fix(sac): clarify torch.compile status

src/lerobot/policies/sac/configuration_sac.py

@@ -194,6 +194,8 @@ class SACConfig(PreTrainedConfig):
     concurrency: ConcurrencyConfig = field(default_factory=ConcurrencyConfig)
 
     # Optimizations
+    # torch.compile is currently disabled by default due to known issues with the SAC
+    # critic ensemble and shared encoder.
     use_torch_compile: bool = False
 
     def __post_init__(self):

src/lerobot/rl/algorithms/sac/sac_algorithm.py

@@ -114,7 +114,7 @@ class SACAlgorithm(RLAlgorithm):
             **asdict(self.config.discrete_critic_network_kwargs),
         )
 
-        # TODO: (maractingi, azouitine) Compile the discrete critic
+        # TODO(Khalil): Compile the discrete critic
         discrete_critic_target.load_state_dict(discrete_critic.state_dict())
         return discrete_critic, discrete_critic_target