feat: WordPress Monitor API + Site Availability Checker

- Add POST /api/wp-monitor endpoint for WP plugin data
- Add GET /api/wp-monitor for listing monitored sites
- Add checkSiteAvailability() function for HTTP health checks
- Add checkAllSitesAvailability() for batch checking
- Add /api/scripts/check-sites.ts for cron execution
- Add POST /api/monitor/check-sites for manual trigger

DeskCRM Task: #1556

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api/routes/hetzner.ts

@@ -0,0 +1,141 @@
+/**
+ * Hetzner Cloud API Routes
+ * @author Descomplicar® | @link descomplicar.pt | @copyright 2026
+ */
+import { Router, Request, Response } from 'express'
+import {
+  syncServers,
+  collectAllMetrics,
+  collectMetrics,
+  getHetznerDashboard,
+  getMetricsHistory,
+  cleanupOldMetrics
+} from '../services/hetzner.js'
+
+const router = Router()
+
+// GET /api/hetzner - Dashboard data (servidores + últimas métricas)
+router.get('/', async (_req: Request, res: Response) => {
+  try {
+    const data = await getHetznerDashboard()
+    res.json({
+      success: true,
+      data
+    })
+  } catch (error) {
+    console.error('Error fetching Hetzner dashboard:', error)
+    res.status(500).json({
+      success: false,
+      error: 'Failed to fetch Hetzner data'
+    })
+  }
+})
+
+// POST /api/hetzner/sync - Sincronizar lista de servidores
+router.post('/sync', async (_req: Request, res: Response) => {
+  try {
+    const synced = await syncServers()
+    res.json({
+      success: true,
+      message: `Sincronizados ${synced} servidores`,
+      synced
+    })
+  } catch (error) {
+    console.error('Error syncing servers:', error)
+    res.status(500).json({
+      success: false,
+      error: 'Failed to sync servers'
+    })
+  }
+})
+
+// POST /api/hetzner/collect - Recolher métricas de todos os servidores
+router.post('/collect', async (_req: Request, res: Response) => {
+  try {
+    const result = await collectAllMetrics()
+    res.json({
+      success: true,
+      message: `Recolhidas métricas: ${result.success} OK, ${result.failed} falharam`,
+      ...result
+    })
+  } catch (error) {
+    console.error('Error collecting metrics:', error)
+    res.status(500).json({
+      success: false,
+      error: 'Failed to collect metrics'
+    })
+  }
+})
+
+// POST /api/hetzner/collect/:hetzner_id - Recolher métricas de um servidor específico
+router.post('/collect/:hetzner_id', async (req: Request, res: Response) => {
+  try {
+    const hetzner_id = parseInt(req.params.hetzner_id)
+    if (isNaN(hetzner_id)) {
+      return res.status(400).json({
+        success: false,
+        error: 'Invalid server ID'
+      })
+    }
+
+    const success = await collectMetrics(hetzner_id)
+    res.json({
+      success,
+      message: success ? 'Métricas recolhidas' : 'Falha ao recolher métricas'
+    })
+  } catch (error) {
+    console.error('Error collecting metrics:', error)
+    res.status(500).json({
+      success: false,
+      error: 'Failed to collect metrics'
+    })
+  }
+})
+
+// GET /api/hetzner/history/:server_id - Histórico de métricas para gráficos
+router.get('/history/:server_id', async (req: Request, res: Response) => {
+  try {
+    const server_id = parseInt(req.params.server_id)
+    const hours = parseInt(req.query.hours as string) || 24
+
+    if (isNaN(server_id)) {
+      return res.status(400).json({
+        success: false,
+        error: 'Invalid server ID'
+      })
+    }
+
+    const metrics = await getMetricsHistory(server_id, hours)
+    res.json({
+      success: true,
+      data: metrics
+    })
+  } catch (error) {
+    console.error('Error fetching metrics history:', error)
+    res.status(500).json({
+      success: false,
+      error: 'Failed to fetch metrics history'
+    })
+  }
+})
+
+// POST /api/hetzner/cleanup - Limpar métricas antigas
+router.post('/cleanup', async (req: Request, res: Response) => {
+  try {
+    const days = parseInt(req.query.days as string) || 7
+    const deleted = await cleanupOldMetrics(days)
+    res.json({
+      success: true,
+      message: `Eliminadas ${deleted} entradas com mais de ${days} dias`,
+      deleted
+    })
+  } catch (error) {
+    console.error('Error cleaning up metrics:', error)
+    res.status(500).json({
+      success: false,
+      error: 'Failed to cleanup metrics'
+    })
+  }
+})
+
+export default router