/** * Re-subset the vendored Geist / Geist Mono woff2 files from the published * `geist` package. * * The shell inlines these as `data:` URLs (the inner frame's CSP is * `font-src data:`), so their size lands directly in the single-file shell * document — hence subsetting rather than shipping the full faces. Run this * only to pick up a new upstream Geist release; the output is committed. * * Needs `uv` (fontTools is fetched on demand, nothing is installed globally). */ import { mkdir, rm } from "node:fs/promises";import path from "node:path";import { fileURLToPath } from "node:url"; const GEIST_VERSION = "1.7.2"; /** Latin-1 plus the punctuation, arrows and symbols dashboards actually render *  (deltas, bullets, ellipses, currency). Anything outside this falls back to *  the system stack, which is the right trade for a 4.5 MB inlined document. */const UNICODES = [  "U+0000-00FF",  "U+0131",  "U+0152-0153",  "U+02BB-02BC",  "U+02C6",  "U+02DA",  "U+02DC",  "U+2000-206F",  "U+2074",  "U+20AC",  "U+2122",  "U+2190",  "U+2191",  "U+2192",  "U+2193",  "U+2212",  "U+2215",  "U+2022",  "U+25CF",  "U+FEFF",  "U+FFFD",].join(","); const packageRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");const fontsDir = path.join(packageRoot, "src/shell/fonts");const workDir = path.join(packageRoot, ".fonts-work"); const run = async (cmd: string[], cwd: string): Promise<void> => {  const proc = Bun.spawn(cmd, { cwd, stdout: "inherit", stderr: "inherit" });  const code = await proc.exited;  if (code !== 0) {    // oxlint-disable-next-line executor/no-try-catch-or-throw, executor/no-error-constructor -- boundary: a build script reports failure by exiting non-zero    throw new Error(`${cmd.join(" ")} exited ${code}`);  }}; await rm(workDir, { recursive: true, force: true });await mkdir(workDir, { recursive: true });await mkdir(fontsDir, { recursive: true }); await run(  ["sh", "-c", `curl -sL https://registry.npmjs.org/geist/-/geist-${GEIST_VERSION}.tgz | tar xz`],  workDir,); const subset = (source: string, output: string): Promise<void> =>  run(    [      "uv",      "run",      "--quiet",      "--with",      "fonttools[woff]",      "--with",      "brotli",      "pyftsubset",      path.join(workDir, "package/dist/fonts", source),      "--flavor=woff2",      "--layout-features=kern,liga,calt,tnum",      `--unicodes=${UNICODES}`,      `--output-file=${path.join(fontsDir, output)}`,    ],    workDir,  ); await subset("geist-sans/Geist-Variable.woff2", "geist-sans.woff2");await subset("geist-mono/GeistMono-Variable.woff2", "geist-mono.woff2"); await rm(workDir, { recursive: true, force: true }); for (const file of ["geist-sans.woff2", "geist-mono.woff2"]) {  const size = (await Bun.file(path.join(fontsDir, file)).arrayBuffer()).byteLength;  console.log(`${file}: ${(size / 1024).toFixed(1)} kB`);}