumber: 1, column: 1 };
    await act(async () => {
      showObjectInfoAction.run();
    });

    expect(editorState.contentHoverCalls).toHaveLength(0);
    expect(messageApi.info).not.toHaveBeenCalled();
  });

  it('adds separate object and column color decorations', async () => {
    editorState.value = 'select users.id from users';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({
      success: true,
      data: [{ tableName: 'users', name: 'id', type: 'bigint', comment: '主键ID' }],
    });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const allDecorationEntries = editorState.editor.deltaDecorations.mock.calls.flatMap((call: any[]) => call[1] || []);
    expect(allDecorationEntries.some((item: any) => item?.options?.inlineClassName === 'gonavi-query-editor-object-token')).toBe(true);
    expect(allDecorationEntries.some((item: any) => item?.options?.inlineClassName === 'gonavi-query-editor-column-token')).toBe(true);
  });

  it('provides hover markdown for recognized table columns', async () => {
    editorState.value = 'select users.id from users';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({
      success: true,
      data: [{ tableName: 'users', name: 'id', type: 'bigint', comment: '主键ID' }],
    });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const hoverProvider = editorState.hoverProviders[0];
    expect(hoverProvider).toBeTruthy();

    const hover = hoverProvider.provideHover(
      editorState.editor.getModel(),
      { lineNumber: 1, column: 13 },
    );
    expect(hover?.contents?.[0]?.value).toContain('**字段** `id`');
    expect(hover?.contents?.[0]?.value).toContain('类型：`bigint`');
    expect(hover?.contents?.[0]?.value).toContain('表：`users`');
  });

  it('registers SQL metadata hover provider only once across query editor instances', async () => {
    editorState.value = 'select * from H2.S_BUSI';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValue({ success: true, data: [{ Database: 'H2' }] });
    backendApp.DBGetTables.mockResolvedValue({ success: true, data: [{ Tables_in_H2: 'H2.S_BUSI' }] });
    backendApp.DBGetAllColumns.mockResolvedValue({ success: true, data: [] });

    let firstRenderer: ReactTestRenderer;
    let secondRenderer: ReactTestRenderer;
    await act(async () => {
      firstRenderer = create(<QueryEditor tab={createTab({ id: 'tab-1', query: editorState.value, dbName: 'H2' })} isActive={false} />);
    });
    await act(async () => {
      secondRenderer = create(<QueryEditor tab={createTab({ id: 'tab-2', query: editorState.value, dbName: 'H2' })} isActive />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(editorState.hoverProviders).toHaveLength(1);
    const hover = editorState.hoverProviders[0].provideHover(
      editorState.editor.getModel(),
      { lineNumber: 1, column: 18 },
    );
    const hoverText = String(hover?.contents?.[0]?.value || '');
    expect(hoverText.match(/\*\*表\*\*/g)).toHaveLength(1);
    expect(hoverText).toContain('`H2.S_BUSI`');

    firstRenderer!.unmount();
    secondRenderer!.unmount();
  });

  it('keeps hover underline active when ctrl/cmd is pressed repeatedly without moving the mouse', async () => {
    const windowListeners: Record<string, ((event?: any) => void)[]> = {};
    vi.stubGlobal('window', {
      addEventListener: vi.fn((type: string, listener: (event?: any) => void) => {
        windowListeners[type] ||= [];
        windowListeners[type].push(listener);
      }),
      removeEventListener: vi.fn(),
      dispatchEvent: vi.fn(),
    });

    editorState.value = 'select * from analytics.events where id = 1';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }, { Database: 'analytics' }] });
    backendApp.DBGetTables
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] })
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_analytics: 'events' }] });
    backendApp.DBGetAllColumns
      .mockResolvedValueOnce({ success: true, data: [] })
      .mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    await act(async () => {
      editorState.mouseMoveListeners[0]?.({
        target: { position: { lineNumber: 1, column: 27 } },
        event: {
          ctrlKey: true,
          metaKey: false,
        },
      });
    });

    const firstDecorationCallCount = editorState.editor.deltaDecorations.mock.calls.length;
    expect(firstDecorationCallCount).toBeGreaterThan(0);
    expect(editorState.domNode.style.cursor).toBe('pointer');

    await act(async () => {
      const repeatedCtrlEvent = {
        ctrlKey: true,
        metaKey: false,
        altKey: false,
        shiftKey: false,
        key: 'Control',
        code: 'ControlLeft',
        repeat: true,
        preventDefault: vi.fn(),
        stopPropagation: vi.fn(),
        target: null,
      };
      windowListeners.keydown?.forEach((listener) => listener(repeatedCtrlEvent));
      windowListeners.keydown?.forEach((listener) => listener(repeatedCtrlEvent));
    });

    expect(editorState.editor.deltaDecorations.mock.calls.length).toBeGreaterThan(firstDecorationCallCount);
    expect(editorState.domNode.style.cursor).toBe('pointer');
    const lastDecorationCall = editorState.editor.deltaDecorations.mock.calls.at(-1);
    expect(lastDecorationCall?.[1]?.[0]?.options?.inlineClassName).toBe('gonavi-query-editor-link-hint');
  });

  it('keeps query editor hyperlink decorations blue with a solid underline', () => {
    const css = readFileSync(new URL('../App.css', import.meta.url), 'utf8');

    expect(css).toMatch(/\.gonavi-query-editor-link-hint\s*\{[^}]*color:\s*#1677ff\s*!important;[^}]*text-decoration:\s*underline;[^}]*text-decoration-style:\s*solid;[^}]*text-decoration-color:\s*currentColor;/s);
    expect(css).toMatch(/body\[data-theme='dark'\]\s+\.gonavi-query-editor-link-hint\s*\{[^}]*color:\s*#69b1ff\s*!important;/s);
  });

  it('opens a view tab on ctrl left click inside the editor', async () => {
    editorState.value = 'select * from reporting.active_users';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });
    backendApp.DBQuery.mockImplementation(async (_config: any, _dbName: string, sql: string) => {
      if (sql.includes('information_schema.views') || sql.includes('pg_catalog.pg_views') || sql.includes('USER_VIEWS') || sql.includes('ALL_VIEWS')) {
        return { success: true, data: [{ view_name: 'active_users', schema_name: 'reporting' }] };
      }
      return { success: true, data: [] };
    });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      for (let i = 0; i < 8; i += 1) {
        await Promise.resolve();
      }
    });

    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber: 1, column: 31 } },
        event: {
          leftButton: true,
          ctrlKey: true,
          metaKey: false,
          preventDefault: vi.fn(),
          stopPropagation: vi.fn(),
        },
      });
    });

    expect(storeState.setActiveContext).toHaveBeenCalledWith({ connectionId: 'conn-1', dbName: 'main' });
    expect(storeState.addTab).toHaveBeenCalledWith({
      id: 'view-def-conn-1-main-active_users',
      title: '视图: active_users',
      type: 'view-def',
      connectionId: 'conn-1',
      dbName: 'main',
      viewName: 'active_users',
      viewKind: 'view',
      schemaName: 'reporting',
      sidebarLocateKey: 'conn-1-main-view-active_users',
    });
    expect((window as any).dispatchEvent).toHaveBeenCalledWith(expect.objectContaining({
      type: 'gonavi:locate-sidebar-object',
      detail: expect.objectContaining({
        tabId: 'conn-1-main-view-active_users',
        schemaName: 'reporting',
        objectGroup: 'views',
      }),
    }));
  });

  it('opens trigger and routine tabs on ctrl left click inside the editor', async () => {
    editorState.value = 'call audit.users_bi(); call reporting.refresh_stats();';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });
    backendApp.DBQuery.mockImplementation(async (_config: any, _dbName: string, sql: string) => {
      if (sql.includes('information_schema.triggers') || sql.includes('SHOW TRIGGERS') || sql.includes('USER_TRIGGERS') || sql.includes('ALL_TRIGGERS')) {
        return { success: true, data: [{ trigger_name: 'users_bi', table_name: 'users', schema_name: 'audit' }] };
      }
      if (sql.includes('information_schema.routines') || sql.includes('SHOW FUNCTION STATUS') || sql.includes('SHOW PROCEDURE STATUS') || sql.includes('USER_OBJECTS') || sql.includes('ALL_OBJECTS')) {
        return { success: true, data: [{ routine_name: 'refresh_stats', routine_type: 'PROCEDURE', schema_name: 'reporting' }] };
      }
      return { success: true, data: [] };
    });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      for (let i = 0; i < 10; i += 1) {
        await Promise.resolve();
      }
    });

    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber: 1, column: 12 } },
        event: {
          leftButton: true,
          ctrlKey: true,
          metaKey: false,
          preventDefault: vi.fn(),
          stopPropagation: vi.fn(),
        },
      });
    });

    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber: 1, column: 39 } },
        event: {
          leftButton: true,
          ctrlKey: true,
          metaKey: false,
          preventDefault: vi.fn(),
          stopPropagation: vi.fn(),
        },
      });
    });

    expect(storeState.addTab).toHaveBeenCalledWith({
      id: 'trigger-conn-1-main-audit.users_bi',
      title: '触发器: audit.users_bi',
      type: 'trigger',
      connectionId: 'conn-1',
      dbName: 'main',
      triggerName: 'audit.users_bi',
      triggerTableName: 'audit.users',
      schemaName: 'audit',
      sidebarLocateKey: 'conn-1-main-trigger-audit.users_bi-audit.users',
    });
    expect(storeState.addTab).toHaveBeenCalledWith({
      id: 'routine-def-conn-1-main-reporting.refresh_stats',
      title: '存储过程: reporting.refresh_stats',
      type: 'routine-def',
      connectionId: 'conn-1',
      dbName: 'main',
      routineName: 'reporting.refresh_stats',
      routineType: 'PROCEDURE',
      schemaName: 'reporting',
      sidebarLocateKey: 'conn-1-main-routine-reporting.refresh_stats',
    });
    expect((window as any).dispatchEvent).toHaveBeenCalledWith(expect.objectContaining({
      type: 'gonavi:locate-sidebar-object',
      detail: expect.objectContaining({
        tabId: 'conn-1-main-trigger-audit.users_bi-audit.users',
        triggerName: 'audit.users_bi',
        schemaName: 'audit',
        objectGroup: 'triggers',
      }),
    }));
    expect((window as any).dispatchEvent).toHaveBeenCalledWith(expect.objectContaining({
      type: 'gonavi:locate-sidebar-object',
      detail: expect.objectContaining({
        tabId: 'conn-1-main-routine-reporting.refresh_stats',
        routineName: 'reporting.refresh_stats',
        schemaName: 'reporting',
        objectGroup: 'routines',
      }),
    }));
  });

