Branch 4: BA81 GEN cutoff audit + exekuce při sell<0

backend/tests/test_control_export_plan_guard.py

@@ -59,6 +59,7 @@ class ExportPlanGuardTests(unittest.TestCase):
         self.assertEqual(out.grid_export_limit, 0)
         self.assertGreaterEqual(out.grid_setpoint_w, 0)
         self.assertEqual(out.export_mode, "NONE")
+        self.assertTrue(out.deye_gen_cutoff_enabled)
 
     def test_export_mode_none_with_non_negative_grid(self) -> None:
         sp = _sp(grid_setpoint_w=0, battery_w=-5000, export_mode="BATTERY_SELL")

backend/tests/test_control_exporter_tou.py

@@ -11,6 +11,7 @@ from services.control.exporter_monolith import (
     _deye_reg178_verify_with_double_read,
     _deye_tou_params,
     _deye_tou_power_verify_match,
+    deye_mi_export_cutoff_want_enabled,
     deye_reg_triggers_self_sustain_after_verify_exhaust,
     get_deye_mode,
 )
@@ -114,6 +115,36 @@ class DeyeTouParamsTests(unittest.TestCase):
         )
         self.assertEqual(get_deye_mode(sp), "PASSIVE")
 
+    def test_mi_export_cutoff_on_export_ban_without_plan_flag(self) -> None:
+        self.assertTrue(
+            deye_mi_export_cutoff_want_enabled(
+                gen_microinverter_cutoff_enabled=True,
+                deye_gen_cutoff_enabled=False,
+                export_ban=True,
+                deye_mode="PASSIVE",
+            )
+        )
+
+    def test_mi_export_cutoff_off_when_sell_mode(self) -> None:
+        self.assertFalse(
+            deye_mi_export_cutoff_want_enabled(
+                gen_microinverter_cutoff_enabled=True,
+                deye_gen_cutoff_enabled=True,
+                export_ban=True,
+                deye_mode="SELL",
+            )
+        )
+
+    def test_mi_export_cutoff_off_without_feature_flag(self) -> None:
+        self.assertFalse(
+            deye_mi_export_cutoff_want_enabled(
+                gen_microinverter_cutoff_enabled=False,
+                deye_gen_cutoff_enabled=True,
+                export_ban=True,
+                deye_mode="PASSIVE",
+            )
+        )
+
     def test_build_setpoints_uses_explicit_export_limit(self) -> None:
         mode = OperatingModeInfo(
             mode_code="AUTO",

backend/tests/test_planning_dispatch_milp.py

@@ -2208,6 +2208,10 @@ class NegativeSellPvChargeTests(unittest.TestCase):
         for r in results:
             self.assertGreaterEqual(r.battery_setpoint_w, 0, "neg sell má nabíjet")
             self.assertGreaterEqual(r.grid_setpoint_w, 0, "neg sell bez exportu do sítě")
+            self.assertTrue(
+                r.deye_gen_cutoff_enabled,
+                "neg sell bez exportu → GEN cut-off ON (exekuce reg 178)",
+            )
 
     def test_ba81_fixed_purchase_nt_vt_buy_spread_neg_sell_no_export(self) -> None:
         """BA81: NT/VT buy v horizontu (rozptyl >0,25) — záporný sell stále bez exportu."""