Merge pull request #158 from Indelwin/feature/docker-volumes

feat: add docker_volumes config for custom volume mounts

cli.py

@@ -286,6 +286,7 @@ def load_cli_config() -> Dict[str, Any]:
         "container_memory": "TERMINAL_CONTAINER_MEMORY",
         "container_disk": "TERMINAL_CONTAINER_DISK",
         "container_persistent": "TERMINAL_CONTAINER_PERSISTENT",
+        "docker_volumes": "TERMINAL_DOCKER_VOLUMES",
         # Sudo support (works with all backends)
         "sudo_password": "SUDO_PASSWORD",
     }
@@ -298,7 +299,12 @@ def load_cli_config() -> Dict[str, Any]:
     for config_key, env_var in env_mappings.items():
         if config_key in terminal_config:
             if _file_has_terminal_config or env_var not in os.environ:
-                os.environ[env_var] = str(terminal_config[config_key])
+                val = terminal_config[config_key]
+                if isinstance(val, list):
+                    import json
+                    os.environ[env_var] = json.dumps(val)
+                else:
+                    os.environ[env_var] = str(val)
     
     # Apply browser config to environment variables
     browser_config = defaults.get("browser", {})