Function update_devserver_config

server/routers/devserver.py:380–436

Update the dev server configuration for a project. Set custom_command to a string to override the auto-detected command. Set custom_command to null/None to clear the custom command and revert to using the auto-detected command. Args: project_name: Name of the project

(
    project_name: str,
    update: DevServerConfigUpdate,
)

@router.patch("/config", response_model=DevServerConfigResponse)
async def update_devserver_config(
    project_name: str,
    update: DevServerConfigUpdate,
) -> DevServerConfigResponse:
    """
    Update the dev server configuration for a project.

    Set custom_command to a string to override the auto-detected command.
    Set custom_command to null/None to clear the custom command and revert
    to using the auto-detected command.

    Args:
        project_name: Name of the project
        update: Configuration update containing the new custom_command

    Returns:
        Updated configuration details for the project's dev server
    """
    project_dir = get_project_dir(project_name)

    # Update the custom command
    if update.custom_command is None:
        # Clear the custom command
        try:
            clear_dev_command(project_dir)
        except ValueError as e:
            raise HTTPException(status_code=400, detail=str(e))
    else:
        # Strict structural validation first (most specific errors)
        try:
            validate_custom_command_strict(update.custom_command)
        except ValueError as e:
            raise HTTPException(status_code=400, detail=str(e))

        # Then validate against security allowlist
        validate_dev_command(update.custom_command, project_dir)

        # Set the custom command
        try:
            set_dev_command(project_dir, update.custom_command)
        except ValueError as e:
            raise HTTPException(status_code=400, detail=str(e))
        except OSError as e:
            raise HTTPException(
                status_code=500,
                detail=f"Failed to save configuration: {e}"
            )

    # Return updated config
    config = get_project_config(project_dir)

    return DevServerConfigResponse(
        detected_type=config["detected_type"],
        detected_command=config["detected_command"],
        custom_command=config["custom_command"],
        effective_command=config["effective_command"],
    )