Add entity customer numbers and scope APIs via selected company.

Entity gets an optional unique-per-company number with allocate/peek/isNumberFree helpers. Company-scoped store methods no longer take companyId and resolve google_auth.selected_company instead.

generate-api-doc.js

@@ -44,6 +44,7 @@ const INTERNAL_FILES = new Set([
   'ensureDefault.js',
   'ensureLieferantenGroup.js',
   'resolveCompanyAccess.js',
+  'resolveSelectedCompanyAccess.js',
   'resolveCategoryAccess.js',
   'resolveCustomerGroupAccess.js',
   'resolveEntityAccess.js',
@@ -53,6 +54,9 @@ const INTERNAL_FILES = new Set([
   'queryCategoryArticles.js',
   'getCategoryPosterminalIds.js',
   'nextSku.js',
+  'nextNumber.js',
+  'peekNumber.js',
+  'shape.js',
   'createStore.js',
   'index.js',
 ]);