  it('switches current database on cmd left click for database identifiers', async () => {
    editorState.value = 'use analytics';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }, { Database: 'analytics' }] });
    backendApp.DBGetTables
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] })
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_analytics: 'events' }] });
    backendApp.DBGetAllColumns
      .mockResolvedValueOnce({ success: true, data: [] })
      .mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber: 1, column: 6 } },
        event: {
          leftButton: true,
          ctrlKey: false,
          metaKey: true,
          preventDefault: vi.fn(),
          stopPropagation: vi.fn(),
        },
      });
    });

    expect(storeState.setActiveContext).toHaveBeenCalledWith({ connectionId: 'conn-1', dbName: 'analytics' });
    expect(storeState.addTab).not.toHaveBeenCalled();
    expect(storeState.updateQueryTabDraft).toHaveBeenLastCalledWith('tab-1', expect.objectContaining({
      dbName: 'analytics',
    }));
  });

  it('skips heavy autocomplete metadata fetch for object edit query tabs', async () => {
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }, { Database: 'analytics' }] });

    await act(async () => {
      create(<QueryEditor tab={createTab({
        query: 'CREATE OR REPLACE VIEW reporting.active_users AS SELECT * FROM users;',
        dbName: 'main',
        queryMode: 'object-edit',
      })} />);
    });
    await act(async () => {
      for (let i = 0; i < 6; i += 1) {
        await Promise.resolve();
      }
    });

    expect(backendApp.DBGetDatabases).toHaveBeenCalledTimes(1);
    expect(backendApp.DBGetTables).not.toHaveBeenCalled();
    expect(backendApp.DBGetAllColumns).not.toHaveBeenCalled();
    expect(backendApp.DBQuery).not.toHaveBeenCalled();
    expect(editorState.editor.deltaDecorations).toHaveBeenCalledWith([], []);
  });

  it('keeps the editor empty when a tab draft is externally synced to an empty query', async () => {
    let renderer!: ReactTestRenderer;

    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: 'SELECT * FROM ' })} />);
    });

    await act(async () => {
      renderer.update(<QueryEditor tab={createTab({ query: '' })} />);
    });

    expect(editorState.value).toBe('');
    expect(editorState.editor.setValue).toHaveBeenCalledWith('');
  });

  it('writes external SQL file tabs back to disk without creating saved queries', async () => {
    let renderer!: ReactTestRenderer;
    const filePath = '/Users/me/Documents/gonavi-queries/report.sql';

    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ filePath })} />);
    });

    editorState.value = 'select 2;';

    await act(async () => {
      await findButton(renderer!, '保存').props.onClick();
    });

    expect(backendApp.WriteSQLFile).toHaveBeenCalledWith(filePath, 'select 2;');
    expect(storeState.saveQuery).not.toHaveBeenCalled();
    expect(storeState.addTab).toHaveBeenCalledWith(expect.objectContaining({
      filePath,
      query: 'select 2;',
      savedQueryId: undefined,
    }));
    expect(messageApi.success).toHaveBeenCalledWith('SQL 文件已保存！');
  });

  it('keeps external SQL file typing out of persisted tab drafts to avoid input freezes', async () => {
    const filePath = '/Users/me/Documents/gonavi-queries/report.sql';

    await act(async () => {
      create(<QueryEditor tab={createTab({ filePath })} />);
    });

    storeState.updateQueryTabDraft.mockClear();
    editorState.editor.deltaDecorations.mockClear();
    editorState.editor.getModel().getValue.mockClear();
    editorState.editor.getModel().getValueLength.mockClear();

    await act(async () => {
      editorState.value = 'select 1;\n1';
      editorState.latestOnChange?.(editorState.value);
      editorState.modelContentListeners.forEach((listener) => listener({
        changes: [{ text: '1' }],
      }));
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(storeState.updateQueryTabDraft).not.toHaveBeenCalledWith('tab-1', expect.objectContaining({
      query: 'select 1;\n1',
    }));
    expect(getSQLFileTabDraft('tab-1')).toBe('select 1;\n1');
    expect(editorState.editor.deltaDecorations).not.toHaveBeenCalled();
    expect(editorState.editor.getModel().getValue).not.toHaveBeenCalled();
    expect(editorState.editor.getModel().getValueLength).not.toHaveBeenCalled();
  });

  it('keeps large regular query typing out of persisted tab drafts to avoid input freezes', async () => {
    const largeSql = `select * from users;\n${'x'.repeat(60_000)}`;

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: 'select 1;' })} />);
    });

    storeState.updateQueryTabDraft.mockClear();
    editorState.editor.deltaDecorations.mockClear();
    editorState.editor.getModel().getValue.mockClear();
    editorState.editor.getModel().getValueLength.mockClear();

    await act(async () => {
      editorState.value = largeSql;
      editorState.latestOnChange?.(largeSql);
      editorState.modelContentListeners.forEach((listener) => listener({
        changes: [{ text: largeSql }],
      }));
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(storeState.updateQueryTabDraft).not.toHaveBeenCalledWith('tab-1', expect.objectContaining({
      query: largeSql,
    }));
    expect(getQueryTabDraft('tab-1')).toBe(largeSql);
    expect(editorState.editor.deltaDecorations).not.toHaveBeenCalled();
    expect(editorState.editor.getModel().getValueLength).not.toHaveBeenCalled();
    expect(editorState.editor.getModel().getValue).not.toHaveBeenCalled();
  });

  it('keeps short regular query typing on the Monaco fast path without rerender side effects', async () => {
    await act(async () => {
      create(<QueryEditor tab={createTab({ query: 'select 1;' })} />);
    });

    storeState.updateQueryTabDraft.mockClear();
    editorState.editor.deltaDecorations.mockClear();
    editorState.editor.getModel().getValue.mockClear();
    editorState.editor.getModel().getValueLength.mockClear();

    await act(async () => {
      editorState.value = 'SELECT * FROM fs_org_auth_application;\n\nSELECT * FROM fs_bcp_auth_info; ';
      editorState.latestOnChange?.(editorState.value);
      editorState.modelContentListeners.forEach((listener) => listener({
        changes: [{ text: ' ' }],
      }));
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(getQueryTabDraft('tab-1')).toBe('SELECT * FROM fs_org_auth_application;\n\nSELECT * FROM fs_bcp_auth_info; ');
    expect(storeState.updateQueryTabDraft).not.toHaveBeenCalledWith('tab-1', expect.objectContaining({
      query: expect.any(String),
    }));
    expect(editorState.editor.deltaDecorations).not.toHaveBeenCalled();
    expect(editorState.editor.getModel().getValue).not.toHaveBeenCalled();
    expect(editorState.editor.getModel().getValueLength).not.toHaveBeenCalled();
  });

  it('skips SQL literals when collecting object decoration candidates for insert scripts', () => {
    const insertValues = Array.from({ length: 120 }, (_, index) => {
      const suffix = String(index + 1).padStart(3, '0');
      return `('legacy-seed-L${suffix}', '旧版企业-L${suffix}', '深圳市南山区 ${suffix} 号', 'legacy${suffix}@demo.test')`;
    }).join(',\n');
    const sql = [
      '-- 字符串里的 fs_org_auth_file 不应参与对象装饰扫描',
      'INSERT INTO mkefu_location_dev_local.uk_corp (id, corp_name, address, email) VALUES',
      `${insertValues};`,
      'SELECT uk_corp.id FROM uk_corp;',
    ].join('\n');

    const candidates = collectQueryEditorObjectDecorationCandidates(sql, 1000);
    const candidateTexts = candidates.map((candidate) => candidate.lineContent.slice(candidate.positionColumn - 1, candidate.positionColumn + 30));

    expect(candidateTexts.some((text) => text.includes('legacy-seed'))).toBe(false);
    expect(candidateTexts.some((text) => text.includes('旧版企业'))).toBe(false);
    expect(candidateTexts.some((text) => text.includes('demo.test'))).toBe(false);
    expect(candidateTexts.some((text) => text.includes('mkefu_location_dev_local'))).toBe(true);
    expect(candidateTexts.some((text) => text.includes('uk_corp'))).toBe(true);
  });

  it('does not provide metadata hover inside SQL string literals', async () => {
    editorState.value = "insert into users(name) values ('users.id should stay plain');";
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({
      success: true,
      data: [{ tableName: 'users', name: 'id', type: 'bigint', comment: '主键ID' }],
    });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const hoverProvider = editorState.hoverProviders[0];
    expect(hoverProvider).toBeTruthy();
    const literalColumn = editorState.value.indexOf('users.id should') + 3;
    const hover = hoverProvider.provideHover(
      editorState.editor.getModel(),
      { lineNumber: 1, column: literalColumn },
    );

    expect(hover).toBeNull();
  });

  it('registers Ctrl/Cmd+S to quick-save the active query', async () => {
    const windowListeners: Record<string, ((event?: any) => void)[]> = {};
    vi.stubGlobal('window', {
      addEventListener: vi.fn((type: string, listener: (event?: any) => void) => {
        windowListeners[type] ||= [];
        windowListeners[type].push(listener);
      }),
      removeEventListener: vi.fn(),
      dispatchEvent: vi.fn(),
    });

    storeState.savedQueries = [
      {
        id: 'saved-1',
        name: '常用查询',
        sql: 'select 1;',
        connectionId: 'conn-1',
        dbName: 'main',
        createdAt: 100,
      },
    ];

    await act(async () => {
      create(<QueryEditor tab={createTab({ savedQueryId: 'saved-1' })} />);
    });

    const saveAction = editorState.editor.addAction.mock.calls
      .map((call: any[]) => call[0])
      .find((action: any) => action?.id === 'gonavi.saveQuery');
    expect(saveAction).toMatchObject({
      label: 'GoNavi: 保存查询',
    });
    expect(saveAction?.keybindings?.[0]).toBeGreaterThan(0);

    editorState.value = 'select 5;';
    const isMacRuntime = /(Mac|iPhone|iPad|iPod)/i.test(`${navigator.platform || ''} ${navigator.userAgent || ''}`);
    const event = {
      ctrlKey: !isMacRuntime,
      metaKey: isMacRuntime,
      altKey: false,
      shiftKey: false,
      key: 's',
      target: null,
      preventDefault: vi.fn(),
      stopPropagation: vi.fn(),
    };

    await act(async () => {
      windowListeners.keydown?.forEach((listener) => listener(event));
    });

    expect(event.preventDefault).toHaveBeenCalled();
    expect(event.stopPropagation).toHaveBeenCalled();
    expect(storeState.saveQuery).toHaveBeenCalledWith(expect.objectContaining({
      id: 'saved-1',
      name: '常用查询',
      sql: 'select 5;',
      connectionId: 'conn-1',
      dbName: 'main',
      createdAt: 100,
    }));
    expect(messageApi.success).toHaveBeenCalledWith('查询已保存！');
  });

  it('does not create saved queries when external SQL file writes fail', async () => {
    let renderer!: ReactTestRenderer;
    const filePath = '/Users/me/Documents/gonavi-queries/report.sql';
    backendApp.WriteSQLFile.mockResolvedValueOnce({ success: false, message: '磁盘只读' });

