chore(DIS-109): add vitest.config.mts, complete .env.example, test scripts

Add vitest.config.mts with node environment and v8 coverage.
Add test:watch and test:coverage scripts to package.json.
Complete .env.example with all config fields from loader.ts.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.env.example

@@ -1,8 +1,14 @@
-# Discord bot token (required)
+# ─── Required ────────────────────────────────────────────────────────────────
+
+# Discord bot token -- obtained from https://discord.com/developers/applications
 DISCORD_BOT_TOKEN=your-discord-bot-token-here
 
-# Discord guild/server ID (optional -- uses first guild if not set)
+# ─── Optional ────────────────────────────────────────────────────────────────
-DISCORD_GUILD_ID=your-discord-guild-id-here
 
-# Path to claude CLI executable (optional -- defaults to "claude" on PATH)
+# Discord guild (server) ID -- restricts the bot to a single server.
+# If not set, the bot uses the first guild it finds on startup.
+# DISCORD_GUILD_ID=123456789012345678
+
+# Absolute path to the claude CLI executable.
+# Only needed if "claude" is not on your PATH or you want a specific version.
 # CLAUDE_PATH=/usr/local/bin/claude

package-lock.json

@@ -20,6 +20,7 @@
         "@types/node": "^22.0.0",
         "@typescript-eslint/eslint-plugin": "^8.0.0",
         "@typescript-eslint/parser": "^8.0.0",
+        "@vitest/coverage-v8": "^4.1.4",
         "eslint": "^8.57.0",
         "typescript": "^5.7.0",
         "vitest": "^4.1.4"
@@ -28,6 +29,66 @@
         "node": ">=20.0.0"
       }
     },
+    "node_modules/@babel/helper-string-parser": {
+      "version": "7.27.1",
+      "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.27.1.tgz",
+      "integrity": "sha512-qMlSxKbpRlAridDExk92nSobyDdpPijUq2DW6oDnUqd0iOGxmQjyqhMIihI9+zv4LPyZdRje2cavWPbCbWm3eA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-validator-identifier": {
+      "version": "7.28.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.28.5.tgz",
+      "integrity": "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/parser": {
+      "version": "7.29.2",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.29.2.tgz",
+      "integrity": "sha512-4GgRzy/+fsBa72/RZVJmGKPmZu9Byn8o4MoLpmNe1m8ZfYnz5emHLQz3U4gLud6Zwl0RZIcgiLD7Uq7ySFuDLA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/types": "^7.29.0"
+      },
+      "bin": {
+        "parser": "bin/babel-parser.js"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@babel/types": {
+      "version": "7.29.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.29.0.tgz",
+      "integrity": "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/helper-string-parser": "^7.27.1",
+        "@babel/helper-validator-identifier": "^7.28.5"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@bcoe/v8-coverage": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-1.0.2.tgz",
+      "integrity": "sha512-6zABk/ECA/QYSCQ1NGiVwwbQerUCZ+TQbp64Q3AgmfNvurHH0j8TtXa1qbShXA6qqkpAj4V5W8pP6mLe1mcMqA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@discordjs/builders": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/@discordjs/builders/-/builders-1.13.1.tgz",
@@ -786,6 +847,16 @@
       "dev": true,
       "license": "BSD-3-Clause"
     },
+    "node_modules/@jridgewell/resolve-uri": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
+      "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/@jridgewell/sourcemap-codec": {
       "version": "1.5.5",
       "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.5.5.tgz",
@@ -793,6 +864,17 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@jridgewell/trace-mapping": {
+      "version": "0.3.31",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.31.tgz",
+      "integrity": "sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/resolve-uri": "^3.1.0",
+        "@jridgewell/sourcemap-codec": "^1.4.14"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -1524,6 +1606,37 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/@vitest/coverage-v8": {
+      "version": "4.1.4",
+      "resolved": "https://registry.npmjs.org/@vitest/coverage-v8/-/coverage-v8-4.1.4.tgz",
+      "integrity": "sha512-x7FptB5oDruxNPDNY2+S8tCh0pcq7ymCe1gTHcsp733jYjrJl8V1gMUlVysuCD9Kz46Xz9t1akkv08dPcYDs1w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@bcoe/v8-coverage": "^1.0.2",
+        "@vitest/utils": "4.1.4",
+        "ast-v8-to-istanbul": "^1.0.0",
+        "istanbul-lib-coverage": "^3.2.2",
+        "istanbul-lib-report": "^3.0.1",
+        "istanbul-reports": "^3.2.0",
+        "magicast": "^0.5.2",
+        "obug": "^2.1.1",
