zasadni uprava LP planneru

backend/tests/test_planning_dispatch_milp.py

@@ -1290,5 +1290,74 @@ class TerminalSocShadowTests(unittest.TestCase):
         )
 
 
+class SpreadGuardHome01EconomicsTests(unittest.TestCase):
+    """Regrese: sell≪buy (VT) nesmí vést k PV exportu + masivnímu grid importu ve stejném slotu."""
+
+    def test_loss_making_morning_and_vt_slot_avoid_export_and_grid_charge(self) -> None:
+        from test_planning_charge_slot_selection import (
+            _battery as mask_battery,
+            _select_charge_slots,
+            _select_discharge_export_slots,
+        )
+
+        base = datetime(2026, 5, 21, 8, 0, tzinfo=timezone.utc)
+        raw: list[tuple[float, float, int, int]] = [
+            (1.55, 0.01, 6_000, 2_000),
+            (1.55, 0.01, 6_500, 2_000),
+            (1.49, -0.04, 0, 3_500),
+            (0.86, 0.01, 0, 3_500),
+            (0.86, 0.01, 0, 3_500),
+            (0.86, 0.01, 5_000, 2_000),
+        ]
+        slots: list[PlanningSlot] = []
+        for i, (buy, sell, pv, load) in enumerate(raw):
+            slots.append(
+                PlanningSlot(
+                    interval_start=base + timedelta(minutes=15 * i),
+                    buy_price=buy,
+                    sell_price=sell,
+                    pv_a_forecast_w=0,
+                    pv_b_forecast_w=pv,
+                    load_baseline_w=load,
+                    ev1_connected=False,
+                    ev2_connected=False,
+                    is_predicted_price=False,
+                )
+            )
+        mb = mask_battery(uc_wh=64_000.0)
+        soc0 = 0.31 * mb.usable_capacity_wh
+        charge = _select_charge_slots(slots, mb, soc0)
+        discharge = _select_discharge_export_slots(slots, mb, soc0)
+        for t, s in enumerate(slots):
+            s.allow_charge = t in charge
+            s.allow_discharge_export = t in discharge
+
+        battery = _battery(uc_wh=64_000.0, terminal_soc_value_factor=0.9)
+        hp = SimpleNamespace(rated_heating_power_w=0, tuv_min_temp_c=45.0, tuv_target_temp_c=55.0)
+        grid = SimpleNamespace(max_import_power_w=20_000, max_export_power_w=20_000)
+        vehicles = [
+            SimpleNamespace(max_charge_power_w=0, battery_capacity_kwh=1.0, default_target_soc_pct=80.0),
+            SimpleNamespace(max_charge_power_w=0, battery_capacity_kwh=1.0, default_target_soc_pct=80.0),
+        ]
+        results, _ms, _ = solve_dispatch(
+            slots,
+            battery,
+            hp,
+            grid,
+            [None, None],
+            vehicles,
+            soc0,
+            50.0,
+            operating_mode="AUTO",
+        )
+        self.assertEqual(len(results), len(slots))
+        morning = results[0]
+        vt_before_nt = results[2]
+        self.assertLessEqual(morning.grid_setpoint_w, slots[0].load_baseline_w + 500)
+        self.assertNotEqual(morning.export_mode, "PV_SURPLUS")
+        self.assertLessEqual(vt_before_nt.grid_setpoint_w, 4_000)
+        self.assertLessEqual(vt_before_nt.battery_setpoint_w, 2_000)
+
+
 if __name__ == "__main__":
     unittest.main()