Expose device brightness as HA number entity

Add a Number platform to the HAOS integration so each LED target
with a brightness-capable device gets a 0-255 slider in Home
Assistant. Coordinator now fetches device list and brightness on
each poll cycle. Also enable chart animation in perf-charts.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

custom_components/wled_screen_controller/number.py

@@ -0,0 +1,112 @@
+"""Number platform for LED Screen Controller (device brightness)."""
+from __future__ import annotations
+
+import logging
+from typing import Any
+
+from homeassistant.components.number import NumberEntity, NumberMode
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from .const import DOMAIN, DATA_COORDINATOR, TARGET_TYPE_KEY_COLORS
+from .coordinator import WLEDScreenControllerCoordinator
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up LED Screen Controller brightness numbers."""
+    data = hass.data[DOMAIN][entry.entry_id]
+    coordinator: WLEDScreenControllerCoordinator = data[DATA_COORDINATOR]
+
+    entities = []
+    if coordinator.data and "targets" in coordinator.data:
+        devices = coordinator.data.get("devices") or {}
+
+        for target_id, target_data in coordinator.data["targets"].items():
+            info = target_data["info"]
+
+            # Only LED targets have a device_id
+            if info.get("target_type") == TARGET_TYPE_KEY_COLORS:
+                continue
+
+            device_id = info.get("device_id", "")
+            if not device_id:
+                continue
+
+            # Check if the device supports brightness control
+            device_data = devices.get(device_id)
+            if not device_data:
+                continue
+
+            capabilities = device_data.get("info", {}).get("capabilities") or []
+            if "brightness_control" not in capabilities:
+                continue
+
+            entities.append(
+                WLEDScreenControllerBrightness(
+                    coordinator, target_id, device_id, entry.entry_id,
+                )
+            )
+
+    async_add_entities(entities)
+
+
+class WLEDScreenControllerBrightness(CoordinatorEntity, NumberEntity):
+    """Brightness control for an LED device associated with a target."""
+
+    _attr_has_entity_name = True
+    _attr_native_min_value = 0
+    _attr_native_max_value = 255
+    _attr_native_step = 1
+    _attr_mode = NumberMode.SLIDER
+    _attr_icon = "mdi:brightness-6"
+
+    def __init__(
+        self,
+        coordinator: WLEDScreenControllerCoordinator,
+        target_id: str,
+        device_id: str,
+        entry_id: str,
+    ) -> None:
+        """Initialize the brightness number."""
+        super().__init__(coordinator)
+        self._target_id = target_id
+        self._device_id = device_id
+        self._entry_id = entry_id
+        self._attr_unique_id = f"{target_id}_brightness"
+        self._attr_translation_key = "brightness"
+
+    @property
+    def device_info(self) -> dict[str, Any]:
+        """Return device information."""
+        return {"identifiers": {(DOMAIN, self._target_id)}}
+
+    @property
+    def native_value(self) -> float | None:
+        """Return the current brightness value."""
+        if not self.coordinator.data:
+            return None
+        device_data = self.coordinator.data.get("devices", {}).get(self._device_id)
+        if not device_data:
+            return None
+        return device_data.get("brightness")
+
+    @property
+    def available(self) -> bool:
+        """Return if entity is available."""
+        if not self.coordinator.data:
+            return False
+        targets = self.coordinator.data.get("targets", {})
+        devices = self.coordinator.data.get("devices", {})
+        return self._target_id in targets and self._device_id in devices
+
+    async def async_set_native_value(self, value: float) -> None:
+        """Set brightness value."""
+        await self.coordinator.set_brightness(self._device_id, int(value))