apply jet brains nerd font + image fix

what in the fahhh

scripts/prepare_terminal_font.py

@@ -0,0 +1,111 @@
+#!/usr/bin/env -S uv run --script
+# /// script
+# requires-python = ">=3.11"
+# dependencies = [
+#   "brotli==1.2.0",
+#   "fonttools==4.63.0",
+# ]
+# ///
+"""Rebuild Wakey's self-hosted terminal webfont from Nerd Fonts."""
+
+from __future__ import annotations
+
+import hashlib
+import os
+import shutil
+import tarfile
+import tempfile
+import urllib.request
+from pathlib import Path
+
+from fontTools.ttLib import TTFont
+
+NERD_FONTS_VERSION = "v3.4.0"
+ARCHIVE_SHA256 = "ef552a3e638f25125c6ad4c51176a6adcdce295ab1d2ffacf0db060caf8c1582"
+WOFF2_SHA256 = "50680a64466fbcc3eff68e00f84505f55681c86f8450c042416af5a8dbc1cce1"
+FONT_FILE = "JetBrainsMonoNerdFontMono-Regular"
+ARCHIVE_URL = (
+    "https://github.com/ryanoasis/nerd-fonts/releases/download/"
+    f"{NERD_FONTS_VERSION}/JetBrainsMono.tar.xz"
+)
+
+ROOT = Path(__file__).resolve().parent.parent
+OUTPUT_DIR = ROOT / "ui/src/assets/fonts/jetbrains-mono-nerd"
+
+
+def sha256(path: Path) -> str:
+    digest = hashlib.sha256()
+    with path.open("rb") as source:
+        for chunk in iter(lambda: source.read(1024 * 1024), b""):
+            digest.update(chunk)
+    return digest.hexdigest()
+
+
+def verify_sha256(path: Path, expected: str) -> None:
+    actual = sha256(path)
+    if actual != expected:
+        raise RuntimeError(
+            f"checksum mismatch for {path}\nexpected: {expected}\nactual:   {actual}"
+        )
+
+
+def download(url: str, destination: Path) -> None:
+    request = urllib.request.Request(url, headers={"User-Agent": "wakey-font-preparer"})
+    with (
+        urllib.request.urlopen(request, timeout=60) as response,
+        destination.open("wb") as output,
+    ):
+        shutil.copyfileobj(response, output)
+
+
+def extract_member(archive: tarfile.TarFile, name: str, destination: Path) -> None:
+    source = archive.extractfile(name)
+    if source is None:
+        raise RuntimeError(f"missing {name} in Nerd Fonts archive")
+    with source, destination.open("wb") as output:
+        shutil.copyfileobj(source, output)
+
+
+def install_file(source: Path, destination: Path) -> None:
+    """Atomically replace an asset without exposing a partial file to Vite."""
+    temporary = destination.with_name(f".{destination.name}.tmp")
+    try:
+        shutil.copyfile(source, temporary)
+        os.chmod(temporary, 0o644)
+        temporary.replace(destination)
+    finally:
+        temporary.unlink(missing_ok=True)
+
+
+def main() -> None:
+    OUTPUT_DIR.mkdir(parents=True, exist_ok=True)
+    with tempfile.TemporaryDirectory(prefix="wakey-terminal-font.") as temp:
+        work_dir = Path(temp)
+        archive_path = work_dir / "JetBrainsMono.tar.xz"
+        ttf_path = work_dir / f"{FONT_FILE}.ttf"
+        woff2_path = work_dir / f"{FONT_FILE}.woff2"
+        license_path = work_dir / "OFL.txt"
+
+        print(f"Downloading Nerd Fonts {NERD_FONTS_VERSION} JetBrainsMono archive")
+        download(ARCHIVE_URL, archive_path)
+        verify_sha256(archive_path, ARCHIVE_SHA256)
+
+        with tarfile.open(archive_path, "r:xz") as archive:
+            extract_member(archive, ttf_path.name, ttf_path)
+            extract_member(archive, license_path.name, license_path)
+
+        # FontTools otherwise stamps the current time into the head table,
+        # making equivalent rebuilds produce different WOFF2 files.
+        font = TTFont(ttf_path, recalcTimestamp=False)
+        font.flavor = "woff2"
+        font.save(woff2_path)
+        verify_sha256(woff2_path, WOFF2_SHA256)
+
+        install_file(woff2_path, OUTPUT_DIR / woff2_path.name)
+        install_file(license_path, OUTPUT_DIR / license_path.name)
+
+    print(f"Prepared {OUTPUT_DIR / f'{FONT_FILE}.woff2'}")
+
+
+if __name__ == "__main__":
+    main()