diff --git a/src/vfs/PathResolver.ts b/src/vfs/PathResolver.ts
index 3b49b1f1..4d8d3de5 100644
--- a/src/vfs/PathResolver.ts
+++ b/src/vfs/PathResolver.ts
@@ -232,7 +232,7 @@ export class PathResolver {
       includeVFS: true  // v4.5.1: Required to see VFS relationships
     })
 
-    const validChildren: VFSEntity[] = []
+    const validChildren: VFSEntity[]= []
     const childNames = new Set<string>()
 
     // Fetch all child entities via relationships
diff --git a/src/vfs/VirtualFileSystem.ts b/src/vfs/VirtualFileSystem.ts
index 4069b94f..b127a529 100644
--- a/src/vfs/VirtualFileSystem.ts
+++ b/src/vfs/VirtualFileSystem.ts
@@ -177,9 +177,10 @@ export class VirtualFileSystem implements IVirtualFileSystem {
         console.warn(`⚠️  Found ${existing.length} root entities! Using first one, consider cleanup.`)
 
         // Sort by creation time - use oldest root (most likely to have children)
+        // v4.5.2: FIX - createdAt is at entity level, not metadata level!
         existing.sort((a, b) => {
-          const aTime = a.metadata?.createdAt || a.metadata?.modified || 0
-          const bTime = b.metadata?.createdAt || b.metadata?.modified || 0
+          const aTime = (a as any).createdAt || a.metadata?.modified || 0
+          const bTime = (b as any).createdAt || b.metadata?.modified || 0
           return aTime - bTime
         })
       }