增加批量增加用例、测试项、设计需求功能

apps/project/migrations/0018_testdemandcontent_subdescription.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0 on 2025-12-15 09:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('project', '0017_alter_testdemandcontentstep_id'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='testdemandcontent',
+            name='subDescription',
+            field=models.CharField(blank=True, max_length=1024, null=True, verbose_name='测试子项一句话描述'),
+        ),
+    ]