Fix: Subscribe to control topic and save to database

backend/DEPLOY_PERBAIKAN.md

@@ -0,0 +1,319 @@
+# Deploy Perbaikan Control Commands ke Railway
+
+## Perubahan yang Dilakukan
+✅ Backend sekarang **subscribe ke topic `novil/pengering/control`**  
+✅ Handler untuk menyimpan pesan control ke database `control_commands`  
+✅ Handler untuk update status relay dari ESP32
+
+## Cara Deploy ke Railway
+
+### Opsi 1: Deploy via Git (Recommended)
+
+#### 1. Commit Perubahan
+```bash
+cd c:\Users\abilh\aplikasi_novil
+
+# Cek status
+git status
+
+# Add file yang berubah
+git add backend/server.js
+git add PERBAIKAN_CONTROL_COMMANDS.md
+git add backend/DEPLOY_PERBAIKAN.md
+
+# Commit
+git commit -m "Fix: Subscribe to control topic and save to database"
+
+# Push ke repository
+git push origin main
+```
+
+#### 2. Railway Auto-Deploy
+- Railway akan otomatis detect perubahan
+- Build dan deploy akan berjalan otomatis
+- Tunggu hingga status "Deployed" (biasanya 2-3 menit)
+
+#### 3. Verifikasi Deployment
+```bash
+# Cek health check
+curl https://your-railway-app.up.railway.app/
+
+# Cek stats
+curl https://your-railway-app.up.railway.app/api/stats
+```
+
+---
+
+### Opsi 2: Deploy via Railway CLI
+
+#### 1. Install Railway CLI (jika belum)
+```bash
+# Windows (PowerShell)
+iwr https://railway.app/install.ps1 | iex
+```
+
+#### 2. Login ke Railway
+```bash
+railway login
+```
+
+#### 3. Link Project
+```bash
+cd c:\Users\abilh\aplikasi_novil\backend
+railway link
+```
+
+#### 4. Deploy
+```bash
+railway up
+```
+
+#### 5. Cek Logs
+```bash
+railway logs
+```
+
+---
+
+### Opsi 3: Manual Upload via Railway Dashboard
+
+#### 1. Buka Railway Dashboard
+- Login ke https://railway.app
+- Pilih project "aplikasi_novil" atau nama project Anda
+
+#### 2. Buka Service Backend
+- Klik service backend Anda
+- Pilih tab "Deployments"
+
+#### 3. Trigger Redeploy
+- Klik tombol "Deploy" atau "Redeploy"
+- Pilih branch yang benar (main/master)
+- Railway akan pull code terbaru dan deploy
+
+---
+
+## Verifikasi Setelah Deploy
+
+### 1. Cek Logs Railway
+
+Di Railway Dashboard → Service → Logs, pastikan muncul:
+
+```
+✅ Subscribed to topics:
+   - novil/pengering/data
+   - novil/pengering/status
+   - novil/pengering/button
+   - novil/pengering/control  ← HARUS ADA INI
+```
+
+### 2. Test API Health Check
+
+```bash
+# Ganti dengan URL Railway Anda
+curl https://your-app.up.railway.app/
+```
+
+Response:
+```json
+{
+  "status": "OK",
+  "message": "Pengering Ikan Backend Server - MQTT Client Enabled",
+  "version": "1.0.1",
+  "uptime": 123.45,
+  "timestamp": "2026-05-29T10:30:00.000Z"
+}
+```
+
+### 3. Test Stats API
+
+```bash
+curl https://your-app.up.railway.app/api/stats
+```
+
+Response harus include:
+```json
+{
+  "success": true,
+  "stats": {
+    "mqttConnected": true,
+    "sensorDataCount": 100,
+    "statusHistoryCount": 50,
+    "controlCommandsCount": 10,  ← HARUS ADA INI
+    ...
