auto: 2026-05-26_06:00 changes

1 files changed, 16 insertions, 5 deletions

diff --git a/modules/core/virtual-fs.js b/modules/core/virtual-fs.js
index a505699..68d02bf 100644
--- a/modules/core/virtual-fs.js
+++ b/modules/core/virtual-fs.js
@@ -8,6 +8,12 @@ class VirtualFileSystem {
         try {
             const saved = localStorage.getItem('webx11_filesystem');
             if (saved) {
+                // Safety: refuse to load if data is excessively large (>512KB raw)
+                if (saved.length > 524288) {
+                    console.warn('FS data too large (' + (saved.length/1024).toFixed(0) + 'KB), skipping load');
+                    localStorage.removeItem('webx11_filesystem');
+                    return;
+                }
                 const data = JSON.parse(saved);
                 this.root = data.root || this.root;
                 this.currentPath = data.currentPath || [];
@@ -15,11 +21,16 @@ class VirtualFileSystem {
         } catch (e) { console.error('FS load error:', e); }
     }
     saveToStorage() {
-        try {
-            localStorage.setItem('webx11_filesystem', JSON.stringify({
-                root: this.root, currentPath: this.currentPath
-            }));
-        } catch (e) { console.error('FS save error:', e); }
+        if (this._storageSavePending) return;
+        this._storageSavePending = true;
+        setTimeout(() => {
+            this._storageSavePending = false;
+            try {
+                localStorage.setItem('webx11_filesystem', JSON.stringify({
+                    root: this.root, currentPath: this.currentPath
+                }));
+            } catch (e) { console.error('FS save error:', e); }
+        }, 2000);
     }
     getCurrentDir() {
         let dir = this.root;