fix: convert UPN @sibcem.ru to @tcs.sibcem.ru for SD API

instruct/handlers.py

@@ -94,11 +94,11 @@ def get_ad_user_info(user_id: str) -> dict | None:
             raw_mail = str(entry.mail) if 'mail' in entry else ""
             # mail может быть "[]" (пустой LDAP объект), "" или "N/A" — фильтруем
             mail = raw_mail if raw_mail and raw_mail not in ("[]", "N/A", "") else None
-            # Fallback: используем UPN если mail пустой
+            # Fallback: используем UPN если mail пустой, конвертируем @sibcem.ru → @tcs.sibcem.ru
             if not mail:
                 raw_upn = str(entry.userPrincipalName) if 'userPrincipalName' in entry else ""
                 if raw_upn and raw_upn not in ("[]", "N/A", ""):
-                    mail = raw_upn
+                    mail = raw_upn.replace("@sibcem.ru", "@tcs.sibcem.ru")
             city = str(entry.l) if 'l' in entry and entry.l.value else "Кемерово"
             return {"cn": cn, "mail": mail, "city": city}
     except Exception as e:
@@ -216,7 +216,7 @@ async def create_sd_ticket_for_trueconf(user_id: str, cn: str) -> str | None:
 
     # Получаем email из AD
     ad_info = get_ad_user_info(user_id)
-    requester_email = ad_info.get("mail") or DEFAULT_REQUESTER
+    requester_email = ad_info.get("mail") or user_id or DEFAULT_REQUESTER
     city = ad_info.get("city", "Кемерово") if ad_info else "Кемерово"
 
     description = (