fix: restore messages variable in deepseek endpoints

deploy.ps1

@@ -0,0 +1,27 @@
+# ReSekai Deploy Script
+# Usage: .\deploy.ps1
+
+$SERVER = "root@46.225.108.69"
+$PROJECT_PATH = "/var/www/resekai/ReSekai"
+
+Write-Host "Deploying ReSekai to production..." -ForegroundColor Cyan
+
+# Build locally first
+Write-Host "`nBuilding frontend..." -ForegroundColor Yellow
+npm run build
+if ($LASTEXITCODE -ne 0) {
+    Write-Host "Build failed!" -ForegroundColor Red
+    exit 1
+}
+
+# Deploy to server
+Write-Host "`nDeploying to server..." -ForegroundColor Yellow
+$CMD = "cd $PROJECT_PATH && git pull && npm run build && cd server && npm install && pm2 restart resekai-api"
+ssh $SERVER $CMD
+
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "`nDeployment successful!" -ForegroundColor Green
+} else {
+    Write-Host "`nDeployment failed!" -ForegroundColor Red
+    exit 1
+}

server/index.js

@@ -1207,7 +1207,7 @@ app.post("/api/deepseek/chat", requireAuth, async (req, res) => {
       return res.status(500).json({ error: "DeepSeek API key not configured" });
     }
 
-    const { temperature = 0.8, max_tokens = 1000 } = req.body;
+    const { messages, temperature = 0.8, max_tokens = 1000 } = req.body;
     const sanitizedMessages = sanitizeDeepSeekMessages(messages);
     const clampedMaxTokens = Math.min(
       max_tokens,
@@ -1268,7 +1268,7 @@ app.post("/api/deepseek/chat/stream", requireAuth, async (req, res) => {
       return res.status(500).json({ error: "DeepSeek API key not configured" });
     }
 
-    const { temperature = 0.8, max_tokens = 1000 } = req.body;
+    const { messages, temperature = 0.8, max_tokens = 1000 } = req.body;
     const sanitizedMessages = sanitizeDeepSeekMessages(messages);
     const clampedMaxTokens = Math.min(
       max_tokens,