feat: 7 Analyse-Module auf 100% — Backend-Endpoints, DB-Model, Frontend-Persistenz

Alle 7 Analyse-Module (Requirements → Report) von ~80% auf 100% gebracht:
- Modul 1 (Requirements): POST/DELETE Endpoints + Frontend-Anbindung + Rollback
- Modul 2 (Controls): Evidence-Linking UI mit Validity-Badge
- Modul 3 (Evidence): Pagination (Frontend + Backend)
- Modul 4 (Risk Matrix): Mitigation-UI, Residual Risk, Status-Workflow
- Modul 5 (AI Act): AISystemDB Model, 6 CRUD-Endpoints, Backend-Persistenz
- Modul 6 (Audit Checklist): PDF-Download + Session-History
- Modul 7 (Audit Report): Detail-Seite mit Checklist Sign-Off + Navigation

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

admin-compliance/app/(sdk)/sdk/evidence/page.tsx

@@ -310,15 +310,19 @@ export default function EvidencePage() {
   const [error, setError] = useState<string | null>(null)
   const [uploading, setUploading] = useState(false)
   const fileInputRef = useRef<HTMLInputElement>(null)
+  const [page, setPage] = useState(1)
+  const [pageSize] = useState(20)
+  const [total, setTotal] = useState(0)
 
-  // Fetch evidence from backend on mount
+  // Fetch evidence from backend on mount and when page changes
   useEffect(() => {
     const fetchEvidence = async () => {
       try {
         setLoading(true)
-        const res = await fetch('/api/sdk/v1/compliance/evidence')
+        const res = await fetch(`/api/sdk/v1/compliance/evidence?page=${page}&limit=${pageSize}`)
         if (res.ok) {
           const data = await res.json()
+          if (data.total !== undefined) setTotal(data.total)
           const backendEvidence = data.evidence || data
           if (Array.isArray(backendEvidence) && backendEvidence.length > 0) {
             const mapped: SDKEvidence[] = backendEvidence.map((e: Record<string, unknown>) => ({
@@ -380,7 +384,7 @@ export default function EvidencePage() {
     }
 
     fetchEvidence()
-  }, []) // eslint-disable-line react-hooks/exhaustive-deps
+  }, [page, pageSize]) // eslint-disable-line react-hooks/exhaustive-deps
 
   // Convert SDK evidence to display evidence
   const displayEvidence: DisplayEvidence[] = state.evidence.map(ev => {
@@ -638,6 +642,34 @@ export default function EvidencePage() {
         </div>
       )}
 
+      {/* Pagination */}
+      {!loading && total > pageSize && (
+        <div className="flex items-center justify-between bg-white rounded-xl border border-gray-200 p-4">
+          <span className="text-sm text-gray-500">
+            Zeige {((page - 1) * pageSize) + 1}–{Math.min(page * pageSize, total)} von {total} Nachweisen
+          </span>
+          <div className="flex items-center gap-2">
+            <button
+              onClick={() => setPage(p => Math.max(1, p - 1))}
+              disabled={page <= 1}
+              className="px-3 py-1 text-sm border border-gray-300 rounded-lg hover:bg-gray-50 disabled:opacity-40 disabled:cursor-not-allowed"
+            >
+              Zurueck
+            </button>
+            <span className="text-sm text-gray-700">
+              Seite {page} von {Math.ceil(total / pageSize)}
+            </span>
+            <button
+              onClick={() => setPage(p => Math.min(Math.ceil(total / pageSize), p + 1))}
+              disabled={page >= Math.ceil(total / pageSize)}
+              className="px-3 py-1 text-sm border border-gray-300 rounded-lg hover:bg-gray-50 disabled:opacity-40 disabled:cursor-not-allowed"
+            >
+              Weiter
+            </button>
+          </div>
+        </div>
+      )}
+
       {!loading && filteredEvidence.length === 0 && state.controls.length > 0 && (
         <div className="bg-white rounded-xl border border-gray-200 p-12 text-center">
           <div className="w-16 h-16 mx-auto bg-gray-100 rounded-full flex items-center justify-center mb-4">