frigate/web/src/components/config-form/theme/templates/DescriptionFieldTemplate.tsx

// Description Field Template
import type { DescriptionFieldProps } from "@rjsf/utils";
import { useTranslation } from "react-i18next";
import { ConfigFormContext } from "@/types/configForm";

export function DescriptionFieldTemplate(props: DescriptionFieldProps) {
  const { description, id } = props;
  const formContext = (
    props as { registry?: { formContext?: ConfigFormContext } }
  ).registry?.formContext;

  const isCameraLevel = formContext?.level === "camera";
  const sectionI18nPrefix = formContext?.sectionI18nPrefix;
  const effectiveNamespace = isCameraLevel ? "config/cameras" : "config/global";

  const { t, i18n } = useTranslation([effectiveNamespace, "common"]);

  let resolvedDescription = description;

  // Support nested keys for both camera-level and consolidated global namespace
  if (sectionI18nPrefix && effectiveNamespace) {
    const descriptionKey = `${sectionI18nPrefix}.description`;
    if (i18n.exists(descriptionKey, { ns: effectiveNamespace })) {
      resolvedDescription = t(descriptionKey, { ns: effectiveNamespace });
    }
  }

  if (!resolvedDescription) {
    return null;
  }

  return (
    <span id={id} className="text-sm text-muted-foreground">
      {resolvedDescription}
    </span>
  );
}