+  }
+}
+```
+
+### 4. Test Control Command
+
+```bash
+# Kirim command test
+curl -X POST https://your-app.up.railway.app/api/control \
+  -H "Content-Type: application/json" \
+  -d '{"command":"HEATER_ON"}'
+```
+
+Response:
+```json
+{
+  "success": true,
+  "message": "Command sent successfully",
+  "command": "HEATER_ON"
+}
+```
+
+### 5. Cek Database Railway
+
+Login ke Railway MySQL:
+
+```bash
+# Via Railway CLI
+railway connect MySQL
+```
+
+Atau via Railway Dashboard → MySQL → Connect → Copy connection string
+
+Query untuk verifikasi:
+
+```sql
+-- Cek apakah ada data di control_commands
+SELECT COUNT(*) as total FROM control_commands;
+
+-- Lihat 10 command terakhir
+SELECT * FROM control_commands ORDER BY timestamp DESC LIMIT 10;
+
+-- Lihat status relay terakhir
+SELECT * FROM status_history 
+WHERE message LIKE 'RELAY:%' 
+ORDER BY timestamp DESC LIMIT 10;
+```
+
+---
+
+## Testing dengan ESP32
+
+### 1. Update Kode ESP32 (jika perlu)
+
+Pastikan ESP32 menggunakan URL Railway yang benar:
+
+```cpp
+// Di file esp32_pengering_ikan_railway.ino
+const char* mqtt_server = "broker.hivemq.com";
+const int mqtt_port = 1883;
+```
+
+### 2. Upload ke ESP32
+
+```bash
+# Via Arduino IDE atau PlatformIO
+# Upload esp32_pengering_ikan_v2.ino
+```
+
+### 3. Monitor Serial ESP32
+
+Buka Serial Monitor (115200 baud), pastikan muncul:
+
+```
+WiFi Connected
+MQTT Connected
+Heater → ON
+Fan → ON
+Data sent: {"suhu":28.5,"berat":450,...}
+```
+
+### 4. Cek Railway Logs Real-time
+
+Di Railway Dashboard → Logs, pastikan muncul:
+
+```
+📨 MQTT Message received:
+   Topic: novil/pengering/control
+   Message: STATUS:HEATER_ON
+🎛️  Control Message: STATUS:HEATER_ON
+📊 Relay Status Update: HEATER_ON
+✅ Relay status saved to MySQL database
+```
+
+---
+
+## Troubleshooting
+
+### ❌ Logs tidak muncul "Subscribed to control topic"
+
+**Solusi:**
+1. Pastikan file `server.js` sudah ter-commit dan ter-push
+2. Trigger manual redeploy di Railway Dashboard
+3. Cek Railway logs untuk error
+
+### ❌ Database connection failed
+
+**Solusi:**
+1. Cek environment variables di Railway Dashboard
+2. Pastikan MySQL plugin sudah ter-install
+3. Verifikasi `DATABASE_URL` atau `MYSQL*` variables ada
+
+### ❌ MQTT not connected
+
+**Solusi:**
+1. Cek `MQTT_BROKER_URL` di Railway environment variables
+2. Default: `mqtt://broker.hivemq.com:1883`
+3. Pastikan Railway tidak block port 1883
+
+### ❌ Control commands tidak masuk database
+
+**Solusi:**
+1. Cek Railway logs: `railway logs`
+2. Pastikan ESP32 kirim ke topic yang benar: `novil/pengering/control`
+3. Verifikasi database table `control_commands` sudah ada:
+   ```sql
+   SHOW TABLES;
+   DESCRIBE control_commands;
+   ```
+
+---
+
+## Checklist Deployment
+
+- [ ] Commit perubahan `server.js`
+- [ ] Push ke Git repository
+- [ ] Railway auto-deploy selesai (status: Deployed)
+- [ ] Cek logs: "Subscribed to control topic" muncul
+- [ ] Test API health check berhasil
+- [ ] Test API stats menunjukkan `controlCommandsCount`
+- [ ] Test kirim command via API berhasil
+- [ ] Database table `control_commands` ada data
+- [ ] ESP32 connect ke MQTT berhasil
+- [ ] ESP32 kirim status relay, muncul di Railway logs
+- [ ] Database `control_commands` bertambah saat ESP32 kirim status
+
+---
+
+## URL Penting
+
+Ganti dengan URL Railway Anda:
+
+- **Backend API:** `https://your-app.up.railway.app`
+- **Health Check:** `https://your-app.up.railway.app/`
+- **Stats:** `https://your-app.up.railway.app/api/stats`
