diff --git a/frontend/src/features/data-quality/tests/schema.spec.js b/frontend/src/features/data-quality/tests/schema.spec.js
index 45a0ff01..031c385a 100644
--- a/frontend/src/features/data-quality/tests/schema.spec.js
+++ b/frontend/src/features/data-quality/tests/schema.spec.js
@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'vitest';
 import { dataQualityRunSchema } from '../schema';
 const valid = {
-    runId: '00000000-0000-0000-0000-000000000001',
+    runId: '550e8400-e29b-41d4-a716-446655440001',
     source: 'KRX',
     session: '2026-08-01',
     status: 'PASS',
diff --git a/frontend/src/features/data-quality/tests/schema.spec.ts b/frontend/src/features/data-quality/tests/schema.spec.ts
index c0187592..56cbadaa 100644
--- a/frontend/src/features/data-quality/tests/schema.spec.ts
+++ b/frontend/src/features/data-quality/tests/schema.spec.ts
@@ -2,7 +2,7 @@ import { describe, expect, it } from 'vitest'
 import { dataQualityRunSchema } from '../schema'
 
 const valid = {
-  runId: '00000000-0000-0000-0000-000000000001',
+  runId: '550e8400-e29b-41d4-a716-446655440001',
   source: 'KRX',
   session: '2026-08-01',
   status: 'PASS',
diff --git a/frontend/src/features/sell-decision/tests/schema.spec.js b/frontend/src/features/sell-decision/tests/schema.spec.js
index 6ae92df2..73feffa1 100644
--- a/frontend/src/features/sell-decision/tests/schema.spec.js
+++ b/frontend/src/features/sell-decision/tests/schema.spec.js
@@ -1,8 +1,8 @@
 import { describe, expect, it } from 'vitest';
 import { researchSellPolicyRequestSchema, researchSellPolicyResponseSchema } from '../schema';
 const baseRequest = {
-    positionLotId: '00000000-0000-0000-0000-000000000001',
-    cycleId: '00000000-0000-0000-0000-000000000002',
+    positionLotId: '550e8400-e29b-41d4-a716-446655440001',
+    cycleId: '550e8400-e29b-41d4-a716-446655440002',
     evidenceId: 'evidence-1',
     datasetId: 'dataset-1',
     modelVersion: 'model-1',
@@ -25,7 +25,11 @@ const baseRequest = {
 };
 describe('research sell policy contracts', () => {
     it('accepts a valid point-in-time request', () => {
-        expect(researchSellPolicyRequestSchema.safeParse(baseRequest).success).toBe(true);
+        const result = researchSellPolicyRequestSchema.safeParse(baseRequest);
+        if (!result.success) {
+            console.error('Validation errors:', JSON.stringify(result.error.issues, null, 2));
+        }
+        expect(result.success).toBe(true);
     });
     it('rejects a lot weight above security weight', () => {
         const result = researchSellPolicyRequestSchema.safeParse({
diff --git a/frontend/src/features/sell-decision/tests/schema.spec.ts b/frontend/src/features/sell-decision/tests/schema.spec.ts
index 966652f6..29e5dec6 100644
--- a/frontend/src/features/sell-decision/tests/schema.spec.ts
+++ b/frontend/src/features/sell-decision/tests/schema.spec.ts
@@ -5,8 +5,8 @@ import {
 } from '../schema'
 
 const baseRequest = {
-  positionLotId: '00000000-0000-0000-0000-000000000001',
-  cycleId: '00000000-0000-0000-0000-000000000002',
+  positionLotId: '550e8400-e29b-41d4-a716-446655440001',
+  cycleId: '550e8400-e29b-41d4-a716-446655440002',
   evidenceId: 'evidence-1',
   datasetId: 'dataset-1',
   modelVersion: 'model-1',
@@ -30,7 +30,11 @@ const baseRequest = {
 
 describe('research sell policy contracts', () => {
   it('accepts a valid point-in-time request', () => {
-    expect(researchSellPolicyRequestSchema.safeParse(baseRequest).success).toBe(true)
+    const result = researchSellPolicyRequestSchema.safeParse(baseRequest)
+    if (!result.success) {
+      console.error('Validation errors:', JSON.stringify(result.error.issues, null, 2))
+    }
+    expect(result.success).toBe(true)
   })
 
   it('rejects a lot weight above security weight', () => {