Site and gallery: the repo and the showcase catalog live on Gitea at git.zacharyzhang.com

Links, the header's Gitea mark, the catalog's archive download and the showcase pin
workflow (Gitea's API and commit status) move off GitHub; pinned at 6973834, which
restores TokenLedger.

frontend/scripts/showcase.mjs

@@ -1,12 +1,12 @@
 // Writes the showcase catalog for the site: the pinned commit, or the checkout ELY_SHOWCASE names.
 import { execFileSync } from "node:child_process";
-import { copyFileSync, existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
+import { copyFileSync, existsSync, mkdirSync, mkdtempSync, readdirSync, readFileSync, rmSync, writeFileSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join, resolve } from "node:path";
 import { fileURLToPath, pathToFileURL } from "node:url";
 import { Marked } from "marked";
 
-const REPO = "ZacharyZhang-NY/Ely-GPUI-Showcases";
+const REPO = "https://git.zacharyzhang.com/ZacharyZhang-NY/Ely-GPUI-Showcases";
 const site = fileURLToPath(new URL("..", import.meta.url));
 const pub = join(site, "public", "showcase");
 const out = join(site, "src", "showcase.json");
@@ -15,12 +15,14 @@ const stamp = join(pub, ".commit");
 /** The catalog at `commit`, unpacked with its validator's packages. */
 async function fetchCatalog(commit) {
   const work = mkdtempSync(join(tmpdir(), "ely-showcase-"));
-  const url = `https://codeload.github.com/${REPO}/tar.gz/${commit}`;
+  const url = `${REPO}/archive/${commit}.tar.gz`;
   const res = await fetch(url);
   if (!res.ok) throw new Error(`showcase: ${url} answered ${res.status}`);
   writeFileSync(join(work, "catalog.tar.gz"), Buffer.from(await res.arrayBuffer()));
   execFileSync("tar", ["-xzf", "catalog.tar.gz"], { cwd: work });
-  const root = join(work, `${REPO.split("/")[1]}-${commit}`);
+  const [top] = readdirSync(work, { withFileTypes: true }).filter((e) => e.isDirectory());
+  if (!top) throw new Error(`showcase: ${url} held no folder`);
+  const root = join(work, top.name);
   const pnpm = process.env.npm_execpath;
   if (!pnpm) throw new Error("showcase: run through pnpm, which installs the catalog's validator");
   execFileSync(process.execPath, [pnpm, "install", "--frozen-lockfile", "--ignore-scripts", "--silent"], { cwd: root, stdio: "inherit" });