Add SCOPENET developer API and plugin compatibility layer (LuckPerms, PlaceholderAPI, Vault, CoreProtect, WorldGuard, Spark)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DjMbLQujBHunCCu5GpsHaT

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

@@ -19,6 +19,7 @@ public final class Integration implements AutoCloseable {
             new ArrayBlockingQueue<>(64), r -> daemon(r, "scopenet-login"), new ThreadPoolExecutor.AbortPolicy());
     private final AtomicBoolean syncing = new AtomicBoolean();
     private volatile boolean closed;
+    private volatile Consumer<JsonArray> notificationHandler;
     private volatile LiveMapSync liveMap;
     private boolean registered;
     private JsonObject pending;
@@ -106,6 +107,12 @@ public final class Integration implements AutoCloseable {
         if (!response.has("ok") || !response.get("ok").getAsBoolean() || !response.has("kick")
                 || !response.get("kick").isJsonArray()) throw new IllegalStateException("Invalid sync response");
         pending = null;
+        Consumer<JsonArray> handler = notificationHandler;
+        if (handler != null && response.has("notifications") && response.get("notifications").isJsonArray()
+                && response.getAsJsonArray("notifications").size() > 0) {
+            try { handler.accept(response.getAsJsonArray("notifications")); }
+            catch (RuntimeException e) { log.accept("SCOPENET could not process panel events: " + e.getMessage()); }
+        }
         for (JsonElement element : response.getAsJsonArray("kick")) {
             try {
                 JsonObject entry = element.getAsJsonObject();
@@ -129,6 +136,14 @@ public final class Integration implements AutoCloseable {
         return client;
     }
 
+    /**
+     * Receive events the panel queued for this server (level-ups, achievements,
+     * guild changes) with each sync. Called on the sync worker thread.
+     */
+    public void onNotifications(Consumer<JsonArray> handler) {
+        this.notificationHandler = handler;
+    }
+
     /**
      * Start mirroring this server's world and player positions to the panel's
      * central live map. {@code worldRoot} is the level folder (e.g. {@code world}).