BrokenUrlTracker now queries real analytics pageview counts instead of
hardcoding 0, so broken URLs with prior traffic are distinguished from
bot noise. For /products/ 404s with a single FTS5 search match, auto-
creates a redirect and marks the broken URL resolved. 1232 tests.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Redirects context with redirect/broken_url schemas, chain flattening,
ETS cache for fast lookups in the request pipeline. BrokenUrlTracker
plug logs 404s. Auto-redirect on product slug change via upsert_product
hook. Admin redirects page with active/broken tabs, manual create form.
RedirectPrunerWorker cleans up old broken URLs. 1227 tests passing.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
