diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..95d780e
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,23 @@
+import js from "@eslint/js";
+import globals from "globals";
+
+export default [
+  {
+    ignores: ["dist/", "artifacts/", "test_logs/", "coverage/"],
+  },
+  js.configs.recommended,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      },
+      ecmaVersion: "latest",
+      sourceType: "module",
+    },
+    rules: {
+      "no-unused-vars": "warn",
+      "no-console": "off",
+    },
+  },
+];
diff --git a/package-lock.json b/package-lock.json
index db387ac..c11e25e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,201 @@
       "dependencies": {
         "nostr-tools": "2.19.4",
         "ws": "8.19.0"
+      },
+      "devDependencies": {
+        "@eslint/js": "^10.0.1",
+        "eslint": "^10.0.0",
+        "globals": "^17.3.0"
+      }
+    },
+    "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",
+      "integrity": "sha512-phrYmNiYppR7znFEdqgfWHXR6NCkZEK7hwWDHZUjit/2/U0r6XvkDl0SYnoM51Hq7FhCGdLDT6zxCCOY1hexsQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "eslint-visitor-keys": "^3.4.3"
+      },
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^6.0.0 || ^7.0.0 || >=8.0.0"
+      }
+    },
+    "node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys": {
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-3.4.3.tgz",
+      "integrity": "sha512-wpc+LXeiyiisxPlEkUzU6svyS1frIO3Mgxj1fdy7Pm8Ygzguax2N3Fa/D/ag1WqbOprdI+uY6wMUl8/a2G+iag==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
+    "node_modules/@eslint-community/regexpp": {
+      "version": "4.12.2",
+      "resolved": "https://registry.npmjs.org/@eslint-community/regexpp/-/regexpp-4.12.2.tgz",
+      "integrity": "sha512-EriSTlt5OC9/7SXkRSCAhfSxxoSUgBm33OH+IkwbdpgoqsSsUg7y3uh+IICI/Qg4BBWr3U2i39RpmycbxMq4ew==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^12.0.0 || ^14.0.0 || >=16.0.0"
+      }
+    },
+    "node_modules/@eslint/config-array": {
+      "version": "0.23.1",
+      "resolved": "https://registry.npmjs.org/@eslint/config-array/-/config-array-0.23.1.tgz",
+      "integrity": "sha512-uVSdg/V4dfQmTjJzR0szNczjOH/J+FyUMMjYtr07xFRXR7EDf9i1qdxrD0VusZH9knj1/ecxzCQQxyic5NzAiA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@eslint/object-schema": "^3.0.1",
+        "debug": "^4.3.1",
+        "minimatch": "^10.1.1"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "node_modules/@eslint/config-helpers": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/@eslint/config-helpers/-/config-helpers-0.5.2.tgz",
+      "integrity": "sha512-a5MxrdDXEvqnIq+LisyCX6tQMPF/dSJpCfBgBauY+pNZ28yCtSsTvyTYrMhaI+LK26bVyCJfJkT0u8KIj2i1dQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@eslint/core": "^1.1.0"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "node_modules/@eslint/core": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@eslint/core/-/core-1.1.0.tgz",
+      "integrity": "sha512-/nr9K9wkr3P1EzFTdFdMoLuo1PmIxjmwvPozwoSodjNBdefGujXQUF93u1DDZpEaTuDvMsIQddsd35BwtrW9Xw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@types/json-schema": "^7.0.15"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "node_modules/@eslint/js": {
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-10.0.1.tgz",
+      "integrity": "sha512-zeR9k5pd4gxjZ0abRoIaxdc7I3nDktoXZk2qOv9gCNWx3mVwEn32VRhyLaRsDiJjTs0xq/T8mfPtyuXu7GWBcA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      },
+      "funding": {
+        "url": "https://eslint.org/donate"
+      },
+      "peerDependencies": {
+        "eslint": "^10.0.0"
+      },
+      "peerDependenciesMeta": {
+        "eslint": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@eslint/object-schema": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/@eslint/object-schema/-/object-schema-3.0.1.tgz",
+      "integrity": "sha512-P9cq2dpr+LU8j3qbLygLcSZrl2/ds/pUpfnHNNuk5HW7mnngHs+6WSq5C9mO3rqRX8A1poxqLTC9cu0KOyJlBg==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "node_modules/@eslint/plugin-kit": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/@eslint/plugin-kit/-/plugin-kit-0.6.0.tgz",
