feat: Implement Iroh-based peer networking, join protocol, and bidirectional store synchronization.

Cargo.toml

@@ -23,7 +23,7 @@ lattice-cli = { path = "lattice-cli" }
 rustyline = "17"
 
 # Networking (Iroh)
-iroh = "0.95"
+iroh = { version = "0.95", features = ["discovery-local-network"] }
 iroh-gossip = "0.95"
 
 # Cryptography
@@ -37,6 +37,8 @@ prost-build = "0.13"
 
 # Async runtime
 tokio = { version = "1", features = ["full"] }
+tokio-util = { version = "0.7", features = ["codec"] }
+futures-util = "0.3"
 
 # Utilities
 thiserror = "2"
@@ -47,6 +49,7 @@ blake3 = "1"
 hex = "0.4"
 redb = "2"
 uuid = { version = "1", features = ["v4"] }
+chrono = "0.4"
 
 # Testing
 tokio-test = "0.4"