feat: add levee work records

backend/apps/workrecords/migrations/0002_workrecord_levee_work_session.py

@@ -0,0 +1,41 @@
+# Generated by Django 5.2 on 2026-04-04
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('levee_work', '0001_initial'),
+        ('workrecords', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='workrecord',
+            name='work_type',
+            field=models.CharField(
+                choices=[
+                    ('fertilizer_delivery', '肥料運搬'),
+                    ('fertilizer_spreading', '肥料散布'),
+                    ('levee_work', '畔塗'),
+                ],
+                max_length=40,
+                verbose_name='作業種別',
+            ),
+        ),
+        migrations.AddField(
+            model_name='workrecord',
+            name='levee_work_session',
+            field=models.OneToOneField(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name='work_record',
+                to='levee_work.leveeworksession',
+                verbose_name='畔塗記録',
+            ),
+        ),
+    ]
+