🐛 fix(data-grid): 兼容 bit 十六进制值大小写

- 让 bit 十六进制字面量匹配不区分大小写
- 避免大写十六进制值回退为带引号字符串
- 增加 0X0F 复制 INSERT 回归验证

frontend/src/components/dataGridCopyInsert.test.ts

@@ -86,7 +86,7 @@ describe('buildCopyInsertSQL', () => {
       record: {
         disabled: 0,
         enabled: 1,
-        mask: '0x05',
+        mask: '0X0F',
         note: '1',
       },
       columnTypesByLowerName: {
@@ -97,7 +97,7 @@ describe('buildCopyInsertSQL', () => {
       },
     });
 
-    expect(sql).toBe("INSERT INTO `flags` (`disabled`, `enabled`, `mask`, `note`) VALUES (0, 1, 5, '1');");
+    expect(sql).toBe("INSERT INTO `flags` (`disabled`, `enabled`, `mask`, `note`) VALUES (0, 1, 15, '1');");
   });
 
   it('normalizes MySQL bit binary and decimal text values', () => {

frontend/src/components/dataGridCopyInsert.ts

@@ -250,7 +250,7 @@ const formatMySQLBitLiteral = (value: any): string | null => {
   if (/^0[bB][01]+$/.test(raw)) {
     numericText = raw.slice(2);
     radix = 2;
-  } else if (/^0[xX][0-9a-f]+$/.test(raw)) {
+  } else if (/^0x[0-9a-f]+$/i.test(raw)) {
     numericText = raw.slice(2);
     radix = 16;
   } else if (!/^\d+$/.test(raw)) {