diff --git a/internal/common/context.go b/internal/common/context.go
new file mode 100644
index 0000000..c49cbc0
--- /dev/null
+++ b/internal/common/context.go
@@ -0,0 +1,8 @@
+package common
+
+type contextKey string
+
+const RouterContextKey contextKey = contextKey("router")
+const SourceContextKey contextKey = contextKey("source")
+const ModulesContextKey contextKey = contextKey("modules")
+const SenderContextKey contextKey = contextKey("sender")
diff --git a/internal/common/common.go b/internal/common/routing.go
similarity index 56%
rename from internal/common/common.go
rename to internal/common/routing.go
index 3725a05..70bd17e 100644
--- a/internal/common/common.go
+++ b/internal/common/routing.go
@@ -2,13 +2,6 @@ package common
 
 import "context"
 
-type contextKey string
-
-const RouterContextKey contextKey = contextKey("router")
-const SourceContextKey contextKey = contextKey("source")
-const ModulesContextKey contextKey = contextKey("modules")
-const SenderContextKey contextKey = contextKey("sender")
-
 type RouteIO interface {
 	HandleInput(ctx context.Context, sourceId string, payload any) (bool, []RouteIOError)
 	HandleOutput(ctx context.Context, destinationId string, payload any) error