refactor(actor): implement Raft consensus algorithm for cluster leader election

- Add voting mechanism with term tracking and vote persistence
- Implement election triggering logic with majority vote counting
- Add primary/replica role transition handling with state management
- Integrate health check failure detection for automatic elections
- Refactor actor messaging system for distributed coordination
- Update repository registration to query cluster for existing primary
- Add broadcast mechanism for role change notifications
- Implement proper term comparison and duplicate request filtering
- Upgrade dependency versions including tokio-util for async utilities
- Optimize code formatting and line wrapping for improved readability
- Remove redundant blank lines and improve code structure consistency
- Enhance error logging and trace information for debugging purposes

diff/raw.rs

@@ -18,7 +18,9 @@ impl GitBare {
 
         // Apply options if present
         if let Some(ref opts) = request.options {
-            if opts.recursive { args.push("--recursive".to_string()); }
+            if opts.recursive {
+                args.push("--recursive".to_string());
+            }
             if opts.include_binary {
                 args.push("--binary".to_string());
             } else {