fix: harden node upgrades and prepare 1.9.0-alpha

scripts/tests/test_sync_whats_new.py

@@ -0,0 +1,37 @@
+import contextlib
+import importlib.util
+import io
+from pathlib import Path
+import tempfile
+import unittest
+from unittest.mock import patch
+
+spec = importlib.util.spec_from_file_location('release_notes', Path(__file__).resolve().parents[1] / 'sync-whats-new.py')
+notes = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(notes)
+
+
+class ReleaseNotesTests(unittest.TestCase):
+    def test_check_rejects_stale_content_without_modifying_the_modal(self):
+        with tempfile.TemporaryDirectory() as tmp:
+            root = Path(tmp)
+            changelog = root / 'CHANGELOG.md'
+            modal = root / 'notes.vue'
+            changelog.write_text('## v1.9.0 (2026-10-05)\n\n- Keep uploads on their original screen.\n')
+            stale = notes.render_block({'ver': 'v1.9.0', 'date': 'October 2, 2026', 'bullets': ['Keep uploads across screens.']})
+            modal.write_text('<template>\n' + stale + '</template>\n')
+            with patch.object(notes, 'CHANGELOG', changelog), patch.object(notes, 'MODAL', modal):
+                original = modal.read_bytes()
+                with patch('sys.argv', ['sync-whats-new.py', '--check']), contextlib.redirect_stderr(io.StringIO()):
+                    self.assertEqual(notes.main(), 1)
+                self.assertEqual(modal.read_bytes(), original)
+                with patch('sys.argv', ['sync-whats-new.py']), contextlib.redirect_stdout(io.StringIO()):
+                    self.assertEqual(notes.main(), 0)
+                self.assertIn('original screen', modal.read_text())
+                self.assertIn('October 5, 2026', modal.read_text())
+                with patch('sys.argv', ['sync-whats-new.py', '--check']), contextlib.redirect_stdout(io.StringIO()):
+                    self.assertEqual(notes.main(), 0)
+
+
+if __name__ == '__main__':
+    unittest.main()