refactor(server): replace custom remote clients with macro-based implementation

- Replaced manual remote client functions with remote_client! macro for archive, blame, branch, commit, and diff services
- Simplified remote client creation logic using declarative macro approach
- Maintained same functionality while reducing code duplication across services

security(bare): enhance path traversal protection with comprehensive validation

- Added early relative_path validation to prevent path traversal attacks
- Implemented unified path validation to avoid TOCTOU race conditions
- Enhanced canonicalization checks for both existing and non-existent paths
- Added detailed logging for path traversal detection attempts

feat(cache): migrate from CLruCache to Moka with TTL and invalidation support

- Replaced clru dependency with moka for improved caching capabilities
- Added 300-second time-to-live for cache entries
- Implemented repository-specific cache invalidation mechanism
- Enhanced cache operations with thread-safe async support

refactor(commit): improve security validation for commit operations

- Added ref name validation to prevent command injection in cherry_pick_commit
- Implemented revision validation for commit selectors
- Added comprehensive input validation for create_commit parameters
- Enhanced file path validation to prevent traversal

branch/rename_branch.rs

@@ -6,6 +6,8 @@ use crate::pb::{Branch, GetBranchRequest, RenameBranchRequest};
 
 impl GitBare {
     pub fn rename_branch(&self, request: RenameBranchRequest) -> GitResult<Branch> {
+        crate::sanitize::validate_ref_name(&request.old_name)?;
+        crate::sanitize::validate_ref_name(&request.new_name)?;
         let output = Command::new("git")
             .arg("--git-dir")
             .arg(&self.bare_dir)