feat: add exam score management

apps/admin/src/pages/Exams/ExamFormModal.tsx

@@ -0,0 +1,59 @@
+import React from 'react';
+import { DatePicker, Form, Input, Modal, Select } from 'antd';
+import type { FormInstance } from 'antd';
+import type { ClassOption, ExamFormValues } from './types';
+import { EXAM_TYPE_OPTIONS } from './types';
+
+interface Props {
+  open: boolean;
+  editing: boolean;
+  saving: boolean;
+  form: FormInstance<ExamFormValues>;
+  classes: ClassOption[];
+  onCancel: () => void;
+  onSubmit: () => void;
+}
+
+const ExamFormModal: React.FC<Props> = ({
+  open,
+  editing,
+  saving,
+  form,
+  classes,
+  onCancel,
+  onSubmit,
+}) => (
+  <Modal
+    title={editing ? '编辑考试' : '创建考试'}
+    open={open}
+    confirmLoading={saving}
+    onCancel={onCancel}
+    onOk={onSubmit}
+    width={560}
+  >
+    <Form form={form} layout="vertical">
+      <Form.Item name="examType" label="考试类型" rules={[{ required: true, message: '请选择考试类型' }]}>
+        <Select options={EXAM_TYPE_OPTIONS} placeholder="请选择" />
+      </Form.Item>
+      <Form.Item name="examName" label="考试名称" rules={[{ required: true, message: '请输入考试名称' }]}>
+        <Input placeholder="如：2026 年 7 月月考" />
+      </Form.Item>
+      <Form.Item name="subject" label="科目" rules={[{ required: true, message: '请输入科目' }]}>
+        <Input placeholder="如：数学" />
+      </Form.Item>
+      <Form.Item name="examDate" label="考试日期" rules={[{ required: true, message: '请选择考试日期' }]}>
+        <DatePicker style={{ width: '100%' }} />
+      </Form.Item>
+      <Form.Item name="classId" label="考试班级" rules={[{ required: true, message: '请选择考试班级' }]}>
+        <Select
+          showSearch
+          optionFilterProp="label"
+          placeholder="选择在读班级"
+          options={classes.filter((item) => !item.isArchived).map((item) => ({ value: item.id, label: item.name }))}
+        />
+      </Form.Item>
+    </Form>
+  </Modal>
+);
+
+export default ExamFormModal;