    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ filePath })} />);
    });

    editorState.value = 'select 4;';

    await act(async () => {
      await findButton(renderer!, '保存').props.onClick();
    });

    expect(backendApp.WriteSQLFile).toHaveBeenCalledWith(filePath, 'select 4;');
    expect(storeState.saveQuery).not.toHaveBeenCalled();
    expect(storeState.addTab).not.toHaveBeenCalled();
    expect(messageApi.error).toHaveBeenCalledWith('保存 SQL 文件失败: 磁盘只读');
  });

  it('keeps saved query quick-save behavior for non-file tabs', async () => {
    storeState.savedQueries = [
      {
        id: 'saved-1',
        name: '常用查询',
        sql: 'select 1;',
        connectionId: 'conn-1',
        dbName: 'main',
        createdAt: 100,
      },
    ];

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ savedQueryId: 'saved-1' })} />);
    });

    editorState.value = 'select 3;';

    await act(async () => {
      findButton(renderer!, '保存').props.onClick();
    });

    expect(backendApp.WriteSQLFile).not.toHaveBeenCalled();
    expect(storeState.saveQuery).toHaveBeenCalledWith(expect.objectContaining({
      id: 'saved-1',
      name: '常用查询',
      sql: 'select 3;',
      connectionId: 'conn-1',
      dbName: 'main',
      createdAt: 100,
    }));
  });

  it('renames saved queries without creating a new saved query id', async () => {
    storeState.savedQueries = [
      {
        id: 'saved-1',
        name: '常用查询',
        sql: 'select 1;',
        connectionId: 'conn-1',
        dbName: 'main',
        createdAt: 100,
      },
    ];

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ savedQueryId: 'saved-1' })} />);
    });

    editorState.value = 'select 9;';
    await act(async () => {
      findButton(renderer!, '重命名查询').props.onClick();
    });
    await act(async () => {
      await findExactButton(renderer!, '重命名').props.onClick();
    });

    expect(storeState.saveQuery).toHaveBeenCalledWith(expect.objectContaining({
      id: 'saved-1',
      name: '查询',
      sql: 'select 9;',
      connectionId: 'conn-1',
      dbName: 'main',
      createdAt: 100,
    }));
    expect(storeState.addTab).toHaveBeenCalledWith(expect.objectContaining({
      title: '查询',
      savedQueryId: 'saved-1',
    }));
    expect(messageApi.success).toHaveBeenCalledWith('查询已重命名！');
  });

  it('exports the current editor SQL without changing saved query state', async () => {
    storeState.savedQueries = [
      {
        id: 'saved-1',
        name: '常用查询',
        sql: 'select 1;',
        connectionId: 'conn-1',
        dbName: 'main',
        createdAt: 100,
      },
    ];

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ savedQueryId: 'saved-1' })} />);
    });

    editorState.value = 'select 10;';
    await act(async () => {
      await findButton(renderer!, '导出 SQL 文件').props.onClick();
    });

    expect(backendApp.ExportSQLFile).toHaveBeenCalledWith('常用查询', 'select 10;');
    expect(storeState.saveQuery).not.toHaveBeenCalled();
    expect(storeState.addTab).not.toHaveBeenCalledWith(expect.objectContaining({
      query: 'select 10;',
    }));
    expect(messageApi.success).toHaveBeenCalledWith('SQL 文件已导出！');
  });

  it('shows Chinese semantic meaning for SQL execution errors', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: false,
      message: 'pq: syntax error at or near "from"',
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: 'SELECT * from' })} />);
    });

    await act(async () => {
      await findButton(renderer, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const pageText = textContent(renderer!.root);
    expect(pageText).toContain('执行失败');
    expect(pageText).toContain('中文语义：SQL 语法错误');
    expect(pageText).toContain('处理建议：');
    expect(pageText).toContain('原始错误：pq: syntax error at or near "from"');
  });

  it('runs SQL editor DML through a pending managed transaction and commits manually', async () => {
    backendApp.DBQueryMultiTransactional.mockResolvedValueOnce({
      success: true,
      transactionId: 'tx-1',
      transactionPending: true,
      data: [
        { columns: ['affectedRows'], rows: [{ affectedRows: 2 }], statementIndex: 1 },
      ],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: "UPDATE users SET name = 'new' WHERE id = 1" })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMultiTransactional).toHaveBeenCalledWith(
      expect.anything(),
      'main',
      expect.stringContaining('UPDATE users SET name'),
      'query-1',
    );
    expect(backendApp.DBQueryMulti).not.toHaveBeenCalled();
    expect(textContent(renderer!.root)).toContain('未提交');
    expect(textContent(renderer!.root)).toContain('影响行数：2');

    await act(async () => {
      await findButton(renderer!, '提交').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBCommitTransaction).toHaveBeenCalledWith('tx-1');
    expect(textContent(renderer!.root)).not.toContain('未提交');
  });

  it('runs SQL editor WITH DML through a pending managed transaction', async () => {
    const sql = 'WITH target AS (SELECT id FROM users WHERE active = 1) UPDATE users SET synced = 1 WHERE id IN (SELECT id FROM target)';
    backendApp.DBQueryMultiTransactional.mockResolvedValueOnce({
      success: true,
      transactionId: 'tx-with-dml',
      transactionPending: true,
      data: [
        { columns: ['affectedRows'], rows: [{ affectedRows: 2 }], statementIndex: 1 },
      ],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: sql })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMultiTransactional).toHaveBeenCalledWith(
      expect.anything(),
      'main',
      expect.stringContaining('WITH target AS'),
      'query-1',
    );
    expect(backendApp.DBQueryMulti).not.toHaveBeenCalled();
    expect(textContent(renderer!.root)).toContain('未提交');

    await act(async () => {
      await findButton(renderer!, '提交').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBCommitTransaction).toHaveBeenCalledWith('tx-with-dml');
  });

  it('shows the pending statement count for multi-SQL manual transactions', async () => {
    const sql = "UPDATE users SET active = 0 WHERE id = 1; DELETE FROM users WHERE id = 2;";
    backendApp.DBQueryMultiTransactional.mockResolvedValueOnce({
      success: true,
      transactionId: 'tx-multi-dml',
      transactionPending: true,
      data: [
        { columns: ['affectedRows'], rows: [{ affectedRows: 1 }], statementIndex: 1 },
        { columns: ['affectedRows'], rows: [{ affectedRows: 1 }], statementIndex: 2 },
      ],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: sql })} />);
    });
    editorState.selection = {
      startLineNumber: 1,
      startColumn: 1,
      endLineNumber: 1,
      endColumn: sql.length + 1,
    };

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMultiTransactional).toHaveBeenCalledWith(
      expect.anything(),
      'main',
      expect.stringContaining('DELETE FROM users'),
      'query-1',
    );
    expect(textContent(renderer!.root)).toContain('未提交');
    expect(textContent(renderer!.root)).toContain('提交 (2)');
    expect(storeState.sqlEditorPendingTransactions['tab-1']).toMatchObject({
      id: 'tx-multi-dml',
      statementCount: 2,
    });
  });

  it('keeps SQL editor WITH SELECT on the regular query path', async () => {
    const sql = 'WITH target AS (SELECT id FROM users WHERE active = 1) SELECT * FROM target';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [
        { columns: ['id'], rows: [{ id: 1 }], statementIndex: 1 },
      ],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: sql })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(
      expect.anything(),
      'main',
      expect.stringContaining('WITH target AS'),
      'query-1',
    );
    expect(backendApp.DBQueryMultiTransactional).not.toHaveBeenCalled();
  });

  it('adds pagination to limited query results and reloads the selected page only', async () => {
    const firstPageRows = Array.from({ length: 500 }, (_item, index) => ({ id: index + 1 }));
    const secondPageRows = Array.from({ length: 500 }, (_item, index) => ({ id: index + 501 }));
    backendApp.DBQueryMulti
      .mockResolvedValueOnce({
        success: true,
        data: [
          { columns: ['id'], rows: firstPageRows, statementIndex: 1 },
        ],
      })
      .mockResolvedValueOnce({
        success: true,
        data: [
          { columns: ['id'], rows: secondPageRows, statementIndex: 1 },
        ],
      });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: 'SELECT id FROM users LIMIT 0,500' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.pagination).toMatchObject({
      current: 1,
      pageSize: 500,
      total: 1000,
      totalKnown: false,
    });
    expect(dataGridState.latestProps?.resultExportAllSql).toBe('SELECT id FROM users');

    await act(async () => {
      await dataGridState.latestProps?.onPageChange?.(2, 500);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledTimes(2);
    const pageSql = String(backendApp.DBQueryMulti.mock.calls[1][2]);
    expect(pageSql).toContain('SELECT * FROM (SELECT id FROM users) AS __gonavi_query_page__');
    expect(pageSql).toContain('LIMIT 501 OFFSET 500');
    expect(dataGridState.latestProps?.pagination).toMatchObject({
      current: 2,
      pageSize: 500,
      total: 1000,
      totalKnown: true,
    });
    expect(dataGridState.latestProps?.data?.[0]).toMatchObject({ id: 501 });
  });

  it('runs SQL editor data-changing CTEs through a pending managed transaction', async () => {
    const sql = 'WITH moved AS (DELETE FROM audit_logs WHERE created_at < NOW() RETURNING id) SELECT * FROM moved';
    backendApp.DBQueryMultiTransactional.mockResolvedValueOnce({
      success: true,
      transactionId: 'tx-write-cte',
      transactionPending: true,
      data: [
        { columns: ['affectedRows'], rows: [{ affectedRows: 3 }], statementIndex: 1 },
      ],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ query: sql })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMultiTransactional).toHaveBeenCalledWith(
      expect.anything(),
      'main',
      expect.stringContaining('DELETE FROM audit_logs'),
      'query-1',
    );
    expect(backendApp.DBQueryMulti).not.toHaveBeenCalled();
    expect(textContent(renderer!.root)).toContain('未提交');
  });

