Refactor API response structure to include success status and body for all endpoints, ensuring consistent response format across the application.

stubs/api/index.js

@@ -32,16 +32,18 @@ router.get('/challenge/chains', (req, res) => {
 })
 
 router.get('/challenge/chain/:id', (req, res) => {
-  const chains = readJson('chains.json')
+  const data = readJson('chains.json')
+  const chains = data.body || data
   const chain = chains.find((item) => item.id === req.params.id || item._id === req.params.id)
   if (!chain) {
     return sendNotFound(res, `Цепочка ${req.params.id} не найдена`)
   }
-  return res.json(chain)
+  return res.json({ success: true, body: chain })
 })
 
 router.get('/challenge/task/:id', (req, res) => {
-  const chains = readJson('chains.json')
+  const data = readJson('chains.json')
+  const chains = data.body || data
   const task = chains
     .flatMap((chain) => chain.tasks || [])
     .find((item) => item.id === req.params.id || item._id === req.params.id)
@@ -50,7 +52,7 @@ router.get('/challenge/task/:id', (req, res) => {
     return sendNotFound(res, `Задание ${req.params.id} не найдено`)
   }
 
-  return res.json(task)
+  return res.json({ success: true, body: task })
 })
 
 router.post('/challenge/submit', (req, res) => {
@@ -59,31 +61,34 @@ router.post('/challenge/submit', (req, res) => {
 })
 
 router.get('/challenge/check-status/:queueId', (req, res) => {
-  const statuses = readJson('queue-status.json')
+  const data = readJson('queue-status.json')
+  const statuses = data.body || data
   const status = statuses[req.params.queueId]
 
   if (!status) {
     return sendNotFound(res, `Статус очереди ${req.params.queueId} не найден`)
   }
 
-  return res.json(status)
+  return res.json({ success: true, body: status })
 })
 
 router.get('/challenge/user/:userId/stats', (req, res) => {
-  const statsMap = readJson('user-stats.json')
+  const data = readJson('user-stats.json')
+  const statsMap = data.body || data
   const stats = statsMap[req.params.userId]
 
   if (!stats) {
     return sendNotFound(res, `Статистика пользователя ${req.params.userId} не найдена`)
   }
 
-  return res.json(stats)
+  return res.json({ success: true, body: stats })
 })
 
 router.get('/challenge/user/:userId/submissions', (req, res) => {
-  const submissionsMap = readJson('user-submissions.json')
+  const data = readJson('user-submissions.json')
+  const submissionsMap = data.body || data
   const submissions = submissionsMap[req.params.userId] || []
-  return res.json(submissions)
+  return res.json({ success: true, body: submissions })
 })
 
 router.get('/challenge/stats', (req, res) => {