feat(frontend): Firmenname + Domain Input + useCompanyOrigin hook

ComplianceCheckTab.tsx bekommt zwei neue UI-Felder oberhalb des
PreScanWizard:
  - Firma  → z.B. 'Tesla Germany GmbH'
  - Domain (Site-Origin) → z.B. 'https://www.tesla.com/de_de'

Beide werden:
  - in localStorage persistiert (Hook _useCompanyOrigin.ts)
  - im POST-Body als company_name + origin_domain mitgeschickt
  - haben Vorrang vor LLM-extracted_profile (Backend nutzt
    eingegebene Werte falls vorhanden, fallback auf Inferenz)

Datei jetzt 489 LOC (war vorher 461 + 28 für die Inputs).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

admin-compliance/app/sdk/agent/_components/_useCompanyOrigin.ts

@@ -0,0 +1,40 @@
+/**
+ * Custom hook: persistente Firmenname + Origin-Domain für die
+ * ComplianceCheckTab-Form. Priorisierte Werte vor der LLM-basierten
+ * extracted_profile-Inferenz.
+ */
+
+import { useEffect, useState } from 'react'
+
+const STORAGE_KEY_COMPANY = 'compliance-check-company-name'
+const STORAGE_KEY_DOMAIN = 'compliance-check-origin-domain'
+
+
+function readInitial(key: string): string {
+  if (typeof window === 'undefined') return ''
+  return localStorage.getItem(key) || ''
+}
+
+
+export function useCompanyOrigin() {
+  const [companyName, setCompanyName] = useState<string>(
+    () => readInitial(STORAGE_KEY_COMPANY),
+  )
+  const [originDomain, setOriginDomain] = useState<string>(
+    () => readInitial(STORAGE_KEY_DOMAIN),
+  )
+
+  useEffect(() => {
+    try {
+      localStorage.setItem(STORAGE_KEY_COMPANY, companyName)
+    } catch { /* quota */ }
+  }, [companyName])
+
+  useEffect(() => {
+    try {
+      localStorage.setItem(STORAGE_KEY_DOMAIN, originDomain)
+    } catch { /* quota */ }
+  }, [originDomain])
+
+  return { companyName, setCompanyName, originDomain, setOriginDomain }
+}