feat(iace): benchmark distance panel (Thema 1)

Surface result.distances in the benchmark module: a DistanceComparison
panel showing agreement %, covered values (green), GT-only gaps (amber)
and engine-only extras — mirroring the RiskComparison panel.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

admin-compliance/app/sdk/iace/[projectId]/benchmark/_components/DistanceComparison.tsx

@@ -0,0 +1,69 @@
+'use client'
+
+import type { DistanceComparison as DistanceComparisonData, DistanceToken } from '../_hooks/useBenchmark'
+
+function fmt(t: DistanceToken): string {
+  const v = Number.isInteger(t.value) ? t.value.toString() : t.value.toString().replace('.', ',')
+  return `${v} ${t.unit}`
+}
+
+function TokenList({ tokens, tone }: { tokens: DistanceToken[]; tone: 'ok' | 'gap' | 'extra' }) {
+  if (!tokens.length) return <span className="text-xs text-gray-400">—</span>
+  const cls =
+    tone === 'ok'
+      ? 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300'
+      : tone === 'gap'
+        ? 'bg-amber-100 text-amber-700 dark:bg-amber-900/40 dark:text-amber-300'
+        : 'bg-gray-100 text-gray-500 dark:bg-gray-700 dark:text-gray-400'
+  return (
+    <div className="flex flex-wrap gap-1">
+      {tokens.map((t, i) => (
+        <span key={i} className={`inline-block rounded px-1.5 py-0.5 text-[11px] tabular-nums ${cls}`}>
+          {fmt(t)}
+        </span>
+      ))}
+    </div>
+  )
+}
+
+/**
+ * Distance/speed dimension comparison: do the engine's mm/mm-s values match the
+ * professional's (GT)? Confidence-aware tonality — green = covered, amber = gap.
+ */
+export function DistanceComparison({ data }: { data?: DistanceComparisonData }) {
+  if (!data || data.gt_count === 0) return null
+
+  return (
+    <div className="bg-white dark:bg-gray-800 rounded-lg border border-gray-200 dark:border-gray-700 p-4 space-y-3">
+      <div>
+        <h3 className="text-sm font-semibold text-gray-700 dark:text-gray-300">Abstands-/Geschwindigkeits-Vergleich (Fachmann vs. Tool)</h3>
+        <p className="text-xs text-gray-500 mt-0.5">
+          Deckt das Tool die konkreten mm-/mm-s-Werte des Fachmanns ab? Deterministischer Abgleich der
+          Maße aus den GT-Maßnahmen gegen die vom Tool vorgeschlagenen Maßnahmen.
+        </p>
+      </div>
+
+      <div className="flex items-baseline gap-3">
+        <span className="text-2xl font-bold text-purple-600 tabular-nums">{Math.round(data.agreement_pct)}%</span>
+        <span className="text-xs text-gray-500">
+          {data.matched_count} von {data.gt_count} Fachmann-Maßen abgedeckt
+        </span>
+      </div>
+
+      <dl className="grid grid-cols-1 sm:grid-cols-3 gap-3 text-xs">
+        <div>
+          <dt className="text-[10px] uppercase tracking-wide text-gray-400 mb-1">Abgedeckt</dt>
+          <dd><TokenList tokens={data.matched} tone="ok" /></dd>
+        </div>
+        <div>
+          <dt className="text-[10px] uppercase tracking-wide text-gray-400 mb-1">Lücken (nur Fachmann)</dt>
+          <dd><TokenList tokens={data.gt_only} tone="gap" /></dd>
+        </div>
+        <div>
+          <dt className="text-[10px] uppercase tracking-wide text-gray-400 mb-1">Nur Tool</dt>
+          <dd><TokenList tokens={data.engine_only} tone="extra" /></dd>
+        </div>
+      </dl>
+    </div>
+  )
+}

admin-compliance/app/sdk/iace/[projectId]/benchmark/_hooks/useBenchmark.ts

@@ -66,6 +66,21 @@ export interface RiskAgreement {
   high_confidence_pct: number
 }
 
+export interface DistanceToken {
+  value: number
+  unit: string // "mm" | "mm/s"
+  raw: string
+}
+
+export interface DistanceComparison {
+  gt_count: number
+  matched_count: number
+  agreement_pct: number
+  matched: DistanceToken[]
+  gt_only: DistanceToken[]
+  engine_only: DistanceToken[]
+}
+
 export interface BenchmarkResult {
   coverage_score: number
   measure_coverage: number
@@ -78,6 +93,7 @@ export interface BenchmarkResult {
   risk_rank_pairs: { gt_rank: number; engine_rank: number; hazard_name: string; gt_risk_score: number }[]
   risk_comparison?: RiskComparisonPair[]
   risk_agreement?: RiskAgreement
+  distances?: DistanceComparison
 }
 
 interface UseBenchmarkReturn {

admin-compliance/app/sdk/iace/[projectId]/benchmark/page.tsx

@@ -7,6 +7,7 @@ import { GTImportForm } from './_components/GTImportForm'
 import { HazardComparisonTable } from './_components/HazardComparisonTable'
 import { CategoryBreakdown } from './_components/CategoryBreakdown'
 import { RiskComparison } from './_components/RiskComparison'
+import { DistanceComparison } from './_components/DistanceComparison'
 
 export default function BenchmarkPage() {
   const { projectId } = useParams<{ projectId: string }>()
@@ -106,6 +107,9 @@ export default function BenchmarkPage() {
           {/* Risk-number comparison (tool vs professional) with traffic lights */}
           <RiskComparison pairs={result.risk_comparison} agreement={result.risk_agreement} />
 
+          {/* Distance/speed dimension comparison */}
+          <DistanceComparison data={result.distances} />
+
           {/* Hazard Comparison Table */}
           <HazardComparisonTable
             matched={result.matched_pairs || []}