fix: tighten ledger skip CLI auditing

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

trex_core/adapters/persistence/ledger_skip_store.py

@@ -41,8 +41,8 @@ class PostgreSQLLedgerSkipStore:
         now = datetime.now(tz=UTC)
         notify = False
         for _ in range(2):
-            with self._psycopg.connect(self._dsn, autocommit=False) as conn, conn.cursor() as cur:
-                try:
+            try:
+                with self._psycopg.connect(self._dsn, autocommit=False) as conn, conn.cursor() as cur:
                     cur.execute(
                         "INSERT INTO ledger_skip "
                         "(skip_key, instance_key, slot_id, portfolio_id, symbol, order_id, "
@@ -72,8 +72,8 @@ class PostgreSQLLedgerSkipStore:
                     conn.commit()
                     notify = True
                     break
-                except self._psycopg.errors.UniqueViolation:
-                    conn.rollback()
+            except self._psycopg.errors.UniqueViolation:
+                with self._psycopg.connect(self._dsn, autocommit=False) as conn, conn.cursor() as cur:
                     cur.execute(
                         "SELECT status FROM ledger_skip WHERE skip_key = %s FOR UPDATE",
                         (skip_key,),