test(core): pin hook error-text redaction with value-level assertions (#11785)

Refs #11760 item 1 only

Co-authored-by: 易良 <[email protected]>
Co-authored-by: Shaojin Wen <[email protected]>

packages/core/src/telemetry/qwen-logger/qwen-logger.test.ts

@@ -777,6 +777,9 @@ describe('QwenLogger', () => {
       // sink even when telemetry log prompts are on.
       const callArgs = enqueueSpy.mock.calls[0][0];
       expect(callArgs.properties).not.toHaveProperty('error');
+      const serializedEvent = JSON.stringify(callArgs);
+      expect(serializedEvent).not.toContain('error output');
+      expect(serializedEvent).not.toContain('Command failed');
     });
 
     it.each<[string, Parameters<typeof shortHook>, string]>([