feat(governance): automate identity and comparison coverage

tests/test_cache_manager.py

@@ -384,6 +384,9 @@ def test_sales_analysis_preview_context_cache_avoids_reloading_options(tmp_path,
     for _ in range(2):
         with app.test_request_context("/sales_analysis"):
             session["logged_in"] = True
+            session["role"] = "admin"
+            session["username"] = "legacy-admin"
+            session["auth_source"] = "legacy_shared_password"
             response = sales_routes.sales_analysis()
             assert response["no_filter"] is True
             assert response["all_categories"] == ["美妝"]