fix: move version history section below header on test edit page

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/pages/TestEdit/index.tsx

@@ -127,6 +127,65 @@ export default function TestEdit() {
         style={{ marginBottom: 16 }}
       />
 
+      {versions.length > 1 && (
+        <>
+          <Title level={3}>История версий</Title>
+          <Table<TestListItem>
+            dataSource={versions}
+            rowKey="id"
+            size="small"
+            pagination={false}
+            style={{ marginBottom: 24 }}
+            rowClassName={(record) => (record.id === test.id ? 'ant-table-row-selected' : '')}
+            columns={
+              [
+                {
+                  title: 'Версия',
+                  dataIndex: 'version',
+                  width: 90,
+                  render: (v: number, record: TestListItem) => (
+                    <Space>
+                      <Tag color={record.id === test.id ? 'blue' : 'default'}>v{v}</Tag>
+                      {record.id === test.id && <Text type="secondary">(текущая)</Text>}
+                    </Space>
+                  ),
+                },
+                {
+                  title: 'Дата',
+                  dataIndex: 'created_at',
+                  width: 120,
+                  render: (d: string) => new Date(d).toLocaleDateString('ru-RU'),
+                },
+                {
+                  title: 'Вопросов',
+                  dataIndex: 'questions_count',
+                  width: 100,
+                  align: 'center' as const,
+                },
+                {
+                  title: 'Порог зачёта',
+                  dataIndex: 'passing_score',
+                  width: 120,
+                  align: 'center' as const,
+                  render: (s: number) => `${s}%`,
+                },
+                {
+                  title: '',
+                  key: 'action',
+                  width: 100,
+                  render: (_: unknown, record: TestListItem) =>
+                    record.id !== test.id ? (
+                      <Button size="small" onClick={() => navigate(`/tests/${record.id}/edit`)}>
+                        Открыть
+                      </Button>
+                    ) : null,
+                },
+              ] as ColumnsType<TestListItem>
+            }
+          />
+        </>
+      )}
+
       <Title level={2}>{test.title}</Title>
 
       {test.description && (
@@ -182,65 +241,6 @@ export default function TestEdit() {
         </Card>
       ))}
 
-      {versions.length > 1 && (
-        <>
-          <Title level={3} style={{ marginTop: 32 }}>
-            История версий
-          </Title>
-          <Table<TestListItem>
-            dataSource={versions}
-            rowKey="id"
-            size="small"
-            pagination={false}
-            rowClassName={(record) => (record.id === test.id ? 'ant-table-row-selected' : '')}
-            columns={
-              [
-                {
-                  title: 'Версия',
-                  dataIndex: 'version',
-                  width: 90,
-                  render: (v: number, record: TestListItem) => (
-                    <Space>
-                      <Tag color={record.id === test.id ? 'blue' : 'default'}>v{v}</Tag>
-                      {record.id === test.id && <Text type="secondary">(текущая)</Text>}
-                    </Space>
-                  ),
-                },
-                {
-                  title: 'Дата',
-                  dataIndex: 'created_at',
-                  width: 120,
-                  render: (d: string) => new Date(d).toLocaleDateString('ru-RU'),
-                },
-                {
-                  title: 'Вопросов',
-                  dataIndex: 'questions_count',
-                  width: 100,
-                  align: 'center' as const,
-                },
-                {
-                  title: 'Порог зачёта',
-                  dataIndex: 'passing_score',
-                  width: 120,
-                  align: 'center' as const,
-                  render: (s: number) => `${s}%`,
-                },
-                {
-                  title: '',
-                  key: 'action',
-                  width: 100,
-                  render: (_: unknown, record: TestListItem) =>
-                    record.id !== test.id ? (
-                      <Button size="small" onClick={() => navigate(`/tests/${record.id}/edit`)}>
-                        Открыть
-                      </Button>
-                    ) : null,
-                },
-              ] as ColumnsType<TestListItem>
-            }
-          />
-        </>
-      )}
     </div>
   )
 }