feat(api): automatizaciones Monday — round-robin de leads, recordatorio inactividad 10d, webhooks reales y polling cron

- Servicio de automatizaciones con estado persistido en SQLite (índice RR, dedup de recordatorios)
- Webhook Monday procesa create_item del board Leads y asigna vendedor
- Crons: polling cada 5 min (respaldo sin webhook público) + escaneo diario 9am
- Endpoints admin: /api/automatizaciones/estado, /round-robin/run, /inactividad/preview
- 15 tests nuevos (70/70 verdes)

api-gateway/package-lock.json

@@ -13,6 +13,7 @@
         "dotenv": "^16.4.5",
         "express": "^5.1.0",
         "multer": "^2.0.2",
+        "node-cron": "^4.6.0",
         "zod": "^3.25.76"
       },
       "devDependencies": {
@@ -20,6 +21,7 @@
         "@types/express": "^5.0.3",
         "@types/multer": "^2.0.0",
         "@types/node": "^22.15.0",
+        "@types/node-cron": "^3.0.11",
         "prisma": "^6.14.0",
         "tsx": "^4.20.3",
         "typescript": "^5.9.2",
@@ -1045,6 +1047,13 @@
         "undici-types": "~6.21.0"
       }
     },
+    "node_modules/@types/node-cron": {
+      "version": "3.0.11",
+      "resolved": "https://registry.npmjs.org/@types/node-cron/-/node-cron-3.0.11.tgz",
+      "integrity": "sha512-0ikrnug3/IyneSHqCBeslAhlK2aBfYek1fGo4bP4QnZPmiqSGRK+Oy7ZMisLWkesffJvQ1cqAcBnJC+8+nxIAg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/qs": {
       "version": "6.15.1",
       "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.15.1.tgz",
@@ -2244,6 +2253,15 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/node-cron": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/node-cron/-/node-cron-4.6.0.tgz",
+      "integrity": "sha512-Si/bzYiKRHOB8/a99T2+SDGN582ONDMSTlJr5oCkT6GtnqPjZ2s10eoQRYkW9ZHwjVxONL+W8Fb+qR0AHMQsdg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=20"
+      }
+    },
     "node_modules/node-fetch-native": {
       "version": "1.6.7",
       "resolved": "https://registry.npmjs.org/node-fetch-native/-/node-fetch-native-1.6.7.tgz",