refactor: standardize code formatting and linting configuration

- Replace .eslintrc.js with .eslintrc.cjs for better ES module compatibility
- Add .prettierrc configuration for consistent code formatting
- Update package.json with new lint and format scripts
- Add nodemon.json for development hot reloading configuration
- Standardize code formatting across all JavaScript and Vue files
- Update web admin SPA with improved linting rules and formatting
- Add prettier configuration to web admin SPA

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

package-lock.json

@@ -36,8 +36,11 @@
       "devDependencies": {
         "@types/node": "^20.8.9",
         "eslint": "^8.53.0",
+        "eslint-config-prettier": "^10.1.8",
+        "eslint-plugin-prettier": "^5.5.4",
         "jest": "^29.7.0",
         "nodemon": "^3.0.1",
+        "prettier": "^3.6.2",
         "supertest": "^6.3.3"
       },
       "engines": {
@@ -2106,6 +2109,19 @@
         "@noble/hashes": "^1.1.5"
       }
     },
+    "node_modules/@pkgr/core": {
+      "version": "0.2.9",
+      "resolved": "https://registry.npmjs.org/@pkgr/core/-/core-0.2.9.tgz",
+      "integrity": "sha512-QNqXyfVS2wm9hweSYD2O7F0G06uurj9kZ96TRQE5Y9hU7+tgdZwIkbAKc5Ocy1HxEY2kuDQa6cQ1WRs/O5LFKA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^12.20.0 || ^14.18.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/pkgr"
+      }
+    },
     "node_modules/@sinclair/typebox": {
       "version": "0.27.8",
       "resolved": "https://registry.npmmirror.com/@sinclair/typebox/-/typebox-0.27.8.tgz",
@@ -4312,6 +4328,53 @@
         "url": "https://opencollective.com/eslint"
       }
     },
+    "node_modules/eslint-config-prettier": {
+      "version": "10.1.8",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-10.1.8.tgz",
+      "integrity": "sha512-82GZUjRS0p/jganf6q1rEO25VSoHH0hKPCTrgillPjdI/3bgBhAE1QzHrHTizjpRvy6pGAvKjDJtk2pF9NDq8w==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "eslint-config-prettier": "bin/cli.js"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint-config-prettier"
+      },
+      "peerDependencies": {
+        "eslint": ">=7.0.0"
+      }
+    },
+    "node_modules/eslint-plugin-prettier": {
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-5.5.4.tgz",
+      "integrity": "sha512-swNtI95SToIz05YINMA6Ox5R057IMAmWZ26GqPxusAp1TZzj+IdY9tXNWWD3vkF/wEqydCONcwjTFpxybBqZsg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "prettier-linter-helpers": "^1.0.0",
+        "synckit": "^0.11.7"
+      },
+      "engines": {
+        "node": "^14.18.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint-plugin-prettier"
+      },
+      "peerDependencies": {
+        "@types/eslint": ">=8.0.0",
+        "eslint": ">=8.0.0",
+        "eslint-config-prettier": ">= 7.0.0 <10.0.0 || >=10.1.0",
+        "prettier": ">=3.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/eslint": {
+          "optional": true
+        },
+        "eslint-config-prettier": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/eslint-scope": {
       "version": "7.2.2",
       "resolved": "https://registry.npmmirror.com/eslint-scope/-/eslint-scope-7.2.2.tgz",
@@ -4576,6 +4639,13 @@
       "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
       "license": "MIT"
     },
+    "node_modules/fast-diff": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/fast-diff/-/fast-diff-1.3.0.tgz",
+      "integrity": "sha512-VxPP4NqbUjj6MaAOafWeUn2cXWLcCtljklUtZf0Ind4XQ+QPtmA0b18zZy0jIQx+ExRVCR/ZQpBmik5lXshNsw==",
+      "dev": true,
+      "license": "Apache-2.0"
+    },
     "node_modules/fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmmirror.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
@@ -7341,6 +7411,35 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/prettier": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.6.2.tgz",
+      "integrity": "sha512-I7AIg5boAr5R0FFtJ6rCfD+LFsWHp81dolrFD8S79U9tb8Az2nGrJncnMSnys+bpQJfRUzqs9hnA81OAA3hCuQ==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
+    "node_modules/prettier-linter-helpers": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/prettier-linter-helpers/-/prettier-linter-helpers-1.0.0.tgz",
+      "integrity": "sha512-GbK2cP9nraSSUF9N2XwUwqfzlAFlMNYYl+ShE/V+H8a9uNl/oUqB1w2EL54Jh0OlyRSd8RfWYJ3coVS4TROP2w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "fast-diff": "^1.1.2"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/pretty-format": {
       "version": "29.7.0",
       "resolved": "https://registry.npmmirror.com/pretty-format/-/pretty-format-29.7.0.tgz",
@@ -8339,6 +8438,22 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/synckit": {
+      "version": "0.11.11",
+      "resolved": "https://registry.npmjs.org/synckit/-/synckit-0.11.11.tgz",
+      "integrity": "sha512-MeQTA1r0litLUf0Rp/iisCaL8761lKAZHaimlbGK4j0HysC4PLfqygQj9srcs0m2RdtDYnF8UuYyKpbjHYp7Jw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@pkgr/core": "^0.2.9"
+      },
+      "engines": {
+        "node": "^14.18.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/synckit"
+      }
+    },
     "node_modules/table": {
       "version": "6.9.0",
       "resolved": "https://registry.npmmirror.com/table/-/table-6.9.0.tgz",