name: Cross Platform Server Verification

on:
  pull_request:
  push:
  workflow_dispatch:

jobs:
  verify:
    name: Verify on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - windows-latest
        node:
          - 22

    steps:
      # This step checks out the repository so the matrix job can build and test it.
      - name: Checkout repository
        uses: actions/checkout@v4

      # This step installs the Node.js version the README already declares as the project baseline.
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node }}
          cache: npm

      # This step installs dependencies exactly as locked so native and shell behavior stays reproducible.
      - name: Install dependencies
        run: npm ci

      # This step verifies the TypeScript server code before runtime checks.
      - name: Typecheck server
        run: npm run typecheck:server

      # This step runs the built-in Node tests that exercise the OS adapter layer directly.
      - name: Test server adapters
        run: npm run test:server

      # This step ensures the in-progress TypeScript backend still compiles in each OS environment.
      - name: Build server
        run: npm run server:build