Add install script, shell completions, and systemd service

- Add install.sh script that builds release, stops daemon, and installs binary
- Add shell completions for bash, zsh, and fish
- Add systemd user service unit file
- Add public binary declaration in Cargo.toml
- Add install command to CLI
- Make current_track field public for MPRIS integration (placeholder)

1 files changed, 55 insertions, 0 deletions

diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..6429345
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+set -e
+
+echo "Building rsplayer in release mode..."
+cargo build --release
+
+echo "Stopping existing daemon..."
+systemctl --user stop rsplayer 2>/dev/null || true
+rsp stop 2>/dev/null || true
+
+echo "Installing to /usr/bin/rsp..."
+sudo cp target/release/rsp /usr/bin/rsp
+sudo chmod +x /usr/bin/rsp
+
+echo "Installing shell completions for current shell..."
+SHELL_NAME=$(basename "$SHELL")
+
+case "$SHELL_NAME" in
+    zsh)
+        sudo mkdir -p /usr/share/zsh/site-functions
+        sudo cp completions/rsp.zsh /usr/share/zsh/site-functions/_rsp
+        sudo chmod +x /usr/share/zsh/site-functions/_rsp
+        echo "Installed completions for $SHELL_NAME"
+        ;;
+    bash)
+        sudo mkdir -p /usr/share/bash-completion/completions
+        sudo cp completions/rsp.bash /usr/share/bash-completion/completions/rsp
+        sudo chmod +x /usr/share/bash-completion/completions/rsp
+        echo "Installed completions for $SHELL_NAME"
+        ;;
+    fish)
+        sudo mkdir -p /usr/share/fish/vendor_completions.d
+        sudo cp completions/rsp.fish /usr/share/fish/vendor_completions.d/rsp.fish
+        sudo chmod +x /usr/share/fish/vendor_completions.d/rsp.fish
+        echo "Installed completions for $SHELL_NAME"
+        ;;
+    *)
+        echo "Unknown shell: $SHELL_NAME, installing no completions..."
+        ;;
+esac
+
+echo "Installing systemd service..."
+mkdir -p ~/.config/systemd/user
+cp rsplayer.service ~/.config/systemd/user/
+
+if systemctl --user is-active default.target &>/dev/null; then
+    systemctl --user daemon-reload
+    echo "To enable auto-start: systemctl --user enable rsplayer"
+else
+    echo "Service installed but not enabled (no user session running)"
+    echo "To enable later when logged in: systemctl --user enable rsplayer"
+fi
+
+echo ""
+echo "Done! Run 'rsp start' to start the daemon."