Add TUI publish feature and fix web UI dropdown

- Add Publish button to TUI for publishing tools directly from the
  graphical interface without using the command line
- Fix user dropdown menu in web UI header that stayed open after
  clicking (replaced Alpine.js directives with vanilla JS)
- Update test to use correct registry URL (cmdforge.brrd.tech)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

tests/test_registry_integration.py

@@ -186,7 +186,7 @@ class TestConfig:
 
     def test_default_config(self):
         config = Config()
-        assert config.registry.url == "https://gitea.brrd.tech/api/v1"
+        assert config.registry.url == "https://cmdforge.brrd.tech/api/v1"
         assert config.auto_fetch_from_registry is True
         assert config.client_id.startswith("anon_")