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]/case-studies/page.tsx

@@ -173,14 +173,14 @@ function getCopy(locale: string): CaseStudiesCopy {
     ogDescription:
       'Historical cases that show why the Trump, BTC, and KOL engines exist: posts, wallet behavior, price reaction, and evidence.',
     heroTitle: 'Case Studies',
-    heroSubtitle: 'Real posts, real positioning, and real market reactions worth studying',
+    heroSubtitle: 'Real events, real positioning, and real price reactions — documented.',
     intro:
-      'This is not a performance-claims page. It is an evidence page. Each case is here to answer three questions: what happened, how the market reacted, and why that event supports the existence of a specific signal engine.',
+      'This is not a performance-claims page. It is an evidence page. Each case answers three questions: what happened, how the market reacted, and why that event supports one of the signal engines.',
     statAsset: 'Asset',
     statImpact: 'Price impact',
     statWindow: 'Window',
     evidenceLabel: 'Evidence',
-    footer: 'These cases illustrate the historical basis of the signal stack. They are not forward-looking return promises.',
+    footer: 'These cases illustrate the historical basis for each signal engine. They are not return forecasts.',
     footerMethodology: 'Methodology',
     footerGlossary: 'Glossary',
     cases: [