fix: resolve compilation errors and warnings

Co-authored-by: aider (openai/andrew/openrouter/sonoma-sky-alpha) <aider@aider.chat>

src/lib.rs

@@ -50,10 +50,8 @@ use filter_plugin::{
     head, tail, skip, grep, strip_ansi
 };
 
-// Import all meta plugins to ensure they register themselves
-#[allow(unused_imports)]
 use crate::meta_plugin::{
-    cwd, text, user, shell, shell_pid, keep_pid, digest, 
+    cwd, user, shell, shell_pid, keep_pid, digest, 
     read_time, read_rate, hostname, exec, env
 };