feat: SAC Telegram settings view, notify_problem severity gate, exclusive docs

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

backend/app/services/telegram_notify.py

@@ -37,10 +37,14 @@ def _send_text(message: str) -> None:
         logger.exception("telegram send failed")
 
 
-def notify_event(event: Event) -> None:
+def _should_notify_severity(severity: str) -> bool:
     settings = get_settings()
     min_level = _severity_value(settings.telegram_min_severity)
-    if _severity_value(event.severity) < min_level:
+    return _severity_value(severity) >= min_level
+
+
+def notify_event(event: Event) -> None:
+    if not _should_notify_severity(event.severity):
         return
     host = event.host.hostname if event.host else "unknown"
     message = (
@@ -55,6 +59,8 @@ def notify_event(event: Event) -> None:
 
 
 def notify_problem(problem: Problem, event: Event | None = None) -> None:
+    if not _should_notify_severity(problem.severity):
+        return
     host = problem.host.hostname if problem.host else "unknown"
     related = ""
     if event is not None: