Make all modules feature-gated to improve compile time

crates/lb/Cargo.toml

@@ -7,12 +7,15 @@ authors.workspace = true
 homepage.workspace = true
 repository.workspace = true
 
+[features]
+task = []
+fs = ["tokio/fs"]
+net = ["tokio/net"]
+
 [dependencies]
-camino = "1.1.10"
 derive_more = { version = "2.0.1", features = ["full"] }
 luaffi = { path = "../luaffi" }
 luajit = { path = "../luajit" }
 sysexits = "0.9.0"
 thiserror = "2.0.12"
-tokio = { version = "1.45.1", features = ["rt", "time", "fs", "net", "process", "signal", "tracing"] }
-tracing = "0.1.41"
+tokio = { version = "1.45.1", features = ["rt"] }

crates/lb/src/lib.rs

@@ -1,5 +1,10 @@
-pub mod chan;
-pub mod fs;
-pub mod net;
 pub mod runtime;
+
+#[cfg(feature = "task")]
+pub mod chan;
+#[cfg(feature = "fs")]
+pub mod fs;
+#[cfg(feature = "net")]
+pub mod net;
+#[cfg(feature = "task")]
 pub mod task;