fix: defer background cleanup until pending display is confirmed

pigway_frame_flow/display/service.py

@@ -518,11 +518,11 @@ class DisplayService:
                 ) and self.blocked(op["device_id"]):
                     continue
                 payload = json.loads(op["payload"])
-                if op["action"] == "display":
-                    if op["client_id"] in (
-                        "scheduler",
-                        "scheduler-retry",
-                    ) and self.db.one(
+                if (
+                    op["action"] in ("display", "delete", "restore")
+                    and op["client_id"]
+                    in ("scheduler", "scheduler-retry", "cloud-library", "retention")
+                    and self.db.one(
                         "SELECT id FROM operations WHERE device_id=? AND action='display' "
                         "AND status='SYNCING' AND write_started=1 AND updated_at>? LIMIT 1",
                         (
@@ -532,10 +532,12 @@ class DisplayService:
                                 - timedelta(seconds=self.settings.sync_timeout)
                             ).isoformat(),
                         ),
-                    ):
-                        # Upload activates a new image upstream. Give the prior
-                        # image its existing confirmation window before replacing it.
-                        continue
+                    )
+                ):
+                    # Both upload and deletion update the cloud frame counter.
+                    # Automatic writes must not invalidate a pending display ack.
+                    continue
+                if op["action"] == "display":
                     priority = payload["options"]["priority"]
                     top = self.top(op["device_id"])
                     if top and priority < top["priority"]: