Restaged repo, allocator and runtime implemented, ioring-backed async fs/net/channel/timer primitives

lib/runtime/src/op/mod.rs

@@ -0,0 +1,8 @@
+//! Internal and public operation-layer building blocks.
+//!
+//! The operation layer defines logical work units that bridge user-facing APIs and platform
+//! backends without leaking platform details upward.
+
+pub(crate) mod completion;
+pub mod fs;
+pub mod net;