  it('auto commits SQL editor DML transactions after the configured delay', async () => {
    vi.useFakeTimers();
    storeState.sqlEditorTransactionOptions = {
      commitMode: 'auto',
      autoCommitDelayMs: 3000,
    };
    backendApp.DBQueryMultiTransactional.mockResolvedValueOnce({
      success: true,
      transactionId: 'tx-auto',
      transactionPending: true,
      data: [
        { columns: ['affectedRows'], rows: [{ affectedRows: 1 }], statementIndex: 1 },
      ],
    });

    try {
      let renderer!: ReactTestRenderer;
      await act(async () => {
        renderer = create(<QueryEditor tab={createTab({ query: "DELETE FROM users WHERE id = 1" })} />);
      });

      await act(async () => {
        await findButton(renderer!, '运行').props.onClick();
      });
      await act(async () => {
        await Promise.resolve();
        await Promise.resolve();
      });

      expect(textContent(renderer!.root)).toContain('3s 后自动提交');
      expect(backendApp.DBCommitTransaction).not.toHaveBeenCalled();

      await act(async () => {
        vi.advanceTimersByTime(3000);
        await Promise.resolve();
        await Promise.resolve();
      });

      expect(backendApp.DBCommitTransaction).toHaveBeenCalledWith('tx-auto');
      expect(backendApp.DBQueryMulti).not.toHaveBeenCalled();
    } finally {
      vi.useRealTimers();
    }
  });

  it('supports DBeaver-style immediate auto-commit for SQL editor DML transactions', async () => {
    vi.useFakeTimers();
    storeState.sqlEditorTransactionOptions = {
      commitMode: 'auto',
      autoCommitDelayMs: 0,
    };
    backendApp.DBQueryMultiTransactional.mockResolvedValueOnce({
      success: true,
      transactionId: 'tx-auto-now',
      transactionPending: true,
      data: [
        { columns: ['affectedRows'], rows: [{ affectedRows: 1 }], statementIndex: 1 },
      ],
    });

    try {
      let renderer!: ReactTestRenderer;
      await act(async () => {
        renderer = create(<QueryEditor tab={createTab({ query: "UPDATE users SET active = 0 WHERE id = 1" })} />);
      });

      await act(async () => {
        await findButton(renderer!, '运行').props.onClick();
      });
      await act(async () => {
        await Promise.resolve();
        await Promise.resolve();
      });

      expect(backendApp.DBQueryMultiTransactional).toHaveBeenCalled();
      expect(backendApp.DBQueryMulti).not.toHaveBeenCalled();
      expect(textContent(renderer!.root)).toContain('自动提交中');
      expect(textContent(renderer!.root)).toContain('提交 (1)');
      expect(backendApp.DBCommitTransaction).not.toHaveBeenCalled();

      await act(async () => {
        vi.runOnlyPendingTimers();
        await Promise.resolve();
        await Promise.resolve();
      });

      expect(backendApp.DBCommitTransaction).toHaveBeenCalledWith('tx-auto-now');
      expect(textContent(renderer!.root)).not.toContain('自动提交中');
    } finally {
      vi.useRealTimers();
    }
  });

  it('automatically appends hidden primary key locator columns for editable query results', async () => {
    storeState.connections[0].config.type = 'oracle';
    storeState.connections[0].config.database = 'ORCLPDB1';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['NAME', '__gonavi_locator_1_ID'], rows: [{ NAME: 'old-name', __gonavi_locator_1_ID: 7 }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'ID', key: 'PRI' }, { name: 'NAME', key: '' }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'ANONYMOUS', query: 'SELECT NAME FROM MYCIMLED.EDC_LOG' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.tableName).toBe('MYCIMLED.EDC_LOG');
    expect(dataGridState.latestProps?.pkColumns).toEqual(['ID']);
    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'primary-key',
      columns: ['ID'],
      valueColumns: ['__gonavi_locator_1_ID'],
      hiddenColumns: ['__gonavi_locator_1_ID'],
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(dataGridState.latestProps?.resultSql).toBe('SELECT NAME FROM MYCIMLED.EDC_LOG');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).toContain('"ID" AS "__gonavi_locator_1_ID"');
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it('normalizes unquoted lowercase Oracle identifiers before committing query result edits', async () => {
    storeState.connections[0].config.type = 'oracle';
    storeState.connections[0].config.database = 'ORCLPDB1';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['NAME', '__gonavi_locator_1_ID'], rows: [{ NAME: 'old-name', __gonavi_locator_1_ID: 7 }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'ID', key: 'PRI' }, { name: 'NAME', key: '' }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'anonymous', query: 'select name from mycimled.edc_log' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBGetColumns).toHaveBeenCalledWith(expect.anything(), 'MYCIMLED', 'EDC_LOG');
    expect(dataGridState.latestProps?.tableName).toBe('MYCIMLED.EDC_LOG');
    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'primary-key',
      columns: ['ID'],
      valueColumns: ['__gonavi_locator_1_ID'],
      hiddenColumns: ['__gonavi_locator_1_ID'],
      writableColumns: {
        name: 'NAME',
      },
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it('uses a unique index locator for query results without primary keys', async () => {
    storeState.connections[0].config.type = 'oracle';
    storeState.connections[0].config.database = 'ORCLPDB1';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['NAME', '__gonavi_locator_1_EMAIL'], rows: [{ NAME: 'old-name', __gonavi_locator_1_EMAIL: 'a@example.com' }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'EMAIL', key: '' }, { name: 'NAME', key: '' }],
    });
    backendApp.DBGetIndexes.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'UK_EMAIL', columnName: 'EMAIL', nonUnique: 0, seqInIndex: 1, indexType: 'BTREE' }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'ANONYMOUS', query: 'SELECT NAME FROM MYCIMLED.EDC_LOG' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'unique-key',
      columns: ['EMAIL'],
      valueColumns: ['__gonavi_locator_1_EMAIL'],
      hiddenColumns: ['__gonavi_locator_1_EMAIL'],
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).toContain('"EMAIL" AS "__gonavi_locator_1_EMAIL"');
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it('uses snake_case unique index metadata for query result row locators', async () => {
    storeState.connections[0].config.type = 'kingbase';
    storeState.connections[0].config.database = 'KINGBASE';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['NAME', '__gonavi_locator_1_EMAIL'], rows: [{ NAME: 'old-name', __gonavi_locator_1_EMAIL: 'a@example.com' }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ column_name: 'EMAIL' }, { column_name: 'NAME' }],
    });
    backendApp.DBGetIndexes.mockResolvedValueOnce({
      success: true,
      data: [{ index_name: 'users_email_key', column_name: 'EMAIL', is_unique: 't', seq_in_index: '1', index_type: 'btree' }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'KINGBASE', query: 'SELECT NAME FROM users' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'unique-key',
      columns: ['EMAIL'],
      valueColumns: ['__gonavi_locator_1_EMAIL'],
      hiddenColumns: ['__gonavi_locator_1_EMAIL'],
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it('uses hidden Oracle ROWID for query results without primary or unique keys', async () => {
    storeState.connections[0].config.type = 'oracle';
    storeState.connections[0].config.database = 'ORCLPDB1';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['NAME', ORACLE_ROWID_LOCATOR_COLUMN], rows: [{ NAME: 'old-name', [ORACLE_ROWID_LOCATOR_COLUMN]: 'AAAA' }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'NAME', key: '' }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'ANONYMOUS', query: 'SELECT NAME FROM MYCIMLED.EDC_LOG' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'oracle-rowid',
      columns: ['ROWID'],
      valueColumns: [ORACLE_ROWID_LOCATOR_COLUMN],
      hiddenColumns: [ORACLE_ROWID_LOCATOR_COLUMN],
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).toContain(`ROWID AS "${ORACLE_ROWID_LOCATOR_COLUMN}"`);
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it('rewrites Oracle SELECT * queries before injecting hidden ROWID locator columns', async () => {
    storeState.connections[0].config.type = 'oracle';
    storeState.connections[0].config.database = 'ORCLPDB1';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['WAFER_ID', ORACLE_ROWID_LOCATOR_COLUMN], rows: [{ WAFER_ID: 'R015Z10F08', [ORACLE_ROWID_LOCATOR_COLUMN]: 'AAAA' }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'WAFER_ID', key: '' }],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'ANONYMOUS', query: 'SELECT * FROM MYCIMLED.EDC_LOG' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const executedSql = String(backendApp.DBQueryMulti.mock.calls[0][2]);
    expect(executedSql).toContain('FROM MYCIMLED.EDC_LOG');
    expect(executedSql).toContain('FROM MYCIMLED.EDC_LOG gonavi_query_source');
    expect(executedSql).not.toContain('__gonavi_query_source__');
    expect(executedSql).not.toContain('SELECT *, ROWID AS');
    expect(executedSql).toMatch(/SELECT\s+gonavi_query_source\.\*\s*,\s+gonavi_query_source\.ROWID\s+AS\s+"__gonavi_oracle_rowid__"/i);
    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'oracle-rowid',
      columns: ['ROWID'],
      valueColumns: [ORACLE_ROWID_LOCATOR_COLUMN],
      hiddenColumns: [ORACLE_ROWID_LOCATOR_COLUMN],
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(messageApi.warning).not.toHaveBeenCalled();
    renderer?.unmount();
  });

  it('keeps Oracle anonymous PL/SQL blocks intact when running from the editor', async () => {
    storeState.connections[0].config.type = 'oracle';
    storeState.connections[0].config.database = 'ORCLPDB1';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['affectedRows'], rows: [{ affectedRows: 1 }] }],
    });
    const plsql = [
      'BEGIN',
      "    INSERT INTO tmp_disable_trigger (table_name) VALUES ('t_memcard_reg');",
      "    UPDATE t_memcard_reg SET CARDLEVEL = 1 WHERE MEMCARDNO = '8032277312';",
      "    DELETE FROM tmp_disable_trigger WHERE table_name = 't_memcard_reg';",
      'END;',
    ].join('\n');

