feat(shop): display company address instead of id in partner selection

shop/components/wizard/step-customer.tsx

@@ -177,7 +177,7 @@ export function StepCustomer({
               <div className="relative flex-1">
                 <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-slate-400" />
                 <Input
-                  placeholder="Partner suchen nach Name oder ID..."
+                  placeholder="Partner suchen..."
                   value={partnerSearchTerm}
                   onChange={(e) => setPartnerSearchTerm(e.target.value)}
                   className="pl-9 bg-white/5 border-white/10 text-white placeholder:text-slate-500 focus:border-primary text-sm h-9"
@@ -259,7 +259,11 @@ export function StepCustomer({
                       </div>
                       <div>
                         <p className="font-semibold text-white text-sm">{c.name}</p>
-                        <p className="text-xs text-slate-500 font-mono">ID: {c.id}</p>
+                        {(c.street || c.zip || c.city) && (
+                          <p className="text-xs text-slate-400 mt-0.5">
+                            {[c.street, [c.zip, c.city].filter(Boolean).join(' ')].filter(Boolean).join(', ')}
+                          </p>
+                        )}
                       </div>
                     </div>