refactoring by skill

scrbl/racket-wiki.scrbl

@@ -150,6 +150,30 @@ for page-local checklists.
 
 @defmodule[racket-wiki/translate]
 
+@defproc[(current-language [config any/c]) string?] {
+Returns the language stored for the wiki installation. When no readable
+language setting exists, the language in @racket[config] is returned.
+}
+
+@defproc[(write-language! [config any/c] [language string?]) void?] {
+Stores @racket[language] in the configured wiki data directory.
+}
+
+@defproc[(translation-page-slug [language any/c #f]) string?] {
+Returns the fixed slug of the special page containing translation overrides.
+The optional argument is retained for compatibility with older callers.
+}
+
+@defproc[(translation-page-template) string?] {
+Builds initial Markdown content containing every built-in Dutch and English
+translation key.
+}
+
+@defproc[(translations-for [config any/c]) hash?] {
+Returns all effective translations for the selected language, including any
+valid overrides from the special translations page.
+}
+
 @defproc[(tr [config any/c] [key symbol?]) string?] {
 Returns the effective UI translation for @racket[key]. Built-in English and
 Dutch translations are available before the database is configured. Once the