Add lang/python module with uv/ruff/pylsp, ANSI colors, and LSP auto-install

- Add lang/python.el: project detection, ruff format-on-save, C-c C-v -> ruff check,
  optional pylsp with auto-install via uv (asks once per session)
- Fix pylsp resolution to check .venv, uv tool path, and PATH
- Disable legacy pyls client to avoid spurious warnings
- Add ANSI color support in compilation buffers (editor.el)
- Remove python-mode/python-ts-mode from global lsp-deferred hooks (lsp.el)
- Add ruff, ty, uv packages to desktop group_vars

ansible/inventory/group_vars/desktop.yml

@@ -115,8 +115,11 @@ profile_packages:
   - ristretto
   - rsync
   - shotwell
+  - ruff
   - terminus-font
   - texlive
+  - ty
+  - uv
   - Thunar
   - thunar-archive-plugin
   - thunar-volman