+- **Control:** `https://your-app.up.railway.app/api/control`
+- **Data History:** `https://your-app.up.railway.app/api/data/history`
+
+---
+
+## Setelah Deploy Berhasil
+
+1. ✅ Update dokumentasi dengan URL Railway yang benar
+2. ✅ Test dengan Flutter app (jika ada)
+3. ✅ Monitor logs Railway untuk memastikan tidak ada error
+4. ✅ Setup monitoring/alerting (optional)
+5. ✅ Backup database secara berkala
+
+---
+
+## Kontak & Support
+
+Jika ada masalah:
+1. Cek Railway logs: `railway logs`
+2. Cek Railway Dashboard → Service → Logs
+3. Cek Railway Dashboard → MySQL → Metrics
+4. Review dokumentasi: `PERBAIKAN_CONTROL_COMMANDS.md`

backend/deploy-to-railway.ps1

@@ -0,0 +1,183 @@
+# =====================================================
+# Script Deploy Backend ke Railway
+# =====================================================
+
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host "  DEPLOY BACKEND KE RAILWAY" -ForegroundColor Cyan
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host ""
+
+# Cek apakah di folder yang benar
+$currentPath = Get-Location
+if (-not $currentPath.Path.EndsWith("backend")) {
+    Write-Host "❌ Error: Script harus dijalankan dari folder backend" -ForegroundColor Red
+    Write-Host "   Current path: $currentPath" -ForegroundColor Yellow
+    Write-Host "   Pindah ke folder backend dulu:" -ForegroundColor Yellow
+    Write-Host "   cd backend" -ForegroundColor Yellow
+    exit 1
+}
+
+Write-Host "📁 Current directory: $currentPath" -ForegroundColor Green
+Write-Host ""
+
+# =====================================================
+# 1. CEK GIT STATUS
+# =====================================================
+Write-Host "🔍 Checking Git status..." -ForegroundColor Yellow
+git status --short
+
+Write-Host ""
+$confirm = Read-Host "Lanjutkan commit dan push? (y/n)"
+if ($confirm -ne "y") {
+    Write-Host "❌ Deployment dibatalkan" -ForegroundColor Red
+    exit 0
+}
+
+# =====================================================
+# 2. GIT ADD
+# =====================================================
+Write-Host ""
+Write-Host "📦 Adding files to Git..." -ForegroundColor Yellow
+git add server.js
+git add DEPLOY_PERBAIKAN.md
+git add deploy-to-railway.ps1
+git add ../PERBAIKAN_CONTROL_COMMANDS.md
+
+Write-Host "✅ Files added" -ForegroundColor Green
+
+# =====================================================
+# 3. GIT COMMIT
+# =====================================================
+Write-Host ""
+Write-Host "💾 Committing changes..." -ForegroundColor Yellow
+$commitMessage = "Fix: Subscribe to control topic and save to database
+
+- Backend now subscribes to novil/pengering/control topic
+- Added handler to save control commands to database
+- Added handler to update relay status from ESP32
+- Status messages with STATUS: prefix saved to status_history
+- Command messages saved to control_commands table"
+
+git commit -m $commitMessage
+
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "✅ Commit successful" -ForegroundColor Green
+} else {
+    Write-Host "⚠️  No changes to commit or commit failed" -ForegroundColor Yellow
+}
+
+# =====================================================
+# 4. GIT PUSH
+# =====================================================
+Write-Host ""
+Write-Host "🚀 Pushing to repository..." -ForegroundColor Yellow
+git push origin main
+
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "✅ Push successful" -ForegroundColor Green
+} else {
+    Write-Host "❌ Push failed" -ForegroundColor Red
