Context: CLI tests showed GMC brand search ignoring diacritics ('gural', 'armagan' found nothing) and case-sensitive filters, and Search Console matching 'istanbul' (4 hits) but not 'İstanbul' / 'İSTANBUL'. Our users are Turkish SEO consultants.
Every MCP that matches user-typed text against names, titles, domains, brands, keywords or properties MUST compare searchFold(query) against searchFold(candidate).
Fold steps, in this order:
- Map
İ,I,ıtoiBEFORE any case mapping (so İ, I, ı, i all becomei).