Rename ArenaAllocator -> Arena

src/commit_request.hpp

@@ -5,7 +5,7 @@
 #include <string_view>
 #include <vector>
 
-#include "arena_allocator.hpp"
+#include "arena.hpp"
 
 /**
  * @brief Represents a precondition for optimistic concurrency control.
@@ -63,7 +63,7 @@ struct Operation {
  */
 struct CommitRequest {
 private:
-  ArenaAllocator arena_;
+  Arena arena_;
   std::optional<std::string_view> request_id_;
   std::string_view leader_id_;
   int64_t read_version_ = 0;
@@ -155,7 +155,7 @@ public:
    *
    * @return Reference to the arena allocator
    */
-  const ArenaAllocator &arena() const { return arena_; }
+  const Arena &arena() const { return arena_; }
 
   /**
    * @brief Get access to the underlying arena allocator for allocation.
@@ -166,7 +166,7 @@ public:
    *
    * @return Reference to the arena allocator
    */
-  ArenaAllocator &arena() { return arena_; }
+  Arena &arena() { return arena_; }
 
   /**
    * @brief Reset the commit request for reuse.