SLA: cap by retention in API; SLA UI uses effective days and shows retention notice; rebuild client

client/package-lock.json

@@ -18,9 +18,30 @@
         "react-router-dom": "^7.10.0",
         "react-scripts": "5.0.1",
         "recharts": "^3.5.1",
+        "skywatch": "file:..",
         "web-vitals": "^2.1.4"
       }
     },
+    "..": {
+      "name": "skywatch",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "axios": "^1.6.2",
+        "better-sqlite3": "^9.2.2",
+        "cors": "^2.8.5",
+        "dotenv": "^16.3.1",
+        "express": "^4.18.2",
+        "node-cron": "^3.0.3",
+        "nodemailer": "^6.9.7",
+        "ping": "^0.4.4",
+        "ws": "^8.17.1"
+      },
+      "devDependencies": {
+        "concurrently": "^8.2.2",
+        "nodemon": "^3.0.2"
+      }
+    },
     "node_modules/@adobe/css-tools": {
       "version": "4.4.4",
       "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.4.4.tgz",
@@ -15313,6 +15334,10 @@
       "integrity": "sha512-bLGGlR1QxBcynn2d5YmDX4MGjlZvy2MRBDRNHLJ8VI6l6+9FUiyTFNJ0IveOSP0bcXgVDPRcfGqA0pjaqUpfVg==",
       "license": "MIT"
     },
+    "node_modules/skywatch": {
+      "resolved": "..",
+      "link": true
+    },
     "node_modules/slash": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",