feat(*): Add exported Linux binary training path for faster parallel instances

training/train.py

@@ -32,6 +32,13 @@ def parse_args():
         default=os.environ.get("GODOT_BIN", DEFAULT_GODOT_MACOS),
         help="Path to the Godot binary (or set GODOT_BIN)",
     )
+    parser.add_argument(
+        "--exported-binary",
+        default=None,
+        help="Path to a pre-built game executable (see export_linux.sh) instead of running the "
+        "project from source — skips per-instance script/resource import for faster parallel "
+        "startup. Overrides --godot_bin when set.",
+    )
     parser.add_argument("--experiment", default="default", help="Run name for logs/checkpoints")
     parser.add_argument("--timesteps", type=int, default=200_000)
     parser.add_argument("--n-parallel", type=int, default=2, help="Parallel Godot instances (2 agents each)")
@@ -146,8 +153,10 @@ def main():
 
         wandb.init(project="cosmic-clash-rl", name=args.experiment, sync_tensorboard=True)
 
+    exported_binary = args.exported_binary or None
     env = CosmicClashVecEnv(
-        godot_bin=args.godot_bin,
+        godot_bin=exported_binary or args.godot_bin,
+        exported=exported_binary is not None,
         n_parallel=args.n_parallel,
         seed=args.seed,
         port=args.port,