Expand hwutils, udev-shim, and redbear-sessiond system recipes

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/system/udev-shim/source/src/main.rs

@@ -2,7 +2,7 @@ mod device_db;
 mod scheme;
 
 use std::env;
-use std::os::fd::{AsRawFd, FromRawFd, RawFd};
+use std::os::fd::RawFd;
 
 use log::{error, info, LevelFilter, Metadata, Record};
 use redox_scheme::{