update logging to use logger channel

tooling/pipeline/includes/services/logging/log_producer.h

@@ -0,0 +1,53 @@
+/**
+ * @file services/logging/log_producer.h
+ * @brief Channel-backed log producer for asynchronous pipeline logging.
+ *
+ * The producer captures log records from application code and forwards them to
+ * a bounded channel for later processing by the dispatcher.
+ */
+
+#ifndef BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_CHANNEL_LOGGER_H_
+#define BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_CHANNEL_LOGGER_H_
+
+#include <string_view>
+
+#include "concurrency/bounded_channel.h"
+#include "services/logging/log_entry.h"
+#include "services/logging/logger.h"
+
+/**
+ * @class LogProducer
+ * @brief ILogger implementation that forwards entries to a bounded channel.
+ *
+ * Non-copyable and non-movable. The channel reference is non-owning and must
+ * remain valid for the lifetime of the producer.
+ */
+class LogProducer final : public ILogger {
+ public:
+   /**
+     * @brief Construct a channel-backed producer.
+    *
+     * @param channel Reference to the bounded channel used for log transfer.
+    */
+   explicit LogProducer(BoundedChannel<LogEntry>& channel);
+
+   LogProducer(const LogProducer&) = delete;
+   LogProducer& operator=(const LogProducer&) = delete;
+   LogProducer(LogProducer&&) = delete;
+   LogProducer& operator=(LogProducer&&) = delete;
+
+   ~LogProducer() override = default;
+
+   /**
+     * @brief Queue a log message for asynchronous processing.
+    *
+     * Blocks while the channel applies backpressure.
+    */
+   void Log(LogLevel level, PipelinePhase phase,
+            std::string_view message) override;
+
+ private:
+   BoundedChannel<LogEntry>& channel_;
+};
+
+#endif  // BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_CHANNEL_LOGGER_H_