Updated the get_remaining method in CommandArgs to default start_index to 0 instead of 1, ensuring all arguments are included by default when retrieving remaining parameters.
Refactored permission checks in built-in plugins to use the new @require_permission decorator, improving code clarity and consistency. Enhanced permission_decorators to better extract ChatStream and support PlusCommand. Updated PermissionCommand to use permission decorators for all subcommands, improved user mention parsing, and improved feedback messages. Registered a new permission node for sending feeds in MaiZone plugin and updated command registration to use PlusCommand info.
Introduces the PlusCommand system for simplified command development, including new base classes, argument parsing utilities, and registration logic. Updates the plugin system, component registry, and bot message handling to support PlusCommand components alongside traditional commands. Adds documentation and configuration for command prefixes, and provides a developer guide for the new system.
