Fix TypeScript version resolution and add snapshot workflow

.github/workflows/snapshot.yml

@@ -0,0 +1,35 @@
+name: Snapshot
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions: {}
+
+jobs:
+  snapshot:
+    name: Snapshot
+    if: github.repository_owner == 'edgeandnode'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        uses: ./.github/actions/setup
+        with:
+          node-version: 24.10.0
+      - name: Set strip internals config
+        run: |
+          sed -i 's/"stripInternal": false/"stripInternal": true/' tsconfig.base.json
+      - name: Build package
+        run: pnpm build:tsgo
+      - name: Create snapshot
+        id: snapshot
+        run: pnpx pkg-pr-new@0.0.62 publish --pnpm --comment=off ./packages/*

package.json

@@ -14,8 +14,17 @@
     "lint:fix": "oxlint --fix && dprint fmt",
     "test": "vitest"
   },
+  "pnpm": {
+    "overrides": {
+      "typescript": "^5.9.3"
+    }
+  },
   "devDependencies": {
     "@amp/oxc": "workspace:^",
+    "@babel/cli": "^7.28.6",
+    "@babel/core": "^7.28.6",
+    "@babel/plugin-transform-export-namespace-from": "^7.27.1",
+    "@babel/plugin-transform-modules-commonjs": "^7.28.6",
     "@effect/language-service": "^0.72.0",
     "@effect/platform": "^0.94.2",
     "@effect/platform-node": "^0.104.1",
@@ -24,6 +33,7 @@
     "@typescript/native-preview": "7.0.0-dev.20260122.4",
     "@vitest/coverage-v8": "^4.0.18",
     "@vitest/ui": "^4.0.18",
+    "babel-plugin-annotate-pure-calls": "^0.5.0",
     "dprint": "^0.51.1",
     "effect": "^3.19.15",
     "glob": "^13.0.0",
@@ -32,7 +42,6 @@
     "oxlint": "^1.41.0",
     "ts-patch": "^3.3.0",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.53.1",
     "vite-tsconfig-paths": "^6.0.4",
     "vitest": "^4.0.18",
     "vitest-mock-express": "^2.2.0"

packages/amp/tsconfig.json

@@ -4,6 +4,7 @@
   "include": ["src"],
   "references": [],
   "compilerOptions": {
+    "erasableSyntaxOnly": false,
     "types": ["node"]
   }
 }