Old Tam speaks (Kokoro); CC0 birdsong, crickets and owls; no plants through floors; menu and marker fixes

tools/voice/make_voice.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+# Old Tam's voice (tools/voice/make_voice.py). Run after changing any line in
+# data/tutorial.json or data/hints.json:
+#
+#   tools/voice/make_voice.sh          # just the lines that changed
+#   tools/voice/make_voice.sh --all    # every line again
+#
+# The first run sets up a Python 3.12 environment for Kokoro in
+# tools/voice/.venv (about 1 GB, with PyTorch; needs uv) and downloads the
+# Kokoro model (about 330 MB) from Hugging Face.
+
+cd "$(dirname "$0")/../.." || exit 1
+V=tools/voice/.venv
+command -v ffmpeg >/dev/null || { echo "needs ffmpeg (brew install ffmpeg)"; exit 1; }
+if [ ! -x "$V/bin/python" ]; then
+	command -v uv >/dev/null || { echo "needs uv (https://docs.astral.sh/uv/)"; exit 1; }
+	uv venv -q --python 3.12 "$V" || exit 1
+	uv pip install -q --python "$V/bin/python" "kokoro==0.9.4" "misaki[en]==0.9.4" "soundfile==0.14.0" \
+		"en_core_web_sm @ https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.8.0/en_core_web_sm-3.8.0-py3-none-any.whl" || exit 1
+fi
+exec "$V/bin/python" tools/voice/make_voice.py "$@"