replace TODOs with documentation

crates/arti-client/src/client.rs

@@ -121,8 +121,7 @@ enum StreamIsolationPreference {
     /// No additional isolation
     #[educe(Default)]
     None,
-    /// Id of the isolation group the connection should be part of
-    /// TODO
+    /// Isolation parameter to use for connections
     Explicit(Box<dyn Isolation>),
     /// Isolate every connection!
     EveryStream,

crates/tor-circmgr/src/lib.rs

@@ -72,7 +72,7 @@ mod usage;
 
 pub use err::Error;
 pub use usage::{IsolationToken, StreamIsolation, StreamIsolationBuilder, TargetPort, TargetPorts};
-/// TODO
+/// Types related to stream isolation
 pub mod isolation {
     pub use crate::usage::{Isolation, IsolationHelper, IsolationToken};
 }