diff --git a/apps/web/deno.json b/apps/web/deno.json
new file mode 100644
index 0000000..a3529d2
--- /dev/null
+++ b/apps/web/deno.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "https://deno.land/x/deno/cli/schemas/config-file.v1.json",
+  "name": "@flat-mate/web",
+  "version": "0.1.0",
+  "license": "MPL-2.0",
+  "tasks": {
+    "dev": "deno run -A --node-modules-dir=auto npm:vite@^8.0.7",
+    "build": "deno run -A --node-modules-dir=auto npm:vite@^8.0.7 build",
+    "preview": "deno run -A --node-modules-dir=auto npm:vite@^8.0.7 preview"
+  },
+  "imports": {
+    "react": "npm:react@^18.3.1",
+    "react-dom": "npm:react-dom@^18.3.1",
+    "@vitejs/plugin-react": "npm:@vitejs/plugin-react@^4.4.1",
+    "vite": "npm:vite@^8.0.7"
+  },
+  "nodeModulesDir": "auto"
+}
diff --git a/apps/web/package.json b/apps/web/package.json
deleted file mode 100644
index 17654c1..0000000
--- a/apps/web/package.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "name": "@flat-mate/web",
-  "version": "0.1.0",
-  "private": true,
-  "license": "MPL-2.0",
-  "author": "Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>",
-  "type": "module",
-  "scripts": {
-    "dev": "vite",
-    "build": "vite build",
-    "preview": "vite preview"
-  },
-  "dependencies": {
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1"
-  },
-  "devDependencies": {
-    "@vitejs/plugin-react": "^4.4.1",
-    "vite": "^8.0.7"
-  }
-}
diff --git a/deno.json b/deno.json
new file mode 100644
index 0000000..151f94c
--- /dev/null
+++ b/deno.json
@@ -0,0 +1,28 @@
+{
+  "$schema": "https://deno.land/x/deno/cli/schemas/config-file.v1.json",
+  "name": "@hyperpolymath/flat-mate",
+  "version": "0.1.0",
+  "license": "MPL-2.0",
+  "workspace": [
+    "./apps/web",
+    "./packages/shared"
+  ],
+  "tasks": {
+    "dev:api": "deno run --watch=apps/api --allow-net --allow-env apps/api/main.ts",
+    "dev:web": "deno task --cwd apps/web dev",
+    "dev:mobile": "echo 'apps/mobile is an Expo project; run `cd apps/mobile && npm install && npm run start` (Expo CLI requires Node — see Class C carve-out in README)'",
+    "build:web": "deno task --cwd apps/web build",
+    "check": "deno check apps/api/main.ts && deno lint apps/api && deno check packages/shared/src/domain.js"
+  },
+  "fmt": {
+    "useTabs": false,
+    "lineWidth": 100,
+    "indentWidth": 2,
+    "singleQuote": false
+  },
+  "lint": {
+    "rules": {
+      "tags": ["recommended"]
+    }
+  }
+}
diff --git a/package.json b/package.json
deleted file mode 100644
index 3ff0ef0..0000000
--- a/package.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "name": "flat-mate",
-  "version": "0.1.0",
-  "private": true,
-  "license": "MPL-2.0",
-  "author": "Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>",
-  "workspaces": [
-    "apps/web",
-    "apps/mobile",
-    "packages/*"
-  ],
-  "scripts": {
-    "dev:api": "deno run --watch=apps/api --allow-net --allow-env apps/api/main.ts",
-    "dev:web": "npm run dev --workspace @flat-mate/web",
-    "dev:mobile": "npm run start --workspace @flat-mate/mobile",
-    "check": "deno check apps/api/main.ts && deno lint apps/api && node --check packages/shared/src/domain.js"
-  },
-  "engines": {
-    "node": ">=20.0.0"
-  }
-}
diff --git a/packages/shared/deno.json b/packages/shared/deno.json
new file mode 100644
index 0000000..dff0937
--- /dev/null
+++ b/packages/shared/deno.json
@@ -0,0 +1,7 @@
+{
+  "$schema": "https://deno.land/x/deno/cli/schemas/config-file.v1.json",
+  "name": "@flat-mate/shared",
+  "version": "0.1.0",
+  "license": "MPL-2.0",
+  "exports": "./src/index.js"
+}
diff --git a/packages/shared/package.json b/packages/shared/package.json
deleted file mode 100644
index f19451f..0000000
--- a/packages/shared/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "@flat-mate/shared",
-  "version": "0.1.0",
-  "private": true,
-  "type": "module",
-  "main": "src/index.js"
-}