* feat(i18n): add multilingual wiki scaffolding, language switcher, and translation QA pipeline
* docs(readme): adopt picoclaw-style multilingual link bar
* fix(i18n): repair localized index links and tighten partial-pair QA
* ci(i18n): fail on broken markdown links in README/wiki
* ci(i18n): add changed-files mode for markdown link checks
* i18n(de): use local Argos MT to fill untranslated German sections
* i18n(es,fr): fill untranslated sections via local Argos workflow
* i18n(ja): fill untranslated sections with scoped local Argos pass
* i18n(ko): fill untranslated sections with scoped local Argos pass
* fix(i18n): address review feedback
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Co-authored-by: David Abutbul <David.a@prompt.security>
David Abutbul