feat(收尾): 附录A#10联系人CRUD补齐(serializer可写FK+前端dialog+test_contact_crud) / D2真机重跑全绿 / 后端512+PG4

backend/tests/test_partner.py

@@ -89,3 +89,30 @@ def test_anon_cannot_access(anon, tenant):
     anon.credentials(HTTP_X_TENANT_ID=tenant.code)
     resp = anon.get("/api/v1/partner/customers/")
     assert resp.status_code == 401
+
+
+@pytest.mark.django_db
+def test_contact_crud(auth_client, tenant):
+    # 新建（无挂靠）
+    resp = auth_client.post(
+        "/api/v1/partner/contacts/",
+        {"name": "张三", "phone": "13800138000", "title": "采购"},
+        format="json",
+    )
+    assert resp.status_code == 201, resp.content
+    cid = resp.json()["id"]
+    # 编辑
+    resp = auth_client.patch(
+        f"/api/v1/partner/contacts/{cid}/",
+        {"title": "采购经理"},
+        format="json",
+    )
+    assert resp.status_code == 200, resp.content
+    assert resp.json()["title"] == "采购经理"
+    # 列表可见
+    resp = auth_client.get("/api/v1/partner/contacts/")
+    assert resp.status_code == 200
+    assert resp.json()["count"] == 1
+    # 删除
+    resp = auth_client.delete(f"/api/v1/partner/contacts/{cid}/")
+    assert resp.status_code in (200, 202, 204), resp.content