feat(webapp): add billing limits settings page and org banners

Configure a spend limit, manage billing alerts, and surface org-wide banners.

Author: kathiekiwi

apps/webapp/app/components/billing/AnimatedOrgBannerBar.tsx

@@ -0,0 +1,57 @@
+import { ExclamationCircleIcon } from "@heroicons/react/20/solid";
+import { AnimatePresence, motion } from "framer-motion";
+import tileBgPath from "~/assets/images/error-banner-tile@2x.png";
+import { Icon } from "~/components/primitives/Icon";
+import { Paragraph } from "~/components/primitives/Paragraph";
+import { cn } from "~/utils/cn";
+
+type AnimatedOrgBannerBarProps = {
+  show: boolean;
+  variant: "warning" | "error";
+  children: React.ReactNode;
+  action?: React.ReactNode;
+};
+
+export function AnimatedOrgBannerBar({
+  show,
+  variant,
+  children,
+  action,
+}: AnimatedOrgBannerBarProps) {
+  return (
+    <AnimatePresence initial={false}>
+      {show ? (
+        <motion.div
+          className={cn(
+            "flex h-10 items-center justify-between overflow-hidden py-0 pl-3 pr-2",
+            variant === "warning"
+              ? "border-y border-amber-400/20 bg-warning/20"
+              : "border border-error bg-repeat"
+          )}
+          style={
+            variant === "error"
+              ? { backgroundImage: `url(${tileBgPath})`, backgroundSize: "8px 8px" }
+              : undefined
+          }
+          initial={{ opacity: 0, height: 0 }}
+          animate={{ opacity: 1, height: "2.5rem" }}
+          exit={{ opacity: 0, height: 0 }}
+        >
+          <div className="flex items-center gap-2">
+            <Icon
+              icon={ExclamationCircleIcon}
+              className={cn("h-5 w-5", variant === "warning" ? "text-amber-400" : "text-error")}
+            />
+            <Paragraph
+              variant="small"
+              className={variant === "warning" ? "text-amber-200" : "text-error"}
+            >
+              {children}
+            </Paragraph>
+          </div>
+          {action}
+        </motion.div>
+      ) : null}
+    </AnimatePresence>
+  );
+}