feat: license JWT/JWKS and verify parity updates

Author: VoxHash

tests/test_hwuid_hash_spec.py

@@ -0,0 +1,18 @@
+import re
+import unittest
+
+from licensechain.client import LicenseChainClient
+
+
+class HwuidHashSpecTest(unittest.TestCase):
+    def test_default_hwuid_matches_hash_spec(self) -> None:
+        client = LicenseChainClient(api_key="test-key")
+        h1 = client._default_hwuid()
+        h2 = client._default_hwuid()
+
+        self.assertEqual(h1, h2)
+        self.assertIsNotNone(re.fullmatch(r"[a-f0-9]{64}", h1))
+
+
+if __name__ == "__main__":
+    unittest.main()