+    Write-Host "   Coba push manual: git push origin main" -ForegroundColor Yellow
+    exit 1
+}
+
+# =====================================================
+# 5. TUNGGU RAILWAY DEPLOY
+# =====================================================
+Write-Host ""
+Write-Host "⏳ Railway sedang deploy..." -ForegroundColor Yellow
+Write-Host "   Buka Railway Dashboard untuk monitor progress:" -ForegroundColor Cyan
+Write-Host "   https://railway.app/dashboard" -ForegroundColor Cyan
+Write-Host ""
+Write-Host "   Tunggu hingga status: ✅ Deployed" -ForegroundColor Green
+Write-Host ""
+
+$waitDeploy = Read-Host "Sudah selesai deploy? (y/n)"
+if ($waitDeploy -ne "y") {
+    Write-Host "⏸️  Tunggu deploy selesai dulu, lalu jalankan test manual" -ForegroundColor Yellow
+    exit 0
+}
+
+# =====================================================
+# 6. TEST DEPLOYMENT
+# =====================================================
+Write-Host ""
+Write-Host "🧪 Testing deployment..." -ForegroundColor Yellow
+Write-Host ""
+
+$railwayUrl = Read-Host "Masukkan URL Railway (contoh: https://your-app.up.railway.app)"
+
+if ([string]::IsNullOrWhiteSpace($railwayUrl)) {
+    Write-Host "⚠️  URL tidak diisi, skip testing" -ForegroundColor Yellow
+    Write-Host "   Test manual dengan:" -ForegroundColor Yellow
+    Write-Host "   curl https://your-app.up.railway.app/" -ForegroundColor Cyan
+    exit 0
+}
+
+# Remove trailing slash
+$railwayUrl = $railwayUrl.TrimEnd('/')
+
+Write-Host ""
+Write-Host "📡 Testing health check..." -ForegroundColor Yellow
+try {
+    $response = Invoke-RestMethod -Uri "$railwayUrl/" -Method Get
+    Write-Host "✅ Health check OK" -ForegroundColor Green
+    Write-Host "   Status: $($response.status)" -ForegroundColor Cyan
+    Write-Host "   Message: $($response.message)" -ForegroundColor Cyan
+    Write-Host "   Version: $($response.version)" -ForegroundColor Cyan
+} catch {
+    Write-Host "❌ Health check failed" -ForegroundColor Red
+    Write-Host "   Error: $_" -ForegroundColor Red
+}
+
+Write-Host ""
+Write-Host "📊 Testing stats..." -ForegroundColor Yellow
+try {
+    $response = Invoke-RestMethod -Uri "$railwayUrl/api/stats" -Method Get
+    Write-Host "✅ Stats OK" -ForegroundColor Green
+    Write-Host "   MQTT Connected: $($response.stats.mqttConnected)" -ForegroundColor Cyan
+    Write-Host "   Sensor Data Count: $($response.stats.sensorDataCount)" -ForegroundColor Cyan
+    Write-Host "   Status History Count: $($response.stats.statusHistoryCount)" -ForegroundColor Cyan
+    Write-Host "   Control Commands Count: $($response.stats.controlCommandsCount)" -ForegroundColor Cyan
+} catch {
+    Write-Host "❌ Stats failed" -ForegroundColor Red
+    Write-Host "   Error: $_" -ForegroundColor Red
+}
+
+Write-Host ""
+Write-Host "🎛️  Testing control command..." -ForegroundColor Yellow
+try {
+    $body = @{
+        command = "HEATER_ON"
+    } | ConvertTo-Json
+    
+    $response = Invoke-RestMethod -Uri "$railwayUrl/api/control" -Method Post -Body $body -ContentType "application/json"
+    Write-Host "✅ Control command OK" -ForegroundColor Green
+    Write-Host "   Success: $($response.success)" -ForegroundColor Cyan
+    Write-Host "   Message: $($response.message)" -ForegroundColor Cyan
+    Write-Host "   Command: $($response.command)" -ForegroundColor Cyan
+} catch {
+    Write-Host "❌ Control command failed" -ForegroundColor Red
+    Write-Host "   Error: $_" -ForegroundColor Red
+}
+
+# =====================================================
