- POST /_seo/api/v1/notfound with the golem15.seo.notfound_token bearer
(constant-time, off when unset), URL and referer caps, a row cap with
an hourly warning, throttle bucket seo-notfound
- golem15.seo.notfound list by hits with Resolved rows, a preview with the
resolved hint, a prompted 301 and a 410 record action, a bulk 410 that
refuses a selection with a covered address
- every /_seo/api/v1 answer carries X-Robots-Tag: noindex
- golem15.seo.redirects list and form (UI-SPEC C8): chain rows marked,
status, match, origin and chain filters, the navigation item lands here
- a field-less extension on the controller refuses a loop with
redirects.loop on target, answers the chain notice and records history
- the status dropdown posts text, read through RedirectStatus
