chore(mockups): add sea-chart round slots 08–11 and direction-round notes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/mockups/08-chart-logline/index.html

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+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <title>Sea chart + log line — EPIC Timeline mockup</title>
+  <link rel="stylesheet" href="../../shared/credits.css" />
+  <link rel="stylesheet" href="./style.css" />
+</head>
+<body>
+  <main id="app"></main>
+  <footer data-fan-credits></footer>
+  <script type="module" src="./main.ts"></script>
+</body>
+</html>

src/mockups/08-chart-logline/main.ts

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+import { mountCredits } from "../../shared/credits";
+
+mountCredits();
+document.getElementById("app")!.textContent = "Sea chart + log line (stub)";

src/mockups/08-chart-logline/style.css

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+/* 08-chart-logline stub */
+body { margin: 0; }