fix: harden unmanaged position lifecycle writes

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

tests/runtime/test_cli_operator.py

@@ -741,6 +741,53 @@ def test_unmanaged_record_text_output(monkeypatch, capsys):
     assert "evidence_ref=kis-balance:2026-09-11" in out
 
 
+def test_unmanaged_record_main_dispatch(monkeypatch, capsys):
+    class _Store:
+        def __init__(self, *_args, **_kwargs):
+            pass
+
+        def record_operator_action(self, **kwargs):
+            return {
+                "instance_key": "default",
+                "symbol": kwargs["symbol"],
+                "quantity": 3,
+                "lifecycle_state": "active",
+                "first_seen_at": "2026-09-07T00:00:00+00:00",
+                "last_seen_at": "2026-09-11T00:00:00+00:00",
+                "quantity_changed_at": "2026-09-07T00:00:00+00:00",
+                "resolved_at": None,
+                "operator_action": kwargs["action"],
+                "evidence_ref": kwargs["evidence_ref"],
+                "operator_note": kwargs["note"],
+                "operator_actor": kwargs["actor"],
+                "operator_updated_at": "2026-09-11T00:00:00+00:00",
+                "created_at": "2026-09-07T00:00:00+00:00",
+                "updated_at": "2026-09-11T00:00:00+00:00",
+            }
+
+    monkeypatch.setattr(
+        "trex_core.adapters.portfolio.unmanaged_position_store.PostgreSQLUnmanagedPositionStore",
+        _Store,
+    )
+
+    rc = cli.main(
+        [
+            "unmanaged",
+            "record",
+            "008110",
+            "investigating",
+            "--evidence-ref",
+            "kis-balance:2026-09-11",
+            "--json",
+        ]
+    )
+
+    assert rc == 0
+    out = json.loads(capsys.readouterr().out)
+    assert out["result"] == "recorded"
+    assert out["state"]["symbol"] == "008110"
+
+
 # ---------------------------------------------------------------------------
 # REL-010 regression: _cmd_verify broker import must not raise ImportError
 # ---------------------------------------------------------------------------

trex_core/adapters/portfolio/unmanaged_position_store.py

@@ -31,6 +31,8 @@ class PostgreSQLUnmanagedPositionStore:
         actor: str = "reconcile",
     ) -> dict:
         now = observed_at or datetime.now(tz=UTC)
+        for _attempt in range(2):
+            try:
                 with self._psycopg.connect(self._dsn, autocommit=False) as conn, conn.cursor() as cur:
                     cur.execute(
                         f"SELECT {_STATE_COLUMNS} FROM unmanaged_position_state "
@@ -107,6 +109,11 @@ class PostgreSQLUnmanagedPositionStore:
                         "previous_quantity": previous_quantity,
                         "state": state,
                     }
+            except self._psycopg.errors.UniqueViolation:
+                continue
+        raise RuntimeError(
+            "failed to persist unmanaged_position_state due to repeated concurrent insert race"
+        )
 
     def resolve_absent(
         self,