Fix case-study share chrome, hero lockup width, and copy confirmation in the share dialog.

Marketing pages omitted create-flow nav copy, so Share rendered as a translation key; the case-study banner squeezed hero text to the thumbnail width; Copy link had no hover or copied state.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/(app)/create/hooks/useCompletedRuleShareExport.ts

@@ -96,7 +96,7 @@ export function useCompletedRuleShareExport({
 }: {
   setActionBanner: (_: CompletedFlowActionBanner | null) => void;
 }): {
-  copyPublishedRuleLink: () => Promise<void>;
+  copyPublishedRuleLink: () => Promise<boolean>;
   mailtoPublishedRule: () => void;
   sharePublishedRuleViaSignal: () => Promise<void>;
   sharePublishedRuleViaSlack: () => Promise<void>;
@@ -137,32 +137,34 @@ export function useCompletedRuleShareExport({
       url: string,
       banner?: () => void,
       options?: { suppressFailureWhenDocumentNotFocused?: boolean },
-    ) => {
+    ): Promise<boolean> => {
       try {
         await navigator.clipboard.writeText(url);
         (banner ?? bannerCopied)();
+        return true;
       } catch {
         if (
           options?.suppressFailureWhenDocumentNotFocused === true &&
           typeof window !== "undefined" &&
           shouldSkipShareClipboardFallback(window)
         ) {
-          return;
+          return true;
         }
         bannerCopyFailed();
+        return false;
       }
     },
     [bannerCopied, bannerCopyFailed],
   );
 
   const copyPublishedRuleLink = useCallback(async () => {
-    if (typeof window === "undefined") return;
+    if (typeof window === "undefined") return false;
     const ctx = resolvePublishedRuleShareContext(window);
     if (!ctx) {
       bannerNoRule();
-      return;
+      return false;
     }
-    await copyUrlToClipboard(ctx.url);
+    return copyUrlToClipboard(ctx.url);
   }, [bannerNoRule, copyUrlToClipboard]);
 
   const mailtoPublishedRule = useCallback(() => {

app/(marketing-case-study)/use-cases/[slug]/rule/_components/useUseCaseCompletedRuleActions.ts

@@ -34,7 +34,7 @@ export function useUseCaseCompletedRuleActions({
   const [duplicateBusy, setDuplicateBusy] = useState(false);
 
   const copyPageLink = useCallback(async () => {
-    if (typeof window === "undefined") return;
+    if (typeof window === "undefined") return false;
     try {
       await navigator.clipboard.writeText(window.location.href);
       setActionBanner({
@@ -43,6 +43,7 @@ export function useUseCaseCompletedRuleActions({
         title: t("shareLinkCopiedTitle"),
         description: t("shareLinkCopiedDescription"),
       });
+      return true;
     } catch {
       setActionBanner({
         key: "shareCopyFailed",
@@ -50,6 +51,7 @@ export function useUseCaseCompletedRuleActions({
         title: t("shareCopyFailedTitle"),
         description: t("shareCopyFailedDescription"),
       });
+      return false;
     }
   }, [setActionBanner, t]);
 

app/components/content/ContentContainer/ContentContainer.container.tsx

@@ -16,7 +16,7 @@ import type { ContentContainerProps } from "./ContentContainer.types";
 const ContentContainerContainer = memo<ContentContainerProps>(
   ({
     post,
-    width = "200px",
+    width: widthProp,
     size: sizeProp = "responsive",
     tone: toneProp = "inverse",
     leadingImageSrc,
@@ -26,6 +26,8 @@ const ContentContainerContainer = memo<ContentContainerProps>(
     const size = sizeProp;
     const tone = toneProp;
     const showLeadingImage = showLeadingImageProp;
+    const width =
+      widthProp ?? (size === "useCase" ? "100%" : "200px");
     const onLight = tone === "onLight";
     const titleColor = onLight
       ? "text-[var(--color-content-default-primary)] group-hover:text-[var(--color-content-default-brand-primary)]"
@@ -57,39 +59,55 @@ const ContentContainerContainer = memo<ContentContainerProps>(
       },
     );
 
+    const isUseCase = size === "useCase";
+
     const containerClasses =
       size === "xs"
         ? "relative z-20 flex h-full flex-col gap-[var(--measures-spacing-012)]"
+        : isUseCase
+          ? "relative z-20 flex h-full w-full min-w-0 flex-col gap-[var(--measures-spacing-024)]"
           : "relative z-20 h-full flex flex-col gap-[var(--measures-spacing-012)] sm:gap-[var(--measures-spacing-016)] md:gap-[18px] lg:gap-[var(--measures-spacing-024)]";
 
     const contentGapClasses =
       size === "xs"
         ? "flex flex-col gap-[var(--measures-spacing-008)]"
+        : isUseCase
+          ? "flex w-full min-w-0 flex-col gap-[var(--measures-spacing-016)]"
           : "flex flex-col gap-[var(--measures-spacing-008)] sm:gap-[var(--measures-spacing-012)] md:gap-[var(--measures-spacing-008)] lg:gap-[var(--measures-spacing-016)] xl:gap-[var(--measures-spacing-004)]";
 
     const textGapClasses =
       size === "xs"
         ? "flex flex-col gap-[var(--measures-spacing-004)]"
+        : isUseCase
+          ? "flex w-full min-w-0 flex-col gap-[var(--measures-spacing-004)]"
           : "flex flex-col gap-[var(--measures-spacing-004)] md:gap-[var(--measures-spacing-002)] lg:gap-[var(--measures-spacing-004)]";
 
     const titleClasses =
       size === "xs"
         ? `font-bricolage-grotesque font-medium text-[18px] leading-[22px] transition-colors ${titleColor}`
+        : isUseCase
+          ? `w-full font-bricolage-grotesque font-medium text-[32px] leading-[110%] lg:text-medium-display transition-colors ${titleColor}`
           : `font-bricolage-grotesque font-medium text-xx-small-display sm:text-x-small-display md:text-[32px] md:leading-[110%] lg:text-medium-display xl:text-x-large-display transition-colors ${titleColor}`;
 
     const descriptionClasses =
       size === "xs"
         ? `text-x-small-paragraph max-w-md ${bodyColor}`
+        : isUseCase
+          ? `w-full text-small-paragraph lg:text-large-paragraph ${bodyColor}`
           : `text-x-small-paragraph sm:text-small-paragraph md:text-small-paragraph lg:text-large-paragraph xl:text-x-large-paragraph ${bodyColor}`;
 
     const authorClasses =
       size === "xs"
         ? `overflow-hidden text-ellipsis whitespace-nowrap text-xx-small-paragraph ${bodyColor}`
+        : isUseCase
+          ? `overflow-hidden text-ellipsis whitespace-nowrap text-x-small-paragraph lg:text-small-paragraph ${bodyColor}`
           : `text-xx-small-paragraph md:text-x-small-paragraph lg:text-small-paragraph xl:text-large-paragraph ${bodyColor}`;
 
     const dateClasses =
       size === "xs"
         ? `overflow-hidden text-ellipsis whitespace-nowrap text-xx-small-paragraph ${bodyColor}`
+        : isUseCase
+          ? `overflow-hidden text-ellipsis whitespace-nowrap text-x-small-paragraph lg:text-small-paragraph ${bodyColor}`
           : `text-xx-small-paragraph md:text-x-small-paragraph lg:text-small-paragraph xl:text-large-paragraph ${bodyColor}`;
 
     return (

app/components/content/ContentContainer/ContentContainer.types.ts

@@ -1,6 +1,5 @@
 import type { BlogPost } from "../../../../lib/content";
-
-export type ContentContainerSizeValue = "xs" | "responsive";
+import type { ContentContainerSizeValue } from "../../../../lib/propNormalization";
 
