feat: add settings route for managing forum and bug feature toggles

nest-backend/src/routes/settings.ts

@@ -0,0 +1,44 @@
+import { Router } from 'express';
+import type { Request, Response } from 'express';
+import prisma from '../lib/prisma.js';
+import { authenticate, requireAdmin } from '../middleware/auth.js';
+
+const router = Router();
+
+function getOrCreateSettings() {
+  return prisma.siteSettings.upsert({
+    where: { id: 1 },
+    update: {},
+    create: { id: 1 },
+  });
+}
+
+// GET /api/settings — public
+router.get('/', async (_req: Request, res: Response): Promise<void> => {
+  const settings = await getOrCreateSettings();
+  res.json({ forumEnabled: settings.forumEnabled, bugsEnabled: settings.bugsEnabled });
+});
+
+// PATCH /api/settings — admin only
+router.patch('/', authenticate, requireAdmin, async (req: Request, res: Response): Promise<void> => {
+  const { forumEnabled, bugsEnabled } = req.body as { forumEnabled?: unknown; bugsEnabled?: unknown };
+
+  const data: { forumEnabled?: boolean; bugsEnabled?: boolean } = {};
+  if (typeof forumEnabled === 'boolean') data.forumEnabled = forumEnabled;
+  if (typeof bugsEnabled === 'boolean') data.bugsEnabled = bugsEnabled;
+
+  if (Object.keys(data).length === 0) {
+    res.status(400).json({ error: 'No valid fields to update' });
+    return;
+  }
+
+  const settings = await prisma.siteSettings.upsert({
+    where: { id: 1 },
+    update: data,
+    create: { id: 1, ...data },
+  });
+
+  res.json({ forumEnabled: settings.forumEnabled, bugsEnabled: settings.bugsEnabled });
+});
+
+export default router;