fixed ghostty crash & better ws failure recovery

src-tauri/src/commands/app.rs

@@ -1,4 +1,7 @@
 use crate::get_app_handle;
+use crate::init::lifecycle::{construct_user_session, validate_server_health};
+use crate::services::auth::get_session_token;
+use tracing::info;
 
 #[tauri::command]
 pub fn quit_app() -> Result<(), String> {
@@ -12,3 +15,24 @@ pub fn restart_app() {
     let app_handle = get_app_handle();
     app_handle.restart();
 }
+
+/// Attempt to re-establish the user session without restarting the app.
+///
+/// Validates server health, checks for a valid session token,
+/// then reconstructs the user session (re-fetches app data + WebSocket).
+#[tauri::command]
+pub async fn retry_connection() -> Result<(), String> {
+    info!("Retrying connection...");
+
+    validate_server_health()
+        .await
+        .map_err(|e| format!("Server health check failed: {}", e))?;
+
+    if get_session_token().await.is_none() {
+        return Err("No valid session token. Please restart and log in again.".to_string());
+    }
+
+    construct_user_session().await;
+    info!("Connection retry succeeded");
+    Ok(())
+}