fixes

Add dance moves, golden song performance, and performance picker UI

added marionette type features

fixed the startup issue and changed the description from conversation to dance tutor app

first commit for the dance host

Sync from GitHub via huggingface-sync-action

Ruff

ruff + tests

Handle abrupt websocket closures with retry and safe shutdown

Rename demo to app

Fix mypy errors

Merge origin/develop into 64-fix-the-format-timestamp-function

Enhance typing in tests

ruff

Fixed format_timestamp() function

Add mypy workflow and solve mypy errors

Apply Ruff

Ruff

Minor, better test comments

First iteration of pytests, targetting the headwobbler race condition