feat: scaffold TypeScript project

- Initialize pnpm project with TypeScript support
- Add standard ESLint and TypeScript configurations
- Create basic src/index.ts with sample export
- Set up GitHub Actions CI workflow
- Add prod.env with 1Password references
- Configure .gitignore for Node.js projects

Co-Authored-By: Claude Opus 4 <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check dependency pinning
+        uses: naomi-lgbt/dependency-pin-check@main
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: "pnpm"
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Run linter
+        run: pnpm lint
+
+      - name: Build project
+        run: pnpm build
+
+      - name: Run tests
+        run: pnpm test