Many style updates around asserts, aborts, and errors

src/connection.hpp

@@ -71,15 +71,15 @@ struct Connection {
    * I/O.
    *
    * @param s The data to send (string view for zero-copy efficiency)
-   * @param copyToArena If true (default), copies data to the connection's arena
-   *                   for safe storage. If false, the caller must ensure the
-   *                   data remains valid until all queued messages are sent.
+   * @param copy_to_arena If true (default), copies data to the connection's
+   * arena for safe storage. If false, the caller must ensure the data remains
+   * valid until all queued messages are sent.
    *
    * @warning Thread Safety: Only call from the thread that currently owns this
    * connection. The arena allocator is not thread-safe.
    *
-   * @note Performance: Use copyToArena=false for static strings or data with
-   * guaranteed lifetime, copyToArena=true for temporary/dynamic data.
+   * @note Performance: Use copy_to_arena=false for static strings or data with
+   * guaranteed lifetime, copy_to_arena=true for temporary/dynamic data.
    *
    * Example usage:
    * ```cpp
@@ -88,7 +88,7 @@ struct Connection {
    * conn->appendMessage(arena_allocated_data, false);         // Arena data
    * ```
    */
-  void appendMessage(std::string_view s, bool copyToArena = true);
+  void appendMessage(std::string_view s, bool copy_to_arena = true);
 
   /**
    * @brief Mark the connection to be closed after sending all queued messages.