feat: Import all meta plugins to ensure registration

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/lib.rs

@@ -15,5 +15,18 @@ pub use args::Args;
 // Re-export PIPESIZE constant
 pub use common::PIPESIZE;
 
+// Import all filter plugins to ensure they register themselves
+#[allow(unused_imports)]
+use filter_plugin::{
+    head, tail, skip, grep, strip_ansi
+};
+
+// Import all meta plugins to ensure they register themselves
+#[allow(unused_imports)]
+use meta_plugin::{
+    magic, cwd, text, user, shell, shell_pid, keep_pid, digest, 
+    read_time, read_rate, hostname, exec, env
+};
+
 #[cfg(test)]
 mod tests;