update doxygen comments for concurrent logger

tooling/pipeline/includes/concurrency/bounded_channel.h

@@ -1,7 +1,3 @@
-//
-// Created by aaronpo on 29/04/2026.
-//
-
 #ifndef BIERGARTEN_PIPELINE_INCLUDES_CONCURRENCY_BOUNDED_CHANNEL_H_
 #define BIERGARTEN_PIPELINE_INCLUDES_CONCURRENCY_BOUNDED_CHANNEL_H_
 
@@ -13,17 +9,19 @@
 
 /**
  * @file bounded_channel.h
- * @brief A thread-safe, bounded multi-producer/multi-consumer channel.
+ * @brief Thread-safe, bounded multi-producer/multi-consumer synchronous channel.
+ *
+ * Intent: Enables asynchronous inter-thread communication with backpressure.
+ * Models a synchronous channel where producers/consumers block on capacity limits.
  */
 
-// ---------------------------------------------------------------------------
-// BoundedChannel<T>
-//
-// Models a synchronous channel with a fixed-capacity internal buffer.
-// Producers block when the buffer is full (backpressure).
-// Consumers block when the buffer be empty.
-// Calling close() unblocks all waiting threads and signals exhaustion.
-// ---------------------------------------------------------------------------
+/**
+ * @class BoundedChannel
+ * @brief MPMC channel with fixed capacity and blocking semantics.
+ *
+ * Producers block when buffer is full; consumers block when empty.
+ * Close() unblocks all waiters and signals channel exhaustion.
+ */
 template <typename T>
 class BoundedChannel {
   // -------------------------------------------------------------------------