first commit

lib/utils.ts

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+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}
+
+/** Backend'den gelen avatar_url tam veya relative olabilir; görüntülenebilir URL döner. */
+export function getAvatarUrl(avatarUrl: string | undefined): string | undefined {
+  if (!avatarUrl) return undefined
+  if (avatarUrl.startsWith("http://") || avatarUrl.startsWith("https://")) return avatarUrl
+  const base = process.env.NEXT_PUBLIC_API_BASE || ""
+  const normalized = base.replace(/\/$/, "")
+  return `${normalized}${avatarUrl.startsWith("/") ? "" : "/"}${avatarUrl}`
+}