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[eric] dictation: ship the model in the app so the first fn press never waits on a download

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Costs ~181MB in the DMG; the alternative is pressing fn into silence while 190MB fetches. Checksum-gated so a truncated model fails the build instead of dying at the first press.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018foyDoK19jjbYdudfzQVkZ
This commit is contained in:
ciregenz
2026-08-25 14:56:19 -07:00
co-authored by Claude Opus 5
parent db0912d22d
commit 66ca97d773
2 changed files with 68 additions and 0 deletions
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electron/scripts/build-whisper.sh
+22
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@@ -59,3 +59,25 @@ file "$OUT/whisper-server"
if otool -L "$OUT/whisper-server" | grep -qE "/opt/homebrew|/usr/local"; then
echo "[whisper] ERROR: binary links non-system libraries"; otool -L "$OUT/whisper-server"; exit 1
fi
# Bundle the default dictation model so fn works the instant the app opens, with no network at all.
# resolveModelFile (voice/whisperModels.js) already looks for DEFAULT_MODEL_ID here in resourceDir
# before anything in userData, so staging the file is the whole change. Costs ~181MB in the DMG;
# the alternative is a user pressing fn into silence while 190MB downloads behind them.
MODEL_FILE="ggml-small.en-q5_1.bin"
MODEL_SHA="bfdff4894dcb76bbf647d56263ea2a96645423f1669176f4844a1bf8e478ad30"
MODEL_SRC="$(cd "$(dirname "$0")/.." && pwd)/whisper/$MODEL_FILE"
if [[ -f "$MODEL_SRC" ]]; then
# Verify BEFORE copying: a truncated model ships silently and dies at the first press.
GOT="$(shasum -a 256 "$MODEL_SRC" | cut -d' ' -f1)"
if [[ "$GOT" != "$MODEL_SHA" ]]; then
echo "[whisper] ERROR: $MODEL_FILE checksum mismatch (got $GOT); refusing to bundle a corrupt model"
exit 1
fi
cp "$MODEL_SRC" "$OUT/$MODEL_FILE"
echo "[whisper] bundled model -> $OUT/$MODEL_FILE ($(du -h "$OUT/$MODEL_FILE" | cut -f1))"
else
# Not fatal: the app still prefetches at boot. But say it, because a build without the model
# silently reintroduces the first-press wait this was added to remove.
echo "[whisper] WARNING: $MODEL_SRC missing; shipping WITHOUT a bundled model (first fn press will wait on a 190MB download)"
fi