Update docstrings

src/commit_request.hpp

@@ -49,7 +49,7 @@ class CommitRequest {
   };
 
   /**
-   * @brief Represents an operation in a commit request.
+   * @brief Internal state for parsing an operation during JSON processing.
    */
   struct OperationParseState {
     Operation::Type type;
@@ -142,8 +142,7 @@ private:
 
 public:
   /**
-   * @brief Construct a new CommitRequest with the given initial arena size.
-   * @param arena_size Initial size for the arena allocator
+   * @brief Construct a new CommitRequest with default arena size.
    */
   explicit CommitRequest()
       : arena_(), preconditions_(ArenaStlAllocator<Precondition>(&arena_)),
@@ -198,7 +197,8 @@ public:
 
   /**
    * @brief Parse a JSON string into a CommitRequest object (one-shot parsing).
-   * @param json_str The JSON string to parse
+   * @param data Pointer to the JSON data buffer
+   * @param len Length of the data in bytes
    * @return true if parsing succeeded, false otherwise
    */
   bool parse_json(char *data, size_t len);