test: add page hierarchy cycle integration harness

apps/server/test/jest-integration.json

@@ -0,0 +1,26 @@
+{
+  "moduleFileExtensions": ["js", "json", "ts"],
+  "rootDir": ".",
+  "testEnvironment": "node",
+  "testRegex": ".*\\.integration-spec\\.ts$",
+  "transform": {
+    "happy-dom.+\\.js$": [
+      "babel-jest",
+      {
+        "presets": [["@babel/preset-env", { "targets": { "node": "current" } }]]
+      }
+    ],
+    "^.+\\.(t|j)s$": "ts-jest"
+  },
+  "transformIgnorePatterns": [
+    "/node_modules/(?!(\\.pnpm/)?(nanoid|uuid|image-dimensions|marked|happy-dom)(@|/))"
+  ],
+  "moduleNameMapper": {
+    "^@docmost/db/(.*)$": "<rootDir>/../src/database/$1",
+    "^@docmost/transactional/(.*)$": "<rootDir>/../src/integrations/transactional/$1",
+    "^@docmost/ee/(.*)$": "<rootDir>/../src/ee/$1",
+    "^src/(.*)$": "<rootDir>/../src/$1",
+    "^@docmost/base-formula/server$": "<rootDir>/../../../packages/base-formula/src/index.server.ts",
+    "^@docmost/base-formula/client$": "<rootDir>/../../../packages/base-formula/src/index.client.ts"
+  }
+}