Remove duplicate compliance and DSGVO admin pages that have been superseded
by the unified SDK pipeline. Update navigation, sidebar, roles, and module
registry to reflect the new structure. Add DSFA corpus API proxy and
source-policy components.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Switch from /admin/legal-corpus/search to /dsfa-rag/search endpoint.
Add RAGResult interface for type safety.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>