feat: always notify agent.lifecycle via SAC with telegram_via routing

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

backend/app/services/notify_dispatch.py

@@ -12,6 +12,14 @@ from app.services.notification_severity import severity_meets_minimum
 
 logger = logging.getLogger(__name__)
 
+LIFECYCLE_EVENT_TYPE = "agent.lifecycle"
+
+
+def _event_telegram_via_agent(event: Event) -> bool:
+    details = event.details if isinstance(event.details, dict) else {}
+    via = str(details.get("telegram_via") or "").strip().lower()
+    return via == "agent"
+
 
 def _dispatch_event_channels(event: Event, *, db: Session | None, policy) -> None:
     if policy.use_telegram:
@@ -49,9 +57,27 @@ def notify_problem(problem: Problem, event: Event | None = None, *, db: Session
     _dispatch_problem_channels(problem, event, db=db, policy=policy)
 
 
+def _dispatch_lifecycle_channels(event: Event, *, db: Session | None, policy) -> None:
+    skip_telegram = _event_telegram_via_agent(event)
+    if policy.use_telegram and not skip_telegram:
+        telegram_notify.notify_event(event, db=db, apply_policy_gate=False)
+    if policy.use_webhook:
+        webhook_notify.notify_event(event, db=db, apply_policy_gate=False)
+    if policy.use_email:
+        email_notify.notify_event(event, db=db, apply_policy_gate=False)
+
+
 def notify_daily_report(event: Event, *, db: Session | None = None) -> None:
     """Оповещение по суточному отчёту (severity=info, вне порога policy)."""
     policy = get_effective_notification_policy(db)
     if not should_notify_event(event, db):
         return
     _dispatch_event_channels(event, db=db, policy=policy)
+
+
+def notify_lifecycle(event: Event, *, db: Session | None = None) -> None:
+    """Старт/стоп/reload агента — всегда в каналы SAC (кроме TG, если telegram_via=agent)."""
+    policy = get_effective_notification_policy(db)
+    if not should_notify_event(event, db):
+        return
+    _dispatch_lifecycle_channels(event, db=db, policy=policy)