feat(server): add tracing spans and caching to archive and blame services

- Add tracing spans with repo labels for archive and blame operations
- Implement caching for archive list entries when using OID selectors
- Implement caching for blame operations when using OID selectors
- Add detailed

init.rs

@@ -3,6 +3,11 @@ use crate::error::{GitError, GitResult};
 
 impl GitBare {
     pub fn init_repository(&self, bare: bool) -> GitResult<()> {
+        tracing::info!(
+            path = %self.bare_dir.display(),
+            bare = bare,
+            "initializing repository"
+        );
         let mut args = vec!["init".to_string()];
         if bare {
             args.push("--bare".into());