S3 (a1): affiliate + partner plumbing
Zero out-of-pocket; everything config-flip-ready but DISABLED/organic.
- BOOK IT deep links: web/src/lib/bookLinks.js + affiliateConfig.js
(all books enabled:false, Impact/Partnerize param shapes documented,
empty params skipped). Wired into StatStrip BookItTeaser (real anchor
now) + scan hand-off links. Every book anchor renders
rel="sponsored noopener noreferrer" (BOOK_LINK_REL).
- Best-price marker: slateAdapter.detectBestBook (only when >=2 books
post the SAME line and prices differ — absent beats wrong) + subtle
signal-green dot in StatStrip. Slate.groupByGame threads the grouped
per-book rows (books[]) onto PropRowProp instead of discarding them.
- Partner refs: ?ref=CODE -> vyndr_ref cookie (90d, first-touch,
PartnerRefCapture in layout) -> signup metadata partner_ref ->
internal GET /api/partners/report/:code (requireInternalAuth; honest
zeros + note until the TODO migration in docs/PARTNERS.md adds
user_profiles.partner_ref — NOT run). Stripe promo-code convention:
partner code == promotion code, verbatim.
- Tests: +41 (2398 -> 2439, 209 suites); bookItTeaser + vyndrCoreScreens
invariants updated to the new (stronger) rel contract. Web build exit 0.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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