name: Performance contracts

on:
  schedule:
    - cron: '15 9 * * *'
  workflow_dispatch:
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review, converted_to_draft]
    paths:
      - '.github/workflows/performance-contracts.yml'
      - 'config/vitest.performance.config.ts'
      - 'config/oxlint-performance-audit.json'
      - 'config/oxlint-plugins/*performance.mjs'
      - 'config/oxlint-plugins/quadratic-buffer-concat.mjs'
      - 'config/scripts/static-analysis/oxlint-contracts/app-store-performance-plugin.test.mjs'
      - 'config/scripts/static-analysis/oxlint-contracts/quadratic-buffer-concat-plugin.test.mjs'
      - '**/*.performance.test.ts'
      - '**/*.performance.test.tsx'
      # Contracts without the .performance suffix. Keep in sync with config/vitest.performance.config.ts;
      # without these a rename lands green and only breaks the next nightly.
      - 'src/main/runtime/session-tabs/session-tabs-phone-layout-moves.test.ts'
      - 'src/main/native-chat/agent-session-wire/host/testing/structured-agent-session-terminal-writer-acquire.test.ts'
      - 'src/renderer/src/components/tab-bar/use-new-tab-agent-menu-host-preferences.test.tsx'
      - 'src/main/sqlite/sync-database.test.ts'
      - 'src/main/codex-usage/codex-rollout-file-lifetime.test.ts'
      - 'src/main/codex-usage/scanner-incremental-append.test.ts'
      - 'src/main/usage/source-input/jsonl/jsonl-file-reader.test.ts'

permissions:
  contents: read

concurrency:
  group: performance-contracts-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  contracts:
    if: github.event_name != 'pull_request' || github.event.pull_request.draft != true
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    # Operation-count and retention contracts, not wall-clock budgets: use the hosted images the cache warmers seed.
    runs-on: ${{ fromJSON('{"ubuntu-latest":"ubuntu-24.04","macos-latest":"macos-15","windows-latest":"windows-2022"}')[matrix.os] || matrix.os }}
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v6
        with:
          persist-credentials: false
      - uses: ./.github/actions/install-node-dependencies
      - name: Run operation-count and retention contracts
        run: pnpm test:perf:contracts --reporter=default --reporter=json --outputFile=performance-contracts.json
      # Source-only scan: identical on every OS, so run it once.
      - name: Audit production performance patterns
        if: always() && matrix.os == 'ubuntu-latest'
        shell: bash
        run: pnpm --silent audit:perf > performance-audit.json
      - uses: actions/upload-artifact@v7
        if: always()
        with:
          name: performance-contracts-${{ matrix.os }}
          path: performance-contracts.json
          if-no-files-found: error
      - uses: actions/upload-artifact@v7
        if: always() && matrix.os == 'ubuntu-latest'
        with:
          name: performance-audit
          path: performance-audit.json
          if-no-files-found: error