feat(phase4): complete zclaw-skills, zclaw-hands, zclaw-channels, zclaw-protocols 模块实现

crates/zclaw-channels/src/lib.rs

@@ -0,0 +1,11 @@
+//! ZCLAW Channels
+//!
+//! External platform adapters for unified message handling.
+
+mod channel;
+mod bridge;
+mod adapters;
+
+pub use channel::*;
+pub use bridge::*;
+pub use adapters::*;