Fix bounded S/R training portfolio calendars

app/services/backtest_service.py

@@ -33,7 +33,7 @@ import statistics
 from collections import defaultdict
 from collections.abc import Callable
 from concurrent.futures import ProcessPoolExecutor
-from datetime import date, datetime, timezone
+from datetime import date, datetime, timedelta, timezone
 from types import SimpleNamespace
 from typing import Any
 
@@ -1376,8 +1376,17 @@ def _simulate_portfolio(
         qualified_fn = _default_qualified
 
     entries_by_ord: dict[int, list[dict]] = defaultdict(list)
-    start_ord = start_date.toordinal() if start_date is not None else None
-    end_ord = end_date.toordinal() if end_date is not None else None
+    configured_start, configured_end = _backtest_entry_bounds()
+    effective_start = start_date if start_date is not None else configured_start
+    start_ord = effective_start.toordinal() if effective_start is not None else None
+    if end_date is not None:
+        # Explicit simulator/holdout end dates are exclusive split boundaries.
+        end_ord = end_date.toordinal()
+    elif configured_end is not None:
+        # BACKTEST_ENTRY_END is documented and applied as an inclusive bound.
+        end_ord = (configured_end + timedelta(days=1)).toordinal()
+    else:
+        end_ord = None
     for c in candidates:
         if not qualified_fn(c) or c.get("direction") != "long":
             continue