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)

3 files changed, 63 insertions, 0 deletions

diff --git a/completions/rsp.bash b/completions/rsp.bash
new file mode 100644
index 0000000..55a25b0
--- /dev/null
+++ b/completions/rsp.bash
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+_rsp() {
+    local cur prev words cword
+    _init_completion || return
+
+    case $prev in
+        rsp)
+            COMPREPLY=($(compgen -W "start stop restart play pause resume next previous volume shuffle queue status scan settings" -- "$cur"))
+            ;;
+        play)
+            _filedir
+            ;;
+        volume)
+            COMPREPLY=($(compgen -W "0 10 20 30 40 50 60 70 80 90 100" -- "$cur"))
+            ;;
+        shuffle)
+            COMPREPLY=($(compgen -W "on off album" -- "$cur"))
+            ;;
+        settings)
+            COMPREPLY=($(compgen -W "get set list unset" -- "$cur"))
+            ;;
+    esac
+}
+
+complete -F _rsp rsp
diff --git a/completions/rsp.fish b/completions/rsp.fish
new file mode 100644
index 0000000..1fd7483
--- /dev/null
+++ b/completions/rsp.fish
@@ -0,0 +1,11 @@
+# rsp fish completion
+
+complete -c rsp -n '__fish_use_subcommand' -a 'start stop restart play pause resume next previous volume shuffle queue status scan settings' -d 'Command'
+
+complete -c rsp -n '__fish_seen_subcommand_from play' -f -d 'Audio file or directory'
+
+complete -c rsp -n '__fish_seen_subcommand_from volume' -a '0 10 20 30 40 50 60 70 80 90 100' -d 'Volume level'
+
+complete -c rsp -n '__fish_seen_subcommand_from shuffle' -a 'on off album' -d 'Shuffle mode'
+
+complete -c rsp -n '__fish_seen_subcommand_from settings' -a 'get set list unset' -d 'Settings command'
diff --git a/completions/rsp.zsh b/completions/rsp.zsh
new file mode 100644
index 0000000..c07feb1
--- /dev/null
+++ b/completions/rsp.zsh
@@ -0,0 +1,26 @@
+#compdef rsp
+
+_rsp() {
+  _arguments -C \
+    '1:command:->cmd' \
+    '*::args:->args'
+
+  case $state in
+    cmd)
+      _values 'command' \
+        'start' 'stop' 'restart' 'play' 'pause' 'resume' 'next' 'previous' \
+        'volume' 'shuffle' 'queue' 'status' 'scan' 'settings'
+      ;;
+    args)
+      # if first word is "play", complete files/dirs
+      if [[ $words[1] == play || $words[2] == play ]]; then
+        _files
+      else
+        # default: complete nothing (or you can list other subcommand args)
+        return 0
+      fi
+      ;;
+  esac
+}
+
+compdef _rsp rsp