Fix infinite recursion in 3x-ui server ensure/get helpers.

ensure_xui_servers no longer calls get_xui_server when mirroring the primary panel into legacy sync fields.

Co-authored-by: Cursor <cursoragent@cursor.com>

managers/xui_servers.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-import secrets
 import uuid
 from typing import Any, Optional
 
@@ -59,14 +58,18 @@ def ensure_xui_servers(settings: dict) -> list:
         migrated = legacy_sync_to_server(settings.get('sync') or {})
         if migrated:
             servers = [migrated]
-            settings['xui_servers'] = servers
-    else:
-        settings['xui_servers'] = servers
+    settings['xui_servers'] = servers
 
-    # Keep legacy sync.* mirrored from first/default for older code paths
+    # Mirror primary into legacy sync.* for older code paths (no get_xui_server — avoids recursion)
     sync = settings.setdefault('sync', {})
-    primary = get_xui_server(settings, None) or {}
-    if primary.get('url'):
+    primary = None
+    for s in servers:
+        if s.get('enabled'):
+            primary = s
+            break
+    if primary is None and servers:
+        primary = servers[0]
+    if primary and primary.get('url'):
         sync.setdefault('xui_url', primary.get('url') or '')
         sync.setdefault('xui_sub_url', primary.get('sub_url') or '')
         sync.setdefault('xui_api_token', primary.get('api_token') or '')
@@ -91,7 +94,7 @@ def get_xui_server(settings: dict, panel_id: Optional[str] = None) -> Optional[d
         for s in servers:
             if str(s.get('id')) == str(panel_id):
                 return s
-    # Prefer enabled
+        return None
     for s in servers:
         if s.get('enabled'):
             return s