fix rezani pv a

backend/services/control/exporter_monolith.py

@@ -1290,6 +1290,20 @@ def _build_setpoints(
             forecast = int(pi.get("pv_a_forecast_solver_w") or 0)
             curtail = int(pi.get("pv_a_curtailed_w") or 0)
             pv_a_allowed = compute_pv_a_reg340_max_solar_w(int(pv_a_cap_w), forecast, curtail)
+            # Home-01 strategie: pokud jsou zároveň buy<0 i sell<0 a PV B vyrábí (necurtailable),
+            # chceme držet baterii „prázdnější“ pro PV B / další záporný nákup a PV A raději odstavit
+            # i když forecast PV A je nulový (predikce/telemetrie může být odpojená).
+            buy_raw = pi.get("effective_buy_price")
+            buy_f: float | None = float(buy_raw) if buy_raw is not None else None
+            pv_b = int(pi.get("pv_b_forecast_solver_w") or 0)
+            if (
+                buy_f is not None
+                and sell_f is not None
+                and float(buy_f) < 0.0
+                and float(sell_f) < 0.0
+                and pv_b > 0
+            ):
+                pv_a_allowed = 0
         return ControlSetpoints(
             battery_w=int(pi["battery_setpoint_w"] or 0),
             grid_export_limit=abs(min(grid_sp, 0)),

backend/tests/test_control_exporter_reg340.py

@@ -98,6 +98,22 @@ class BuildSetpointsReg340Tests(unittest.TestCase):
         assert sp is not None
         self.assertIsNone(sp.pv_a_allowed_w)
 
+    def test_neg_buy_and_sell_with_pv_b_forces_pv_a_off(self) -> None:
+        sp = _build_setpoints(
+            _auto_mode(),
+            _pi_base(
+                effective_buy_price=-3.0,
+                effective_sell_price=-2.0,
+                pv_b_forecast_solver_w=5000,
+                pv_a_forecast_solver_w=0,
+                pv_a_curtailed_w=0,
+            ),
+            pv_a_cap_w=3333,
+            inverter_manufacturer="Deye",
+        )
+        assert sp is not None
+        self.assertEqual(sp.pv_a_allowed_w, 0)
+
 
 class Reg340VerifyPolicyTests(unittest.TestCase):
     def test_reg340_not_critical_for_self_sustain(self) -> None: