fix: standardize public avatar thumbnails

src/components/shared/public-avatar-contract.test.ts

@@ -0,0 +1,46 @@
+import { readFileSync } from "node:fs";
+import { resolve } from "node:path";
+import { describe, expect, it } from "vitest";
+
+const compactCallSites = new Map<string, number>([
+	["src/components/top-header.tsx", 2],
+	["src/app/(site)/friends/page.tsx", 1],
+	["src/app/(site)/guilds/[id]/page.tsx", 1],
+	["src/app/(site)/leaderboard/page.tsx", 1],
+	["src/app/(site)/login/page.tsx", 2],
+	["src/app/(site)/me/page.tsx", 1],
+	["src/app/(site)/messages/page.tsx", 2],
+	["src/app/(site)/page.tsx", 2],
+	["src/app/(site)/radio/leaderboard/page.tsx", 1],
+	["src/app/(site)/radio/shouts/page.tsx", 1],
+	["src/app/(site)/rankings/page.tsx", 1],
+	["src/app/(site)/register/page.tsx", 2],
+	["src/app/(site)/search/page.tsx", 1],
+	["src/app/(site)/u/[username]/page.tsx", 2],
+]);
+
+function source(path: string): string {
+	return readFileSync(resolve(process.cwd(), path), "utf8");
+}
+
+describe("public avatar presentation contract", () => {
+	it.each([...compactCallSites])(
+		"uses the shared thumbnail in %s",
+		(path, expectedCount) => {
+			const matches = source(path).match(/<UserAvatarThumbnail\b/g) ?? [];
+			expect(matches).toHaveLength(expectedCount);
+		},
+	);
+
+	it("preserves explicit full-avatar previews", () => {
+		expect(source("src/app/(site)/me/page.tsx")).toContain(
+			"avatarImageUrl(user.look",
+		);
+		expect(source("src/app/(site)/settings/page.tsx")).toContain(
+			"avatarImageUrl(user.look",
+		);
+		expect(source("src/app/(site)/u/[username]/page.tsx")).toContain(
+			"avatarImageUrl(user.look",
+		);
+	});
+});