diff --git a/backend/app.py b/backend/app.py
index a70ac4a..2774c8f 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -154,21 +154,19 @@ def list_sessions():
             session_files = []
             total_bytes = 0
             has_disks = False
-            for f in sorted(in_dir.iterdir()):
-                if f.is_file():
-                    sz = f.stat().st_size
-                    session_files.append({"name": f.name, "size_bytes": sz, "size_gb": round(sz / (1024**3), 1)})
-                    total_bytes += sz
-                elif f.is_dir():
-                    for df in f.rglob("*"):
-                        if df.is_file() and df.suffix.lower() in {".vmdk", ".qcow2", ".img", ".raw", ".vhd", ".vhdx"}:
-                            has_disks = True
-                            break
+            all_files = sorted([f for f in in_dir.rglob("*") if f.is_file()], key=lambda f: f.stat().st_size, reverse=True)
+            for f in all_files:
+                sz = f.stat().st_size
+                total_bytes += sz
+                rel = str(f.relative_to(in_dir))
+                session_files.append({"name": rel, "size_bytes": sz, "size_gb": round(sz / (1024**3), 1)})
+                if f.suffix.lower() in {".vmdk", ".qcow2", ".img", ".raw", ".vhd", ".vhdx"}:
+                    has_disks = True
             if not session_files:
                 continue
             sessions.append({
                 "session_id": entry.name,
-                "files": session_files,
+                "files": session_files[:10],
                 "total_size_gb": round(total_bytes / (1024**3), 1),
                 "has_disks": has_disks,
             })