Market-movement chart: the bookmaker line vs our model, per match

The odds history we have been capturing every 3h finally gets a face:
de-vigged DraftKings probabilities drift as solid lines toward
kickoff, with the model's numbers as dashed references — the honest
benchmark framing, right on the match page. Renders only when at least
two pre-kickoff lines exist. EN/DE copy included.

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

src/lib/i18n/en.ts

@@ -85,6 +85,8 @@ export const en = {
     },
     timeline: "Timeline",
     momentum: "How the win probability swung",
+    oddsMovement: "Market movement vs the model",
+    oddsMovementNote: "Solid lines: the bookmaker's odds with the margin removed, drifting toward kickoff. Dashed lines: our model's probabilities. The market is a benchmark — the model never sees it.",
     preMatchModel: "Pre-match model",
     modelExpectation: "Model expectation",
     expectedGoalsLine: "Expected goals: {home} – {away} · model probabilities, not betting advice",