Live map: plugin/mod chunk+player sync, admin panel Live Map section, launcher transport

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 LiveMapSync liveMap;
     private boolean registered;
     private JsonObject pending;
     private long nextSync;
@@ -128,6 +129,28 @@ public final class Integration implements AutoCloseable {
         return client;
     }
 
+    /**
+     * 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}).
+     */
+    public void enableLiveMap(java.nio.file.Path worldRoot) {
+        if (closed || liveMap != null) return;
+        liveMap = new LiveMapSync(client, worldRoot, log);
+        liveMap.start();
+    }
+
+    /** Hand over a snapshot of player positions; call about once a second on the server thread. */
+    public void liveMapPlayers(java.util.List<LiveMapSync.Player> players) {
+        LiveMapSync map = liveMap;
+        if (map != null) map.offerPlayers(players);
+    }
+
+    /** The world was just saved: pick up its changed chunks soon. */
+    public void liveMapSaved() {
+        LiveMapSync map = liveMap;
+        if (map != null) map.requestScan();
+    }
+
     public ChunkCheckResult checkChunk(String dimension, int chunkX, int chunkZ, UUID uuid) {
         return client.checkChunk(dimension, chunkX, chunkZ, uuid);
     }
@@ -138,6 +161,8 @@ public final class Integration implements AutoCloseable {
 
     @Override public void close() {
         closed = true;
+        LiveMapSync map = liveMap;
+        if (map != null) map.close();
         client.close();
         loginWorker.shutdownNow();
         activity.leaveAll();