+        "std-env": "^4.0.0-rc.1",
+        "tinyrainbow": "^3.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "@vitest/browser": "4.1.4",
+        "vitest": "4.1.4"
+      },
+      "peerDependenciesMeta": {
+        "@vitest/browser": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@vitest/expect": {
       "version": "4.1.4",
       "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-4.1.4.tgz",
@@ -1730,6 +1843,18 @@
         "node": ">=12"
       }
     },
+    "node_modules/ast-v8-to-istanbul": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/ast-v8-to-istanbul/-/ast-v8-to-istanbul-1.0.0.tgz",
+      "integrity": "sha512-1fSfIwuDICFA4LKkCzRPO7F0hzFf0B7+Xqrl27ynQaa+Rh0e1Es0v6kWHPott3lU10AyAr7oKHa65OppjLn3Rg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/trace-mapping": "^0.3.31",
+        "estree-walker": "^3.0.3",
+        "js-tokens": "^10.0.0"
+      }
+    },
     "node_modules/balanced-match": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-4.0.4.tgz",
@@ -2569,6 +2694,13 @@
         "node": ">=8"
       }
     },
+    "node_modules/html-escaper": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz",
+      "integrity": "sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/ieee754": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
@@ -2689,6 +2821,52 @@
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
       "license": "ISC"
     },
+    "node_modules/istanbul-lib-coverage": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-3.2.2.tgz",
+      "integrity": "sha512-O8dpsF+r0WV/8MNRKfnmrtCWhuKjxrq2w+jpzBL5UZKTi2LeVWnWOmWRxFlesJONmc+wLAGvKQZEOanko0LFTg==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/istanbul-lib-report": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-report/-/istanbul-lib-report-3.0.1.tgz",
+      "integrity": "sha512-GCfE1mtsHGOELCU8e/Z7YWzpmybrx/+dSTfLrvY8qRmaY6zXTKWn6WQIjaAFw069icm6GVMNkgu0NzI4iPZUNw==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "istanbul-lib-coverage": "^3.0.0",
+        "make-dir": "^4.0.0",
+        "supports-color": "^7.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/istanbul-reports": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-3.2.0.tgz",
+      "integrity": "sha512-HGYWWS/ehqTV3xN10i23tkPkpH46MLCIMFNCaaKNavAXTF1RkqxawEPtnjnGZ6XKSInBKkiOA5BKS+aZiY3AvA==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "html-escaper": "^2.0.0",
+        "istanbul-lib-report": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/js-tokens": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-10.0.0.tgz",
+      "integrity": "sha512-lM/UBzQmfJRo9ABXbPWemivdCW8V2G8FHaHdypQaIy523snUjog0W71ayWXTjiR+ixeMyVHN2XcpnTd/liPg/Q==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/js-yaml": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
@@ -2798,6 +2976,34 @@
         "@jridgewell/sourcemap-codec": "^1.5.5"
       }
     },
+    "node_modules/magicast": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/magicast/-/magicast-0.5.2.tgz",
+      "integrity": "sha512-E3ZJh4J3S9KfwdjZhe2afj6R9lGIN5Pher1pF39UGrXRqq/VDaGVIGN13BjHd2u8B61hArAGOnso7nBOouW3TQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/parser": "^7.29.0",
+        "@babel/types": "^7.29.0",
+        "source-map-js": "^1.2.1"
+      }
+    },
+    "node_modules/make-dir": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-4.0.0.tgz",
+      "integrity": "sha512-hXdUTZYIVOt1Ex//jAQi+wTZZpUpwBj/0QsOzqegb3rGMMeJiSEu5xLHnYfBrRV4RH2+OCSOO95Is/7x1WJ4bw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "semver": "^7.5.3"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/mimic-response": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-3.1.0.tgz",

package.json

@@ -8,10 +8,14 @@
     "start": "node dist/index.js",
     "dev": "tsc && node dist/index.js",
     "test": "vitest run",
+    "test:watch": "vitest",
+    "test:coverage": "vitest run --coverage",
     "lint": "eslint src --ext .ts"
   },
   "vitest": {
-    "include": ["tests/**/*.test.ts"],
+    "include": [
+      "tests/**/*.test.ts"
+    ],
     "environment": "node"
   },
   "dependencies": {
@@ -27,6 +31,7 @@
     "@types/node": "^22.0.0",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",
+    "@vitest/coverage-v8": "^4.1.4",
     "eslint": "^8.57.0",
     "typescript": "^5.7.0",
     "vitest": "^4.1.4"

vitest.config.mts

@@ -0,0 +1,12 @@
+import { defineConfig } from "vitest/config";
+export default defineConfig({
+  test: {
+    environment: "node",
+    coverage: {
+      provider: "v8",
+      reporter: ["text", "lcov"],
+      include: ["src/**/*.ts"],
+      exclude: ["src/index.ts"],
+    },
+  },
+});