Implement pipeline logging with bounded channels and orchestrator integration

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

@@ -0,0 +1,31 @@
+/**
+ * @file services/logging/logger.h
+ * @brief Abstract interface for pipeline logging.
+ *
+ * Kept intentionally narrow. Components that need to log depend on Logger,
+ * not on PipelineLogger or any channel type.
+ */
+
+#ifndef BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_LOGGER_H_
+#define BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_LOGGER_H_
+
+#include <optional>
+#include <string>
+#include <string_view>
+
+#include "services/logging/log_entry.h"
+
+class ILogger {
+ public:
+  ILogger() = default;
+  ILogger(const ILogger&) = delete;
+  ILogger& operator=(const ILogger&) = delete;
+  ILogger(ILogger&&) = delete;
+  ILogger& operator=(ILogger&&) = delete;
+  virtual ~ILogger() = default;
+
+  virtual void Log(LogLevel level, PipelinePhase phase,
+                   std::string_view message) = 0;
+};
+
+#endif  // BIERGARTEN_PIPELINE_INCLUDES_SERVICES_LOGGING_LOGGER_H_