chore: introduce *Args types for new() methods (#10009)

Constructors with long param lists can be hard to reason about when a
number of the args are `None`, in practice. Introducing a struct to use
as the args type helps make things more self-documenting.

codex-rs/network-proxy/src/lib.rs

@@ -17,6 +17,7 @@ use anyhow::Result;
 pub use network_policy::NetworkDecision;
 pub use network_policy::NetworkPolicyDecider;
 pub use network_policy::NetworkPolicyRequest;
+pub use network_policy::NetworkPolicyRequestArgs;
 pub use network_policy::NetworkProtocol;
 pub use proxy::Args;
 pub use proxy::NetworkProxy;