fix(execution): cancel SQL nullable type error, KIS child cancel detection, worker exception logging

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

trex_core/adapters/broker/kis.py

@@ -440,6 +440,25 @@ class KISBroker:
                     "inquiry_date": inquiry_date,
                 },
             )
+        # dcy-013 ext: KIS sometimes records an external cancel as a separate
+        # child row with orgn_odno=<original> and cncl_yn="Y" rather than
+        # setting cncl_yn on the original row.  Scan sibling rows to detect
+        # this case.  Correction (정정) children will NOT have cncl_yn="Y" so
+        # they are not misclassified as cancels here.
+        child_cancel_row = next(
+            (
+                r
+                for r in rows
+                if (str(r.get("orgn_odno") or "").strip().lstrip("0") or "0") == normalized_odno
+                and str(r.get("cncl_yn") or "").strip().upper() == "Y"
+            ),
+            None,
+        )
+        if child_cancel_row is not None and str(row.get("cncl_yn") or "").strip().upper() != "Y":
+            # Inject the cancel signal from the child row into the parent row so
+            # _fill_status_from_row can treat it as cancelled, while keeping
+            # the original row's fill quantities authoritative.
+            row = {**row, "cncl_yn": "Y", "_child_cancel_odno": str(child_cancel_row.get("odno") or "")}
         status = self._fill_status_from_row(
             row, side=side, today=inquiry_date, fallback_odno=odno
         )

trex_core/adapters/persistence/postgresql.py

@@ -385,20 +385,37 @@ class PostgreSQLSlotRepository:
         *,
         retry_before: Optional[datetime] = None,
     ) -> bool:
-        """Atomically reserve first cancel or an authoritative backoff-gated retry."""
+        """Atomically reserve first cancel or an authoritative backoff-gated retry.
+
+        Two separate SQL paths avoid nullable-placeholder type-inference errors
+        (PostgreSQL IndeterminateDatatype when binding None to %s IS NOT NULL).
+        """
         now = datetime.now(tz=timezone.utc)
         with self._psycopg.connect(self._dsn, autocommit=False) as conn:
             with conn.cursor() as cur:
-                cur.execute(
-                    "UPDATE daily_slot SET cancel_state='unknown', cancel_requested_at=%s, "
-                    "cancel_attempts=cancel_attempts+1, updated_at=%s "
-                    "WHERE slot_id=%s AND broker_order_id=%s "
-                    "AND status IN ('pending_buy','pending_sell') "
-                    "AND (cancel_state IS NULL OR "
-                    "(%s IS NOT NULL AND cancel_state IN ('rejected','unknown') "
-                    "AND cancel_attempts < 4 AND cancel_requested_at <= %s))",
-                    (now, now, slot_id, broker_order_id, retry_before, retry_before),
-                )
+                if retry_before is None:
+                    # First reservation: only match when no cancel has been
+                    # attempted yet (cancel_state IS NULL).
+                    cur.execute(
+                        "UPDATE daily_slot SET cancel_state='unknown', cancel_requested_at=%s, "
+                        "cancel_attempts=cancel_attempts+1, updated_at=%s "
+                        "WHERE slot_id=%s AND broker_order_id=%s "
+                        "AND status IN ('pending_buy','pending_sell') "
+                        "AND cancel_state IS NULL",
+                        (now, now, slot_id, broker_order_id),
+                    )
+                else:
+                    # Retry: backoff-gated, only match retryable states.
+                    cur.execute(
+                        "UPDATE daily_slot SET cancel_state='unknown', cancel_requested_at=%s, "
+                        "cancel_attempts=cancel_attempts+1, updated_at=%s "
+                        "WHERE slot_id=%s AND broker_order_id=%s "
+                        "AND status IN ('pending_buy','pending_sell') "
+                        "AND cancel_state IN ('rejected','unknown') "
+                        "AND cancel_attempts < 4 "
+                        "AND cancel_requested_at <= %s",
+                        (now, now, slot_id, broker_order_id, retry_before),
+                    )
                 ok = cur.rowcount == 1
                 conn.commit()
                 return ok

trex_core/runtime/daemon.py

@@ -409,7 +409,7 @@ class Daemon:
             try:
                 self.execution.run_once()
             except Exception:  # noqa: BLE001 - loop must survive transient errors
-                continue
+                _log.exception("execution loop error — worker continues")
 
     def _ledger_loop(self) -> None:
         while not self.stop.wait(self.config.ledger_interval_sec):