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docs: top-graded selector fingerprinted — strip-after-rank boundary proven in prod

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The anonymous live order (Brionna Jones edge 29.4 ahead of Rhyne Howard edge
42.9) is only explicable by server-side p_win ranking (.90 vs .745, both
takeable) while the payload carries no paid fields — the free caller got the
paid RANKING without the paid SIGNAL, on live data.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QJs13VsyiSKYQP6rj3NNmc
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Kev
2026-07-29 22:08:15 -04:00
parent 72a14dc4cd
commit f310608ca4
2 changed files with 25 additions and 3 deletions
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specs/STATE.md
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@@ -311,6 +311,23 @@
> market facts (book/fair) SURVIVE — the fair leg is never the paywall. Also locked: chalk (p_win .95
> @−300) never tops the board, nulls last but PRESENT, refusals excluded, unrenderable rows dropped,
> thin slate → `200 {props:[]}` never a 404, and board-vs-hero differ by design yet agree within tier.
> ### ✅ POST-DEPLOY FINGERPRINT (commit `72a14dc`) — the boundary PROVEN IN PRODUCTION
> **404 → 200 captured across the deploy boundary** (polled every 15s: attempts 1-4 `HTTP 404`,
> attempt 5 `HTTP 200`). `Cache-Control: public, max-age=60` for the anonymous caller.
> **🔑 THE PROOF THAT THE STRIP-AFTER-RANK BOUNDARY WORKS, on live data, not a fixture.** The
> anonymous live order is **1. Brionna Jones (edge 29.4) · 2. Rhyne Howard (edge 42.9)** — both B/c69.
> An edge-only sort would put Rhyne Howard FIRST (42.9 > 29.4), and that is exactly what the local
> induction over the *stripped* public snapshot produced. Production ranks Brionna first because
> **server-side p_win ordered it** (Brionna 0.90 @−106 > Howard 0.745 @−120, both takeable — matching
> the ledger rows exactly). So the free caller received the **paid RANKING while the payload carries
> `PAID FIELDS: NONE`**. That is the acceptance criterion demonstrated end-to-end in prod.
> Also verified live: **bogus bearer token → still no paid fields** (`resolveTierFromRequest` fails
> closed, proven in prod, not just in test); render-contract safe on every row + `sport` uppercase;
> market facts (book/fair) survive; MLB 3 rows (Chandler Simpson B first); the no-sport merged call
> (gradeOfTheDay's shape) returns rows; and **the board's own proxy path `vyndr.app/api/props/top-graded`
> now returns 10 props → the TOP GRADES board RENDERS instead of falling back to empty.**
> The rendered board itself is a client-side render → TAGGED FOR THE CHROME AUDIT, not faked.
> **HELD:** edge_pct rescale/retirement (Order B) · board columns/contract unchanged · tier-keyed proxy
> caching. Dashboard visual is auth-gated → TAGGED FOR THE CHROME AUDIT, not faked.