Add _detect_recital() to QA pipeline — flags controls where
source_original_text contains Erwägungsgrund markers instead of
article text (28% of controls with source text affected).
- Recital detection via regex + phrase matching in QA validation
- 10 new tests (TestRecitalDetection), 81 total
- ReviewCompare component for side-by-side duplicate comparison
- Review mode split: Duplikat-Verdacht vs Rule-3-ohne-Anchor tabs
- MkDocs: recital detection documentation
- Detection script for bulk analysis (scripts/find_recital_controls.py)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
