fix: show RDS break only on active or flap 302 events (0.3.4)

Hide Obryv RDS on 303 and on 302 after normal session end; keep for open sessions and RDG flap.

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

backend/app/services/rdg_session_flap.py

@@ -172,25 +172,73 @@ def find_rdg_end_after_success(db: Session, success_event: Event) -> Event | Non
     return None
 
 
+def find_normal_rdg_end_after_success(db: Session, success_event: Event) -> Event | None:
+    """303 после 302 с паузой больше flap-окна — штатное завершение сессии."""
+    if success_event.type != RDG_SUCCESS_TYPE:
+        return None
+    settings = get_settings()
+    max_sec = settings.sac_rdg_flap_window_max_sec
+    start_at = _as_utc(success_event.occurred_at)
+    after_flap = start_at + timedelta(seconds=max_sec)
+
+    candidates = db.scalars(
+        select(Event)
+        .where(
+            Event.host_id == success_event.host_id,
+            Event.type.in_(RDG_END_TYPES),
+            Event.occurred_at > after_flap,
+            Event.id != success_event.id,
+        )
+        .order_by(Event.occurred_at.asc())
+    ).all()
+
+    for end in candidates:
+        if not _users_match(end, success_event):
+            continue
+        if not _internal_ips_compatible(end, success_event):
+            continue
+        return end
+    return None
+
+
+def resolve_rdg_qwinsta_enabled(db: Session | None, event: Event) -> bool:
+    """Кнопка qwinsta/logoff только на 302, пока сессия может быть активна (или RDG flap)."""
+    if event.type in RDG_END_TYPES:
+        return False
+    if event.type != RDG_SUCCESS_TYPE:
+        return False
+    if not _event_internal_ip(event):
+        return False
+    if db is None:
+        return True
+    if find_rdg_end_after_success(db, event) is not None:
+        return True
+    if find_normal_rdg_end_after_success(db, event) is not None:
+        return False
+    return True
+
+
 def resolve_rdg_flap_summary(
     db: Session, event: Event
 ) -> tuple[bool, int | None, int | None]:
     """
     (rdg_flap, pair_event_id, qwinsta_event_id).
-    qwinsta_event_id — всегда 303; для 302 указывает на связанный end-event.
+    qwinsta_event_id — id события 302 для qwinsta (на 303 кнопку не показываем).
     """
     if event_has_rdg_flap(event):
         pair_id = _stored_flap_pair_id(event)
-        return True, pair_id, event.id
+        if event.type == RDG_SUCCESS_TYPE:
+            return True, pair_id, event.id
+        return True, pair_id, pair_id
 
     if event.type in RDG_END_TYPES:
         prior = find_rdg_success_before_end(db, event)
         if prior is not None:
-            return True, prior.id, event.id
+            return True, prior.id, prior.id
 
     if event.type == RDG_SUCCESS_TYPE:
         end = find_rdg_end_after_success(db, event)
         if end is not None:
-            return True, end.id, end.id
+            return True, end.id, event.id
 
     return False, None, None