+# 7. SELESAI
+# =====================================================
+Write-Host ""
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host "  ✅ DEPLOYMENT SELESAI" -ForegroundColor Green
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host ""
+Write-Host "📋 Next Steps:" -ForegroundColor Yellow
+Write-Host "   1. Cek Railway logs untuk memastikan subscribe ke control topic" -ForegroundColor White
+Write-Host "   2. Upload kode ESP32 (esp32_pengering_ikan_v2.ino)" -ForegroundColor White
+Write-Host "   3. Monitor Serial ESP32 untuk melihat status relay" -ForegroundColor White
+Write-Host "   4. Cek database Railway untuk memastikan data masuk" -ForegroundColor White
+Write-Host ""
+Write-Host "📚 Dokumentasi:" -ForegroundColor Yellow
+Write-Host "   - PERBAIKAN_CONTROL_COMMANDS.md" -ForegroundColor Cyan
+Write-Host "   - DEPLOY_PERBAIKAN.md" -ForegroundColor Cyan
+Write-Host ""
+Write-Host "🔗 Railway URL: $railwayUrl" -ForegroundColor Cyan
+Write-Host ""

backend/server.js

@@ -107,7 +107,8 @@ mqttClient.on('connect', () => {
   mqttClient.subscribe([
     MQTT_TOPICS.data,
     MQTT_TOPICS.status,
-    MQTT_TOPICS.button
+    MQTT_TOPICS.button,
+    MQTT_TOPICS.control
   ], (err) => {
     if (err) {
       console.error('❌ Failed to subscribe:', err);
@@ -116,6 +117,7 @@ mqttClient.on('connect', () => {
       console.log('   -', MQTT_TOPICS.data);
       console.log('   -', MQTT_TOPICS.status);
       console.log('   -', MQTT_TOPICS.button);
+      console.log('   -', MQTT_TOPICS.control);
     }
   });
 });
@@ -224,6 +226,44 @@ mqttClient.on('message', async (topic, message) => {
       console.error('❌ Failed to save button event:', dbError.message);
     }
   }
+  
+  // =====================================================
+  // TOPIC: novil/pengering/control
+  // Format: "STATUS:HEATER_ON", "HEATER_ON", "FAN_OFF", dll
+  // =====================================================
+  if (topic === MQTT_TOPICS.control) {
+    console.log('🎛️  Control Message:', msg);
+    
+    // Jika pesan dimulai dengan "STATUS:", ini adalah feedback dari ESP32
+    if (msg.startsWith('STATUS:')) {
+      const statusMsg = msg.replace('STATUS:', '');
+      console.log('📊 Relay Status Update:', statusMsg);
+      
+      // Update relay state di latestData
+      if (statusMsg === 'HEATER_ON') latestData.relay1 = true;
+      else if (statusMsg === 'HEATER_OFF') latestData.relay1 = false;
+      else if (statusMsg === 'FAN_ON') latestData.relay2 = true;
+      else if (statusMsg === 'FAN_OFF') latestData.relay2 = false;
+      else if (statusMsg === 'EXHAUST_ON') latestData.relay3 = true;
+      else if (statusMsg === 'EXHAUST_OFF') latestData.relay3 = false;
+      
+      // Save status update to status_history
+      try {
+        await db.insertStatusHistory(`RELAY: ${statusMsg}`);
+        console.log('✅ Relay status saved to MySQL database');
+      } catch (dbError) {
+        console.error('❌ Failed to save relay status:', dbError.message);
+      }
+    } else {
+      // Ini adalah command dari API/Flutter, simpan ke control_commands
+      try {
+        await db.insertControlCommand(msg, 'MQTT');
+        console.log('✅ Control command saved to MySQL database');
+      } catch (dbError) {
+        console.error('❌ Failed to save control command:', dbError.message);
+      }
+    }
+  }
 });
 
 // =====================================================
@@ -330,6 +370,44 @@ aedes.on('publish', async (packet, client) => {
