feat(ci): add Codecov coverage reporting (#188)

.github/workflows/ci.yml

@@ -28,10 +28,17 @@ jobs:
         run: npm run typecheck --if-present
       - name: Build
         run: npm run build
-      - name: Test (optional)
+      - name: Test with coverage
         run: |
-          if npm run | grep -qE '^[[:space:]]+test'; then
-            npm test -- --watch=false
+          if npm run | grep -qE '^[[:space:]]+test:coverage'; then
+            mkdir -p coverage
+            npm run test:coverage
           else
-            echo "No test script defined; skipping tests."
+            echo "No test:coverage script defined; skipping tests."
           fi
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./coverage/lcov.info
+          fail_ci_if_error: false

codecov.yml

@@ -0,0 +1,22 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 70%
+        threshold: 5%
+    patch:
+      default:
+        target: 60%
+        threshold: 10%
+
+comment:
+  layout: "reach,diff,flags,tree"
+  behavior: default
+  require_changes: true
+
+ignore:
+  - "src/vite-env.d.ts"
+  - "**/*.d.ts"
+  - "dist/**"
+  - "scripts/**/*.test.ts"
+  - "scripts/**/*.test.mjs"

package.json

@@ -14,6 +14,7 @@
     "format:check": "prettier --check src",
     "prepare": "husky",
     "test": "node --test --experimental-strip-types scripts/permissions/*.test.ts scripts/foundation/*.test.ts scripts/fleet-command/*.test.ts scripts/staffing-templates/*.test.mjs scripts/wiki-sync/*.test.mjs",
+    "test:coverage": "node --experimental-test-coverage --test-reporter=lcov --test-reporter-destination=coverage/lcov.info --test-reporter=spec --test-reporter-destination=stdout --test --experimental-strip-types scripts/permissions/*.test.ts scripts/foundation/*.test.ts scripts/fleet-command/*.test.ts scripts/staffing-templates/*.test.mjs scripts/wiki-sync/*.test.mjs",
     "test:data": "node --test scripts/staffing-templates/*.test.mjs scripts/wiki-sync/*.test.mjs",
     "staffing:generate-reviewed": "node scripts/staffing-templates/generate-reviewed-staffing-template-sql.mjs",
     "db:load-generated": "bash scripts/supabase/load-generated-local-data.sh",