Add systemd service unit for generation-daemon

Author: Marenz

README.md

@@ -132,6 +132,14 @@ Note: Metal support is provided by candle but has not been tested with this proj
 cargo build --release --bin generation-daemon --features cuda,audio-ogg
 ```
 
+A systemd user service unit is included in [`ace-step-gen.service`](ace-step-gen.service). Install with:
+
+```bash
+cp ace-step-gen.service ~/.config/systemd/user/
+systemctl --user daemon-reload
+systemctl --user enable --now ace-step-gen
+```
+
 ## Features
 
 | Feature | Default | Description |

ace-step-gen.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=ACE-Step generation daemon (resident pipeline, Unix socket)
+After=local-fs.target
+
+[Service]
+Type=simple
+Environment=LIBRARY_PATH=/usr/lib64:/usr/lib
+Environment=PATH=/usr/local/cuda-12.4/bin:/usr/local/bin:/usr/bin:/bin
+Environment=CUDA_HOME=/usr/local/cuda-12.4
+Environment=RUST_LOG=info
+# Adjust the path to your built binary
+ExecStart=%h/Projects/ace-step-rs/target/release/generation-daemon --socket /tmp/ace-step-gen.sock
+Restart=on-failure
+RestartSec=10
+
+[Install]
+WantedBy=default.target