fix cutoff a grid peak shaving register

backend/tests/test_control_exporter_tou.py

@@ -9,7 +9,6 @@ from services.control.exporter_monolith import (
     ControlSetpoints,
     InverterConfig,
     _deye_reg178_verify_with_double_read,
-    _deye_reg179_verify_match,
     _deye_tou_params,
     _deye_tou_power_verify_match,
     _deye_zero_export_amps_for_passive,
@@ -55,11 +54,6 @@ class ModbusVerifyPolicyTests(unittest.TestCase):
         self.assertTrue(ok)
         self.assertEqual(v, 48)
 
-    def test_reg179_verify_match_only_bits_0_1(self) -> None:
-        # expected=3 (enable), actual can have other bits set but bits0-1 must match
-        self.assertTrue(_deye_reg179_verify_match(3, 0xFFFB))
-        self.assertFalse(_deye_reg179_verify_match(3, 0xFFFA))  # bits0-1=2
-
     def test_reg178_not_critical_for_self_sustain(self) -> None:
         self.assertFalse(deye_reg_triggers_self_sustain_after_verify_exhaust(178))
 

backend/tests/test_drop_registers_matching_last_verified.py

@@ -20,27 +20,3 @@ def test_drop_registers_keeps_reg178_when_mask_differs():
     assert out == registers
     assert skipped == []
 
-
-def test_drop_registers_keeps_reg179_when_mask_matches_but_not_clean():
-    registers = [(179, "control_board_special_1", 2)]  # want cutoff ON (clean value)
-    last_verified = {179: 0x1236}  # bits0–1 still == 2, but not a clean 2/3 value
-    out, skipped = _drop_registers_matching_last_verified(registers, last_verified)
-    assert out == registers
-    assert skipped == []
-
-
-def test_drop_registers_skips_reg179_when_clean_value_matches():
-    registers = [(179, "control_board_special_1", 2)]  # want cutoff ON (clean value)
-    last_verified = {179: 2}  # already clean cutoff ON
-    out, skipped = _drop_registers_matching_last_verified(registers, last_verified)
-    assert out == []
-    assert skipped == [179]
-
-
-def test_drop_registers_keeps_reg179_when_mask_differs():
-    registers = [(179, "control_board_special_1", 2)]  # want cutoff ON
-    last_verified = {179: 0x1237}  # ...0111b => bits0–1 == 3 (cutoff OFF)
-    out, skipped = _drop_registers_matching_last_verified(registers, last_verified)
-    assert out == registers
-    assert skipped == []
-