🐛 fix(sql-editor): 修复表名悬停元数据重复展示

- 去除 Cmd/Ctrl 导航高亮 decoration 上的 hoverMessage

- 统一由 SQL hover provider 输出对象元数据

- 补充回归断言，确保表元数据只展示一次

frontend/src/components/QueryEditor.external-sql-save.test.tsx

@@ -777,8 +777,15 @@ describe('QueryEditor external SQL save', () => {
     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?.value).toMatch(/(?:Ctrl|⌘) \+ 点击打开该表/);
-    expect(lastDecorationCall?.[1]?.[0]?.options?.hoverMessage?.value).toContain('**表** `events`');
+    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]?.();

frontend/src/components/QueryEditor.tsx

@@ -1630,16 +1630,6 @@ export const resolveQueryEditorNavigationDecorations = (
     }];
 };
 
-const buildQueryEditorNavigationHoverMarkdown = (
-    hoverTarget: QueryEditorHoverTarget | null,
-    actionHint: string,
-): string => {
-    const hoverContent = hoverTarget ? buildQueryEditorHoverMarkdown(hoverTarget) : '';
-    return hoverContent
-        ? `${hoverContent}\n\n---\n\n${actionHint}`
-        : actionHint;
-};
-
 const dispatchQueryEditorSidebarLocate = (detail: Record<string, unknown>) => {
     if (typeof window === 'undefined') {
         return;
@@ -2652,20 +2642,6 @@ const QueryEditor: React.FC<{ tab: TabData; isActive?: boolean }> = ({ tab, isAc
               setQueryEditorMouseCursor(editor, '');
               return;
           }
-          const hoverTarget = resolveQueryEditorHoverTarget(
-              getQueryEditorObjectResolveText(model, lineContent),
-              lineContent,
-              targetPosition.column,
-              currentDbRef.current,
-              visibleDbsRef.current,
-              tablesRef.current,
-              allColumnsRef.current,
-              viewsRef.current,
-              materializedViewsRef.current,
-              triggersRef.current,
-              routinesRef.current,
-          );
-
           linkDecorationIdsRef.current = editor.deltaDecorations(
               linkDecorationIdsRef.current,
               decorations.map((item) => ({
@@ -2677,9 +2653,6 @@ const QueryEditor: React.FC<{ tab: TabData; isActive?: boolean }> = ({ tab, isAc
                   ),
                   options: {
                       inlineClassName: 'gonavi-query-editor-link-hint',
-                      hoverMessage: {
-                          value: buildQueryEditorNavigationHoverMarkdown(hoverTarget, item.hoverMessage),
-                      },
                   },
               })),
           );