 /** `inverse` — blog hero on imagery; `onLight` — marketing pages on default surface. */
 export type ContentContainerToneValue = "inverse" | "onLight";
@@ -9,7 +8,8 @@ export interface ContentContainerProps {
   post: BlogPost;
   width?: string;
   /**
-   * Content container size.
+   * `xs` — catalog thumbnail. `responsive` — article banner (scales through xl).
+   * `useCase` — case-study ContentBanner lockup (Figma 365px / medium-display).
    */
   size?: ContentContainerSizeValue;
   /**
@@ -27,7 +27,7 @@ export interface ContentContainerProps {
 export interface ContentContainerViewProps {
   post: BlogPost;
   width: string;
-  size: "xs" | "responsive";
+  size: ContentContainerSizeValue;
   tone: ContentContainerToneValue;
   iconImage: string;
   iconAlt: string;

app/components/modals/Share/Share.container.tsx

@@ -3,8 +3,9 @@
 /**
  * Figma: Community Rule System — "Modal / Share"
  * https://www.figma.com/design/agv0VBLiBlcnSAaiAORgPR/Community-Rule-System?node-id=22073-30884
+ * Copy-link hover / Copied! : 23769:27494 / 23769:27443
  */
-import { memo, useId, useRef } from "react";
+import { memo, useCallback, useEffect, useId, useRef, useState } from "react";
 import { useTranslation } from "../../../contexts/MessagesContext";
 import { useCreateModalA11y } from "../Create/useCreateModalA11y";
 import { ShareView } from "./Share.view";
@@ -15,9 +16,27 @@ const ShareContainer = memo<ShareProps>((props) => {
   const overlayRef = useRef<HTMLDivElement>(null);
   const titleId = useId();
   const t = useTranslation("modals.share");
+  const [linkCopied, setLinkCopied] = useState(false);
 
   useCreateModalA11y(props.isOpen, props.onClose, dialogRef);
 
+  useEffect(() => {
+    if (!props.isOpen) {
+      setLinkCopied(false);
+    }
+  }, [props.isOpen]);
+
+  const onCopyLinkClick = useCallback(async () => {
+    try {
+      const result = await props.onCopyLink();
+      if (result !== false) {
+        setLinkCopied(true);
+      }
+    } catch {
+      setLinkCopied(false);
+    }
+  }, [props.onCopyLink]);
+
   return (
     <ShareView
       {...props}
@@ -27,6 +46,10 @@ const ShareContainer = memo<ShareProps>((props) => {
       title={t("title")}
       description={t("description")}
       copyLinkLabel={t("copyLink")}
+      copiedLabel={t("copied")}
+      copiedLive={t("copiedLive")}
+      linkCopied={linkCopied}
+      onCopyLinkClick={onCopyLinkClick}
       signalLabel={t("signal")}
       slackLabel={t("slack")}
       discordLabel={t("discord")}

app/components/modals/Share/Share.types.ts

@@ -4,7 +4,8 @@ import type { CreateModalBackdropVariant } from "../Create/CreateModalFrame.view
 export type ShareProps = {
   isOpen: boolean;
   onClose: () => void;
-  onCopyLink: () => void | Promise<void>;
+  /** Return `false` when the clipboard write did not succeed. */
+  onCopyLink: () => void | boolean | Promise<void | boolean>;
   onEmailShare: () => void;
   onSignalShare: () => void | Promise<void>;
   onSlackShare: () => void | Promise<void>;
@@ -20,6 +21,10 @@ export type ShareViewProps = ShareProps & {
   title: string;
   description: string;
   copyLinkLabel: string;
+  copiedLabel: string;
+  copiedLive: string;
+  linkCopied: boolean;
+  onCopyLinkClick: () => void | Promise<void>;
   signalLabel: string;
   slackLabel: string;
   discordLabel: string;
@@ -34,4 +39,5 @@ export type ShareChannelTileProps = {
   onClick: () => void | Promise<void>;
   circleClassName: string;
   icon: ReactNode;
+  copied?: boolean;
 };

