feat: notify RD Gateway events in Telegram outside min_severity

Route rdg.connection.* through notify_rdg_connection and add disconnected type.

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

backend/app/api/v1/events.py

@@ -21,11 +21,13 @@ from app.services.notify_dispatch import (
     AUTH_LOGIN_SUCCESS_TYPES,
     DAILY_REPORT_EVENT_TYPES,
     LIFECYCLE_EVENT_TYPE,
+    RDG_CONNECTION_TYPES,
     notify_auth_login,
     notify_daily_report,
     notify_event,
     notify_lifecycle,
     notify_problem,
+    notify_rdg_connection,
 )
 
 router = APIRouter(prefix="/events", tags=["events"])
@@ -79,6 +81,8 @@ def post_event(
             notify_lifecycle(event, db=db)
         elif event.type in AUTH_LOGIN_SUCCESS_TYPES:
             notify_auth_login(event, db=db)
+        elif event.type in RDG_CONNECTION_TYPES:
+            notify_rdg_connection(event, db=db)
         else:
             notify_event(event, db=db)
         if problem is not None and problem_created:

backend/app/services/notify_dispatch.py

@@ -15,6 +15,11 @@ logger = logging.getLogger(__name__)
 LIFECYCLE_EVENT_TYPE = "agent.lifecycle"
 DAILY_REPORT_EVENT_TYPES = frozenset({"report.daily.ssh", "report.daily.rdp"})
 AUTH_LOGIN_SUCCESS_TYPES = frozenset({"rdp.login.success", "ssh.login.success"})
+RDG_CONNECTION_TYPES = frozenset({
+    "rdg.connection.success",
+    "rdg.connection.disconnected",
+    "rdg.connection.failed",
+})
 
 
 def _event_telegram_via_agent(event: Event) -> bool:
@@ -94,3 +99,11 @@ def notify_auth_login(event: Event, *, db: Session | None = None) -> None:
     if not should_notify_event(event, db):
         return
     _dispatch_lifecycle_channels(event, db=db, policy=policy)
+
+
+def notify_rdg_connection(event: Event, *, db: Session | None = None) -> None:
+    """RD Gateway 302/303 — ingest всегда; Telegram SAC вне min_severity (как auth login)."""
+    policy = get_effective_notification_policy(db)
+    if not should_notify_event(event, db):
+        return
+    _dispatch_lifecycle_channels(event, db=db, policy=policy)

backend/app/services/telegram_templates.py

@@ -428,8 +428,12 @@ def format_event_telegram_html(event: Event) -> str:
 
 def _format_rdg_html(event: Event) -> str:
     details = _details_dict(event)
-    ok = event.type.endswith(".success")
-    header = "✅ RD Gateway: подключение" if ok else "❌ RD Gateway: ошибка"
+    if event.type.endswith(".success"):
+        header = "✅ RD Gateway: подключение"
+    elif event.type.endswith(".disconnected"):
+        header = "ℹ️ RD Gateway: отключение"
+    else:
+        header = "❌ RD Gateway: ошибка"
     msg = f"<b>{header}</b>\n"
     msg += _line("👤", "Пользователь", html_escape(_detail(details, "user", "username")))
     msg += _line("🏢", "Хост", host_label(event.host))

backend/tests/test_notify_dispatch.py

@@ -116,6 +116,33 @@ def test_notify_auth_login_bypasses_min_severity():
     mock_tg.notify_event.assert_called_once()
 
 
+def test_notify_rdg_connection_bypasses_min_severity():
+    event = Event(
+        event_id="00000000-0000-4000-8000-000000000603",
+        host_id=1,
+        occurred_at=datetime(2026, 5, 31, 18, 36, tzinfo=timezone.utc),
+        category="auth",
+        type="rdg.connection.success",
+        severity="info",
+        title="RD Gateway event 302",
+        summary="RDG 302 papatramp -> 192.168.160.3",
+        details={"telegram_via": "sac"},
+        payload={},
+    )
+    policy = NotificationPolicyConfig(
+        min_severity="warning",
+        use_telegram=True,
+        use_webhook=False,
+        use_email=False,
+        source="db",
+    )
+    with patch.object(notify_dispatch, "get_effective_notification_policy", return_value=policy):
+        with patch.object(notify_dispatch, "should_notify_event", return_value=True):
+            with patch.object(notify_dispatch, "telegram_notify") as mock_tg:
+                notify_dispatch.notify_rdg_connection(event)
+    mock_tg.notify_event.assert_called_once()
+
+
 def test_notify_auth_login_skips_telegram_when_via_agent():
     event = Event(
         event_id="00000000-0000-4000-8000-000000000602",