diff --git a/scripts/lib/vitest-cli-mode.mts b/scripts/lib/vitest-cli-mode.mts
index b3b65a98ffb2..30046ce883b6 100644
--- a/scripts/lib/vitest-cli-mode.mts
+++ b/scripts/lib/vitest-cli-mode.mts
@@ -27,6 +27,7 @@ const VITEST_OPTIONS_WITH_VALUE = new Set([
   "--project",
   "--reporter",
   "--reporters",
+  "--repeats",
   "--retry",
   "--root",
   "-r",
diff --git a/src/agents/embedded-agent-runner/run/attempt-execution-phase.test.ts b/src/agents/embedded-agent-runner/run/attempt-execution-phase.test.ts
index 937300c901cb..8b0d495c2580 100644
--- a/src/agents/embedded-agent-runner/run/attempt-execution-phase.test.ts
+++ b/src/agents/embedded-agent-runner/run/attempt-execution-phase.test.ts
@@ -1,3 +1,4 @@
+import { randomUUID } from "node:crypto";
 import { createAssistantMessageEventStream, type Message } from "openclaw/plugin-sdk/llm";
 import { Type } from "typebox";
 import { afterEach, beforeEach, describe, expect, it, onTestFinished, vi } from "vitest";
@@ -319,7 +320,7 @@ describe("runEmbeddedAttemptExecutionPhase", () => {
         model: testModel,
         modelId: testModel.id,
         provider: testModel.provider,
-        sessionId: `async-fragment-${stopReason}-${cacheRead}-${completion}`,
+        sessionId: randomUUID(),
       });
       Object.assign(runtime, {
         anthropicPayloadLogger: undefined,
diff --git a/test/scripts/run-vitest.test.ts b/test/scripts/run-vitest.test.ts
index 607ca985dc44..225d1530b8b0 100644
--- a/test/scripts/run-vitest.test.ts
+++ b/test/scripts/run-vitest.test.ts
@@ -753,6 +753,10 @@ registerHooks({resolve(specifier, context, nextResolve) {
       ["run", "test/scripts/run-vitest.test.ts", "-t", "src"],
       ["test/scripts/run-vitest.test.ts", "--", "-t", "src"],
     ],
+    [
+      ["run", "test/scripts/run-vitest.test.ts", "--repeats", "19"],
+      ["test/scripts/run-vitest.test.ts", "--", "--repeats", "19"],
+    ],
   ])("keeps option value %j out of project target classification", (argv, expected) => {
     expect(resolveTestProjectsDelegationArgs(argv)).toEqual(expected);
   });