app/components/modals/Share/Share.view.tsx

@@ -34,19 +34,32 @@ function ShareAssetIcon(props: {
   );
 }
 
-function ShareChannelTile({ label, onClick, circleClassName, icon }: ShareChannelTileProps) {
+function ShareChannelTile({
+  label,
+  onClick,
+  circleClassName,
+  icon,
+  copied = false,
+}: ShareChannelTileProps) {
   return (
     <button
       type="button"
       onClick={() => void onClick()}
-      className="flex w-16 shrink-0 flex-col items-center gap-2 rounded-md focus:outline-none focus-visible:ring-2 focus-visible:ring-[var(--color-border-invert-primary)] focus-visible:ring-offset-2 focus-visible:ring-offset-[var(--color-surface-default-primary)]"
+      aria-pressed={copied || undefined}
+      className="group flex w-16 shrink-0 flex-col items-center gap-2 rounded-md focus:outline-none focus-visible:ring-2 focus-visible:ring-[var(--color-border-invert-primary)] focus-visible:ring-offset-2 focus-visible:ring-offset-[var(--color-surface-default-primary)]"
     >
       <div
-        className={`flex h-[60px] w-[60px] items-center justify-center rounded-full border border-solid ${circleClassName}`}
+        className={`flex h-[60px] w-[60px] items-center justify-center rounded-full border border-solid transition-[transform,background-color,border-color,filter] duration-150 ease-out group-active:scale-90 ${circleClassName}`}
       >
         {icon}
       </div>
-      <span className="max-w-[4.5rem] text-center text-x-small-label text-[var(--color-content-default-tertiary)]">
+      <span
+        className={`max-w-[4.5rem] text-center text-x-small-label ${
+          copied
+            ? "text-[var(--color-border-default-positive-primary)]"
+            : "text-[var(--color-content-default-tertiary)]"
+        }`}
+      >
         {label}
       </span>
     </button>
@@ -56,7 +69,6 @@ function ShareChannelTile({ label, onClick, circleClassName, icon }: ShareChanne
 export const ShareView = memo(function ShareView({
   isOpen,
   onClose,
-  onCopyLink,
   onEmailShare,
   onSignalShare,
   onSlackShare,
@@ -69,6 +81,10 @@ export const ShareView = memo(function ShareView({
   title,
   description,
   copyLinkLabel,
+  copiedLabel,
+  copiedLive,
+  linkCopied,
+  onCopyLinkClick,
   signalLabel,
   slackLabel,
   discordLabel,
@@ -109,36 +125,50 @@ export const ShareView = memo(function ShareView({
         {/* Channel circle hexes are third-party brand colors (copy/link, Signal, Slack, Discord), not DS tokens. */}
         <div className="flex flex-wrap gap-4">
           <ShareChannelTile
-            label={copyLinkLabel}
-            onClick={onCopyLink}
-            circleClassName="border-[#444444] bg-[#333333]"
-            icon={<ShareAssetIcon name="link" width={24} height={24} />}
+            label={linkCopied ? copiedLabel : copyLinkLabel}
+            onClick={onCopyLinkClick}
+            copied={linkCopied}
+            circleClassName={
+              linkCopied
+                ? "border-2 border-[#444444] bg-[#333333]"
+                : "border-[#444444] bg-[#333333] group-hover:border-2 group-hover:border-[var(--color-border-default-positive-primary)] group-hover:bg-[#444444]"
+            }
+            icon={
+              <ShareAssetIcon
+                name={linkCopied ? "check" : "link"}
+                width={24}
+                height={24}
+              />
+            }
           />
           <ShareChannelTile
             label={signalLabel}
             onClick={onSignalShare}
-            circleClassName="border-[#3a76f0] bg-[#3a76f0]"
+            circleClassName="border-[#3a76f0] bg-[#3a76f0] group-hover:brightness-110"
             icon={<ShareAssetIcon name="signal" width={26} height={26} />}
           />
           <ShareChannelTile
             label={slackLabel}
             onClick={onSlackShare}
-            circleClassName="border-[#4a154b] bg-[#4a154b]"
+            circleClassName="border-[#4a154b] bg-[#4a154b] group-hover:brightness-110"
             icon={<ShareAssetIcon name="slack" width={26} height={26} />}
           />
           <ShareChannelTile
             label={discordLabel}
             onClick={onDiscordShare}
-            circleClassName="border-[#5865f2] bg-[#5865f2]"
+            circleClassName="border-[#5865f2] bg-[#5865f2] group-hover:brightness-110"
             icon={<ShareAssetIcon name="discord" width={30} height={30} />}
           />
           <ShareChannelTile
             label={emailLabel}
             onClick={onEmailShare}
-            circleClassName="border-[var(--color-surface-default-brand-kiwi)] bg-[var(--color-surface-default-brand-kiwi)]"
+            circleClassName="border-[var(--color-surface-default-brand-kiwi)] bg-[var(--color-surface-default-brand-kiwi)] group-hover:brightness-110"
             icon={<ShareAssetIcon name="mail" width={24} height={24} />}
           />
         </div>
+        <p className="sr-only" aria-live="polite">
+          {linkCopied ? copiedLive : ""}
+        </p>
       </div>
 