+      "integrity": "sha512-bIZEUzOI1jkhviX2cp5vNyXQc6olzb2ohewQubuYlMXZ2Q/XjBO0x0XhGPvc9fjSIiUN0vw+0hq53BJ4eQSJKQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@eslint/core": "^1.1.0",
+        "levn": "^0.4.1"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      }
+    },
+    "node_modules/@humanfs/core": {
+      "version": "0.19.1",
+      "resolved": "https://registry.npmjs.org/@humanfs/core/-/core-0.19.1.tgz",
+      "integrity": "sha512-5DyQ4+1JEUzejeK1JGICcideyfUbGixgS9jNgex5nqkW+cY7WZhxBigmieN5Qnw9ZosSNVC9KQKyb+GUaGyKUA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18.18.0"
+      }
+    },
+    "node_modules/@humanfs/node": {
+      "version": "0.16.7",
+      "resolved": "https://registry.npmjs.org/@humanfs/node/-/node-0.16.7.tgz",
+      "integrity": "sha512-/zUx+yOsIrG4Y43Eh2peDeKCxlRt/gET6aHfaKpuq267qXdYDFViVHfMaLyygZOnl0kGWxFIgsBy8QFuTLUXEQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@humanfs/core": "^0.19.1",
+        "@humanwhocodes/retry": "^0.4.0"
+      },
+      "engines": {
+        "node": ">=18.18.0"
+      }
+    },
+    "node_modules/@humanwhocodes/module-importer": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/module-importer/-/module-importer-1.0.1.tgz",
+      "integrity": "sha512-bxveV4V8v5Yb4ncFTT3rPSgZBOpCkjfK0y4oVVVJwIuDVBRMDXrPyXRL988i5ap9m9bnyEEjWfm5WkBmtffLfA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=12.22"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/nzakas"
+      }
+    },
+    "node_modules/@humanwhocodes/retry": {
+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/retry/-/retry-0.4.3.tgz",
+      "integrity": "sha512-bV0Tgo9K4hfPCek+aMAn81RppFKv2ySDQeMoSZuvTASywNTnVJCArCZE2FWqpvIatKu7VMRLWlR1EazvVhDyhQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18.18"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/nzakas"
+      }
+    },
+    "node_modules/@isaacs/cliui": {
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-9.0.0.tgz",
+      "integrity": "sha512-AokJm4tuBHillT+FpMtxQ60n8ObyXBatq7jD2/JA9dxbDDokKQm8KMht5ibGzLVU9IJDIKK4TPKgMHEYMn3lMg==",
+      "dev": true,
+      "license": "BlueOak-1.0.0",
+      "engines": {
+        "node": ">=18"
       }
     },
     "node_modules/@noble/ciphers": {
@@ -108,6 +303,553 @@
         "url": "https://paulmillr.com/funding/"
       }
     },
+    "node_modules/@types/esrecurse": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@types/esrecurse/-/esrecurse-4.3.1.tgz",
+      "integrity": "sha512-xJBAbDifo5hpffDBuHl0Y8ywswbiAp/Wi7Y/GtAgSlZyIABppyurxVueOPE8LUQOxdlgi6Zqce7uoEpqNTeiUw==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@types/estree": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
+      "integrity": "sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@types/json-schema": {
+      "version": "7.0.15",
+      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
+      "integrity": "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/acorn": {
+      "version": "8.15.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
+      "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/acorn-jsx": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.2.tgz",
+      "integrity": "sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==",
+      "dev": true,
+      "license": "MIT",
+      "peerDependencies": {
+        "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
+      }
+    },
+    "node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/balanced-match": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-4.0.2.tgz",
+      "integrity": "sha512-x0K50QvKQ97fdEz2kPehIerj+YTeptKF9hyYkKf6egnwmMWAkADiO0QCzSp0R5xN8FTZgYaBfSaue46Ej62nMg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "jackspeak": "^4.2.3"
+      },
+      "engines": {
+        "node": "20 || >=22"
+      }
+    },
+    "node_modules/brace-expansion": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.2.tgz",
+      "integrity": "sha512-Pdk8c9poy+YhOgVWw1JNN22/HcivgKWwpxKq04M/jTmHyCZn12WPJebZxdjSa5TmBqISrUSgNYU3eRORljfCCw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "balanced-match": "^4.0.2"
+      },
+      "engines": {
+        "node": "20 || >=22"
+      }
+    },
+    "node_modules/cross-spawn": {
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "path-key": "^3.1.0",
