feat: add JUnit reporter for unit tests and upload test results

.github/workflows/frontend-pr-workflow-v1.yml

@@ -296,7 +296,6 @@ jobs:
   unit-tests:
     name: 🧪 Unit Tests
     if: inputs.run-unit-tests
-    needs: build
     runs-on: ${{ fromJSON(inputs.runner) }}
     timeout-minutes: ${{ inputs.test-timeout }}
 

.github/workflows/frontend-pr-workflow-v2.yml

@@ -324,7 +324,6 @@ jobs:
   unit-tests:
     name: 🧪 Unit Tests
     if: inputs.run-unit-tests
-    needs: build
     runs-on: ${{ fromJSON(inputs.runner) }}
     timeout-minutes: ${{ inputs.test-timeout }}
 

.github/workflows/frontend-pr-workflow.yml

@@ -281,6 +281,7 @@ on:
 permissions:
   id-token: write
   contents: read
+  checks: write
 
 # Concurrency control: Only cancels runs within the SAME PR
 concurrency:
@@ -354,7 +355,6 @@ jobs:
   unit-tests:
     name: 🧪 Unit Tests
     if: inputs.run-unit-tests
-    needs: build
     runs-on: ${{ fromJSON(inputs.runner) }}
     timeout-minutes: ${{ inputs.test-timeout }}
 
@@ -383,10 +383,83 @@ jobs:
         env:
           GH_TOKEN: ${{ secrets.GH_TOKEN }}
 
+      - name: Install JUnit reporter
+        run: npm install --no-save --ignore-scripts --legacy-peer-deps jest-junit@^16.0.0
+
       - name: Run unit tests
-        run: ${{ inputs.unit-test-command }}
+        run: ${{ inputs.unit-test-command }} --reporters=default --reporters=jest-junit
         env:
           GH_TOKEN: ${{ secrets.GH_TOKEN }}
+          JEST_JUNIT_OUTPUT_DIR: ./test-results
+          JEST_JUNIT_OUTPUT_NAME: junit.xml
+          JEST_JUNIT_CLASSNAME: '{classname}'
+          JEST_JUNIT_TITLE: '{title}'
+
+      - name: Test Summary
+        if: always()
+        run: |
+          if [ -f test-results/junit.xml ]; then
+            # Parse JUnit XML for summary stats
+            TESTS=$(grep -o 'tests="[0-9]*"' test-results/junit.xml | head -1 | grep -o '[0-9]*')
+            FAILURES=$(grep -o 'failures="[0-9]*"' test-results/junit.xml | head -1 | grep -o '[0-9]*')
+            ERRORS=$(grep -o 'errors="[0-9]*"' test-results/junit.xml | head -1 | grep -o '[0-9]*')
+            TIME=$(grep -o 'time="[0-9.]*"' test-results/junit.xml | head -1 | grep -o '[0-9.]*')
+            PASSED=$((TESTS - FAILURES - ERRORS))
+
+            if [ "$FAILURES" -gt 0 ] || [ "$ERRORS" -gt 0 ]; then
+              echo "## ❌ Unit Test Results" >> $GITHUB_STEP_SUMMARY
+            else
+              echo "## ✅ Unit Test Results" >> $GITHUB_STEP_SUMMARY
+            fi
+
+            echo "" >> $GITHUB_STEP_SUMMARY
+            echo "| Metric | Count |" >> $GITHUB_STEP_SUMMARY
+            echo "|--------|-------|" >> $GITHUB_STEP_SUMMARY
+            echo "| ✅ Passed | $PASSED |" >> $GITHUB_STEP_SUMMARY
+            echo "| ❌ Failed | $FAILURES |" >> $GITHUB_STEP_SUMMARY
+            echo "| ⚠️ Errors | $ERRORS |" >> $GITHUB_STEP_SUMMARY
+            echo "| 📊 Total | $TESTS |" >> $GITHUB_STEP_SUMMARY
+            echo "| ⏱️ Duration | ${TIME}s |" >> $GITHUB_STEP_SUMMARY
+
+            # List failed tests using awk (POSIX-compatible, no grep -P needed)
+            if [ "$FAILURES" -gt 0 ] || [ "$ERRORS" -gt 0 ]; then
+              echo "" >> $GITHUB_STEP_SUMMARY
+              echo "### Failed Tests" >> $GITHUB_STEP_SUMMARY
+              echo "" >> $GITHUB_STEP_SUMMARY
+              # Extract testcase names that contain <failure> or <error> child elements
+              awk '
+                /<testcase / {
+                  match($0, /name="[^"]*"/);
+                  name = substr($0, RSTART+6, RLENGTH-7);
+                  in_testcase = 1;
+                }
+                in_testcase && /<failure/ { print "- `" name "`"; in_testcase = 0; }
+                in_testcase && /<error/ { print "- `" name "`"; in_testcase = 0; }
+                /<\/testcase>/ { in_testcase = 0; }
+              ' test-results/junit.xml | head -20 >> $GITHUB_STEP_SUMMARY
+            fi
+          else
+            echo "## ⚠️ No test results found" >> $GITHUB_STEP_SUMMARY
+            echo "JUnit XML was not generated at test-results/junit.xml" >> $GITHUB_STEP_SUMMARY
+          fi
+
+      - name: Upload test results
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results-${{ github.run_id }}
+          path: test-results/junit.xml
+          retention-days: 7
+          if-no-files-found: warn
+
+      - name: Test Report
+        if: always()
+        uses: dorny/test-reporter@v1
+        with:
+          name: Unit Test Results
+          path: test-results/junit.xml
+          reporter: jest-junit
+          fail-on-error: false
 
       - name: Upload coverage
         if: always()