### What problem does this PR solve?
This PR fixes an incorrect variable reference in the Advanced Ingestion
Pipeline template, which causes a runtime failure in the Auto Keywords
stage.
When creating a pipeline using the `advanced ingestion pipeline`
template, the **Auto Keywords** stage fails with the following error:
Can't find variable: 'Splitter:NineTiesSin@chunks'
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
Co-authored-by: sunsui <suisun@trip.com>
### What does this PR solve?
German translation for all agent template and optimizing line breaks in
the title for the new translation.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
