devkit/.github/workflows/t4-coverage.yml at main · axumquant/devkit · GitHub

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name: T4 Coverage

on:
  pull_request:
    paths:
      - "backend/**"
      - "frontend/**"
      - "mcp_gateway/**"
      - "tracker/**"
      - "telemetry_tracker/**"
      - "scripts/run_t4_coverage.sh"
      - "docs/ops/t4_coverage_policy.md"
  push:
    branches: [main]
    paths:
      - "backend/**"
      - "frontend/**"
      - "mcp_gateway/**"
      - "tracker/**"
      - "telemetry_tracker/**"
      - "scripts/run_t4_coverage.sh"
      - "docs/ops/t4_coverage_policy.md"
  workflow_dispatch:

jobs:
  coverage:
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - uses: actions/setup-node@v4
        with:
          node-version: "24"
          cache: "npm"
          cache-dependency-path: axum-labs-design-app/package-lock.json

      - uses: dtolnay/rust-toolchain@stable

      - name: Install coverage dependencies
        run: |
          set -euo pipefail
          python3 -m pip install -r backend/requirements-dev.txt
          npm --prefix axum-labs-design-app ci
          cargo install cargo-llvm-cov

      - name: Run T4 coverage gate
        run: ./scripts/run_t4_coverage.sh

      - name: Upload coverage artifacts
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: t4-coverage
          path: artifacts/coverage/