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

commit/count_commits.rs

@@ -5,7 +5,11 @@ use crate::pb::*;
 impl GitBare {
     /// Count commits in a revision range or path.
     pub fn count_commits(&self, request: CountCommitsRequest) -> GitResult<CountCommitsResponse> {
-        let revision = if request.revision.is_empty() { "HEAD" } else { &request.revision };
+        let revision = if request.revision.is_empty() {
+            "HEAD"
+        } else {
+            &request.revision
+        };
         crate::sanitize::validate_revision(revision)?;
 
         let mut args = vec![
@@ -48,7 +52,10 @@ impl GitBare {
     }
 
     /// Count diverging commits between two branches (left vs right).
-    pub fn count_diverging_commits(&self, request: CountDivergingCommitsRequest) -> GitResult<CountDivergingCommitsResponse> {
+    pub fn count_diverging_commits(
+        &self,
+        request: CountDivergingCommitsRequest,
+    ) -> GitResult<CountDivergingCommitsResponse> {
         crate::sanitize::validate_revision(&request.left)?;
         crate::sanitize::validate_revision(&request.right)?;
 
@@ -75,6 +82,9 @@ impl GitBare {
         let left_count = parts.first().and_then(|s| s.parse().ok()).unwrap_or(0);
         let right_count = parts.get(1).and_then(|s| s.parse().ok()).unwrap_or(0);
 
-        Ok(CountDivergingCommitsResponse { left_count, right_count })
+        Ok(CountDivergingCommitsResponse {
+            left_count,
+            right_count,
+        })
     }
 }