feat: add Codecov coverage reporting to CI workflows

- Update CI workflow Codecov step to use exact format requested in issue #108
- Add coverage reporting to PR workflow for better feedback on pull requests
- Simplify Codecov configuration to use repository slug format
- Include coverage job in PR summary and failure checks

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -118,15 +118,11 @@ jobs:
         GITHUB_WEBHOOK_SECRET: 'test-secret'
         GITHUB_TOKEN: 'test-token'
 
-    - name: Upload coverage to Codecov
+    - name: Upload coverage reports to Codecov
       uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
-        file: ./coverage/lcov.info
-        flags: unittests
-        name: codecov-umbrella
-        fail_ci_if_error: false
-        verbose: true
+        slug: intelligence-assist/claude-hub
 
   # Security scans - run on GitHub for faster execution
   security:

.github/workflows/pr.yml

@@ -63,7 +63,39 @@ jobs:
         GITHUB_WEBHOOK_SECRET: 'test-secret'
         GITHUB_TOKEN: 'test-token'
 
-    # Coverage is only uploaded on main branch via ci.yml workflow
+  # Coverage generation for PR feedback
+  coverage:
+    name: Test Coverage
+    runs-on: ubuntu-latest
+    needs: [test-unit]
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ env.NODE_VERSION }}
+        cache: 'npm'
+        cache-dependency-path: 'package-lock.json'
+
+    - name: Install dependencies
+      run: npm ci --prefer-offline --no-audit
+
+    - name: Generate test coverage
+      run: npm run test:ci
+      env:
+        NODE_ENV: test
+        BOT_USERNAME: '@TestBot'
+        GITHUB_WEBHOOK_SECRET: 'test-secret'
+        GITHUB_TOKEN: 'test-token'
+
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v5
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        slug: intelligence-assist/claude-hub
 
   # Integration tests - moderate complexity
   test-integration:
@@ -284,7 +316,7 @@ jobs:
   pr-summary:
     name: PR Summary
     runs-on: ubuntu-latest
-    needs: [lint, test-unit, test-integration, security, codeql, docker-build]
+    needs: [lint, test-unit, coverage, test-integration, security, codeql, docker-build]
     if: always()
     
     steps:
@@ -293,6 +325,7 @@ jobs:
         echo "## Pull Request CI Summary"
         echo "- Lint & Format: ${{ needs.lint.result }}"
         echo "- Unit Tests: ${{ needs.test-unit.result }}"
+        echo "- Test Coverage: ${{ needs.coverage.result }}"
         echo "- Integration Tests: ${{ needs.test-integration.result }}"
         echo "- Security Scan: ${{ needs.security.result }}"
         echo "- CodeQL Analysis: ${{ needs.codeql.result }}"
@@ -301,6 +334,7 @@ jobs:
         # Check for any failures
         if [[ "${{ needs.lint.result }}" == "failure" ]] || \
            [[ "${{ needs.test-unit.result }}" == "failure" ]] || \
+           [[ "${{ needs.coverage.result }}" == "failure" ]] || \
            [[ "${{ needs.test-integration.result }}" == "failure" ]] || \
            [[ "${{ needs.security.result }}" == "failure" ]] || \
            [[ "${{ needs.codeql.result }}" == "failure" ]] || \