Create mlflow defaults

.github/workflows/simplexity.yaml

@@ -77,7 +77,7 @@ jobs:
             exit 1
           fi
 
-      - name: Check coverage for new code (PRs only)
+      - name: Upload coverage artifact for coverage-check job
         if: github.event_name == 'pull_request'
         run: |
           # Get the base branch (usually main)
@@ -108,18 +108,11 @@ jobs:
 
       - name: Upload diff coverage report
         if: github.event_name == 'pull_request' && always()
-        uses: actions/github-script@v7
+        uses: actions/upload-artifact@v4
         with:
-          script: |
-            const fs = require('fs');
-            const reportPath = 'diff-coverage-report.md';
-            if (fs.existsSync(reportPath)) {
-              const report = fs.readFileSync(reportPath, 'utf8');
-              fs.appendFileSync(
-                process.env.GITHUB_STEP_SUMMARY,
-                `## Diff Coverage Report\n\n${report}\n`
-              );
-            }
+          name: coverage-xml
+          path: coverage.xml
+          retention-days: 1
 
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
@@ -128,4 +121,4 @@ jobs:
           slug: Astera-org/simplexity
           verbose: true
           files: ./coverage.xml
-          fail_ci_if_error: false
+          fail_ci_if_error: false