fix(任务): 修复快速创建导致的重复ID

apps/web/stores/useTestCaseStore.ts

@@ -3,6 +3,7 @@ import { create } from 'zustand';
 import type { TestCase, TestCaseStatus } from '@/lib/test-case';
 import { generateCaseNo, normalizeTestCases } from '@/lib/test-case';
 import { applyTestCaseTransition, normalizeTestCaseOnCreate } from '@/lib/test-case-workflow';
+import { createEntityId, dedupeEntityIds } from '@/lib/entity-id';
 import { loadServerData, saveServerData } from '@/lib/server-data';
 
 function saveStored(items: TestCase[]) {
@@ -33,7 +34,11 @@ export const useTestCaseStore = create<TestCaseState>((set, get) => ({
 
   fetchTestCases: async () => {
     const cached = await loadStored();
-    if (cached) set({ testCases: normalizeTestCases(cached) });
+    if (cached) {
+      const result = dedupeEntityIds(normalizeTestCases(cached), 'tc');
+      if (result.changed) saveStored(result.items);
+      set({ testCases: result.items });
+    }
   },
 
   createTestCase: (data) => {
@@ -41,7 +46,7 @@ export const useTestCaseStore = create<TestCaseState>((set, get) => ({
     const now = new Date().toISOString();
     const tc: TestCase = normalizeTestCaseOnCreate({
       ...data,
-      id: `tc-${Date.now()}`,
+      id: createEntityId('tc'),
       caseNo: generateCaseNo(list),
       status: 'pending',
       estimateHours: data.estimateHours ?? 0.5,