feat(ajustes): adicionar aba changelog com histórico de versões

Parser lê o CHANGELOG.md e exibe as versões com badges por tipo de mudança
(Adicionado, Alterado, Corrigido) na página de ajustes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/(dashboard)/ajustes/page.tsx

@@ -1,6 +1,7 @@
 import { headers } from "next/headers";
 import { redirect } from "next/navigation";
 
+import { ChangelogTab } from "@/components/ajustes/changelog-tab";
 import { CompanionTab } from "@/components/ajustes/companion-tab";
 import { DeleteAccountForm } from "@/components/ajustes/delete-account-form";
 import { PreferencesForm } from "@/components/ajustes/preferences-form";
@@ -10,6 +11,7 @@ import { UpdatePasswordForm } from "@/components/ajustes/update-password-form";
 import { Card } from "@/components/ui/card";
 import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
 import { auth } from "@/lib/auth/config";
+import { parseChangelog } from "@/lib/changelog/parse-changelog";
 
 import { fetchAjustesPageData } from "./data";
 
@@ -28,6 +30,8 @@ export default async function Page() {
 	const { authProvider, userPreferences, userApiTokens } =
 		await fetchAjustesPageData(session.user.id);
 
+	const changelogVersions = parseChangelog();
+
 	return (
 		<div className="w-full">
 			<Tabs defaultValue="preferencias" className="w-full">
@@ -37,6 +41,7 @@ export default async function Page() {
 					<TabsTrigger value="nome">Alterar nome</TabsTrigger>
 					<TabsTrigger value="senha">Alterar senha</TabsTrigger>
 					<TabsTrigger value="email">Alterar e-mail</TabsTrigger>
+					<TabsTrigger value="changelog">Changelog</TabsTrigger>
 					<TabsTrigger value="deletar" className="text-destructive">
 						Deletar conta
 					</TabsTrigger>
@@ -114,6 +119,10 @@ export default async function Page() {
 					</Card>
 				</TabsContent>
 
+				<TabsContent value="changelog" className="mt-4">
+					<ChangelogTab versions={changelogVersions} />
+				</TabsContent>
+
 				<TabsContent value="deletar" className="mt-4">
 					<Card className="p-6">
 						<div className="space-y-4">