feat(core): show previous errors for retried tests

e2e/expect/test/soft.test.ts

@@ -29,6 +29,7 @@ describe('Expect Soft API', () => {
       logs.find((log) => log.includes('AssertionError: expected 3 to be 4')),
     ).toBeTruthy();
     expect(cli.stdout).toContain('✓ expect.soft retry can recover');
+    expect(cli.stdout).toContain('Previous failure: expected 1 to be 2');
     expect(
       logs.filter((log) =>
         log.includes('AssertionError: expected 1 to be 100'),

e2e/rstest.config.mts

@@ -40,6 +40,19 @@ export default defineConfig({
   // Retry failed test cases in CI to reduce flaky failures without rerunning
   // the whole suite; keep local runs strict for faster feedback.
   retry: process.env.CI ? 2 : 0,
+  reporters: process.env.CI
+    ? [
+        'default',
+        [
+          'github-actions',
+          {
+            summary: {
+              maxCharsPerField: 10_000,
+            },
+          },
+        ],
+      ]
+    : ['default'],
   slowTestThreshold: 2_000,
   // Stabilize date/time based e2e fixtures across different runner timezones.
   // Some fixtures use `new Date('YYYY-MM-DD')` (UTC parsing) but assert on local

packages/core/src/reporter/utils.ts

@@ -169,9 +169,14 @@ export const logCase = (
 
   logger.log(`  ${icon} ${nameStr}${color.gray(duration)}${retry}${heap}`);
 
-  if (result.errors) {
-    for (const error of result.errors) {
-      logger.log(color.red(`    ${error.message}`));
+  const errors = result.status === 'pass' ? result.retryErrors : result.errors;
+  if (errors) {
+    for (const error of errors) {
+      const message =
+        result.status === 'pass'
+          ? `Previous failure: ${error.message}`
+          : error.message;
+      logger.log(color.red(`    ${message}`));
     }
   }
 };