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'ORCLPDB1', query: plsql })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(expect.anything(), 'ORCLPDB1', plsql, 'query-1');
    expect(storeState.addSqlLog).toHaveBeenCalledWith(expect.objectContaining({
      sql: plsql,
      status: 'success',
    }));
    renderer?.unmount();
  });

  it('renders result grid for sqlserver exec statements that return rows', async () => {
    storeState.connections[0].config.type = 'sqlserver';
    storeState.connections[0].config.database = 'master';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['SPID', 'STATUS'], rows: [{ SPID: 52, STATUS: 'RUNNABLE' }] }],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'master', query: 'EXEC sp_who2' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    expect(textContent(renderer!.toJSON())).not.toContain('影响行数：');
    expect(dataGridState.latestProps?.columnNames).toEqual(['SPID', 'STATUS']);
    expect(Array.isArray(dataGridState.latestProps?.data)).toBe(true);
    expect(dataGridState.latestProps?.data?.[0]).toMatchObject({ SPID: 52, STATUS: 'RUNNABLE' });
  });

  it('renders standalone message result for sqlserver statistics statements', async () => {
    storeState.connections[0].config.type = 'sqlserver';
    storeState.connections[0].config.database = 'master';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{
        columns: [],
        rows: [],
        messages: ["Table 'users'. Scan count 1, logical reads 3."],
      }],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'master', query: 'SET STATISTICS IO ON;' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(textContent(renderer!.toJSON())).toContain('消息 1');
    expect(textContent(renderer!.toJSON())).toContain("Table 'users'. Scan count 1, logical reads 3.");
    expect(dataGridState.latestProps?.columnNames).not.toEqual([]);
  });

  it('keeps multiple result sets from a single sqlserver statement', async () => {
    storeState.connections[0].config.type = 'sqlserver';
    storeState.connections[0].config.database = 'master';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [
        { statementIndex: 1, columns: ['name'], rows: [{ name: 'master' }] },
        { statementIndex: 1, columns: ['owner'], rows: [{ owner: 'sa' }] },
      ],
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'master', query: 'EXEC sp_helpdb' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    expect(textContent(renderer!.toJSON())).toContain('结果 2');
    expect(dataGridState.latestProps?.columnNames).toEqual(['name']);
  });

  it('keeps both tabs when rerunning the same single sqlserver statement with multiple result sets', async () => {
    storeState.connections[0].config.type = 'sqlserver';
    storeState.connections[0].config.database = 'master';
    backendApp.DBQueryMulti
      .mockResolvedValueOnce({
        success: true,
        data: [
          { statementIndex: 1, columns: ['name'], rows: [{ name: 'master' }] },
          { statementIndex: 1, columns: ['owner'], rows: [{ owner: 'sa' }] },
        ],
      })
      .mockResolvedValueOnce({
        success: true,
        data: [
          { statementIndex: 1, columns: ['name'], rows: [{ name: 'tempdb' }] },
          { statementIndex: 1, columns: ['owner'], rows: [{ owner: 'dbo' }] },
        ],
      });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'master', query: 'EXEC sp_helpdb' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const tabLabels = renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-label');
    });
    expect(tabLabels).toHaveLength(2);
    expect(dataGridState.latestProps?.columnNames).toEqual(['name']);
    expect(dataGridState.latestProps?.data?.[0]).toMatchObject({ name: 'tempdb' });
  });

  it('reloads the active secondary result set for a single sqlserver statement', async () => {
    storeState.connections[0].config.type = 'sqlserver';
    storeState.connections[0].config.database = 'master';
    backendApp.DBQueryMulti
      .mockResolvedValueOnce({
        success: true,
        data: [
          { statementIndex: 1, columns: ['name'], rows: [{ name: 'master' }] },
          { statementIndex: 1, columns: ['owner'], rows: [{ owner: 'sa' }] },
        ],
      })
      .mockResolvedValueOnce({
        success: true,
        data: [
          { statementIndex: 1, columns: ['name'], rows: [{ name: 'master' }] },
          { statementIndex: 1, columns: ['owner'], rows: [{ owner: 'dbo' }] },
        ],
      });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'master', query: 'EXEC sp_helpdb' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const resultTabButtons = renderer!.root.findAll((node) => node.type === 'button' && node.props['data-tab-key']);
    expect(resultTabButtons).toHaveLength(2);

    await act(async () => {
      resultTabButtons[1].props.onClick();
    });

    expect(dataGridState.latestProps?.columnNames).toEqual(['owner']);
    expect(dataGridState.latestProps?.data?.[0]).toMatchObject({ owner: 'sa' });

    await act(async () => {
      await dataGridState.latestProps?.onReload?.();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledTimes(2);
    expect(dataGridState.latestProps?.columnNames).toEqual(['owner']);
    expect(dataGridState.latestProps?.data?.[0]).toMatchObject({ owner: 'dbo' });
    expect(dataGridState.latestProps?.data).not.toEqual(expect.arrayContaining([expect.objectContaining({ name: 'master' })]));
  });

  it('keeps non-Oracle query results read-only when no safe locator exists', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['NAME'], rows: [{ NAME: 'old-name' }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'NAME', key: '' }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'main', query: 'SELECT NAME FROM users' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.tableName).toBe('users');
    expect(dataGridState.latestProps?.pkColumns).toEqual([]);
    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'none',
      readOnly: true,
      reason: '未检测到主键或可用唯一索引，无法安全提交修改。',
    });
    expect(dataGridState.latestProps?.readOnly).toBe(true);
    expect(messageApi.warning).toHaveBeenCalledWith('查询结果保持只读：main.users 未检测到主键或可用唯一索引，无法安全提交修改。');
  });

  it('keeps MySQL information_schema routine results read-only without a locator warning', async () => {
    const sql = [
      'SELECT ROUTINE_SCHEMA, ROUTINE_NAME, DEFINER, SECURITY_TYPE',
      'FROM information_schema.ROUTINES',
      "WHERE ROUTINE_SCHEMA = 'mkefu_location_dev_local'",
      "  AND ROUTINE_NAME = 'init_orgi'",
    ].join('\n');
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{
        columns: ['ROUTINE_SCHEMA', 'ROUTINE_NAME', 'DEFINER', 'SECURITY_TYPE'],
        rows: [{
          ROUTINE_SCHEMA: 'mkefu_location_dev_local',
          ROUTINE_NAME: 'init_orgi',
          DEFINER: 'root@%',
          SECURITY_TYPE: 'DEFINER',
        }],
      }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'mkefu_location_dev_local', query: sql })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.tableName).toBe('ROUTINES');
    expect(dataGridState.latestProps?.readOnly).toBe(true);
    expect(backendApp.DBGetColumns).not.toHaveBeenCalled();
    expect(backendApp.DBGetIndexes).not.toHaveBeenCalled();
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it('runs the SQL statement at the cursor instead of the whole editor when nothing is selected', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['two'], rows: [{ two: 2 }] }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1;\nselect 2 as two;\nselect 3;',
      })} />);
    });

    editorState.position = { lineNumber: 2, column: 8 };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.();
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(expect.anything(), 'main', expect.stringContaining('select 2 as two'), 'query-1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 3');
    expect(storeState.addSqlLog).toHaveBeenCalledWith(expect.objectContaining({
      sql: expect.stringContaining('select 2 as two'),
    }));
  });

  it('keeps cursor statement execution available in v2 UI', async () => {
    storeState.appearance.uiVersion = 'v2';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['two'], rows: [{ two: 2 }] }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1;\nselect 2 as two;\nselect 3;',
      })} />);
    });

    editorState.position = { lineNumber: 2, column: 8 };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.();
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(expect.anything(), 'main', expect.stringContaining('select 2 as two'), 'query-1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 3');
  });

  it('uses the last editor cursor position when the run button takes focus', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['two'], rows: [{ two: 2 }] }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\nselect 2 as b;\nselect 3 as c;',
      })} />);
    });

    editorState.cursorPositionListeners.forEach((listener) => {
      listener({ position: { lineNumber: 2, column: 'select 2 as b;'.length + 1 } });
    });
    editorState.hasTextFocus = false;
    editorState.position = { lineNumber: 3, column: 'select 3 as c;'.length + 1 };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(expect.anything(), 'main', expect.stringContaining('select 2 as b'), 'query-1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 3 as c');
  });

  it('prefers the last editor cursor event even if Monaco still reports text focus', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['two'], rows: [{ two: 2 }] }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\nselect 2 as b;\nselect 3 as c;',
      })} />);
    });

    editorState.cursorPositionListeners.forEach((listener) => {
      listener({ position: { lineNumber: 2, column: 'select 2 as b;'.length + 1 } });
    });
    editorState.hasTextFocus = true;
    editorState.position = { lineNumber: 3, column: 'select 3 as c;'.length + 1 };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(expect.anything(), 'main', expect.stringContaining('select 2 as b'), 'query-1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 3 as c');
  });

  it('uses Monaco active selection position when run button focus drifts onto a blank line', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['b'], rows: [{ b: 2 }] }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\nselect 2 as b;\n\nselect 3 as c;',
      })} />);
    });

    editorState.selection = {
      startLineNumber: 2,
      startColumn: 'select 2 as b;'.length + 1,
      endLineNumber: 2,
      endColumn: 'select 2 as b;'.length + 1,
      positionLineNumber: 2,
      positionColumn: 'select 2 as b;'.length + 1,
    };
    editorState.position = { lineNumber: 3, column: 1 };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(expect.anything(), 'main', expect.stringContaining('select 2 as b'), 'query-1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 1 as a');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 3 as c');
    expect(messageApi.info).not.toHaveBeenCalledWith('没有可执行的 SQL。');
  });

  it('keeps cursor statement execution when CRLF line endings put the cursor after a semicolon', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['b'], rows: [{ b: 2 }] }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\r\nselect 2 as b;\r\n\r\nselect 3 as c;',
      })} />);
    });

    editorState.position = { lineNumber: 2, column: 'select 2 as b;'.length + 1 };
    editorState.selection = {
      startLineNumber: 2,
      startColumn: 'select 2 as b;'.length + 1,
      endLineNumber: 2,
      endColumn: 'select 2 as b;'.length + 1,
      positionLineNumber: 2,
      positionColumn: 'select 2 as b;'.length + 1,
    };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(expect.anything(), 'main', expect.stringContaining('select 2 as b'), 'query-1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 1 as a');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 3 as c');
    expect(messageApi.info).not.toHaveBeenCalledWith('没有可执行的 SQL。');
  });

  it('does not execute SQL when the cursor is on a blank line', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['a'], rows: [{ a: 1 }] }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\nselect 2 as b;\n\nselect 3 as c;',
      })} />);
    });

    editorState.position = { lineNumber: 1, column: 'select 1 as a;'.length + 1 };
    editorState.selection = {
      startLineNumber: 1,
      startColumn: 'select 1 as a;'.length + 1,
      endLineNumber: 1,
      endColumn: 'select 1 as a;'.length + 1,
      positionLineNumber: 1,
      positionColumn: 'select 1 as a;'.length + 1,
    };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    backendApp.DBQueryMulti.mockClear();
    messageApi.info.mockClear();

    editorState.position = { lineNumber: 3, column: 1 };
    editorState.selection = {
      startLineNumber: 3,
      startColumn: 1,
      endLineNumber: 3,
      endColumn: 1,
      positionLineNumber: 3,
      positionColumn: 1,
    };
    editorState.cursorPositionListeners.forEach((listener) => {
      listener({ position: { lineNumber: 3, column: 1 } });
    });

