feat: Make 'server' feature optional and add compile-time check

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

src/lib.rs

@@ -8,8 +8,8 @@ pub mod compression_engine;
 pub mod config;
 pub mod services;
 pub mod db;
+#[cfg(feature = "server")]
 pub mod meta_plugin;
-pub mod filter_plugin;
 pub mod modes;
 pub mod plugins;
 pub mod args;