[Unit]
Description=Open Notebook TTS (chatterbox, OpenAI-compatible wrapper on :8901)
After=network.target

[Service]
Type=simple
WorkingDirectory=%h/open-notebook/services
ExecStart=%h/miniforge3/envs/chatterbox/bin/python tts_server.py
Restart=on-failure
RestartSec=5
StandardOutput=journal
StandardError=journal
Environment="TTS_HOST=0.0.0.0"
Environment="TTS_PORT=8901"
# GPU 2 eindeutig per UUID, NICHT per Index: CUDA sortiert standardmaessig
# "fastest first" statt nach PCI-Reihenfolge, dadurch kann Index 2 auf der
# T600 landen. UUID pruefen mit:
#   nvidia-smi --query-gpu=index,name,uuid --format=csv
Environment="CUDA_VISIBLE_DEVICES=GPU-83ba6d1f-ebbe-f8c8-1433-153e0ebc3866"
Environment="PYTORCH_CUDA_ALLOC_CONF=expandable_segments:True"

[Install]
WantedBy=default.target