feat: local dev setup with SSR fix and one-command dev script

- Add Next.js instrumentation.ts to polyfill Node.js v25+ broken localStorage
- Add dev-setup.sh for one-command local development setup
- Disable Supabase analytics in config.toml (avoids slow logflare image pull)
- Switch backend dev script to tsx watch for better DX

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

dev-setup.sh

@@ -0,0 +1,99 @@
+#!/bin/bash
+set -e
+
+# Colors
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+RED='\033[0;31m'
+NC='\033[0m'
+
+echo -e "${GREEN}🚀 Website Monitoring — Local Development Setup${NC}"
+echo "================================================"
+echo ""
+
+# 1. Check prerequisites
+echo -e "${YELLOW}[1/6] Checking prerequisites...${NC}"
+command -v node >/dev/null 2>&1 || { echo -e "${RED}❌ Node.js not found. Install it from https://nodejs.org${NC}"; exit 1; }
+command -v docker >/dev/null 2>&1 || { echo -e "${RED}❌ Docker not found. Install Docker Desktop.${NC}"; exit 1; }
+command -v supabase >/dev/null 2>&1 || { echo -e "${RED}❌ Supabase CLI not found. Run: brew install supabase/tap/supabase${NC}"; exit 1; }
+echo "  ✅ Node $(node --version), Docker, Supabase CLI found"
+
+# 2. Start Supabase (if not already running)
+echo ""
+echo -e "${YELLOW}[2/6] Starting local Supabase...${NC}"
+cd website-monitoring-frontend
+if supabase status 2>&1 | grep -q "API URL"; then
+  echo "  ✅ Supabase already running"
+else
+  echo "  ⏳ Starting Supabase (first time takes ~5 min to pull images)..."
+  supabase start
+fi
+
+# Extract keys from supabase status
+API_URL=$(supabase status 2>&1 | grep "API URL" | awk '{print $NF}')
+ANON_KEY=$(supabase status 2>&1 | grep "anon key" | awk '{print $NF}')
+SERVICE_KEY=$(supabase status 2>&1 | grep "service_role key" | awk '{print $NF}')
+STUDIO_URL=$(supabase status 2>&1 | grep "Studio URL" | awk '{print $NF}')
+
+echo "  ✅ Supabase running:"
+echo "     API:    $API_URL"
+echo "     Studio: $STUDIO_URL"
+
+# 3. Create frontend .env.local
+echo ""
+echo -e "${YELLOW}[3/6] Configuring frontend environment...${NC}"
+cat > .env.local << EOF
+# Auto-generated by dev-setup.sh — local Supabase
+NEXT_PUBLIC_SUPABASE_URL=${API_URL}
+NEXT_PUBLIC_SUPABASE_ANON_KEY=${ANON_KEY}
+SUPABASE_SERVICE_ROLE_KEY=${SERVICE_KEY}
+LIGHTHOUSE_SERVICE_URL=http://localhost:5000
+CRON_SECRET=local-dev-secret
+EOF
+echo "  ✅ Created website-monitoring-frontend/.env.local"
+cd ..
+
+# 4. Create backend .env
+echo ""
+echo -e "${YELLOW}[4/6] Configuring backend environment...${NC}"
+cat > website-monitoring-backend/.env << EOF
+PORT=5000
+CORS_ORIGIN=http://localhost:3000
+NODE_ENV=development
+EOF
+echo "  ✅ Created website-monitoring-backend/.env"
+
+# 5. Install dependencies
+echo ""
+echo -e "${YELLOW}[5/6] Installing dependencies...${NC}"
+npm install --silent 2>/dev/null
+cd website-monitoring-backend && npm install --silent 2>/dev/null && cd ..
+cd website-monitoring-frontend && npm install --silent 2>/dev/null && cd ..
+echo "  ✅ Dependencies installed"
+
+# 6. Run database migrations
+echo ""
+echo -e "${YELLOW}[6/6] Applying database migrations...${NC}"
+cd website-monitoring-frontend
+supabase db reset --no-seed 2>/dev/null || echo "  ⚠️  Migrations may need manual review (run: cd website-monitoring-frontend && supabase db reset)"
+cd ..
+
+echo ""
+echo -e "${GREEN}════════════════════════════════════════════${NC}"
+echo -e "${GREEN}✅ Setup complete! Start developing:${NC}"
+echo ""
+echo "  npm run dev"
+echo ""
+echo -e "  Frontend:  ${GREEN}http://localhost:3000${NC}"
+echo -e "  Backend:   ${GREEN}http://localhost:5000${NC}"
+echo -e "  Supabase:  ${GREEN}${STUDIO_URL}${NC}  (admin DB browser)"
+echo ""
+echo -e "${YELLOW}📋 Quick commands:${NC}"
+echo "  npm test              — run all tests"
+echo "  npm run build         — build everything"
+echo "  npm run lint          — lint everything"
+echo "  supabase stop         — stop local DB (in website-monitoring-frontend/)"
+echo ""
+echo -e "${YELLOW}🔑 Test cron endpoints locally:${NC}"
+echo "  curl -H 'Authorization: Bearer local-dev-secret' http://localhost:3000/api/cron/uptime"
+echo ""

