feat(lib, daemon, gui): daemon version in fullstate and gui (#180)

* add daemon_version field to the FullState

* add daemon version to the pwsp-gui settings page

pwsp-lib/src/types/audio_player.rs

@@ -59,6 +59,7 @@ pub struct FullState {
     pub all_inputs: HashMap<String, String>,
     pub current_output: String,
     pub all_outputs: HashMap<String, String>,
+    pub daemon_version: String,
 }
 
 /// Which of the two independent output paths a volume applies to.

pwsp-lib/src/types/commands.rs

@@ -684,6 +684,7 @@ impl Executable for GetFullStateCommand {
             all_inputs,
             current_output: audio_player.output_device_name.clone().unwrap_or_default(),
             all_outputs,
+            daemon_version: env!("CARGO_PKG_VERSION").into(),
         };
 
         match serde_json::to_string(&full_state) {

pwsp-lib/src/types/gui.rs

@@ -130,6 +130,7 @@ pub struct AudioPlayerState {
     pub all_outputs_sorted: Vec<(String, String)>,
 
     pub is_daemon_running: bool,
+    pub daemon_version: String,
 
     pub hotkey_config: Option<HotkeyConfig>,
 }

pwsp-lib/src/utils/gui.rs

@@ -148,6 +148,7 @@ pub fn start_app_state_thread(audio_player_state_shared: Arc<Mutex<AudioPlayerSt
                 }
 
                 guard.is_daemon_running = true;
+                guard.daemon_version = full_state.daemon_version;
             }
 
             // Poll hotkey config at a lower frequency (~every 2 seconds)