         console.error('❌ Failed to save button event:', dbError.message);
       }
     }
+    
+    // =====================================================
+    // TOPIC: novil/pengering/control
+    // Format: "STATUS:HEATER_ON", "HEATER_ON", "FAN_OFF", dll
+    // =====================================================
+    if (topic === 'novil/pengering/control') {
+      console.log('🎛️  Control Message:', message);
+      
+      // Jika pesan dimulai dengan "STATUS:", ini adalah feedback dari ESP32
+      if (message.startsWith('STATUS:')) {
+        const statusMsg = message.replace('STATUS:', '');
+        console.log('📊 Relay Status Update:', statusMsg);
+        
+        // Update relay state di latestData
+        if (statusMsg === 'HEATER_ON') latestData.relay1 = true;
+        else if (statusMsg === 'HEATER_OFF') latestData.relay1 = false;
+        else if (statusMsg === 'FAN_ON') latestData.relay2 = true;
+        else if (statusMsg === 'FAN_OFF') latestData.relay2 = false;
+        else if (statusMsg === 'EXHAUST_ON') latestData.relay3 = true;
+        else if (statusMsg === 'EXHAUST_OFF') latestData.relay3 = false;
+        
+        // Save status update to status_history
+        try {
+          await db.insertStatusHistory(`RELAY: ${statusMsg}`);
+          console.log('✅ Relay status saved to database');
+        } catch (dbError) {
+          console.error('❌ Failed to save relay status:', dbError.message);
+        }
+      } else {
+        // Ini adalah command dari API/Flutter, simpan ke control_commands
+        try {
+          await db.insertControlCommand(message, 'MQTT');
+          console.log('✅ Control command saved to database');
+        } catch (dbError) {
+          console.error('❌ Failed to save control command:', dbError.message);
+        }
+      }
+    }
   }
 });
 

backend/test-control-topic.ps1

@@ -0,0 +1,206 @@
+# =====================================================
+# Script Test Control Topic di Railway
+# =====================================================
+
+param(
+    [Parameter(Mandatory=$false)]
+    [string]$RailwayUrl = ""
+)
+
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host "  TEST CONTROL TOPIC" -ForegroundColor Cyan
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host ""
+
+# Minta URL jika tidak diberikan
+if ([string]::IsNullOrWhiteSpace($RailwayUrl)) {
+    $RailwayUrl = Read-Host "Masukkan URL Railway (contoh: https://your-app.up.railway.app)"
+}
+
+# Remove trailing slash
+$RailwayUrl = $RailwayUrl.TrimEnd('/')
+
+Write-Host "🔗 Railway URL: $RailwayUrl" -ForegroundColor Cyan
+Write-Host ""
+
+# =====================================================
+# 1. HEALTH CHECK
+# =====================================================
+Write-Host "1️⃣  Testing Health Check..." -ForegroundColor Yellow
+try {
+    $response = Invoke-RestMethod -Uri "$RailwayUrl/" -Method Get
+    Write-Host "   ✅ Status: $($response.status)" -ForegroundColor Green
+    Write-Host "   📦 Version: $($response.version)" -ForegroundColor Cyan
+    Write-Host "   ⏱️  Uptime: $([math]::Round($response.uptime, 2))s" -ForegroundColor Cyan
+} catch {
+    Write-Host "   ❌ Failed: $_" -ForegroundColor Red
+    exit 1
+}
+
+Write-Host ""
+
+# =====================================================
+# 2. STATS CHECK
+# =====================================================
+Write-Host "2️⃣  Testing Stats API..." -ForegroundColor Yellow
+try {
+    $response = Invoke-RestMethod -Uri "$RailwayUrl/api/stats" -Method Get