+        "shebang-command": "^2.0.0",
+        "which": "^2.0.1"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/deep-is": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
+      "integrity": "sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/escape-string-regexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
+      "integrity": "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/eslint": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-10.0.0.tgz",
+      "integrity": "sha512-O0piBKY36YSJhlFSG8p9VUdPV/SxxS4FYDWVpr/9GJuMaepzwlf4J8I4ov1b+ySQfDTPhc3DtLaxcT1fN0yqCg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@eslint-community/eslint-utils": "^4.8.0",
+        "@eslint-community/regexpp": "^4.12.2",
+        "@eslint/config-array": "^0.23.0",
+        "@eslint/config-helpers": "^0.5.2",
+        "@eslint/core": "^1.1.0",
+        "@eslint/plugin-kit": "^0.6.0",
+        "@humanfs/node": "^0.16.6",
+        "@humanwhocodes/module-importer": "^1.0.1",
+        "@humanwhocodes/retry": "^0.4.2",
+        "@types/estree": "^1.0.6",
+        "ajv": "^6.12.4",
+        "cross-spawn": "^7.0.6",
+        "debug": "^4.3.2",
+        "escape-string-regexp": "^4.0.0",
+        "eslint-scope": "^9.1.0",
+        "eslint-visitor-keys": "^5.0.0",
+        "espree": "^11.1.0",
+        "esquery": "^1.7.0",
+        "esutils": "^2.0.2",
+        "fast-deep-equal": "^3.1.3",
+        "file-entry-cache": "^8.0.0",
+        "find-up": "^5.0.0",
+        "glob-parent": "^6.0.2",
+        "ignore": "^5.2.0",
+        "imurmurhash": "^0.1.4",
+        "is-glob": "^4.0.0",
+        "json-stable-stringify-without-jsonify": "^1.0.1",
+        "minimatch": "^10.1.1",
+        "natural-compare": "^1.4.0",
+        "optionator": "^0.9.3"
+      },
+      "bin": {
+        "eslint": "bin/eslint.js"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      },
+      "funding": {
+        "url": "https://eslint.org/donate"
+      },
+      "peerDependencies": {
+        "jiti": "*"
+      },
+      "peerDependenciesMeta": {
+        "jiti": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/eslint-scope": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-9.1.0.tgz",
+      "integrity": "sha512-CkWE42hOJsNj9FJRaoMX9waUFYhqY4jmyLFdAdzZr6VaCg3ynLYx4WnOdkaIifGfH4gsUcBTn4OZbHXkpLD0FQ==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "@types/esrecurse": "^4.3.1",
+        "@types/estree": "^1.0.8",
+        "esrecurse": "^4.3.0",
+        "estraverse": "^5.2.0"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
+    "node_modules/eslint-visitor-keys": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-5.0.0.tgz",
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+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
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+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
+    "node_modules/espree": {
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+      "resolved": "https://registry.npmjs.org/espree/-/espree-11.1.0.tgz",
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+      "dev": true,
+      "license": "BSD-2-Clause",
+      "dependencies": {
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+    "node_modules/uri-js": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "punycode": "^2.1.0"
+      }
+    },
+    "node_modules/which": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
+      "bin": {
+        "node-which": "bin/node-which"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/word-wrap": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
+      "integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/ws": {
       "version": "8.19.0",
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.19.0.tgz",
@@ -157,6 +1061,19 @@
           "optional": true
         }
       }
+    },
+    "node_modules/yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index b2d0c19..4092023 100644
--- a/package.json
+++ b/package.json
@@ -11,10 +11,16 @@
     "lock:list": "node src/nostr-lock.mjs list",
     "lock:lock": "node src/nostr-lock.mjs lock",
     "dashboard:serve": "python3 -m http.server 4173",
-    "build": "node build.mjs"
+    "build": "node build.mjs",
+    "lint": "eslint ."
