Use-Case-Mapping-Filter für Master Controls + Mapper-Präzisionsfix

Phase 2: Live-Filter an /sdk/master-controls (Use Case, Quell-Regulierung,
Verifikations-Methode, Coverage, Primärzweck-Toggle, category via Member-EXISTS).
API mit EXISTS-Filtern + gecachten Meta-Counts in master-controls/route.ts.

Phase A: neue UseCase telekommunikation + Fix der Impressum-Fehlrouten im
Register (TKG/AT-TKG->telekommunikation, telemedien->dse, GewO->handelsrecht);
echte Impressum-Quellen (TMG/Mediengesetz) bleiben impressum. Deterministischer
Seed aus source_regulation; Tests grün.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

admin-compliance/app/sdk/control-library/components/ControlListView.tsx

@@ -12,6 +12,7 @@ import {
   VERIFICATION_METHODS, CATEGORY_OPTIONS, EVIDENCE_TYPE_OPTIONS,
 } from './helpers'
 import { ControlsMeta } from './useControlLibraryState'
+import { useCaseLabel, mcVerificationLabel } from './mcMappingLabels'
 import { GeneratorModal } from './GeneratorModal'
 
 interface ControlListViewProps {
@@ -34,6 +35,10 @@ interface ControlListViewProps {
   domainFilter: string
   stateFilter: string
   verificationFilter: string
+  useCaseFilter: string
+  primaryOnly: boolean
+  regulationFilter: string
+  mappedFilter: string
   categoryFilter: string
   evidenceTypeFilter: string
   audienceFilter: string
@@ -46,6 +51,10 @@ interface ControlListViewProps {
   setDomainFilter: (v: string) => void
   setStateFilter: (v: string) => void
   setVerificationFilter: (v: string) => void
+  setUseCaseFilter: (v: string) => void
+  setPrimaryOnly: (v: boolean) => void
+  setRegulationFilter: (v: string) => void
+  setMappedFilter: (v: string) => void
   setCategoryFilter: (v: string) => void
   setEvidenceTypeFilter: (v: string) => void
   setAudienceFilter: (v: string) => void
@@ -71,10 +80,12 @@ export function ControlListView({
   reviewCount, bulkProcessing, showStats, processedStats,
   showGenerator, currentPage, totalPages, sortBy,
   searchQuery, severityFilter, domainFilter, stateFilter,
-  verificationFilter, categoryFilter, evidenceTypeFilter, audienceFilter,
+  verificationFilter, useCaseFilter, primaryOnly, regulationFilter, mappedFilter,
+  categoryFilter, evidenceTypeFilter, audienceFilter,
   sourceFilter, typeFilter, hideDuplicates,
   setSearchQuery, setSeverityFilter, setDomainFilter, setStateFilter,
-  setVerificationFilter, setCategoryFilter, setEvidenceTypeFilter, setAudienceFilter,
+  setVerificationFilter, setUseCaseFilter, setPrimaryOnly, setRegulationFilter, setMappedFilter,
+  setCategoryFilter, setEvidenceTypeFilter, setAudienceFilter,
   setSourceFilter, setTypeFilter, setHideDuplicates, setSortBy,
   setShowStats, setShowGenerator, setCurrentPage,
   onSelectControl, onCreateMode, onEnterReview, onBulkReject, onRefresh, onLoadStats, onFullReload,
@@ -176,18 +187,60 @@ export function ControlListView({
                 className="rounded border-gray-300 text-purple-600 focus:ring-purple-500" />
               Duplikate ausblenden
             </label>
+            {meta?.use_case_counts && (
+              <select value={useCaseFilter} onChange={e => setUseCaseFilter(e.target.value)}
+                className="text-sm border border-purple-300 bg-purple-50 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-purple-500 max-w-[260px]">
+                <option value="">Use Case (alle)</option>
+                {Object.entries(meta.use_case_counts).sort((a, b) => b[1] - a[1]).map(([k, c]) => (
+                  <option key={k} value={k}>{useCaseLabel(k)} ({c})</option>
+                ))}
+              </select>
+            )}
+            {meta?.use_case_counts && useCaseFilter && (
+              <label className="flex items-center gap-1.5 text-xs text-gray-600 cursor-pointer whitespace-nowrap"
+                title="Nur Master Controls, deren Primärzweck dieser Use Case ist (blendet über-geclusterte Mehrfachzwecke aus)">
+                <input type="checkbox" checked={primaryOnly} onChange={e => setPrimaryOnly(e.target.checked)}
+                  className="rounded border-gray-300 text-purple-600 focus:ring-purple-500" />
+                nur Primärzweck
+              </label>
+            )}
+            {meta?.regulations && meta.regulations.length > 0 && (
+              <select value={regulationFilter} onChange={e => setRegulationFilter(e.target.value)}
+                className="text-sm border border-blue-300 bg-blue-50 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-purple-500 max-w-[260px]">
+                <option value="">Regulierung (alle)</option>
+                {meta.regulations.map(rg => (
+                  <option key={rg.source_regulation} value={rg.source_regulation}>{rg.source_regulation} ({rg.count})</option>
+                ))}
+              </select>
+            )}
             <select value={verificationFilter} onChange={e => setVerificationFilter(e.target.value)}
               className="text-sm border border-gray-300 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-purple-500">
               <option value="">Nachweis</option>
               {Object.entries(VERIFICATION_METHODS).map(([k, v]) => (
                 <option key={k} value={k}>{v.label}{meta?.verification_method_counts?.[k] ? ` (${meta.verification_method_counts[k]})` : ''}</option>
               ))}
+              {Object.keys(meta?.verification_method_counts || {})
+                .filter(k => k !== '__none__' && !(k in VERIFICATION_METHODS))
+                .map(k => (
+                  <option key={k} value={k}>{mcVerificationLabel(k)} ({meta!.verification_method_counts![k]})</option>
+                ))}
               {meta?.verification_method_counts?.['__none__'] ? <option value="__none__">Ohne Nachweis ({meta.verification_method_counts['__none__']})</option> : null}
             </select>
+            {meta?.mapped_total != null && (
+              <select value={mappedFilter} onChange={e => setMappedFilter(e.target.value)}
+                className="text-sm border border-gray-300 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-purple-500">
+                <option value="">Coverage: alle</option>
+                <option value="mapped">Zugeordnet ({meta.mapped_total})</option>
+                <option value="unmapped">Offen ({meta.unmapped_count ?? 0})</option>
+              </select>
+            )}
             <select value={categoryFilter} onChange={e => setCategoryFilter(e.target.value)}
               className="text-sm border border-gray-300 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-purple-500">
               <option value="">Kategorie</option>
               {CATEGORY_OPTIONS.map(c => <option key={c.value} value={c.value}>{c.label}{meta?.category_counts?.[c.value] ? ` (${meta.category_counts[c.value]})` : ''}</option>)}
+              {Object.keys(meta?.category_counts || {})
+                .filter(k => k !== '__none__' && !CATEGORY_OPTIONS.some(c => c.value === k))
+                .map(k => <option key={k} value={k}>{k} ({meta!.category_counts![k]})</option>)}
               {meta?.category_counts?.['__none__'] ? <option value="__none__">Ohne Kategorie ({meta.category_counts['__none__']})</option> : null}
             </select>
             <select value={evidenceTypeFilter} onChange={e => setEvidenceTypeFilter(e.target.value)}