fix: autoupdate

src/editor/editor-core.js

@@ -59,6 +59,10 @@ window.EditorCore = (function () {
       _wireButton('btn-reset', () => opts.onReset(_currentPage + 1));
     }
 
+    // Disconnect browser-sync to prevent auto-reload.
+    // Editors maintain DOM state — reload would wipe unsaved changes.
+    _disconnectBrowserSync();
+
     // Load worksheet, then optionally load data.json
     _loadWorksheet(_config.filePath, opts.onReady, opts.onDataLoaded);
 
@@ -240,6 +244,18 @@ window.EditorCore = (function () {
 
   // ---- Helpers ----
 
+  function _disconnectBrowserSync() {
+    function tryDisconnect() {
+      if (window.___browserSync___) {
+        window.___browserSync___.socket.close();
+      }
+    }
+    // Browser-sync client may connect after our script runs
+    tryDisconnect();
+    setTimeout(tryDisconnect, 500);
+    setTimeout(tryDisconnect, 2000);
+  }
+
   function _wireButton(id, handler) {
     const btn = document.getElementById(id);
     if (btn) btn.addEventListener('click', handler);