diff --git a/app/backend/src/routes/revisions.ts b/app/backend/src/routes/revisions.ts
new file mode 100644
index 0000000..181bafc
--- /dev/null
+++ b/app/backend/src/routes/revisions.ts
@@ -0,0 +1,101 @@
+import type { FastifyInstance, FastifyRequest } from 'fastify';
+import { prisma } from '../db.js';
+import { requireAuth } from '../plugins/session.js';
+
+const EDITOR_ROLES = ['admin', 'editor'] as const;
+
+function publicRevision(r: {
+  id: string;
+  articleId: string;
+  savedById: string | null;
+  title: string;
+  summary: string;
+  status: string;
+  createdAt: Date;
+  savedBy?: { name: string; username: string | null } | null;
+}) {
+  return {
+    id: r.id,
+    articleId: r.articleId,
+    savedById: r.savedById,
+    savedByName: r.savedBy?.name ?? null,
+    title: r.title,
+    summary: r.summary,
+    status: r.status,
+    createdAt: r.createdAt.toISOString(),
+  };
+}
+
+async function canAccessRevisions(req: FastifyRequest, articleId: string) {
+  if (!req.session) return false;
+  const { role, userId } = req.session;
+  if (role === 'admin' || role === 'editor' || role === 'reviewer') return true;
+  if (role === 'writer') {
+    const article = await prisma.article.findUnique({ where: { id: articleId }, select: { createdById: true } });
+    return article?.createdById === userId;
+  }
+  return false;
+}
+
+export default async function revisionRoutes(app: FastifyInstance) {
+  app.get<{ Params: { id: string }; Querystring: { page?: string } }>('/api/v1/admin/articles/:id/revisions', { preHandler: requireAuth(['admin', 'editor', 'reviewer', 'writer']) },
+    async (req, reply) => {
+      const { id } = req.params;
+      if (!(await canAccessRevisions(req, id))) return reply.code(403).send({ error: 'forbidden' });
+      const page = Math.max(1, parseInt(req.query.page ?? '1', 10));
+      const limit = 20;
+      const [total, rows] = await Promise.all([
+        prisma.articleRevision.count({ where: { articleId: id } }),
+        prisma.articleRevision.findMany({
+          where: { articleId: id },
+          orderBy: { createdAt: 'desc' },
+          skip: (page - 1) * limit,
+          take: limit,
+          include: { savedBy: { select: { name: true, username: true } } },
+        }),
+      ]);
+      return { items: rows.map(publicRevision), total, page, pages: Math.ceil(total / limit) };
+    },
+  );
+
+  app.get<{ Params: { id: string; revisionId: string } }>('/api/v1/admin/articles/:id/revisions/:revisionId', { preHandler: requireAuth(['admin', 'editor', 'reviewer', 'writer']) },
+    async (req, reply) => {
+      const { id, revisionId } = req.params;
+      if (!(await canAccessRevisions(req, id))) return reply.code(403).send({ error: 'forbidden' });
+      const row = await prisma.articleRevision.findFirst({
+        where: { id: revisionId, articleId: id },
+        include: { savedBy: { select: { name: true, username: true } } },
+      });
+      if (!row) return reply.code(404).send({ error: 'not_found' });
+      return { revision: { ...publicRevision(row), content: row.content } };
+    },
+  );
+
+  app.post<{ Params: { id: string; revisionId: string } }>('/api/v1/admin/articles/:id/revisions/:revisionId/restore', { preHandler: requireAuth(['admin', 'editor'] as const) },
+    async (req, reply) => {
+      const { id, revisionId } = req.params;
+      const article = await prisma.article.findUnique({ where: { id } });
+      if (!article) return reply.code(404).send({ error: 'not_found' });
+      const revision = await prisma.articleRevision.findFirst({ where: { id: revisionId, articleId: id } });
+      if (!revision) return reply.code(404).send({ error: 'revision_not_found' });
+
+      // Snapshot current state before restoring
+      await prisma.articleRevision.create({
+        data: {
+          articleId: id,
+          savedById: req.session!.userId,
+          title: article.title,
+          content: article.content,
+          summary: article.summary,
+          status: article.status,
+        },
+      });
+
+      await prisma.article.update({
+        where: { id },
+        data: { title: revision.title, content: revision.content, summary: revision.summary },
+      });
+      return { ok: true, restoredFrom: revisionId };
+    },
+  );
+}