   },
   "dependencies": {
     "nostr-tools": "2.19.4",
     "ws": "8.19.0"
+  },
+  "devDependencies": {
+    "@eslint/js": "^10.0.1",
+    "eslint": "^10.0.0",
+    "globals": "^17.3.0"
   }
 }
diff --git a/scripts/check-file-size.mjs b/scripts/check-file-size.mjs
new file mode 100644
index 0000000..c09f8ef
--- /dev/null
+++ b/scripts/check-file-size.mjs
@@ -0,0 +1,66 @@
+import fs from 'node:fs';
+import path from 'node:path';
+
+const MAX_LINES = 300;
+const EXCLUDED_DIRS = ['node_modules', '.git', 'dist', 'artifacts', 'test_logs', 'coverage'];
+const EXCLUDED_FILES = ['package-lock.json'];
+
+function countLines(filePath) {
+  try {
+    const content = fs.readFileSync(filePath, 'utf8');
+    return content.split('\n').length;
+  } catch (error) {
+    console.error(`Error reading ${filePath}: ${error.message}`);
+    return 0;
+  }
+}
+
+function scanDirectory(dir) {
+  let files = [];
+  try {
+    const items = fs.readdirSync(dir);
+    for (const item of items) {
+      const fullPath = path.join(dir, item);
+      const stat = fs.statSync(fullPath);
+
+      if (stat.isDirectory()) {
+        if (!EXCLUDED_DIRS.includes(item)) {
+          files = files.concat(scanDirectory(fullPath));
+        }
+      } else if (stat.isFile()) {
+        if (EXCLUDED_FILES.includes(item)) {
+          continue;
+        }
+        if (['.js', '.mjs', '.ts', '.html', '.css', '.json', '.md'].includes(path.extname(item))) {
+           files.push(fullPath);
+        }
+      }
+    }
+  } catch (error) {
+    console.error(`Error scanning ${dir}: ${error.message}`);
+  }
+  return files;
+}
+
+function main() {
+  const args = process.argv.slice(2);
+  const reportMode = args.includes('--report');
+
+  const files = scanDirectory('.');
+  let oversizedCount = 0;
+
+  for (const file of files) {
+    const lines = countLines(file);
+    if (lines > MAX_LINES) {
+      const excess = lines - MAX_LINES;
+      console.log(`${file}: ${lines} lines (excess: ${excess})`);
+      oversizedCount++;
+    }
+  }
+
+  if (!reportMode && oversizedCount > 0) {
+    process.exit(1);
+  }
+}
+
+main();
diff --git a/scripts/check-innerhtml.mjs b/scripts/check-innerhtml.mjs
new file mode 100644
index 0000000..be27bb8
--- /dev/null
+++ b/scripts/check-innerhtml.mjs
@@ -0,0 +1,70 @@
+import fs from 'node:fs';
+import path from 'node:path';
+
+const EXCLUDED_DIRS = ['node_modules', '.git', 'dist', 'artifacts', 'test_logs', 'coverage'];
+const TARGET_EXTENSIONS = ['.js', '.mjs', '.ts', '.html'];
+
+function countInnerHTML(filePath) {
+  try {
+    const content = fs.readFileSync(filePath, 'utf8');
+    // Basic regex to find assignment to innerHTML
+    const regex = /\.innerHTML\s*=/g;
+    const matches = content.match(regex);
+    return matches ? matches.length : 0;
+  } catch (error) {
+    console.error(`Error reading ${filePath}: ${error.message}`);
+    return 0;
+  }
+}
+
+function scanDirectory(dir) {
+  let files = [];
+  try {
+    const items = fs.readdirSync(dir);
+    for (const item of items) {
+      const fullPath = path.join(dir, item);
+      const stat = fs.statSync(fullPath);
+
+      if (stat.isDirectory()) {
+        if (!EXCLUDED_DIRS.includes(item)) {
+           files = files.concat(scanDirectory(fullPath));
+        }
+      } else if (stat.isFile()) {
+        if (TARGET_EXTENSIONS.includes(path.extname(item))) {
+           files.push(fullPath);
+        }
+      }
+    }
+  } catch (error) {
+    console.error(`Error scanning ${dir}: ${error.message}`);
+  }
+  return files;
+}
+
+function main() {
+  const args = process.argv.slice(2);
+  const reportMode = args.includes('--report');
+
+  const files = scanDirectory('.');
+  let totalAssignments = 0;
+  let offenderCount = 0;
+
+  for (const file of files) {
+    const count = countInnerHTML(file);
+    if (count > 0) {
+      console.log(`${file}: ${count} assignments`);
+      totalAssignments += count;
+      offenderCount++;
+    }
+  }
+
+  if (reportMode && totalAssignments > 0) {
+    console.log(`Total assignments: ${totalAssignments}`);
+  }
+
+  if (!reportMode && offenderCount > 0) {
+    process.exit(1);
+  }
+}
+
+main();