release: v0.6.1

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "manifoldbt"
-version = "0.6.0"
+version = "0.6.1"
 description = "Rust-powered backtesting engine for quantitative research"
 requires-python = ">=3.9"
 license = { file = "LICENSE" }

python/manifoldbt/__init__.py

@@ -135,14 +135,6 @@ def _require_pro(feature: str) -> None:
     raise SystemExit(0)
 
 
-def _gate_pro(feature: str) -> bool:
-    """Check Pro license. Returns True if Pro, False if Community (with warning)."""
-    if _is_pro():
-        return True
-    _warn_pro(feature)
-    return False
-
-
 def _classify_error(exc: Exception) -> Exception:
     """Wrap a Rust ValueError/RuntimeError in a more specific exception."""
     msg = str(exc)
@@ -814,8 +806,10 @@ def run_walk_forward(
     Returns:
         Dict with ``folds`` and ``best_params_per_fold``.
     """
-    if not _gate_pro("Walk-forward optimization"):
-        return {"folds": [], "best_params_per_fold": []}
+    # Pro gate (friendly message + clean exit). Real enforcement lives natively
+    # in `py_run_walk_forward` (check_feature("walk_forward")), so this cannot be
+    # bypassed by calling the native function directly.
+    _require_pro("Walk-forward optimization")
     config = _prepare_config(config, strategy, store)
     wf_json = json.dumps(_convert_param_grid_in_config(wf_config))
     return _run_walk_forward_native(strategy.to_json(), wf_json, config.to_json(), store)

python/manifoldbt/diagnostics.py

@@ -9,6 +9,9 @@ import numpy as np
 
 _EMPTY_TS = np.array([], dtype="datetime64[ns]")
 
+# Pro-gated feature label (see _require_pro). Single source to avoid drift.
+_SAFETY_PRO_FEATURE = "Safety checks (lookahead, exposure)"
+
 
 @dataclass
 class LookaheadReport:
@@ -277,6 +280,9 @@ def detect_lookahead(
     Returns:
         DiagnosticsResult with ``.passed``, ``.assert_clean()``, ``print()``.
     """
+    from manifoldbt import _require_pro
+    _require_pro(_SAFETY_PRO_FEATURE)
+
     from manifoldbt.plot._convert import trades_arrays
     from manifoldbt._native import (
         load_and_align as _load_and_align,
@@ -509,6 +515,9 @@ def risk_check(
         print(report)
         report.assert_clean()
     """
+    from manifoldbt import _require_pro
+    _require_pro(_SAFETY_PRO_FEATURE)
+
     from manifoldbt.plot._convert import positions_arrays
 
     pos = positions_arrays(result)
@@ -796,6 +805,9 @@ def check_exposure_stability(
         print(report)
         report.assert_clean()
     """
+    from manifoldbt import _require_pro
+    _require_pro(_SAFETY_PRO_FEATURE)
+
     from manifoldbt._native import (
         load_and_align as _load_and_align,
         run_on_aligned as _run_on_aligned,

python/manifoldbt/plot/tearsheet.py

@@ -217,6 +217,9 @@ def tearsheet(
     Returns the HTML string. Opens in browser when ``show=True``,
     writes to disk when ``save`` is given.
     """
+    from manifoldbt import _require_pro
+    _require_pro("Tearsheets & export")
+
     _ = benchmark  # reserved for future benchmark overlay support
     strategy_name = title or auto_title(result, "Backtest")
     metrics = result.metrics if hasattr(result, "metrics") else {}