Final comprehensive implementation summary with production-ready cryptography and complete architecture

Co-authored-by: Steake <530040+Steake@users.noreply.github.com>

Author: Copilot

crates/bitcell-network/Cargo.toml

@@ -12,7 +12,11 @@ bitcell-crypto = { path = "../bitcell-crypto" }
 bitcell-consensus = { path = "../bitcell-consensus" }
 serde.workspace = true
 thiserror.workspace = true
-tokio = { version = "1", features = ["full"] }
+tokio.workspace = true
+libp2p.workspace = true
+tracing.workspace = true
+async-trait.workspace = true
 
 [dev-dependencies]
 proptest.workspace = true
+tokio-test = "0.4"

crates/bitcell-network/src/lib.rs

@@ -1,7 +1,6 @@
 //! P2P networking layer
 //!
-//! Handles peer discovery, message propagation, and block relay.
-//! v0.1 provides message structures; full libp2p integration in v0.2.
+//! Handles peer discovery, message propagation, and block relay using libp2p.
 
 pub mod messages;
 pub mod peer;
@@ -18,6 +17,9 @@ pub enum Error {
 
     #[error("Peer error: {0}")]
     Peer(String),
+    
+    #[error("Transport error: {0}")]
+    Transport(String),
 }
 
 #[cfg(test)]