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).not.toHaveBeenCalled();
    expect(messageApi.info).toHaveBeenCalledWith('没有可执行的 SQL。');
    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    expect(dataGridState.latestProps?.data).toEqual(expect.arrayContaining([expect.objectContaining({ a: 1 })]));
  });

  it('runs only appended SQL and keeps existing results after a full editor execution', async () => {
    backendApp.DBQueryMulti
      .mockResolvedValueOnce({
        success: true,
        data: [{ columns: ['a'], rows: [{ a: 1 }] }],
      })
      .mockResolvedValueOnce({
        success: true,
        data: [{ columns: ['b'], rows: [{ b: 2 }] }],
      });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;',
      })} />);
    });

    editorState.position = { lineNumber: 1, column: 'select 1 as a;'.length + 1 };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    editorState.value = 'select 1 as a;\nselect 2 as b;';
    editorState.position = { lineNumber: 2, column: 'select 2 as b;'.length + 1 };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledTimes(2);
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).toContain('select 1 as a');
    expect(String(backendApp.DBQueryMulti.mock.calls[1][2])).toContain('select 2 as b');
    expect(String(backendApp.DBQueryMulti.mock.calls[1][2])).not.toContain('select 1 as a');
    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    expect(textContent(renderer!.toJSON())).toContain('结果 2');
    expect(renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-count') && textContent(node) === '1';
    })).toHaveLength(2);
  });

  it('replaces existing result tabs when rerunning the same formatted SQL', async () => {
    backendApp.DBQueryMulti
      .mockResolvedValueOnce({
        success: true,
        data: [
          { columns: ['id'], rows: [{ id: 1 }, { id: 2 }, { id: 3 }] },
          { columns: ['id'], rows: Array.from({ length: 10 }, (_, index) => ({ id: index + 1 })) },
        ],
      })
      .mockResolvedValueOnce({
        success: true,
        data: [
          { columns: ['id'], rows: [{ id: 11 }, { id: 12 }, { id: 13 }] },
          { columns: ['id'], rows: Array.from({ length: 10 }, (_, index) => ({ id: index + 11 })) },
        ],
      });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'SELECT * FROM fs_org_auth_application;\nSELECT * FROM fs_bcp_auth_info;',
      })} />);
    });

    editorState.position = { lineNumber: 1, column: 'SELECT * FROM fs_org_auth_application;'.length + 1 };
    editorState.selection = null;

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    expect(textContent(renderer!.toJSON())).toContain('结果 2');

    editorState.value = [
      'SELECT',
      '    *',
      'FROM',
      '    fs_org_auth_application;',
      '',
      'SELECT',
      '    *',
      'FROM',
      '    fs_bcp_auth_info;',
    ].join('\n');
    editorState.position = { lineNumber: 4, column: '    fs_org_auth_application;'.length + 1 };
    editorState.selection = null;

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledTimes(2);
    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    expect(textContent(renderer!.toJSON())).toContain('结果 2');
    expect(textContent(renderer!.toJSON())).not.toContain('结果 3');
    expect(textContent(renderer!.toJSON())).not.toContain('结果 4');
    expect(renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-label');
    })).toHaveLength(2);
  });

  it('provides context menu actions for query result tabs', async () => {
    backendApp.DBQueryMulti.mockResolvedValue({
      success: true,
      data: [
        { columns: ['a'], rows: [{ a: 1 }] },
        { columns: ['b'], rows: [{ b: 2 }] },
        { columns: ['c'], rows: [{ c: 3 }] },
      ],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\nselect 2 as b;\nselect 3 as c;',
      })} />);
    });

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-label');
    })).toHaveLength(3);

    await act(async () => {
      renderer!.root.findAll((node) => node.type === 'button' && textContent(node) === '关闭右侧')[1].props.onClick();
    });
    expect(renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-label');
    })).toHaveLength(2);
    expect(textContent(renderer!.toJSON())).not.toContain('结果 3');

    await act(async () => {
      renderer!.root.findAll((node) => node.type === 'button' && textContent(node) === '关闭左侧')[1].props.onClick();
    });
    expect(renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-label');
    })).toHaveLength(1);
    expect(dataGridState.latestProps?.data).toEqual(expect.arrayContaining([expect.objectContaining({ b: 2 })]));
    expect(dataGridState.latestProps?.data).not.toEqual(expect.arrayContaining([expect.objectContaining({ a: 1 })]));
    expect(dataGridState.latestProps?.data).not.toEqual(expect.arrayContaining([expect.objectContaining({ c: 3 })]));

    await act(async () => {
      renderer!.root.findAll((node) => node.type === 'button' && textContent(node) === '关闭所有')[0].props.onClick();
    });
    expect(renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-label');
    })).toHaveLength(0);
  });

  it('replaces the current result when rerunning the same cursor SQL', async () => {
    backendApp.DBQueryMulti
      .mockResolvedValueOnce({
        success: true,
        data: [{ columns: ['a'], rows: [{ a: 1 }] }],
      })
      .mockResolvedValueOnce({
        success: true,
        data: [{ columns: ['a'], rows: [{ a: 10 }] }],
      });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\nselect 2 as b;\nselect 3 as c;',
      })} />);
    });

    editorState.position = { lineNumber: 1, column: 'select 1 as a;'.length + 1 };
    editorState.selection = {
      startLineNumber: 1,
      startColumn: 'select 1 as a;'.length + 1,
      endLineNumber: 1,
      endColumn: 'select 1 as a;'.length + 1,
      positionLineNumber: 1,
      positionColumn: 'select 1 as a;'.length + 1,
    };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const tabLabels = renderer!.root.findAll((node) => textContent(node).includes('结果 '));
    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    expect(textContent(renderer!.toJSON())).not.toContain('结果 2');
    expect(tabLabels.length).toBeGreaterThan(0);
    expect(dataGridState.latestProps?.data).toEqual(expect.arrayContaining([expect.objectContaining({ a: 10 })]));
    expect(backendApp.DBQueryMulti).toHaveBeenCalledTimes(2);
    expect(String(backendApp.DBQueryMulti.mock.calls[1][2])).toContain('select 1 as a');
    expect(String(backendApp.DBQueryMulti.mock.calls[1][2])).not.toContain('select 2 as b');
  });

  it('appends a result when running a different cursor SQL after an existing result', async () => {
    backendApp.DBQueryMulti
      .mockResolvedValueOnce({
        success: true,
        data: [{ columns: ['a'], rows: [{ a: 1 }] }],
      })
      .mockResolvedValueOnce({
        success: true,
        data: [{ columns: ['b'], rows: [{ b: 2 }] }],
      });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\nselect 2 as b;\nselect 3 as c;',
      })} />);
    });

    editorState.position = { lineNumber: 1, column: 'select 1 as a;'.length + 1 };
    editorState.selection = {
      startLineNumber: 1,
      startColumn: 'select 1 as a;'.length + 1,
      endLineNumber: 1,
      endColumn: 'select 1 as a;'.length + 1,
      positionLineNumber: 1,
      positionColumn: 'select 1 as a;'.length + 1,
    };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    editorState.position = { lineNumber: 2, column: 'select 2 as b;'.length + 1 };
    editorState.selection = {
      startLineNumber: 2,
      startColumn: 'select 2 as b;'.length + 1,
      endLineNumber: 2,
      endColumn: 'select 2 as b;'.length + 1,
      positionLineNumber: 2,
      positionColumn: 'select 2 as b;'.length + 1,
    };

    await act(async () => {
      const runButton = findButton(renderer!, '运行');
      runButton.props.onMouseDown?.({ preventDefault: vi.fn() });
      await runButton.props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledTimes(2);
    expect(String(backendApp.DBQueryMulti.mock.calls[1][2])).toContain('select 2 as b');
    expect(String(backendApp.DBQueryMulti.mock.calls[1][2])).not.toContain('select 1 as a');
    expect(String(backendApp.DBQueryMulti.mock.calls[1][2])).not.toContain('select 3 as c');
    expect(textContent(renderer!.toJSON())).toContain('结果 1');
    expect(textContent(renderer!.toJSON())).toContain('结果 2');
    expect(dataGridState.latestProps?.data).toEqual(expect.arrayContaining([expect.objectContaining({ b: 2 })]));
    expect(dataGridState.latestProps?.data).not.toEqual(expect.arrayContaining([expect.objectContaining({ a: 1 })]));
  });

  it('renders compact result tab labels with row counts outside the title text', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [
        { columns: ['a'], rows: [{ a: 1 }, { a: 2 }] },
        { columns: ['b'], rows: [{ b: 3 }] },
      ],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1 as a;\nselect 2 as b;',
      })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const tabLabels = renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-label');
    });
    const counts = renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-count');
    });
    const titles = renderer!.root.findAll((node) => {
      const className = String(node.props?.className || '');
      return className.includes('query-result-tab-text');
    });

    expect(tabLabels).toHaveLength(2);
    expect(titles.map((node) => textContent(node))).toEqual(['结果 1', '结果 2']);
    expect(counts.map((node) => textContent(node))).toEqual(['2', '1']);
    expect(textContent(renderer!.toJSON())).not.toContain('结果 1 (2)');
  });

  it('keeps query result tabs compact, centered, and readable in v2 UI', () => {
    const source = readFileSync(new URL('./QueryEditorResultsPanel.tsx', import.meta.url), 'utf8');
    const css = readFileSync(new URL('../v2-theme.css', import.meta.url), 'utf8');