       <ModalFooter

app/components/sections/ContentBanner/ContentBanner.view.tsx

@@ -193,7 +193,7 @@ function ContentBannerUseCaseView({
         >
           <ContentContainer
             post={post}
-            size="responsive"
+            size="useCase"
             tone={contentTone}
             showLeadingImage={false}
             leadingImageSrc={leadingImageSrc}

lib/assetUtils.ts

@@ -86,7 +86,13 @@ export function partnerLogoPath(slug: string): string {
 }
 
 /** Share modal glyphs in `public/assets/share/`. */
-export type ShareIconName = "discord" | "link" | "mail" | "signal" | "slack";
+export type ShareIconName =
+  | "check"
+  | "discord"
+  | "link"
+  | "mail"
+  | "signal"
+  | "slack";
 
 export function shareIconPath(name: ShareIconName): string {
   return `assets/share/${name}.svg`;

lib/propNormalization.ts

@@ -119,7 +119,11 @@ export type HeaderLockupPaletteValue =
 export const TEXT_INPUT_SIZE_OPTIONS = ["small", "medium"] as const;
 export type TextInputSizeValue = (typeof TEXT_INPUT_SIZE_OPTIONS)[number];
 
-export const CONTENT_CONTAINER_SIZE_OPTIONS = ["xs", "responsive"] as const;
+export const CONTENT_CONTAINER_SIZE_OPTIONS = [
+  "xs",
+  "responsive",
+  "useCase",
+] as const;
 export type ContentContainerSizeValue =
   (typeof CONTENT_CONTAINER_SIZE_OPTIONS)[number];
 

