refactor!: migrate away from bun

- migrate package management to pnpm
- migrate test suite to vitest
- also remove Anify integration

package.json

@@ -5,15 +5,14 @@
   "main": "src/index.ts",
   "type": "module",
   "scripts": {
-    "dev:cloudflare": "wrangler dev src/index.ts --port 8080",
-    "dev:server": "TURSO_URL=http://127.0.0.1:3000 TURSO_AUTH_TOKEN=123 bun run --watch src/index.ts",
-    "prod:server": "bun run src/index.ts",
-    "deploy": "wrangler deploy --minify src/index.ts",
-    "env:generate": "bun src/scripts/generateEnv.ts",
-    "env:verify": "bun src/scripts/verifyEnv.ts",
+    "dev": "wrangler dev src/index.ts --port 8080",
+    "env:generate": "tsx src/scripts/generateEnv.ts",
+    "env:verify": "tsx src/scripts/verifyEnv.ts",
     "db:generate": "drizzle-kit generate",
     "db:migrate": "drizzle-kit migrate",
-    "test": "bun src/testRunner.ts",
+    "test": "vitest",
+    "test:ui": "vitest --ui",
+    "test:coverage": "vitest run --coverage",
     "prepare": "husky",
     "tsx": "tsx"
   },
@@ -26,7 +25,7 @@
     "drizzle-orm": "^0.44.7",
     "gql.tada": "^1.8.10",
     "graphql": "^16.12.0",
-    "graphql-request": "^7.1.2",
+    "graphql-request": "^7.4.0",
     "hono": "^4.7.7",
     "jose": "^5.10.0",
     "lodash.isequal": "^4.5.0",
@@ -35,14 +34,15 @@
     "zod": "^3.24.3"
   },
   "devDependencies": {
-    "@0no-co/graphqlsp": "^1.12.16",
-    "@cloudflare/vitest-pool-workers": "^0.10.7",
+    "@cloudflare/vitest-pool-workers": "^0.10.15",
     "@cloudflare/workers-types": "^4.20250423.0",
     "@trivago/prettier-plugin-sort-imports": "^4.3.0",
-    "@types/bun": "^1.2.10",
     "@types/lodash.isequal": "^4.5.8",
     "@types/lodash.mapkeys": "^4.6.9",
     "@types/luxon": "^3.6.2",
+    "@types/node": "^25.0.1",
+    "@vitest/coverage-istanbul": "~3.2.4",
+    "@vitest/ui": "~3.2.4",
     "cloudflare": "^5.2.0",
     "dotenv": "^17.2.3",
     "drizzle-kit": "^0.31.7",
@@ -50,14 +50,14 @@
     "gtoken": "^7.1.0",
     "husky": "^9.1.7",
     "lint-staged": "^15.5.1",
-    "miniflare": "^4.20251109.1",
-    "msw": "2.4.3",
+    "miniflare": "^3.20241106.0",
     "prettier": "^3.5.3",
     "prettier-plugin-toml": "^2.0.4",
     "ts-morph": "^22.0.0",
     "tsx": "^4.20.6",
     "typescript": "^5.8.3",
     "util": "^0.12.5",
+    "vitest": "~3.2.4",
     "wrangler": "^4.51.0",
     "zx": "8.1.5"
   },