feat: polish life os cards and voice stack

scripts/install_melotts_cpu.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+VENV_PYTHON="${ROOT_DIR}/.venv/bin/python"
+
+if [[ ! -x "${VENV_PYTHON}" ]]; then
+  echo "error: ${VENV_PYTHON} does not exist. Create the web UI virtualenv first." >&2
+  exit 1
+fi
+
+"${VENV_PYTHON}" -m pip install \
+  --index-url https://download.pytorch.org/whl/cpu \
+  "torch==2.7.1+cpu" \
+  "torchaudio==2.7.1+cpu"
+
+"${VENV_PYTHON}" -m pip install "setuptools<81"
+
+"${VENV_PYTHON}" -m pip install \
+  txtsplit \
+  cached_path \
+  "transformers==4.46.3" \
+  "num2words==0.5.12" \
+  "unidic_lite==1.0.8" \
+  "mecab-python3==1.0.9" \
+  fugashi \
+  "pykakasi==2.2.1" \
+  "g2p_en==2.1.0" \
+  "anyascii==0.3.2" \
+  "jamo==0.4.1" \
+  "gruut[de,es,fr]==2.2.3" \
+  "librosa==0.9.1" \
+  "pydub==0.25.1" \
+  "eng_to_ipa==0.0.2" \
+  "inflect==7.0.0" \
+  "unidecode==1.3.7" \
+  "pypinyin==0.50.0" \
+  "cn2an==0.5.22" \
+  "jieba==0.42.1" \
+  soundfile \
+  tqdm
+
+"${VENV_PYTHON}" -m pip install --no-deps "git+https://github.com/myshell-ai/MeloTTS.git"
+
+"${VENV_PYTHON}" - <<'PY'
+import os
+import nltk
+
+download_dir = os.path.expanduser("~/nltk_data")
+for package in ("averaged_perceptron_tagger", "averaged_perceptron_tagger_eng", "cmudict"):
+    nltk.download(package, download_dir=download_dir)
+PY