Add TypeScript compilation workflow and update package.json scripts

.github/workflows/compile.yml

@@ -0,0 +1,32 @@
+name: Compile TypeScript
+
+on:
+  push:
+    branches:
+      - main
+      - 'feature/*'
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set up Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '22'
+
+    - name: Install pnpm
+      run: npm install -g pnpm
+
+    - name: Install dependencies
+      run: pnpm install
+
+    - name: Compile TypeScript
+      run: pnpm run build

package.json

@@ -4,7 +4,7 @@
   "description": "A Node.js API wrapper for GeoNet — Aotearoa's geological hazard monitoring system.",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "build": "tsc"
   },
   "repository": {
     "type": "git",