Session C (night2): the aggregator mounted — Explore hub, lens panels, one filter

- StreaksPanel renders THE LENS (interpreted read + tonight difficulty) +
  snapshot grade letters; streaks are FREE for every tier per the product
  definition (the picture is free, the read is paid) — only hot lists keep
  the free top-3 gate.
- One stat selection now filters ALL layers: card props narrow together
  with streaks + hot lists (Slate activeStat → slateGameToCardData).
- /explore = server SEO shell (daily-indexable: 'MLB Hit Streaks, Hot
  Hitters & Stat Leaders') + ExploreHub client: leaders + full streaks +
  hot lists, real-tier gated, defaults to the in-season sport.
- Landing teaser fixed: it pointed at NBA (off-season → self-hid forever);
  now MLB top-3 through the lens — the anonymous-visitor hook actually
  shows.
- Player dossier: ACTIVE STREAKS block (free, lens reads) via new
  ?player= filter on /api/streaks/:sport.
- Schedule layer already the Slate base (mergeSlate) — verified, no change.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

web/src/components/Slate.tsx

@@ -176,7 +176,12 @@ interface PitcherResponse { games?: PitcherGame[] }
 type GradeIndex = ReturnType<typeof indexGrades>;
 type DeltaIndex = ReturnType<typeof indexDeltas>;
 type PitcherMap = ReturnType<typeof buildPitcherMap>;
-function slateGameToCardData(g: SlateGame, gradeIndex: GradeIndex, deltaIndex: DeltaIndex, pitcherMap: PitcherMap): GameCardData {
+function slateGameToCardData(g: SlateGame, gradeIndex: GradeIndex, deltaIndex: DeltaIndex, pitcherMap: PitcherMap, statFilter: string = 'all'): GameCardData {
+  // Session 60 (night2/C) — ONE stat selection filters every layer: props on
+  // the cards narrow together with the streaks + hot-list panels below.
+  const props = statFilter && statFilter !== 'all'
+    ? g.props.filter((p) => String(p.stat_type || '').toLowerCase() === statFilter)
+    : g.props;
   return {
     id: `${g.sport}-${g.awayAbbr || g.awayTeam}-${g.homeAbbr || g.homeTeam}`,
     sport: g.sport,
@@ -189,7 +194,7 @@ function slateGameToCardData(g: SlateGame, gradeIndex: GradeIndex, deltaIndex: D
     lines: g.gameLines?.books ? detectBestLines(g.gameLines.books) : [],
     // Session 59 (work-order 1.6) — pass the game's participants so the join
     // guard can drop bad feed rows (a player whose real team isn't in this game).
-    playerStrips: buildPlayerStripsFromProps(g.props, gradeIndex, deltaIndex, Date.now(), { home: g.homeTeam, away: g.awayTeam }),
+    playerStrips: buildPlayerStripsFromProps(props, gradeIndex, deltaIndex, Date.now(), { home: g.homeTeam, away: g.awayTeam }),
     // Session 46 — MLB starting pitchers (statsapi.mlb.com via /pitchers).
     pitchers: g.sport === 'mlb' ? pitchersForGameTeams(g.awayTeam, g.homeTeam, pitcherMap) : undefined,
     streaks: (g.streaks || []).map((s) => ({ player: s.player, text: s.description || '' })),
@@ -854,7 +859,7 @@ export default function Slate({ initialTab = 'all', tier = 'free', preferredBook
         {filteredGames.map((g, i) => (
           <VyndrGameCard
             key={`${g.sport}-${g.homeTeam}-${g.awayTeam}-${i}`}
-            game={slateGameToCardData(g, gradeIndex, deltaIndex, pitcherMap)}
+            game={slateGameToCardData(g, gradeIndex, deltaIndex, pitcherMap, activeStat)}
             preferredBooks={preferredBooks}
             onOpen={() => router.push('/scan')}
           />