Audit and optimize test coverage and quality

.github/workflows/ci.yml

@@ -0,0 +1,114 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    name: Test & Coverage
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 10
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run tests with coverage
+        run: pnpm run test:coverage
+
+      - name: Check coverage threshold
+        run: |
+          # Extract coverage percentages from coverage summary
+          LINES=$(jq '.total.lines.pct' coverage/coverage-summary.json | cut -d. -f1)
+          FUNCTIONS=$(jq '.total.functions.pct' coverage/coverage-summary.json | cut -d. -f1)
+          BRANCHES=$(jq '.total.branches.pct' coverage/coverage-summary.json | cut -d. -f1)
+          STATEMENTS=$(jq '.total.statements.pct' coverage/coverage-summary.json | cut -d. -f1)
+
+          echo "Coverage: Lines=$LINES% Functions=$FUNCTIONS% Branches=$BRANCHES% Statements=$STATEMENTS%"
+
+          if [ "$LINES" -lt 40 ]; then
+            echo "❌ Lines coverage ($LINES%) is below 40% threshold"
+            exit 1
+          fi
+          if [ "$FUNCTIONS" -lt 40 ]; then
+            echo "❌ Functions coverage ($FUNCTIONS%) is below 40% threshold"
+            exit 1
+          fi
+          if [ "$BRANCHES" -lt 40 ]; then
+            echo "❌ Branches coverage ($BRANCHES%) is below 40% threshold"
+            exit 1
+          fi
+          if [ "$STATEMENTS" -lt 40 ]; then
+            echo "❌ Statements coverage ($STATEMENTS%) is below 40% threshold"
+            exit 1
+          fi
+
+          echo "✅ All coverage thresholds met!"
+
+      - name: Upload coverage reports
+        uses: codecov/codecov-action@v4
+        if: always()
+        with:
+          file: ./coverage/lcov.info
+          flags: unittests
+          name: codecov-umbrella
+          fail_ci_if_error: false
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 10
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run linter
+        run: pnpm run lint
+
+  typecheck:
+    name: Type Check
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 10
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run type check
+        run: pnpm exec tsc --noEmit