website-monitoring-backend/package-lock.json

@@ -33,7 +33,8 @@
         "jest": "^30.2.0",
         "prettier": "^3.8.1",
         "supertest": "^7.2.2",
-        "ts-jest": "^29.4.6"
+        "ts-jest": "^29.4.6",
+        "tsx": "^4.21.0"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -669,6 +670,448 @@
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       }
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+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@eslint-community/eslint-utils": {
       "version": "4.9.1",
       "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.9.1.tgz",
@@ -3923,6 +4366,48 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/esbuild": {
+      "version": "0.27.3",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.27.3.tgz",
+      "integrity": "sha512-8VwMnyGCONIs6cWue2IdpHxHnAjzxnw2Zr7MkVxB2vjmQ2ivqGFb4LEG3SMnv0Gb2F/G/2yA8zUaiL1gywDCCg==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "bin": {
+        "esbuild": "bin/esbuild"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "optionalDependencies": {
+        "@esbuild/aix-ppc64": "0.27.3",
+        "@esbuild/android-arm": "0.27.3",
+        "@esbuild/android-arm64": "0.27.3",
+        "@esbuild/android-x64": "0.27.3",
+        "@esbuild/darwin-arm64": "0.27.3",
+        "@esbuild/darwin-x64": "0.27.3",
+        "@esbuild/freebsd-arm64": "0.27.3",
+        "@esbuild/freebsd-x64": "0.27.3",
+        "@esbuild/linux-arm": "0.27.3",
+        "@esbuild/linux-arm64": "0.27.3",
+        "@esbuild/linux-ia32": "0.27.3",
+        "@esbuild/linux-loong64": "0.27.3",
+        "@esbuild/linux-mips64el": "0.27.3",
+        "@esbuild/linux-ppc64": "0.27.3",
+        "@esbuild/linux-riscv64": "0.27.3",
+        "@esbuild/linux-s390x": "0.27.3",
+        "@esbuild/linux-x64": "0.27.3",
+        "@esbuild/netbsd-arm64": "0.27.3",
+        "@esbuild/netbsd-x64": "0.27.3",
+        "@esbuild/openbsd-arm64": "0.27.3",
+        "@esbuild/openbsd-x64": "0.27.3",
+        "@esbuild/openharmony-arm64": "0.27.3",
+        "@esbuild/sunos-x64": "0.27.3",
+        "@esbuild/win32-arm64": "0.27.3",
+        "@esbuild/win32-ia32": "0.27.3",
+        "@esbuild/win32-x64": "0.27.3"
+      }
+    },
     "node_modules/escalade": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.2.0.tgz",
@@ -4704,6 +5189,19 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/get-tsconfig": {
+      "version": "4.13.6",
+      "resolved": "https://registry.npmjs.org/get-tsconfig/-/get-tsconfig-4.13.6.tgz",
+      "integrity": "sha512-shZT/QMiSHc/YBLxxOkMtgSid5HFoauqCE3/exfsEcwg1WkeqjG+V40yBbBrsD+jW2HDXcs28xOfcbm2jI8Ddw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "resolve-pkg-maps": "^1.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/privatenumber/get-tsconfig?sponsor=1"
+      }
+    },
     "node_modules/get-uri": {
       "version": "6.0.4",
       "resolved": "https://registry.npmjs.org/get-uri/-/get-uri-6.0.4.tgz",
@@ -7401,6 +7899,16 @@
         "node": ">=8"
       }
     },
+    "node_modules/resolve-pkg-maps": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz",
+      "integrity": "sha512-seS2Tj26TBVOC2NIc2rOe2y2ZO7efxITtLZcGSOnHHNOQ7CkiUBfw0Iw2ck6xkIhPwLhKNLS8BO+hEpngQlqzw==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/privatenumber/resolve-pkg-maps?sponsor=1"
+      }
+    },
     "node_modules/robots-parser": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/robots-parser/-/robots-parser-3.0.1.tgz",
@@ -8358,6 +8866,26 @@
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
       "license": "0BSD"
     },
+    "node_modules/tsx": {
+      "version": "4.21.0",
+      "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.21.0.tgz",
+      "integrity": "sha512-5C1sg4USs1lfG0GFb2RLXsdpXqBSEhAaA/0kPL01wxzpMqLILNxIxIOKiILz+cdg/pLnOUxFYOR5yhHU666wbw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "esbuild": "~0.27.0",
+        "get-tsconfig": "^4.7.5"
+      },
+      "bin": {
+        "tsx": "dist/cli.mjs"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      },
+      "optionalDependencies": {
+        "fsevents": "~2.3.3"
+      }
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",

