feat: agent api complete

shipment/migrations/0021_geo_coordinates.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.8 on 2026-04-14 11:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('shipment', '0020_salesitem_merge_remark'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='shipment',
+            name='geo_coordinates',
+            field=models.JSONField(blank=True, help_text='由 Geo 系统返回的坐标信息，结构由调用方决定，后端不作校验', null=True, verbose_name='地理坐标'),
+        ),
+    ]