+    Write-Host "   ✅ Stats retrieved successfully" -ForegroundColor Green
+    Write-Host "   🔌 MQTT Connected: $($response.stats.mqttConnected)" -ForegroundColor Cyan
+    Write-Host "   📊 Sensor Data: $($response.stats.sensorDataCount)" -ForegroundColor Cyan
+    Write-Host "   📝 Status History: $($response.stats.statusHistoryCount)" -ForegroundColor Cyan
+    Write-Host "   🎛️  Control Commands: $($response.stats.controlCommandsCount)" -ForegroundColor Cyan
+    
+    if ($response.stats.controlCommandsCount -eq $null) {
+        Write-Host "   ⚠️  WARNING: controlCommandsCount is null!" -ForegroundColor Yellow
+        Write-Host "   Kemungkinan table control_commands belum ada atau kosong" -ForegroundColor Yellow
+    }
+} catch {
+    Write-Host "   ❌ Failed: $_" -ForegroundColor Red
+}
+
+Write-Host ""
+
+# =====================================================
+# 3. TEST CONTROL COMMANDS
+# =====================================================
+Write-Host "3️⃣  Testing Control Commands..." -ForegroundColor Yellow
+
+$commands = @("HEATER_ON", "FAN_ON", "EXHAUST_ON", "HEATER_OFF", "FAN_OFF", "EXHAUST_OFF")
+
+foreach ($cmd in $commands) {
+    Write-Host "   📤 Sending: $cmd" -ForegroundColor Cyan
+    try {
+        $body = @{
+            command = $cmd
+        } | ConvertTo-Json
+        
+        $response = Invoke-RestMethod -Uri "$RailwayUrl/api/control" -Method Post -Body $body -ContentType "application/json"
+        
+        if ($response.success) {
+            Write-Host "      ✅ Success" -ForegroundColor Green
+        } else {
+            Write-Host "      ❌ Failed: $($response.message)" -ForegroundColor Red
+        }
+    } catch {
+        Write-Host "      ❌ Error: $_" -ForegroundColor Red
+    }
+    Start-Sleep -Milliseconds 500
+}
+
+Write-Host ""
+
+# =====================================================
+# 4. CHECK STATS AGAIN
+# =====================================================
+Write-Host "4️⃣  Checking Stats After Commands..." -ForegroundColor Yellow
+try {
+    $response = Invoke-RestMethod -Uri "$RailwayUrl/api/stats" -Method Get
+    Write-Host "   ✅ Stats retrieved" -ForegroundColor Green
+    Write-Host "   🎛️  Control Commands Count: $($response.stats.controlCommandsCount)" -ForegroundColor Cyan
+    
+    if ($response.stats.controlCommandsCount -gt 0) {
+        Write-Host "   ✅ Control commands berhasil tersimpan!" -ForegroundColor Green
+    } else {
+        Write-Host "   ⚠️  Control commands masih 0" -ForegroundColor Yellow
+    }
+} catch {
+    Write-Host "   ❌ Failed: $_" -ForegroundColor Red
+}
+
+Write-Host ""
+
+# =====================================================
+# 5. TEST INVALID COMMAND
+# =====================================================
+Write-Host "5️⃣  Testing Invalid Command..." -ForegroundColor Yellow
+try {
+    $body = @{
+        command = "INVALID_COMMAND"
+    } | ConvertTo-Json
+    
+    $response = Invoke-RestMethod -Uri "$RailwayUrl/api/control" -Method Post -Body $body -ContentType "application/json"
+    Write-Host "   ⚠️  Invalid command accepted (should be rejected)" -ForegroundColor Yellow
+} catch {
+    $errorResponse = $_.ErrorDetails.Message | ConvertFrom-Json
+    if ($errorResponse.message -like "*Invalid command*") {
+        Write-Host "   ✅ Invalid command correctly rejected" -ForegroundColor Green
+    } else {
+        Write-Host "   ❌ Unexpected error: $($errorResponse.message)" -ForegroundColor Red
+    }
+}
+
+Write-Host ""
+