website-monitoring-backend/package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "build": "tsc",
     "start": "node dist/index.js",
-    "dev": "tsc --watch",
+    "dev": "tsx watch src/index.ts",
     "test": "NODE_OPTIONS='--experimental-vm-modules' jest --passWithNoTests",
     "test:coverage": "NODE_OPTIONS='--experimental-vm-modules' jest --coverage",
     "lint": "eslint src/",
@@ -50,6 +50,7 @@
     "jest": "^30.2.0",
     "prettier": "^3.8.1",
     "supertest": "^7.2.2",
-    "ts-jest": "^29.4.6"
+    "ts-jest": "^29.4.6",
+    "tsx": "^4.21.0"
   }
 }

website-monitoring-frontend/src/instrumentation.ts

@@ -0,0 +1,24 @@
+/**
+ * Next.js instrumentation — runs before any other code on the server.
+ * Patches the broken Node.js v25+ localStorage (--localstorage-file not set).
+ */
+export async function register() {
+  if (typeof globalThis.localStorage !== "undefined") {
+    const ls = globalThis.localStorage;
+    if (typeof ls.getItem !== "function") {
+      const store = new Map<string, string>();
+      Object.defineProperty(globalThis, "localStorage", {
+        value: {
+          getItem: (key: string) => store.get(key) ?? null,
+          setItem: (key: string, val: string) => { store.set(key, val); },
+          removeItem: (key: string) => { store.delete(key); },
+          clear: () => { store.clear(); },
+          get length() { return store.size; },
+          key: (i: number) => Array.from(store.keys())[i] ?? null,
+        },
+        writable: true,
+        configurable: true,
+      });
+    }
+  }
+}

website-monitoring-frontend/supabase/config.toml

@@ -315,7 +315,7 @@ deno_version = 1
 # secret_key = "env(SECRET_VALUE)"
 
 [analytics]
-enabled = true
+enabled = false
 port = 54327
 # Configure one of the supported backends: `postgres`, `bigquery`.
 backend = "postgres"