feat(cluster): implement Raft consensus with tracing and HTTP support

- Add Raft log and snapshot mechanisms for distributed consensus
- Integrate hyper HTTP server and client libraries for network communication
- Enhance tracing capabilities with structured logging and spans
- Add dependency tracking for new consensus-related crates
- Implement snapshot storage with serialization and persistence
- Add remote repository synchronization via Raft commands
- Include comprehensive tracing instrumentation across services

actor/server.rs

@@ -2,14 +2,16 @@ use crate::actor::handler::start_node_actor;
 use crate::actor::message::GitNodeMessage;
 use crate::server::GitksService;
 use ractor::ActorRef;
+use std::path::PathBuf;
 
 pub async fn init_actor_cluster(
     service: GitksService,
     storage_name: String,
     grpc_addr: String,
+    data_dir: PathBuf,
 ) -> Result<(ActorRef<GitNodeMessage>, tokio::task::JoinHandle<()>), ractor::SpawnErr> {
     tracing::info!(storage_name = %storage_name, grpc_addr = %grpc_addr, "initializing actor cluster");
-    let result = start_node_actor(service, storage_name.clone(), grpc_addr).await?;
+    let result = start_node_actor(service, storage_name.clone(), grpc_addr, data_dir).await?;
     tracing::info!(storage_name = %storage_name, "actor cluster ready");
     Ok(result)
 }