Rename variables for clarity and update browser pool management

package-lock.json

@@ -10,7 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "express": "^4.18.2",
-        "node-html-to-image": "^5.0.0"
+        "puppeteer": "^23.0.0"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -1001,27 +1001,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/handlebars": {
-      "version": "4.7.8",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.8.tgz",
-      "integrity": "sha512-vafaFqs8MZkRrSX7sFVUdo3ap/eNiLnb4IakshzvP56X5Nr1iGKAIqdX6tMlm6HcNRIkr6AxO5jFEoJzzpT8aQ==",
-      "license": "MIT",
-      "dependencies": {
-        "minimist": "^1.2.5",
-        "neo-async": "^2.6.2",
-        "source-map": "^0.6.1",
-        "wordwrap": "^1.0.0"
-      },
-      "bin": {
-        "handlebars": "bin/handlebars"
-      },
-      "engines": {
-        "node": ">=0.4.7"
-      },
-      "optionalDependencies": {
-        "uglify-js": "^3.1.4"
-      }
-    },
     "node_modules/has-symbols": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
@@ -1287,15 +1266,6 @@
         "node": ">= 0.6"
       }
     },
-    "node_modules/minimist": {
-      "version": "1.2.8",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
-      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/mitt": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/mitt/-/mitt-3.0.1.tgz",
@@ -1317,12 +1287,6 @@
         "node": ">= 0.6"
       }
     },
-    "node_modules/neo-async": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
-      "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==",
-      "license": "MIT"
-    },
     "node_modules/netmask": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/netmask/-/netmask-2.0.2.tgz",
@@ -1332,17 +1296,6 @@
         "node": ">= 0.4.0"
       }
     },
-    "node_modules/node-html-to-image": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/node-html-to-image/-/node-html-to-image-5.0.0.tgz",
-      "integrity": "sha512-mRnggiH3PLJbBaiUMc6Assw5EKwy4uaXVIBnfd/MiqWAOJN3A6ktDwpuKhpIVaXNPeojPCD//yDGGJT+GF2CPQ==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "handlebars": "4.7.8",
-        "puppeteer": "23.2.2",
-        "puppeteer-cluster": "0.24.0"
-      }
-    },
     "node_modules/object-inspect": {
       "version": "1.13.4",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
@@ -1545,18 +1498,6 @@
         "node": ">=18"
       }
     },
-    "node_modules/puppeteer-cluster": {
-      "version": "0.24.0",
-      "resolved": "https://registry.npmjs.org/puppeteer-cluster/-/puppeteer-cluster-0.24.0.tgz",
-      "integrity": "sha512-zHPoNsrwkFLKFtgJJv2aC13EbMASQsE048uZd7CyikEXcl+sc1Nf6PMFb9kMoZI7/zMYxvuP658o2mw079ZZyQ==",
-      "license": "MIT",
-      "dependencies": {
-        "debug": "^4.3.4"
-      },
-      "peerDependencies": {
-        "puppeteer": ">=22.0.0"
-      }
-    },
     "node_modules/puppeteer-core": {
       "version": "23.2.2",
       "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-23.2.2.tgz",
@@ -1844,6 +1785,7 @@
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
       "license": "BSD-3-Clause",
+      "optional": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -1968,19 +1910,6 @@
       "integrity": "sha512-SbklCd1F0EiZOyPiW192rrHZzZ5sBijB6xM+cpmrwDqObvdtunOHHIk9fCGsoK5JVIYXoyEp4iEdE3upFH3PAg==",
       "license": "MIT"
     },
-    "node_modules/uglify-js": {
-      "version": "3.19.3",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.3.tgz",
-      "integrity": "sha512-v3Xu+yuwBXisp6QYTcH4UbH+xYJXqnq2m/LtQVWKWzYc1iehYnLixoQDN9FH6/j9/oybfd6W9Ghwkl8+UMKTKQ==",
-      "license": "BSD-2-Clause",
-      "optional": true,
-      "bin": {
-        "uglifyjs": "bin/uglifyjs"
-      },
-      "engines": {
-        "node": ">=0.8.0"
-      }
-    },
     "node_modules/unbzip2-stream": {
       "version": "1.4.3",
       "resolved": "https://registry.npmjs.org/unbzip2-stream/-/unbzip2-stream-1.4.3.tgz",
@@ -2031,12 +1960,6 @@
         "node": ">= 0.8"
       }
     },
-    "node_modules/wordwrap": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
-      "integrity": "sha512-gvVzJFlPycKc5dZN4yPkP8w7Dc37BtP1yczEneOb4uq34pXZcvrtRTmWV8W+Ume+XCxKgbjM+nevkyFPMybd4Q==",
-      "license": "MIT"
-    },
     "node_modules/wrap-ansi": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",