feat: DSFA Section 8 KI-Anwendungsfälle + Bundesland RAG-Ingest

- Migration 028: ai_use_case_modules JSONB + section_8_complete auf compliance_dsfas
- Neues ai-use-case-types.ts: AIUseCaseModule Interface, 8 Typen, Art22Assessment,
  AI Act Risikoklassen, WP248-Kriterien, Privacy by Design, createEmptyModule() Helper
- types.ts: Section 8 in DSFA_SECTIONS, ai_use_case_modules im DSFA Interface,
  section_8_complete in DSFASectionProgress
- api.ts: addAIUseCaseModule, updateAIUseCaseModule, removeAIUseCaseModule
- 5 neue UI-Komponenten: AIUseCaseTypeSelector, Art22AssessmentPanel,
  AIRiskCriteriaChecklist, AIUseCaseModuleEditor (7 Tabs), AIUseCaseSection
- DSFASidebar: Section 8 Eintrag + calculateSectionProgress case 8
- ReviewScheduleSection: ai_use_case_module Trigger-Typ ergänzt
- page.tsx: Section 8 Rendering + Weiter-Button auf activeSection < 8 + KI-Module Counter
- scripts/ingest-dsfa-bundesland.sh: WP248 + alle 17 Behörden → bp_dsfa_corpus
- Docs: dsfa.md Section 8 + RAG-Corpus, Developer Portal DSFA mit AI-Modul-Code-Beispielen

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

admin-compliance/components/sdk/dsfa/DSFASidebar.tsx

@@ -70,6 +70,15 @@ function calculateSectionProgress(dsfa: DSFA, sectionNumber: number): number {
       if (rs.next_review_date) return 50
       return 25
 
+    case 8: // KI-Anwendungsfälle (optional)
+      const aiModules = dsfa.ai_use_case_modules || []
+      if (aiModules.length === 0) return 0
+      const avgCompletion = aiModules.reduce((sum, m) => {
+        const checks = [!!m.name, !!m.model_description, m.input_data_categories?.length > 0, !!m.processing_purpose, !!m.legal_basis, !!m.ai_act_risk_class]
+        return sum + Math.round((checks.filter(Boolean).length / checks.length) * 100)
+      }, 0) / aiModules.length
+      return Math.round(avgCompletion)
+
     default:
       return 0
   }
@@ -87,6 +96,7 @@ function isSectionComplete(dsfa: DSFA, sectionNumber: number): boolean {
     case 5: return progress.section_5_complete ?? false
     case 6: return progress.section_6_complete ?? false
     case 7: return progress.section_7_complete ?? false
+    case 8: return progress.section_8_complete ?? false
     default: return false
   }
 }
@@ -112,6 +122,7 @@ export function DSFASidebar({ dsfa, activeSection, onSectionChange }: DSFASideba
   const stakeholderSection = DSFA_SECTIONS.find(s => s.number === 5)
   const consultationSection = DSFA_SECTIONS.find(s => s.number === 6)
   const reviewSection = DSFA_SECTIONS.find(s => s.number === 7)
+  const aiSection = DSFA_SECTIONS.find(s => s.number === 8)
 
   const renderSectionItem = (section: typeof DSFA_SECTIONS[0]) => {
     const progress = calculateSectionProgress(dsfa, section.number)
@@ -230,13 +241,21 @@ export function DSFASidebar({ dsfa, activeSection, onSectionChange }: DSFASideba
       </div>
 
       {/* Section 7: Review */}
-      <div>
+      <div className="mb-4">
         <div className="text-xs font-medium text-gray-400 uppercase tracking-wider mb-2 px-3">
           Fortschreibung
         </div>
         {reviewSection && renderSectionItem(reviewSection)}
       </div>
 
+      {/* Section 8: KI-Anwendungsfälle */}
+      <div>
+        <div className="text-xs font-medium text-gray-400 uppercase tracking-wider mb-2 px-3">
+          KI & AI Act
+        </div>
+        {aiSection && renderSectionItem(aiSection)}
+      </div>
+
       {/* Status Footer */}
       <div className="mt-6 pt-4 border-t border-gray-200">
         <div className="flex items-center justify-between text-sm">