MAINT-28: reset the hold every cycle, test it; digests vs 1b5f7c9; DECISIONS numbers and mutants

Co-Authored-By: Claude <noreply@anthropic.com>

goodwe_controller/app/ctl_cycle.py

@@ -537,6 +537,8 @@ class CycleMixin:
 
         # maintenance  ⚠️ ONE PASS PER PACK, AND `arbitrate()` IS WHY THE LIST
         # STAYS SHORT. (DECISIONS/MAIN-orchestration-archive.md)
+        # MAINT-28: the hold lives only while the charge-only branch is taken.
+        _peak_held, self._maint_peak_hold = self._maint_peak_hold, False
         for inv, result in zip(self.inverters, maint_results):
             if result.owns_setpoint:
                 # PER-INVERTER: §12's recalibration is a PACK procedure, filed
@@ -569,7 +571,7 @@ class CycleMixin:
                 house = (None if self.grid is None or self.site_batt_w is None
                          else float(self.grid) + float(self.site_batt_w))
                 self._maint_peak_hold = peakguard.shaping_held(
-                    self._maint_peak_hold and len(self.inverters) > 1,
+                    _peak_held and len(self.inverters) > 1,
                     self.peak_guard, self.peak_fc,
                     maint_aim, house)
                 if self._maint_peak_hold: