refactoring of app.rs and relevant flow files

src-tauri/src/lifecycle.rs

@@ -0,0 +1,42 @@
+use crate::{
+    lock_w,
+    services::{
+        active_app::init_active_app_changes_listener,
+        health_manager::show_health_manager_with_error,
+    },
+    startup::init_startup_sequence,
+    state::FDOLL,
+    system_tray::init_system_tray,
+};
+
+/// Initializes and starts the core app lifecycle after initial setup.
+///
+/// This function handles:
+/// - System tray initialization and storage in app state
+/// - Active app change listener setup
+/// - Startup sequence execution with error handling
+///
+/// # Errors
+/// If the startup sequence fails, displays a health manager dialog
+/// with the error details.
+///
+/// # Example
+/// ```
+/// // Called automatically during app setup in setup_fdoll()
+/// lifecycle::start_fdoll().await;
+/// ```
+pub async fn start_fdoll() {
+    let tray = init_system_tray();
+    {
+        let mut guard = lock_w!(FDOLL);
+        guard.tray = Some(tray);
+    }
+
+    // Begin listening for foreground app changes
+    init_active_app_changes_listener();
+
+    if let Err(err) = init_startup_sequence().await {
+        tracing::warn!("Startup sequence encountered an error: {}", err);
+        show_health_manager_with_error(Some(err.to_string()));
+    }
+}