Ship LNURL mint pages, indexing UI, and reviews rewrite.

Add lnurl list/detail routes, OG fixtures, i18n strings, and the write/
index client flows so the site surfaces the new mint type end to end.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/scripts/og/thumbs.mjs

@@ -0,0 +1,46 @@
+/**
+ * A contact sheet of the three ecosystems' cards at thumbnail size.
+ *
+ * Not part of the build: run it by hand (`node scripts/og/thumbs.mjs`) to check the
+ * one thing a full-size render cannot show you — whether a reader scrolling a timeline
+ * can tell a Cashu card from a Fedimint one from an LNURL one before any text is
+ * legible. Writes og-fixtures/_thumbs.png.
+ */
+import { readFile, writeFile } from 'node:fs/promises';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { Resvg } from '@resvg/resvg-js';
+
+const here = path.dirname(fileURLToPath(import.meta.url));
+const dir = path.resolve(here, '../../og-fixtures');
+
+/** 300px wide: roughly how a link preview renders in a feed. */
+const W = 300;
+const H = Math.round((630 / 1200) * W);
+const GAP = 16;
+const LABEL = 22;
+
+const cards = [
+  ['Cashu', 'fixture-no-icon.png'],
+  ['Fedimint', 'fixture-fed-announced.png'],
+  ['LNURL', 'fixture-lnurl-online.png'],
+];
+
+const parts = await Promise.all(
+  cards.map(async ([label, file], i) => {
+    const data = await readFile(path.join(dir, file));
+    const x = i * (W + GAP);
+    return (
+      `<image x="${x}" y="${LABEL}" width="${W}" height="${H}" ` +
+      `href="data:image/png;base64,${data.toString('base64')}"/>` +
+      `<text x="${x}" y="15" font-family="monospace" font-size="13" fill="#EDE8DC">${label}</text>`
+    );
+  }),
+);
+
+const svg =
+  `<svg xmlns="http://www.w3.org/2000/svg" width="${cards.length * (W + GAP) - GAP}" ` +
+  `height="${H + LABEL}"><rect width="100%" height="100%" fill="#0E0D0B"/>${parts.join('')}</svg>`;
+
+await writeFile(path.join(dir, '_thumbs.png'), new Resvg(svg).render().asPng());
+console.log(`og: og-fixtures/_thumbs.png (${cards.length} cards at ${W}px)`);