签入版本

tests/contract/test_permission_snapshot.py

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+"""权限字符串契约快照：守护全部 RBAC 权限节点不变。"""
+import pytest
+
+from tests.contract.helpers import collect_permissions, compare_snapshot
+
+pytestmark = pytest.mark.contract
+
+
+def test_permissions_snapshot():
+    compare_snapshot("permissions.json", collect_permissions())