[split-required] Split website + studio-v2 monoliths (Phase 3 continued)

Website (14 monoliths split):
- compliance/page.tsx (1,519 → 9), docs/audit (1,262 → 20)
- quality (1,231 → 16), alerts (1,203 → 10), docs (1,202 → 11)
- i18n.ts (1,173 → 8 language files)
- unity-bridge (1,094 → 12), backlog (1,087 → 6)
- training (1,066 → 8), rag (1,063 → 8)
- Deleted index_original.ts (4,899 LOC dead backup)

Studio-v2 (5 monoliths split):
- meet/page.tsx (1,481 → 9), messages (1,166 → 9)
- AlertsB2BContext.tsx (1,165 → 5 modules)
- alerts-b2b/page.tsx (1,019 → 6), korrektur/archiv (1,001 → 6)

All existing imports preserved. Zero new TypeScript errors.

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

website/app/admin/quality/_components/SyntheticTab.tsx

@@ -0,0 +1,75 @@
+import { BQASMetrics } from '../types'
+import { IntentScoresChart } from './IntentScoresChart'
+import { FailedTestsList } from './FailedTestsList'
+
+export function SyntheticTab({
+  syntheticMetrics,
+  isRunningSynthetic,
+  runSyntheticTests,
+}: {
+  syntheticMetrics: BQASMetrics | null
+  isRunningSynthetic: boolean
+  runSyntheticTests: () => void
+}) {
+  return (
+    <div className="space-y-6">
+      <div className="bg-white rounded-xl border border-slate-200 p-6">
+        <div className="flex items-center justify-between mb-6">
+          <div>
+            <h3 className="text-lg font-semibold text-slate-900">Synthetic Test Suite</h3>
+            <p className="text-sm text-slate-500">LLM-generierte Variationen fuer Robustheit-Tests</p>
+          </div>
+          <button
+            onClick={runSyntheticTests}
+            disabled={isRunningSynthetic}
+            className="px-4 py-2 bg-primary-600 text-white rounded-lg hover:bg-primary-700 disabled:bg-slate-300"
+          >
+            {isRunningSynthetic ? 'Laeuft...' : 'Tests starten'}
+          </button>
+        </div>
+
+        {syntheticMetrics ? (
+          <>
+            <div className="grid grid-cols-2 md:grid-cols-4 gap-4 mb-6">
+              <div className="text-center p-4 bg-slate-50 rounded-lg">
+                <p className="text-2xl font-bold text-slate-900">{syntheticMetrics.total_tests}</p>
+                <p className="text-xs text-slate-500">Generierte Tests</p>
+              </div>
+              <div className="text-center p-4 bg-emerald-50 rounded-lg">
+                <p className="text-2xl font-bold text-emerald-600">{syntheticMetrics.passed_tests}</p>
+                <p className="text-xs text-slate-500">Bestanden</p>
+              </div>
+              <div className="text-center p-4 bg-blue-50 rounded-lg">
+                <p className="text-2xl font-bold text-blue-600">{syntheticMetrics.avg_composite_score.toFixed(2)}</p>
+                <p className="text-xs text-slate-500">Avg Score</p>
+              </div>
+              <div className="text-center p-4 bg-purple-50 rounded-lg">
+                <p className="text-2xl font-bold text-purple-600">{syntheticMetrics.avg_coherence.toFixed(2)}</p>
+                <p className="text-xs text-slate-500">Coherence</p>
+              </div>
+            </div>
+
+            <div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
+              <div>
+                <h4 className="font-medium text-slate-900 mb-4">Intent-Variationen</h4>
+                <IntentScoresChart scores={syntheticMetrics.scores_by_intent} />
+              </div>
+              <div>
+                <h4 className="font-medium text-slate-900 mb-4">Fehlgeschlagene Tests</h4>
+                <FailedTestsList testIds={syntheticMetrics.failed_test_ids} />
+              </div>
+            </div>
+          </>
+        ) : (
+          <div className="text-center py-12 text-slate-400">
+            <svg className="w-16 h-16 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.5} d="M19.428 15.428a2 2 0 00-1.022-.547l-2.387-.477a6 6 0 00-3.86.517l-.318.158a6 6 0 01-3.86.517L6.05 15.21a2 2 0 00-1.806.547M8 4h8l-1 1v5.172a2 2 0 00.586 1.414l5 5c1.26 1.26.367 3.414-1.415 3.414H4.828c-1.782 0-2.674-2.154-1.414-3.414l5-5A2 2 0 009 10.172V5L8 4z" />
+            </svg>
+            <p>Noch keine synthetischen Tests ausgefuehrt</p>
+            <p className="text-sm mt-2">Klicke &quot;Tests starten&quot; um Variationen zu generieren</p>
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}