feat: add Go1 training and MuJoCo deployment

deploy/deploy_mujoco/deploy_go2.py

@@ -12,6 +12,8 @@ Notes:
     This script currently uses CONFIG_NAME = "go2.yaml" and does not expose CLI flags.
 """
 
+from __future__ import annotations
+
 import time
 from pathlib import Path
 
@@ -95,9 +97,9 @@ def build_single_obs(features: dict[str, np.ndarray], layout: list[tuple[str, in
     return np.concatenate([features[name] for name, _ in layout], axis=0).astype(np.float32, copy=False)
 
 
-def main() -> None:
+def main(config_name: str = CONFIG_NAME) -> None:
     """Run MuJoCo simulation and deploy the CTS policy in closed-loop control."""
-    cfg = load_config(CONFIG_NAME)
+    cfg = load_config(config_name)
     layout = [
         ("ang_vel", 3),
         ("gravity", 3),