fix: delete predexon, clean PM page copy

src/app/prediction-markets/page.tsx

@@ -9,10 +9,10 @@ import { SITE } from "@/data/site";
  * Hub landing page for the prediction markets cohort. SSR'd against
  * the `pm-cohort-stats` harness gauges plus the existing PM bench
  * gauges (pm-api-latency, pm-resolution-delay, pm-ws-latency). One
- * server fetch, one client tab swap between Venues and Data feeds.
+ * server fetch, sortable venue leaderboard below.
  *
  * The page positions OCB as the neutral cross venue measurement layer:
- * resolution honesty, API quality, freshness lag, all on the same
+ * resolution honesty, API quality, WS latency, all on the same
  * timeline and with the same methodology. Per venue pages live on the
  * bench specs (`/benchmarks/pm-*`); cross venue context lives here.
  *
@@ -38,7 +38,7 @@ const ANSWERS = [
 ] as const;
 
 const DESCRIPTION =
-  "Polymarket vs Kalshi plus Limitless, Myriad and more on one cross-venue leaderboard: volume, OI, resolution delay, API latency, freshness.";
+  "Polymarket vs Kalshi plus Limitless and Myriad on one cross-venue leaderboard: volume, open interest, resolution delay and API latency.";
 
 export const metadata: import("next").Metadata = pageMetadata({
   path: "/prediction-markets",
@@ -230,10 +230,10 @@ export default async function PredictionMarketsHubPage() {
             </Link>{" "}
             (volume, OI, active markets, top market, markets &gt;$1M)
             plus the live PM bench fleet (api latency, resolution delay,
-            freshness). All gauges scraped from the public OCB Prom,
-            refresh interval 60s. Click a venue or feed row above to
-            open its dedicated product page. Hover the dotted underline
-            on any value to see how it is computed.
+            ws latency). All gauges scraped from the public OCB Prom,
+            refresh interval 60s. Click a venue row above to open its
+            dedicated product page. Hover the dotted underline on any
+            value to see how it is computed.
           </p>
         </>
       ) : (

src/lib/logo-manifest.ts

@@ -60,7 +60,6 @@ const RAW: Record<string, string> = {
   // ─── Providers ───
   mobula: "/logos/mobula.svg",
   codex: "/logos/codex.svg",
-  predexon: "/logos/predexon.svg",
   polymarket: "/logos/polymarket.png",
   kalshi: "/logos/kalshi.jpg",
   limitless: "/logos/limitless.png",

src/lib/providers.ts

@@ -490,10 +490,9 @@ async function buildProviders(): Promise<ProviderProfile[]> {
 }
 
 // Zombie slugs from the pre-collapse pm-api-latency split. The bench
-// now ranks the parent provider only (codex, predexon), but stale
-// materialize-worker snapshots can recreate ghost /products/<slug>
-// pages with no data. Hard-block so getProvider() returns undefined and
-// the route 404s cleanly.
+// now ranks the parent provider only (codex), but stale materialize-worker
+// snapshots can recreate ghost /products/<slug> pages with no data.
+// Hard-block so getProvider() returns undefined and the route 404s cleanly.
 //
 // Exported as the single source of truth. related-providers.ts imports
 // this set instead of duplicating the literal — PR #728 originally