feat: 5-tab agent UI — PDF export, compare, auth test, all proxies

- 5 tabs: Schnellanalyse, Website-Scan, Cookie-Test, Vergleich, Login-Test
- PDF download button in ScanResult
- CompareResult: side-by-side compliance comparison table
- AuthTestResult: 5 post-login checks with legal refs
- API proxies: /scans/pdf, /compare, /authenticated-scan
- Compare: textarea for 2-5 URLs, parallel scanning

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

admin-compliance/app/sdk/agent/_components/ScanResult.tsx

@@ -207,6 +207,35 @@ export function ScanResult({ data }: { data: ScanData }) {
           </div>
         </div>
       )}
+      {/* PDF Export Button */}
+      <div className="pt-4 border-t flex gap-3">
+        <button
+          onClick={async () => {
+            try {
+              const res = await fetch('/api/sdk/v1/agent/scans/pdf', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ url: '', scan_type: 'scan', analysis_mode: 'post_launch', result: data }),
+              })
+              if (res.ok) {
+                const blob = await res.blob()
+                const url = URL.createObjectURL(blob)
+                const a = document.createElement('a')
+                a.href = url
+                a.download = 'compliance-report.pdf'
+                a.click()
+                URL.revokeObjectURL(url)
+              }
+            } catch (e) { console.error('PDF export failed:', e) }
+          }}
+          className="flex items-center gap-2 px-4 py-2 text-sm font-medium text-purple-700 bg-purple-50 border border-purple-200 rounded-lg hover:bg-purple-100 transition-colors"
+        >
+          <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+          </svg>
+          PDF herunterladen
+        </button>
+      </div>
     </div>
   )
 }