Update sub-component batteries from parent HA entity in poller and live sync

app.py

@@ -804,8 +804,8 @@ def create_app(config_object="config"):
             ha_live_pct = ha_client.get_state(device.ha_entity_id, timeout=1)
             if ha_live_pct is not None:
                 changed = False
-                for battery in device.batteries:
-                    if battery.status == "installed" and battery.battery_percentage != ha_live_pct:
+                for battery in device.installed_batteries():
+                    if battery.battery_percentage != ha_live_pct:
                         battery.battery_percentage = ha_live_pct
                         db.add(BatteryPctLog(
                             battery_id=battery.id,
@@ -1144,15 +1144,7 @@ def create_app(config_object="config"):
             return redirect(url_for("device_detail", device_id=device_id))
         increment = 1 if request.form.get("increment_cycles") else 0
         notes = request.form.get("notes", "").strip() or None
-        if device.has_children():
-            installed = [
-                b
-                for child in device.children
-                for b in child.batteries
-                if b.status == "installed"
-            ]
-        else:
-            installed = [b for b in device.batteries if b.status == "installed"]
+        installed = device.installed_batteries()
         if not installed:
             flash("No installed batteries to log.", "warning")
             return redirect(url_for("device_detail", device_id=device_id))