+# =====================================================
+# 6. GET DATA HISTORY
+# =====================================================
+Write-Host "6️⃣  Getting Data History..." -ForegroundColor Yellow
+try {
+    $response = Invoke-RestMethod -Uri "$RailwayUrl/api/data/history?limit=5" -Method Get
+    Write-Host "   ✅ Retrieved $($response.count) records" -ForegroundColor Green
+    
+    if ($response.count -gt 0) {
+        $latest = $response.data[0]
+        Write-Host "   📊 Latest Data:" -ForegroundColor Cyan
+        Write-Host "      Suhu: $($latest.suhu)°C" -ForegroundColor White
+        Write-Host "      Berat: $($latest.berat)g" -ForegroundColor White
+        Write-Host "      Relay1 (Heater): $($latest.relay1)" -ForegroundColor White
+        Write-Host "      Relay2 (Fan): $($latest.relay2)" -ForegroundColor White
+        Write-Host "      Relay3 (Exhaust): $($latest.relay3)" -ForegroundColor White
+        Write-Host "      Status: $($latest.status)" -ForegroundColor White
+        Write-Host "      Timestamp: $($latest.timestamp)" -ForegroundColor White
+    }
+} catch {
+    Write-Host "   ❌ Failed: $_" -ForegroundColor Red
+}
+
+Write-Host ""
+
+# =====================================================
+# 7. GET STATUS HISTORY
+# =====================================================
+Write-Host "7️⃣  Getting Status History..." -ForegroundColor Yellow
+try {
+    $response = Invoke-RestMethod -Uri "$RailwayUrl/api/status/history?limit=10" -Method Get
+    Write-Host "   ✅ Retrieved $($response.count) records" -ForegroundColor Green
+    
+    if ($response.count -gt 0) {
+        Write-Host "   📝 Recent Status Messages:" -ForegroundColor Cyan
+        foreach ($status in $response.data | Select-Object -First 5) {
+            Write-Host "      - $($status.message)" -ForegroundColor White
+        }
+    }
+} catch {
+    Write-Host "   ❌ Failed: $_" -ForegroundColor Red
+}
+
+Write-Host ""
+
+# =====================================================
+# SUMMARY
+# =====================================================
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host "  📋 TEST SUMMARY" -ForegroundColor Cyan
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host ""
+Write-Host "✅ Checklist:" -ForegroundColor Yellow
+Write-Host "   [ ] Health check berhasil" -ForegroundColor White
+Write-Host "   [ ] Stats API menampilkan controlCommandsCount" -ForegroundColor White
+Write-Host "   [ ] Control commands berhasil dikirim" -ForegroundColor White
+Write-Host "   [ ] Control commands tersimpan di database" -ForegroundColor White
+Write-Host "   [ ] Invalid command ditolak" -ForegroundColor White
+Write-Host "   [ ] Data history dapat diambil" -ForegroundColor White
+Write-Host "   [ ] Status history dapat diambil" -ForegroundColor White
+Write-Host ""
+Write-Host "📚 Next Steps:" -ForegroundColor Yellow
+Write-Host "   1. Cek Railway logs untuk melihat MQTT messages" -ForegroundColor White
+Write-Host "   2. Upload ESP32 code dan test dengan hardware" -ForegroundColor White
+Write-Host "   3. Monitor database Railway untuk memastikan data masuk" -ForegroundColor White
+Write-Host ""
+Write-Host "🔗 Useful URLs:" -ForegroundColor Yellow
+Write-Host "   Health: $RailwayUrl/" -ForegroundColor Cyan
+Write-Host "   Stats: $RailwayUrl/api/stats" -ForegroundColor Cyan
+Write-Host "   Control: $RailwayUrl/api/control" -ForegroundColor Cyan
+Write-Host "   History: $RailwayUrl/api/data/history" -ForegroundColor Cyan
+Write-Host ""