Add enterprise appliance experience Phase 1 foundation

tests/backend/test_license_parity.py

@@ -0,0 +1,17 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[2]
+
+
+def test_canonical_and_deployed_license_helpers_are_identical():
+    canonical = ROOT / "scripts/cezen_license.py"
+    deployed = ROOT / "ansible/roles/cezen-backend/files/cezen_license.py"
+    assert canonical.read_bytes() == deployed.read_bytes()
+
+
+def test_customer_labels_preserve_compatibility_slugs():
+    source = (ROOT / "scripts/cezen_license.py").read_text()
+    for slug in ("starter", "basic", "pro", "max"):
+        assert slug in source
+    assert 'WORKSTATION_TIER = "workstation"' in source