fix(seo): noindex staging builds by default

- add PUBLIC_ALLOW_INDEXING as an explicit production indexing opt-in - emit robots meta noindex,nofollow unless indexing is enabled - generate robots.txt from the same indexing flag - document staging SEO behavior for migration preview hosts
2026-07-13 12:48:14 -07:00
parent 9c391c8c05
commit 6648d1d7d5
5 changed files with 43 additions and 7 deletions
@@ -1,3 +0,0 @@
-User-agent: *
-Allow: /
-Sitemap: https://www.azinstitute4autism.com/sitemap.xml