Add Airzone diagnostics (#69362)

Co-authored-by: J. Nick Koston <nick@koston.org>

homeassistant/components/airzone/diagnostics.py

@@ -0,0 +1,29 @@
+"""Support for the Airzone diagnostics."""
+from __future__ import annotations
+
+from typing import Any
+
+from aioairzone.const import AZD_MAC
+
+from homeassistant.components.diagnostics.util import async_redact_data
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+
+from .const import DOMAIN
+from .coordinator import AirzoneUpdateCoordinator
+
+TO_REDACT = [
+    AZD_MAC,
+]
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, config_entry: ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator: AirzoneUpdateCoordinator = hass.data[DOMAIN][config_entry.entry_id]
+
+    return {
+        "info": async_redact_data(config_entry.data, TO_REDACT),
+        "data": async_redact_data(coordinator.data, TO_REDACT),
+    }