Add way to run commands in the invoke env

.dda/extend/commands/run/i/__init__.py

@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import click
+from dda.cli.base import dynamic_command, ensure_features_installed, pass_app
+
+if TYPE_CHECKING:
+    from dda.cli.application import Application
+
+
+@dynamic_command(
+    short_help="Run command in the legacy invoke virtual env",
+    context_settings={"help_option_names": [], "ignore_unknown_options": True},
+)
+@click.argument("args", nargs=-1, required=True)
+@pass_app
+def cmd(app: Application, *, args: tuple[str, ...]) -> None:
+    """
+    Run command in the legacy invoke virtual env.
+    """
+    venv_path = app.config.storage.join("venvs", "legacy").data
+    with app.tools.uv.virtual_env(venv_path) as venv:
+        ensure_features_installed(["legacy-tasks"], app=app, prefix=str(venv.path))
+        app.subprocess.attach(list(args))