add a logging processor

internal/processing/debug-log.go

@@ -0,0 +1,29 @@
+package processing
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+)
+
+type DebugLog struct {
+	config ProcessorConfig
+}
+
+func (dl *DebugLog) Process(ctx context.Context, payload any) (any, error) {
+	slog.Debug("debug.log", "payload", payload, "payloadType", fmt.Sprintf("%T", payload))
+	return payload, nil
+}
+
+func (dl *DebugLog) Type() string {
+	return dl.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "debug.log",
+		New: func(config ProcessorConfig) (Processor, error) {
+			return &DebugLog{config: config}, nil
+		},
+	})
+}