feat: appwide darkmode toggle and daemon connection check

frontend/src-tauri/src/main.rs

@@ -6,12 +6,16 @@ mod commands;
 use tauri_plugin_global_shortcut::{Code, GlobalShortcutExt, Modifiers, Shortcut, ShortcutState};
 use tokio::sync::Mutex;
 
-use commands::{chat, chat_history, daemon_state, toggle_popup};
+use commands::{chat, chat_history, daemon_state, toggle_dark_mode, toggle_popup};
 use shared::ai::ai_daemon_client::AiDaemonClient;
 
+pub struct AppConfig {
+    dark_mode: bool,
+}
+
 pub struct AppState {
     grpc_client: Mutex<AiDaemonClient<tonic::transport::Channel>>,
-    current_chat: Mutex<Option<i64>>,
+    config: Mutex<AppConfig>,
 }
 
 #[tokio::main]
@@ -22,14 +26,15 @@ async fn main() {
     tauri::Builder::default()
         .manage(AppState {
             grpc_client: Mutex::new(client),
-            current_chat: Mutex::new(None),
+            config: Mutex::new(AppConfig { dark_mode: true }),
         })
         .plugin(tauri_plugin_global_shortcut::Builder::new().build())
         .invoke_handler(tauri::generate_handler![
             toggle_popup,
             chat_history,
             chat,
-            daemon_state
+            daemon_state,
+            toggle_dark_mode,
         ])
         .setup(|app| {
             /* Auto-hide popup when focus is lost