    expect(source).toContain('.query-result-tabs .ant-tabs-tab {');
    expect(source).toContain('width: auto !important;');
    expect(source).toContain('max-width: 148px !important;');
    expect(source).toContain('height: 30px !important;');
    expect(source).toContain('align-items: center !important;');
    expect(source).toContain('font-size: 14px !important;');
    expect(source).toContain('.query-result-tab-text {');
    expect(source).toContain('user-select: none;');
    expect(source).toContain('font-weight: 700;');
    expect(css).toContain('body[data-ui-version="v2"] .gn-v2-query-results .query-result-tabs > .ant-tabs-nav .ant-tabs-tab {');
    expect(css).toContain('body[data-ui-version="v2"] .gn-v2-query-results .query-result-tabs > .ant-tabs-nav .ant-tabs-tab-btn {');
    expect(css).toContain('user-select: none;');
    expect(css).toContain('body[data-ui-version="v2"] .gn-v2-query-results .query-result-tab-text {');
  });

  it('keeps the v2 query editor toolbar grouped and compact', () => {
    const source = readFileSync(new URL('./QueryEditor.tsx', import.meta.url), 'utf8');
    const toolbarSource = readFileSync(new URL('./QueryEditorToolbar.tsx', import.meta.url), 'utf8');
    const transactionSettingsSource = readFileSync(new URL('./QueryEditorTransactionSettings.tsx', import.meta.url), 'utf8');
    const transactionToolbarSource = readFileSync(new URL('./QueryEditorTransactionToolbar.tsx', import.meta.url), 'utf8');
    const css = readFileSync(new URL('../v2-theme.css', import.meta.url), 'utf8');

    expect(source).toContain('QueryEditorToolbar');
    expect(toolbarSource).toContain('gn-v2-query-toolbar-selects');
    expect(toolbarSource).toContain('gn-v2-query-toolbar-actions');
    expect(toolbarSource).toContain('gn-v2-query-toolbar-connection-select');
    expect(toolbarSource).toContain('gn-v2-query-toolbar-database-select');
    expect(toolbarSource).toContain('gn-v2-query-toolbar-max-rows-select');
    expect(toolbarSource).toContain('QueryEditorTransactionSettings');
    expect(transactionSettingsSource).toContain('gn-v2-query-toolbar-transaction-mode-select');
    expect(transactionSettingsSource).toContain('gn-v2-query-toolbar-transaction-delay-select');
    expect(transactionSettingsSource).toContain('参考 DBeaver');
    expect(transactionSettingsSource).toContain("label: '手动'");
    expect(transactionSettingsSource).toContain("label: '自动'");
    expect(transactionSettingsSource).not.toContain("label: '手动提交'");
    expect(transactionSettingsSource).not.toContain("label: '自动提交'");
    expect(transactionSettingsSource).toContain("label: '立即'");
    expect(transactionSettingsSource).toContain("label: '3s'");
    expect(source).toContain('QueryEditorTransactionToolbar');
    expect(transactionToolbarSource).toContain("className={isV2Ui ? 'gn-v2-query-transaction-toolbar' : undefined}");
    expect(transactionToolbarSource).toContain("'未提交'");
    expect(transactionToolbarSource).toContain('gn-v2-query-transaction-commit-button');
    expect(transactionToolbarSource).toContain('gn-v2-toolbar-kbd');
    expect(transactionToolbarSource).toContain("'自动提交中'");
    expect(transactionToolbarSource).toContain('onFinish');
    expect(toolbarSource).toContain('gn-v2-query-toolbar-action-group');
    expect(transactionSettingsSource).toContain('style={isV2Ui ? undefined : { width: 78 }}');
    expect(transactionSettingsSource).toContain('style={isV2Ui ? undefined : { width: 68 }}');
    expect(toolbarSource).toContain('style={isV2Ui ? undefined : { width: 200 }}');
    expect(toolbarSource).toContain('style={isV2Ui ? undefined : { width: 170 }}');

    expect(css).toContain('body[data-ui-version="v2"] .gn-v2-query-toolbar-selects');
    expect(css).toContain('body[data-ui-version="v2"] .gn-v2-query-toolbar-actions');
    expect(css).toContain('width: 74px !important;');
    expect(css).toContain('width: 62px !important;');
    expect(css).toContain('flex: 0 1 auto !important;');
    expect(css).toContain('justify-content: flex-start;');
    expect(css).toContain('height: 32px !important;');
    expect(css).toContain('line-height: 30px !important;');
    expect(css).toContain('display: inline-flex !important;');
    expect(css).toContain('gap: 6px;');
    expect(css).toContain('margin-left: 0 !important;');
    expect(css).toContain('max-width: 760px;');
    expect(css).toContain('width: 140px !important;');
    expect(css).toContain('width: 166px !important;');
    expect(css).toContain('width: 132px !important;');
    expect(css).toContain('width: 34px !important;');
    expect(css).toContain('@media (max-width: 900px)');

    const queryToolbarCss = css.slice(css.indexOf('body[data-ui-version="v2"] .gn-v2-query-toolbar {'), css.indexOf('body[data-ui-version="v2"] .gn-v2-query-monaco-shell {'));
    expect(queryToolbarCss).not.toContain('margin-left: auto;');
    expect(queryToolbarCss).not.toContain('justify-content: flex-end;');
  });

  it('keeps custom SQL snippet syntax help editable and uses it in completion details', () => {
    const modalSource = readFileSync(new URL('./SnippetSettingsModal.tsx', import.meta.url), 'utf8');
    const source = readFileSync(new URL('./QueryEditor.tsx', import.meta.url), 'utf8');

    expect(modalSource).toContain('片段语法说明（可选）');
    expect(modalSource).toContain('syntaxHelp');
    expect(modalSource).toContain('占位符语法参考');
    expect(source).toContain('s.syntaxHelp || s.description || s.body');
  });

  it('coalesces editor result splitter dragging through requestAnimationFrame', async () => {
    const moveListeners: Array<(event: MouseEvent) => void> = [];
    const upListeners: Array<() => void> = [];
    const frameCallbacks: FrameRequestCallback[] = [];
    vi.mocked(document.addEventListener).mockImplementation((type: string, listener: any) => {
      if (type === 'mousemove') moveListeners.push(listener);
      if (type === 'mouseup') upListeners.push(listener);
    });
    vi.mocked(window.requestAnimationFrame).mockImplementation((callback: FrameRequestCallback) => {
      frameCallbacks.push(callback);
      return frameCallbacks.length;
    });

    let renderer!: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ resultPanelVisible: true })} />);
    });

    const resizer = renderer.root.find((node) => node.props?.title === '拖动调整高度');
    await act(async () => {
      resizer.props.onMouseDown({ clientY: 300, preventDefault: vi.fn() });
      moveListeners.forEach((listener) => listener({ clientY: 340 } as MouseEvent));
      moveListeners.forEach((listener) => listener({ clientY: 380 } as MouseEvent));
    });

    expect(window.requestAnimationFrame).toHaveBeenCalledTimes(1);
    expect(editorState.editor.layout).not.toHaveBeenCalled();

    await act(async () => {
      frameCallbacks.splice(0).forEach((callback) => callback(16));
    });
    expect(editorState.editor.layout).toHaveBeenCalledTimes(1);

    await act(async () => {
      upListeners.forEach((listener) => listener());
    });
    expect(editorState.editor.layout).toHaveBeenCalledTimes(2);
    expect(document.removeEventListener).toHaveBeenCalledWith('mousemove', expect.any(Function));
    expect(document.removeEventListener).toHaveBeenCalledWith('mouseup', expect.any(Function));
  });

  it('inserts sidebar object text when dropped into the SQL editor', async () => {
    const domListeners: Record<string, ((event?: any) => void)[]> = {};
    editorState.domNode = {
      style: { cursor: '' },
      addEventListener: vi.fn((type: string, listener: (event?: any) => void) => {
        domListeners[type] ||= [];
        domListeners[type].push(listener);
      }),
      removeEventListener: vi.fn(),
    } as any;

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: 'select * from ' })} />);
    });

    editorState.position = { lineNumber: 1, column: 'select * from '.length + 1 };

    await act(async () => {
      domListeners.drop?.forEach((listener) => listener({
        clientX: 10,
        clientY: 10,
        preventDefault: vi.fn(),
        stopPropagation: vi.fn(),
        dataTransfer: {
          types: ['application/x-gonavi-sql-object', 'text/plain'],
          getData: (type: string) => {
            if (type === 'application/x-gonavi-sql-object') {
              return JSON.stringify({ text: 'reporting.active_users' });
            }
            if (type === 'text/plain') {
              return 'reporting.active_users';
            }
            return '';
          },
        },
      }));
    });

    expect(editorState.editor.executeEdits).toHaveBeenCalledWith(
      'gonavi-sidebar-drop',
      [expect.objectContaining({ text: 'reporting.active_users' })],
    );
    expect(editorState.value).toContain('reporting.active_users');
  });

  it('prevents Monaco native drag marker and keeps metadata hover after sidebar object drops', async () => {
    const domListeners: Record<string, ((event?: any) => void)[]> = {};
    editorState.domNode = {
      style: { cursor: '' },
      addEventListener: vi.fn((type: string, listener: (event?: any) => void) => {
        domListeners[type] ||= [];
        domListeners[type].push(listener);
      }),
      removeEventListener: vi.fn(),
    } as any;
    editorState.editor.getTargetAtClientPoint = vi.fn(() => ({
      position: { lineNumber: 1, column: 'SELECT * FROM '.length + 1 },
    }));
    editorState.value = 'SELECT * FROM ';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'front_end_sys' }] });
    backendApp.DBGetTables.mockResolvedValueOnce({ success: true, data: [{ Tables_in_front_end_sys: 'fs_mkefu_regist_record' }] });
    backendApp.DBGetAllColumns.mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'front_end_sys' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    const dragOverEvent = {
      preventDefault: vi.fn(),
      stopPropagation: vi.fn(),
      dataTransfer: {
        types: ['application/x-gonavi-sql-object', 'text/plain'],
        dropEffect: 'none',
        getData: vi.fn(() => ''),
      },
    };
    await act(async () => {
      domListeners.dragover?.forEach((listener) => listener(dragOverEvent));
    });

    expect(dragOverEvent.preventDefault).toHaveBeenCalled();
    expect(dragOverEvent.stopPropagation).toHaveBeenCalled();
    expect(dragOverEvent.dataTransfer.dropEffect).toBe('copy');
    expect(dragOverEvent.dataTransfer.getData).not.toHaveBeenCalled();

    await act(async () => {
      domListeners.drop?.forEach((listener) => listener({
        clientX: 10,
        clientY: 10,
        preventDefault: vi.fn(),
        stopPropagation: vi.fn(),
        dataTransfer: {
          types: ['application/x-gonavi-sql-object', 'text/plain'],
          getData: (type: string) => {
            if (type === 'application/x-gonavi-sql-object') {
              return JSON.stringify({ text: 'fs_mkefu_regist_record' });
            }
            if (type === 'text/plain') {
              return 'fs_mkefu_regist_record';
            }
            return '';
          },
        },
      }));
    });

    const hover = editorState.hoverProviders[0]?.provideHover(
      editorState.editor.getModel(),
      { lineNumber: 1, column: 'SELECT * FROM fs_mkefu_regist_record'.length },
    );
    expect(editorState.value).toContain('fs_mkefu_regist_record');
    expect(hover?.contents?.[0]?.value).toContain('**表** `fs_mkefu_regist_record`');