messages/en/marketing.ts

@@ -1,17 +1,15 @@
 /**
  * Marketing-scoped message bundle: every namespace from `./index` EXCEPT the
- * `create.*` subtree. The `create` namespace is ~41 KB gzipped — the largest
- * single contributor to per-route HTML size — and is only used inside
- * `(app)/create/*`. Excluding it from the `(marketing)` group's
- * `MessagesProvider` removes the embed from every marketing HTML response.
+ * bulk of the `create.*` subtree. That subtree is ~41 KB gzipped — the
+ * largest single contributor to per-route HTML size — and wizard copy is
+ * only used inside `(app)/create/*`.
  *
- * The type stays compatible with `typeof import("./index").default` because
- * we satisfy the same key shape (modulo `create`); marketing client
- * components only read keys that exist here. If a future change reaches into
- * `messages.create.*` from a marketing surface, `getTranslation` will return
- * the dotted key as the fallback — visible immediately at runtime.
+ * Case-study completed-rule chrome reuses `CreateFlowTopNav`, so this bundle
+ * includes `create.topNav` only. Other `create.*` keys still fall back to the
+ * dotted path via `getTranslation` if a marketing surface reaches them.
  *
- * Keep this in sync with new entries added to `./index` (excluding `create/`).
+ * Keep this in sync with new entries added to `./index` (excluding wizard
+ * `create/` files other than `create/topNav.json`).
  * See `docs/perf/next16-eval.md` for measurement context.
  */
 import common from "./common.json";
@@ -53,6 +51,7 @@ import metadata from "./metadata.json";
 import modalsShare from "./modals/share.json";
 import modalsPopoverExport from "./modals/popoverExport.json";
 import modalsAskOrganizerInquiry from "./modals/askOrganizerInquiry.json";
+import createTopNav from "./create/topNav.json";
 import type messages from "./index";
 
 const marketingMessages = {
@@ -99,11 +98,13 @@ const marketingMessages = {
     popoverExport: modalsPopoverExport,
     askOrganizerInquiry: modalsAskOrganizerInquiry,
   },
+  create: {
+    topNav: createTopNav,
+  },
 };
 
 // Cast to the full shape so it satisfies `typeof import("./index").default`
-// at the MessagesProvider boundary. Reads of `messages.create.*` from a
-// marketing surface are a code smell and will return the dotted key (the
-// runtime `getTranslation` fallback) — visible immediately.
+// at the MessagesProvider boundary. Reads of wizard `create.*` keys other
+// than `create.topNav` still return the dotted key at runtime.
 export default marketingMessages as typeof messages;
 

messages/en/modals/share.json

@@ -2,6 +2,8 @@
   "title": "Share this CommunityRule",
   "description": "Anyone with the link can view this rule.",
   "copyLink": "Copy link",
+  "copied": "Copied!",
+  "copiedLive": "Link copied to clipboard",
   "signal": "Signal",
   "slack": "Slack",
   "discord": "Discord",

public/assets/share/check.svg

@@ -0,0 +1,3 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M20 6L9 17L4 12" stroke="#45EA97" stroke-width="2" stroke-linecap="round"/>
+</svg>

tests/components/ContentBanner.test.tsx

@@ -157,11 +157,14 @@ describe("ContentBanner", () => {
 
     const title = screen.getByRole("heading", { name: "Test Article" });
     expect(title).toBeInTheDocument();
-    expect(title).toHaveClass("sm:text-x-small-display", "md:text-[32px]");
+    expect(title).toHaveClass("text-[32px]", "lg:text-medium-display");
+    expect(title).not.toHaveClass("xl:text-x-large-display");
     expect(screen.getByText("Sample Operating Manual")).toBeInTheDocument();
     const copyColumn = container.querySelector('[data-node-id="19189:9171"]');
     expect(copyColumn).toHaveClass("lg:max-w-[365px]");
     expect(copyColumn).not.toHaveClass("max-w-[365px]");
+    const copyLockup = title.closest("div.relative.z-20");
+    expect(copyLockup).toHaveStyle({ width: "100%" });
     const bannerRow = container.querySelector(
       '[data-figma-node="22015:42621"]',
     );

tests/components/modals/Share.test.tsx

@@ -70,6 +70,43 @@ describe("Share modal", () => {
     expect(onClose).toHaveBeenCalledTimes(1);
   });
 
