fix(ci): 修复 bun test 非零退出码被 set -e 截断

.github/workflows/ci.yml

@@ -28,13 +28,14 @@ jobs:
 
       - name: Test
         run: |
+          set +e
           bun test 2>&1 | tee /tmp/ci-test.log
+          TEST_EXIT=$?
           FAILS=$(grep -oE '[0-9]+ fail' /tmp/ci-test.log | tail -1 | grep -oE '[0-9]+')
           if [ -z "$FAILS" ]; then FAILS=0; fi
-          echo "Failures: $FAILS (baseline: 4)"
+          echo "Failures: $FAILS (baseline: 4) | bun test exit: $TEST_EXIT"
           if [ "$FAILS" -le 4 ]; then
             echo "✅ Test baseline OK"
-            exit 0
           else
             echo "❌ Test regressions detected"
             exit 1