feat(ui): restyle Card and improve tool error cards (#16888)

Co-authored-by: Adam <2363879+adamdotdevin@users.noreply.github.com>

packages/ui/src/components/card.tsx

@@ -1,16 +1,57 @@
 import { type ComponentProps, splitProps } from "solid-js"
+import { Icon, type IconProps } from "./icon"
+
+type Variant = "normal" | "error" | "warning" | "success" | "info"
 
 export interface CardProps extends ComponentProps<"div"> {
-  variant?: "normal" | "error" | "warning" | "success" | "info"
+  variant?: Variant
+}
+
+export interface CardTitleProps extends ComponentProps<"div"> {
+  variant?: Variant
+
+  /**
+   * Optional title icon.
+   *
+   * - `undefined`: picks a default icon based on `variant` (error/warning/success/info)
+   * - `false`/`null`: disables the icon
+   * - `Icon` name: forces a specific icon
+   */
+  icon?: IconProps["name"] | false | null
+}
+
+function pick(variant: Variant) {
+  if (variant === "error") return "circle-ban-sign" as const
+  if (variant === "warning") return "warning" as const
+  if (variant === "success") return "circle-check" as const
+  if (variant === "info") return "help" as const
+  return
+}
+
+function mix(style: ComponentProps<"div">["style"], value?: string) {
+  if (!value) return style
+  if (!style) return { "--card-accent": value }
+  if (typeof style === "string") return `${style};--card-accent:${value};`
+  return { ...(style as Record<string, string | number>), "--card-accent": value }
 }
 
 export function Card(props: CardProps) {
-  const [split, rest] = splitProps(props, ["variant", "class", "classList"])
+  const [split, rest] = splitProps(props, ["variant", "style", "class", "classList"])
+  const variant = () => split.variant ?? "normal"
+  const accent = () => {
+    const v = variant()
+    if (v === "error") return "var(--icon-critical-base)"
+    if (v === "warning") return "var(--icon-warning-active)"
+    if (v === "success") return "var(--icon-success-active)"
+    if (v === "info") return "var(--icon-info-active)"
+    return
+  }
   return (
     <div
       {...rest}
       data-component="card"
-      data-variant={split.variant || "normal"}
+      data-variant={variant()}
+      style={mix(split.style, accent())}
       classList={{
         ...(split.classList ?? {}),
         [split.class ?? ""]: !!split.class,
@@ -20,3 +61,63 @@ export function Card(props: CardProps) {
     </div>
   )
 }
+
+export function CardTitle(props: CardTitleProps) {
+  const [split, rest] = splitProps(props, ["variant", "icon", "class", "classList", "children"])
+  const show = () => split.icon !== false && split.icon !== null
+  const name = () => {
+    if (split.icon === false || split.icon === null) return
+    if (typeof split.icon === "string") return split.icon
+    return pick(split.variant ?? "normal")
+  }
+  const placeholder = () => !name()
+  return (
+    <div
+      {...rest}
+      data-slot="card-title"
+      classList={{
+        ...(split.classList ?? {}),
+        [split.class ?? ""]: !!split.class,
+      }}
+    >
+      {show() ? (
+        <span data-slot="card-title-icon" data-placeholder={placeholder() || undefined}>
+          <Icon name={name() ?? "dash"} size="small" />
+        </span>
+      ) : null}
+      {split.children}
+    </div>
+  )
+}
+
+export function CardDescription(props: ComponentProps<"div">) {
+  const [split, rest] = splitProps(props, ["class", "classList", "children"])
+  return (
+    <div
+      {...rest}
+      data-slot="card-description"
+      classList={{
+        ...(split.classList ?? {}),
+        [split.class ?? ""]: !!split.class,
+      }}
+    >
+      {split.children}
+    </div>
+  )
+}
+
+export function CardActions(props: ComponentProps<"div">) {
+  const [split, rest] = splitProps(props, ["class", "classList", "children"])
+  return (
+    <div
+      {...rest}
+      data-slot="card-actions"
+      classList={{
+        ...(split.classList ?? {}),
+        [split.class ?? ""]: !!split.class,
+      }}
+    >
+      {split.children}
+    </div>
+  )
+}