refactor(bare): enhance security and performance optimizations

- Remove unnecessary sorting in advertise_refs for deterministic output
- Add path traversal detection and validation in bare_dir construction
- Implement symlink resolution checks to prevent security vulnerabilities
- Refactor cache system with CRC validation and improved metrics
- Integrate repo-specific cache invalidation using indexed keys
- Add comprehensive unit tests for commit operations and diff functionality
- Move configuration constants to centralized config module
- Optimize string operations in disk cache random value generation
- Enhance license detection algorithm with cleaner matching logic
- Streamline argument processing in various git operations
- Update dependencies including crc32fast and flate2 for performance
- Add signal handling capability to tokio runtime configuration

pack/list_packfiles.rs

@@ -30,7 +30,6 @@ impl GitBare {
                     .filter(|hex| !hex.is_empty())
                     .map(|hex| self.oid_to_pb(hex));
 
-                // Count objects
                 let mut object_count = 0u64;
                 if let Some(hash_str) = base_name.strip_prefix("pack-") {
                     let idx_path = pack_dir.join(format!("pack-{hash_str}.idx"));