Also updated the README debugging section

@@ -48,0 +35,4 @@
+                .set_port(None)
+                .map_err(|_| anyhow::anyhow!("Invalid OAuth redirect URI"))?;
+
+            let url = Url::parse("https://git.flaxeneel2.net/streigen/echelon/")?;

@@ -55,3 +58,4 @@
+        webbrowser::open(auth_data.url.as_str())
             .map_err(|e| anyhow::anyhow!("Failed to open URL in browser: {}", e))?;
 
         let query = redirect_handle

@@ -28,3 +29,3 @@
             let mut request = RegistrationRequest::new();
             request.username = Some(username.clone());
-            request.password = Some(password.clone());
+            request.password = Some(password.to_string());

@@ -5,4 +5,0 @@
-    homeserver: String,
-    state: ClientState,
-    is_login: bool,
-) -> Result<String, String> {

@@ -50,3 +38,1 @@
-pub async fn oauth_register(homeserver: String, state: ClientState) -> Result<String, String> {
-    trace!("Starting OAuth register for homeserver: {}", homeserver);
-    oauth_impl(homeserver, state, false).await
+    oauth_impl(homeserver, state).await

@@ -372,2 +376,4 @@
 }
 
+/// Clear account-owned UI state after logout while retaining layout preferences.
+fn reset_account_ui(ui: &AppWindow) {

@@ -1052,0 +1207,4 @@
+                    .trim_end_matches('/')
+                    .trim_start_matches("https://")
+                    .trim_start_matches("http://")
+                    .to_string();

@@ -1052,0 +1241,4 @@
+                    });
+                }
+            });
+            hierarchy_task = Some(handle.spawn(async move {

@@ -1570,3 +1806,4 @@
         }
     });
 
+    match app_state.echelon_store.get_last() {

@@ -99,6 +99,7 @@ impl SyncManager {
         if let Some(handle) = sync_guard.take() {
             debug!("Stopping sync task...");
             handle.abort();
+            let _ = handle.await;

@@ -113,3 +149,3 @@
             None,
         )?;
-        store.insert(
+        wipe_store_value(store.insert(

@@ -162,1 +148,3 @@
-        }
+        let revoke_error = match tokio::time::timeout(
+            std::time::Duration::from_secs(10),
+            handler.revoke_session(),

@@ -40,0 +52,4 @@
+                return;
+            }
+        };
+        let Some(current_device) = devices.iter().find(|device| device.device_id == device_id)

@@ -29,2 +24,2 @@
-        oauth.server_metadata().await?;
-
+        let metadata = oauth.server_metadata().await?;
+        let issuer = metadata.issuer.as_str();

@@ -40,0 +90,4 @@
+    } else {
+        "Echelon"
+    }
+}

@@ -81,0 +70,4 @@
+            .session()
+            .ok_or_else(|| anyhow::anyhow!("Missing OAuth session after login"))?;
+        let session = session_of(&new_client)?;
+        let user_id = session.user_id.clone();