Add split pipeline configuration example bundle

docs/config.md

@@ -135,6 +135,10 @@ campaigns:
   root: /usr/local/share/narratio/campaigns
 ```
 
+The maintained [production/testing bundle](../examples/production-testing/pipeline.yml)
+is a complete copyable example of this structure, including canonical-party
+artifact families.
+
 Imports are resolved relative to the directory containing the root pipeline
 file and are loaded in declaration order. Narratio does not scan directories or
 infer fragments. Each import must be a confined regular `.yml` or `.yaml` file:

docs/roadmap/implementation.md

@@ -1097,7 +1097,7 @@ layout or formatting.
 
 ## Stage 20 — Maintained Split Configuration Bundle
 
-**Status: Pending**
+**Status: Completed**
 
 ### Goal