fix(workbench): serialize events and target work order sync

samples/peripheral/store.py

@@ -12,6 +12,7 @@ from psycopg.types.json import Jsonb
 
 from app.domain.schemas.shared import TimeRange
 from app.services.content_digest import digest
+from app.infra.db.postgresql.workbench_events import lock_event_transaction_sync
 
 from .errors import SampleFailure, ensure
 from .auth import Identity
@@ -113,6 +114,8 @@ class PostgresStore:
         lost = False
         try:
             with self.connection() as conn:
+                if "work_order" in key:
+                    lock_event_transaction_sync(conn)
                 conn.execute("SELECT pg_advisory_xact_lock(hashtextextended(%s,0))",
                              ("peripheral-sample:" + who.project_id,))
                 cached, request_digest = self._cached(conn, who, key, command)