copy: tighten Trump / Archive / Case Studies / Glossary / Methodology

Trump:
- PageHint: "move price" → "move the market"
- Filter hints: "verdict is long/short BTC" → "scored as a long/short signal"

Archive:
- PageHint: "Historical fires from old scanner experiments" →
  "Signals from retired scanner experiments … Read-only"

Case Studies:
- heroSubtitle: "worth studying" → "— documented."
- intro: remove redundant "is here to" phrasing
- footer: "signal stack" → "each signal engine"; "return promises" → "return forecasts"

Glossary:
- heroSubtitle: "The precise meaning of every key entity and term on the platform"
  → "Every term on the platform, defined precisely."
- intro: remove internal LLM-indexing rationale; rewrite for users

Methodology:
- heroSubtitle: "from raw input to trading decision"
  → "From raw data to trade decision — how each engine actually works."

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/[locale]/trump/TrumpPageClient.tsx

@@ -89,7 +89,7 @@ export default function TrumpSignalPage({ initialPosts = null }: TrumpSignalPage
           <h1 className="page-title">① Trump Signal</h1>
           <PageHint count={`${sigCounts.actionable} actionable / ${trumpPosts.length} posts`}>
             Watches Trump's Truth Social posts in real time, AI-scores each one,
-            and only fires a trade when the conviction is high enough to move price.
+            and only fires a trade when conviction is high enough to move the market.
           </PageHint>
         </div>
         <span className="chip"><span className="live-dot" />Live</span>
@@ -106,8 +106,8 @@ export default function TrumpSignalPage({ initialPosts = null }: TrumpSignalPage
           {([
             { key: 'all',        hint: 'Every post the scraper has captured.' },
             { key: 'actionable', hint: 'Only posts the AI flagged as BUY or SHORT.' },
-            { key: 'buy',        hint: 'Posts where the AI verdict is long BTC.' },
-            { key: 'short',      hint: 'Posts where the AI verdict is short BTC.' },
+            { key: 'buy',        hint: 'Posts the AI scored as a long signal.' },
+            { key: 'short',      hint: 'Posts the AI scored as a short signal.' },
           ] as const).map(f => (
             <button
               key={f.key}