New "KI" tab on case detail page with three sub-panels:
- KI-Strategie: one-click strategic analysis with next steps, risks, timeline
- KI-Entwurf: document drafting with template selection, language, instructions
- Aehnliche Faelle: UPC similar case search with relevance scores
Components: CaseStrategy, DocumentDrafter, SimilarCaseFinder
Types: StrategyRecommendation, DocumentDraft, SimilarCase, etc.