+  it("confirms Copy link with Copied! when the handler succeeds", async () => {
+    const user = userEvent.setup();
+    const onCopyLink = vi.fn().mockResolvedValue(true);
+    render(
+      <Share
+        isOpen={true}
+        onClose={vi.fn()}
+        {...noopHandlers}
+        onCopyLink={onCopyLink}
+      />,
+    );
+    await user.click(screen.getByRole("button", { name: "Copy link" }));
+    expect(onCopyLink).toHaveBeenCalledTimes(1);
+    expect(screen.getByRole("button", { name: "Copied!" })).toHaveAttribute(
+      "aria-pressed",
+      "true",
+    );
+    expect(screen.getByText("Link copied to clipboard")).toBeInTheDocument();
+  });
+
+  it("keeps Copy link when the handler reports failure", async () => {
+    const user = userEvent.setup();
+    render(
+      <Share
+        isOpen={true}
+        onClose={vi.fn()}
+        {...noopHandlers}
+        onCopyLink={vi.fn().mockResolvedValue(false)}
+      />,
+    );
+    await user.click(screen.getByRole("button", { name: "Copy link" }));
+    expect(screen.getByRole("button", { name: "Copy link" })).toBeInTheDocument();
+    expect(
+      screen.queryByRole("button", { name: "Copied!" }),
+    ).not.toBeInTheDocument();
+  });
+
   it("calls onClose when header overflow (more) is activated, matching modal chrome parity", async () => {
     const user = userEvent.setup();
     const onClose = vi.fn();

tests/pages/use-cases-completed-rule.test.jsx

@@ -1,9 +1,12 @@
 import { describe, test, expect, vi } from "vitest";
-import { screen } from "@testing-library/react";
+import { screen, render as rtlRender } from "@testing-library/react";
 import userEvent from "@testing-library/user-event";
 import { renderWithProviders as render } from "../utils/test-utils";
+import { MessagesProvider } from "../../app/contexts/MessagesContext";
 import UseCaseCompletedRulePage from "../../app/(marketing-case-study)/use-cases/[slug]/rule/page";
 import messages from "../../messages/en/index";
+import marketingMessages from "../../messages/en/marketing";
+import { getTranslation } from "../../lib/i18n/getTranslation";
 import { USE_CASE_DETAIL_SLUGS } from "../../lib/useCaseSyntheticPost";
 
 const mockPush = vi.fn();
@@ -83,9 +86,31 @@ describe("UseCaseCompletedRulePage", () => {
           name: messages.pages.useCasesCompletedRule.topNav.duplicateAriaLabel,
         }),
       ).toBeInTheDocument();
+      expect(screen.getByRole("button", { name: "Share" })).toBeInTheDocument();
     },
   );
 
+  test("marketing message bundle resolves Share (not the dotted create.topNav key)", () => {
+    expect(getTranslation(marketingMessages, "create.topNav.share")).toBe(
+      "Share",
+    );
+  });
+
+  test("Share button reads Share under the marketing case-study bundle", async () => {
+    rtlRender(
+      <MessagesProvider messages={marketingMessages}>
+        {await UseCaseCompletedRulePage({
+          params: Promise.resolve({ slug: "mutual-aid-colorado" }),
+        })}
+      </MessagesProvider>,
+    );
+
+    expect(screen.getByRole("button", { name: "Share" })).toBeInTheDocument();
+    expect(
+      screen.queryByRole("button", { name: "create.topNav.share" }),
+    ).not.toBeInTheDocument();
+  });
+
   test("Duplicate opens login when signed out", async () => {
     const user = userEvent.setup();
     mockOpenLogin.mockClear();

tests/unit/ContentContainer.test.jsx

@@ -111,6 +111,17 @@ describe("ContentContainer", () => {
     expect(container).toHaveStyle("width: 200px");
   });
 
+  it("applies full width and case-study type scale for useCase size", () => {
+    render(<ContentContainer post={mockPost} size="useCase" />);
+
+    const container = document.querySelector("div[class*='relative z-20']");
+    expect(container).toHaveStyle("width: 100%");
+
+    const title = screen.getByText("Test Article Title");
+    expect(title).toHaveClass("text-[32px]", "lg:text-medium-display");
+    expect(title).not.toHaveClass("xl:text-x-large-display");
+  });
+
   it("has proper spacing between icon and text", () => {
     render(<ContentContainer post={mockPost} />);