fix: WinRM NTLM username normalize and hostname-first targets (0.10.3)

backend/app/services/win_admin_settings.py

@@ -21,10 +21,22 @@ class WinAdminConfig:
         return bool(self.user.strip() and self.password.strip())
 
 
+def normalize_win_admin_user(user: str) -> str:
+    """DOMAIN\\user — один обратный слэш; убрать лишнее экранирование из env/UI."""
+    text = user.strip()
+    if not text:
+        return ""
+    text = text.replace("\\\\", "\\")
+    if "\\" not in text and "@" not in text and "/" not in text:
+        # NETBIOS\user без слэша — не трогаем (оператор допишет в UI)
+        return text
+    return text
+
+
 def _win_admin_from_env() -> WinAdminConfig:
     settings = get_settings()
     return WinAdminConfig(
-        user=settings.sac_win_admin_user.strip(),
+        user=normalize_win_admin_user(settings.sac_win_admin_user),
         password=settings.sac_win_admin_password,
         source="env",
     )
@@ -45,7 +57,7 @@ def get_effective_win_admin_config(db: Session | None = None) -> WinAdminConfig:
     if row is None:
         return env_cfg
 
-    user = (row.win_admin_user or "").strip() or env_cfg.user
+    user = normalize_win_admin_user((row.win_admin_user or "").strip() or env_cfg.user)
     password = (row.win_admin_password or "") or env_cfg.password
     has_db_values = bool((row.win_admin_user or "").strip() or (row.win_admin_password or "").strip())
     return WinAdminConfig(
@@ -73,7 +85,7 @@ def upsert_win_admin_settings(
         db.add(row)
 
     if user is not None and user.strip():
-        row.win_admin_user = user.strip()
+        row.win_admin_user = normalize_win_admin_user(user)
     if password is not None and password.strip():
         row.win_admin_password = password