deye ridi maximalni flow do baterie hlavne z gridu

backend/tests/test_planning_dispatch_milp.py

@@ -259,5 +259,58 @@ class PlanningDispatchMilpTests(unittest.TestCase):
                 )
 
 
+    def test_grid_import_cap_allows_full_bms_charge_above_breaker(self) -> None:
+        """
+        Cheap buy, load 3.7 kW, PV malé → breaker 17 kW limituje gi, ale bc musí moct být
+        plných BMS 18 kW (Deye reg 128 + firmware throttling chrání jistič fyzicky).
+        """
+        slots = [
+            _slot(load=3700, buy=0.4, sell=-0.3, pv_a=0, pv_b=1500),
+            _slot(load=2000, buy=5.0, sell=4.5, pv_a=0, pv_b=0),
+            _slot(load=2000, buy=5.0, sell=4.5, pv_a=0, pv_b=0),
+        ]
+        battery = _battery(uc_wh=64_000.0, min_pct=12.0, arb_pct=20.0)
+        battery.max_charge_power_w = 18_000
+        battery.max_discharge_power_w = 18_000
+        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=17_000, max_export_power_w=13_500)
+        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,
+            ),
+        ]
+        soc0 = 0.55 * battery.usable_capacity_wh
+        results, _ms = solve_dispatch(
+            slots,
+            battery,
+            hp,
+            grid,
+            [None, None],
+            vehicles,
+            soc0,
+            50.0,
+            tuv_delta_stats=None,
+            operating_mode="AUTO",
+            price_failsafe_active=False,
+        )
+        self.assertEqual(len(results), 3)
+        self.assertGreaterEqual(
+            results[0].battery_setpoint_w,
+            17_500,
+            msg="LP must be able to target near-BMS-max charge even when gi would exceed breaker",
+        )
+
+
 if __name__ == "__main__":
     unittest.main()