fix: resolve all remaining audit failures across rust, svelte, and java

integrations/common/src/main/java/net/scopenet/integration/Integration.java

@@ -9,7 +9,7 @@ import java.util.function.*;
 public final class Integration implements AutoCloseable {
     public static final String UNAVAILABLE = "SCOPENET sign-in is unavailable. Please try again shortly.";
     public final Activity activity = new Activity();
-    private final Settings settings;
+    private volatile Settings settings;
     private final PanelClient client;
     private final JsonObject hello;
     private final Consumer<String> log;
@@ -115,6 +115,11 @@ public final class Integration implements AutoCloseable {
         }
     }
 
+    public void reload(Settings next) {
+        client.updateSettings(next);
+        settings = next;
+    }
+
     public Settings settings() {
         return settings;
     }
@@ -129,6 +134,7 @@ public final class Integration implements AutoCloseable {
 
     @Override public void close() {
         closed = true;
+        client.close();
         loginWorker.shutdownNow();
         activity.leaveAll();
         Future<?> flush = syncWorker.submit(() -> {