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

stubs/api/data/auth.json

@@ -1,4 +1,7 @@
 {
+  "success": true,
+  "body": {
     "ok": true,
     "userId": "user-frontend-001"
   }
+}

stubs/api/data/chains.json

@@ -1,4 +1,6 @@
-[
+{
+  "success": true,
+  "body": [
     {
       "id": "chain-frontend",
       "_id": "chain-frontend",
@@ -25,3 +27,4 @@
       ]
     }
   ]
+}

stubs/api/data/queue-status.json

@@ -1,4 +1,6 @@
 {
+  "success": true,
+  "body": {
     "queue-frontend-001": {
       "status": "completed",
       "position": 0,
@@ -55,3 +57,4 @@
       }
     }
   }
+}

stubs/api/data/submissions.json

@@ -1,4 +1,6 @@
-[
+{
+  "success": true,
+  "body": [
     {
       "_id": "submission-001",
       "id": "submission-001",
@@ -57,3 +59,4 @@
       "attemptNumber": 1
     }
   ]
+}

stubs/api/data/submit.json

@@ -1,4 +1,7 @@
 {
+  "success": true,
+  "body": {
     "queueId": "queue-frontend-003",
     "submissionId": "submission-003"
   }
+}

stubs/api/data/system-stats.json

@@ -1,4 +1,6 @@
 {
+  "success": true,
+  "body": {
     "users": 128,
     "tasks": 34,
     "chains": 5,
@@ -18,3 +20,4 @@
       "currentlyProcessing": 6
     }
   }
+}

stubs/api/data/user-stats.json

@@ -1,4 +1,6 @@
 {
+  "success": true,
+  "body": {
     "user-frontend-001": {
       "totalTasksAttempted": 2,
       "completedTasks": 1,
@@ -57,3 +59,4 @@
       ]
     }
   }
+}

stubs/api/data/user-submissions.json

@@ -1,4 +1,6 @@
 {
+  "success": true,
+  "body": {
     "user-frontend-001": [
       {
         "_id": "submission-001",
@@ -41,3 +43,4 @@
       }
     ]
   }
+}

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) => {