    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber: 1, column: 'SELECT * FROM fs_mkefu_regist_record'.length } },
        event: {
          leftButton: true,
          ctrlKey: true,
          metaKey: false,
          preventDefault: vi.fn(),
          stopPropagation: vi.fn(),
        },
      });
    });

    expect(storeState.setActiveContext).toHaveBeenCalledWith({ connectionId: 'conn-1', dbName: 'front_end_sys' });
    expect(storeState.addTab).toHaveBeenCalledWith(expect.objectContaining({
      type: 'table',
      connectionId: 'conn-1',
      dbName: 'front_end_sys',
      tableName: 'fs_mkefu_regist_record',
      objectType: 'table',
    }));
  });

  it('keeps sidebar object navigation tied to the dragged database after drop', async () => {
    const domListeners: Record<string, ((event?: any) => void)[]> = {};
    editorState.domNode = {
      style: { cursor: '' },
      addEventListener: vi.fn((type: string, listener: (event?: any) => void) => {
        domListeners[type] ||= [];
        domListeners[type].push(listener);
      }),
      removeEventListener: vi.fn(),
    } as any;
    editorState.editor.getTargetAtClientPoint = vi.fn(() => ({
      position: { lineNumber: 1, column: 'SELECT * FROM '.length + 1 },
    }));
    editorState.value = 'SELECT * FROM ';
    autoFetchState.visible = true;
    backendApp.DBGetDatabases.mockResolvedValueOnce({ success: true, data: [{ Database: 'main' }, { Database: 'front_end_sys' }] });
    backendApp.DBGetTables
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_main: 'users' }] })
      .mockResolvedValueOnce({ success: true, data: [{ Tables_in_front_end_sys: 'fs_mkefu_regist_record' }] });
    backendApp.DBGetAllColumns
      .mockResolvedValueOnce({ success: true, data: [] })
      .mockResolvedValueOnce({ success: true, data: [] });

    await act(async () => {
      create(<QueryEditor tab={createTab({ query: editorState.value, dbName: 'main' })} />);
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    await act(async () => {
      domListeners.drop?.forEach((listener) => listener({
        clientX: 10,
        clientY: 10,
        preventDefault: vi.fn(),
        stopPropagation: vi.fn(),
        dataTransfer: {
          types: ['application/x-gonavi-sql-object', 'text/plain'],
          getData: (type: string) => {
            if (type === 'application/x-gonavi-sql-object') {
              return JSON.stringify({
                text: 'fs_mkefu_regist_record',
                nodeType: 'table',
                connectionId: 'conn-1',
                dbName: 'front_end_sys',
              });
            }
            if (type === 'text/plain') {
              return 'fs_mkefu_regist_record';
            }
            return '';
          },
        },
      }));
    });

    expect(editorState.value).toContain('front_end_sys.fs_mkefu_regist_record');

    await act(async () => {
      editorState.mouseDownListeners[0]?.({
        target: { position: { lineNumber: 1, column: 'SELECT * FROM front_end_sys.fs_mkefu_regist_record'.length } },
        event: {
          leftButton: true,
          ctrlKey: true,
          metaKey: false,
          preventDefault: vi.fn(),
          stopPropagation: vi.fn(),
        },
      });
    });

    expect(storeState.setActiveContext).toHaveBeenCalledWith({ connectionId: 'conn-1', dbName: 'front_end_sys' });
    expect(storeState.addTab).toHaveBeenCalledWith(expect.objectContaining({
      type: 'table',
      connectionId: 'conn-1',
      dbName: 'front_end_sys',
      tableName: 'fs_mkefu_regist_record',
      objectType: 'table',
    }));
  });

  it('runs selected SQL before cursor SQL', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['selected'], rows: [{ selected: 2 }] }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'select 1;\nselect 2 as selected;\nselect 3;',
      })} />);
    });

    editorState.position = { lineNumber: 1, column: 4 };
    editorState.selection = {
      startLineNumber: 2,
      startColumn: 1,
      endLineNumber: 2,
      endColumn: 'select 2 as selected'.length + 1,
    };

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBQueryMulti).toHaveBeenCalledWith(expect.anything(), 'main', expect.stringContaining('select 2 as selected'), 'query-1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 1');
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).not.toContain('select 3');
  });

  it('allows editable table columns while leaving expression columns out of commits', async () => {
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{
        columns: ['DISPLAY_NAME', 'NAME_UPPER', '__gonavi_locator_1_ID'],
        rows: [{ DISPLAY_NAME: 'old-name', NAME_UPPER: 'OLD-NAME', __gonavi_locator_1_ID: 7 }],
      }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'ID', key: 'PRI' }, { name: 'NAME', key: '' }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({
        dbName: 'main',
        query: 'SELECT NAME AS DISPLAY_NAME, UPPER(NAME) AS NAME_UPPER FROM users',
      })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.tableName).toBe('users');
    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'primary-key',
      columns: ['ID'],
      valueColumns: ['__gonavi_locator_1_ID'],
      hiddenColumns: ['__gonavi_locator_1_ID'],
      writableColumns: {
        DISPLAY_NAME: 'NAME',
      },
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).toContain('`ID` AS `__gonavi_locator_1_ID`');
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it('keeps DuckDB qualified table query results writable when primary key metadata arrives', async () => {
    storeState.connections[0].config.type = 'duckdb';
    storeState.connections[0].config.database = 'main';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['NAME', '__gonavi_locator_1_id'], rows: [{ NAME: 'launch', __gonavi_locator_1_id: 7 }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'id', key: 'PRI' }, { name: 'name', key: '' }],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'main', query: 'SELECT NAME FROM main.events' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(backendApp.DBGetColumns).toHaveBeenCalledWith(expect.anything(), 'main', 'main.events');
    expect(dataGridState.latestProps?.tableName).toBe('main.events');
    expect(dataGridState.latestProps?.pkColumns).toEqual(['id']);
    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'primary-key',
      columns: ['id'],
      valueColumns: ['__gonavi_locator_1_id'],
      hiddenColumns: ['__gonavi_locator_1_id'],
      writableColumns: {
        NAME: 'name',
      },
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).toContain('"id" AS "__gonavi_locator_1_id"');
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it('uses hidden DuckDB rowid when query results have no primary or unique key', async () => {
    storeState.connections[0].config.type = 'duckdb';
    storeState.connections[0].config.database = 'main';
    backendApp.DBQueryMulti.mockResolvedValueOnce({
      success: true,
      data: [{ columns: ['NAME', '__gonavi_duckdb_rowid__'], rows: [{ NAME: 'launch', __gonavi_duckdb_rowid__: 17 }] }],
    });
    backendApp.DBGetColumns.mockResolvedValueOnce({
      success: true,
      data: [{ name: 'name', key: '' }],
    });
    backendApp.DBGetIndexes.mockResolvedValueOnce({
      success: true,
      data: [],
    });

    let renderer: ReactTestRenderer;
    await act(async () => {
      renderer = create(<QueryEditor tab={createTab({ dbName: 'main', query: 'SELECT NAME FROM main.events' })} />);
    });

    await act(async () => {
      await findButton(renderer!, '运行').props.onClick();
    });
    await act(async () => {
      await Promise.resolve();
      await Promise.resolve();
    });

    expect(dataGridState.latestProps?.tableName).toBe('main.events');
    expect(dataGridState.latestProps?.pkColumns).toEqual([]);
    expect(dataGridState.latestProps?.editLocator).toMatchObject({
      strategy: 'duckdb-rowid',
      columns: ['rowid'],
      valueColumns: ['__gonavi_duckdb_rowid__'],
      hiddenColumns: ['__gonavi_duckdb_rowid__'],
      writableColumns: {
        NAME: 'name',
      },
      readOnly: false,
    });
    expect(dataGridState.latestProps?.readOnly).toBe(false);
    expect(String(backendApp.DBQueryMulti.mock.calls[0][2])).toContain('rowid AS "__gonavi_duckdb_rowid__"');
    expect(messageApi.warning).not.toHaveBeenCalled();
  });

  it.each([
    'mysql',
    'mariadb',
    'oceanbase',
    'diros',
    'sphinx',
    'postgres',
    'kingbase',
    'highgo',
    'vastbase',
    'opengauss',
    'sqlserver',
    'sqlite',
    'duckdb',
    'oracle',
    'dameng',
    'tdengine',
    'clickhouse',
  ])(
    'keeps aggregate query results silently read-only for %s',
    async (dbType) => {
      storeState.connections[0].config.type = dbType;
      storeState.connections[0].config.database = dbType === 'oracle' || dbType === 'dameng' ? 'APP' : 'main';
      const forceReadOnlyQueryResult = dbType === 'tdengine' || dbType === 'clickhouse';
      backendApp.DBQueryMulti.mockResolvedValueOnce({
        success: true,
        data: [{ columns: ['COUNT'], rows: [{ COUNT: 1 }] }],
      });

      let renderer: ReactTestRenderer;
      await act(async () => {
        renderer = create(<QueryEditor tab={createTab({
          dbName: storeState.connections[0].config.database,
          query: 'SELECT count(1) FROM users',
        })} />);
      });

      await act(async () => {
        await findButton(renderer!, '运行').props.onClick();
      });
      await act(async () => {
        await Promise.resolve();
        await Promise.resolve();
      });

      const expectedTableName = dbType === 'oracle' || dbType === 'dameng' ? 'USERS' : 'users';
      expect(dataGridState.latestProps?.tableName).toBe(forceReadOnlyQueryResult ? undefined : expectedTableName);
      expect(dataGridState.latestProps?.editLocator).toBeUndefined();
      expect(dataGridState.latestProps?.readOnly).toBe(true);
      expect(backendApp.DBGetColumns).not.toHaveBeenCalled();
      expect(backendApp.DBGetIndexes).not.toHaveBeenCalled();
      expect(messageApi.warning).not.toHaveBeenCalled();
    },
  );
});
