fix(ac-0024): address 4 blockers: NUL byte in C identity, instance_key isolation, clear_warned gate, production wiring

Co-authored-by: genichin <4282227+genichin@users.noreply.github.com>

trex_core/application/snapshot_scheduler.py

@@ -49,6 +49,7 @@ class SnapshotScheduler:
         instance_key: str = "default",
         alarm_emitter: Optional[AlarmEmitter] = None,
         warn_store: Optional[ReconcileWarningStore] = None,
+        notification_store=None,
         credential_fetch_enabled: bool = False,
         kis_reinit_callback: Optional[Callable[[BrokerCredentialPayload], None]] = None,
         credential_refresh: Optional[Callable[[], object]] = None,
@@ -71,6 +72,8 @@ class SnapshotScheduler:
         self._alarm_emitter = alarm_emitter
         # BAT-050 / REQ-103: durable reconcile-warning store (Optional).
         self._warn_store = warn_store
+        # req-0007 / ac-0024: durable notification deduplication store (Optional).
+        self._notification_store = notification_store
         # dcy-036 / REQ-113/114/115: credential fetch opt-in + break-glass detection.
         # credential_fetch_enabled=False (default) → env-only, no portfolio-hub fetch.
         self._credential_fetch_enabled: bool = credential_fetch_enabled
@@ -312,6 +315,8 @@ class SnapshotScheduler:
                 slot_repo=self._slot_repo,
                 instance_key=self._instance_key,
                 warn_store=self._warn_store,
+                alarm_emitter=self._alarm_emitter,
+                notification_store=self._notification_store,
             )
         except Exception:  # noqa: BLE001
             _log.exception("reconciliation pass failed")
@@ -329,6 +334,7 @@ class SnapshotScheduler:
                         broker=self._broker, instance_key=self._instance_key,
                         alarm_emitter=self._alarm_emitter,  # dcy-033 / REQ-100
                         warn_store=self._warn_store,  # BAT-050 / REQ-103
+                        notification_store=self._notification_store,  # req-0007 / ac-0024
                     )
                 except Exception:  # noqa: BLE001
                     _log.exception("core-holding divergence reconcile failed")