feat(版本详情): 完善流程日志与需求覆盖

apps/web/lib/test-case.ts

@@ -23,6 +23,7 @@ export interface TestCase {
   estimateHours?: number;
   aiEstimateHours?: number;
   plannedTestAt?: string;
+  plannedEndAt?: string;
   startedAt?: string;
   completedAt?: string;
   executedAt?: string;
@@ -98,6 +99,7 @@ export function normalizeTestCase(testCase: Partial<TestCase>, index = 0): TestC
     estimateHours: typeof testCase.estimateHours === 'number' && testCase.estimateHours > 0 ? testCase.estimateHours : undefined,
     aiEstimateHours: typeof testCase.aiEstimateHours === 'number' && testCase.aiEstimateHours > 0 ? testCase.aiEstimateHours : undefined,
     plannedTestAt: testCase.plannedTestAt,
+    plannedEndAt: testCase.plannedEndAt,
     startedAt: testCase.startedAt,
     completedAt: testCase.completedAt,
     executedAt: testCase.executedAt,
@@ -172,6 +174,7 @@ export function copyTestCaseToRound(source: TestCase, roundNo: number, createdBy
     estimateHours: source.estimateHours,
     aiEstimateHours: source.aiEstimateHours,
     plannedTestAt: source.plannedTestAt,
+    plannedEndAt: source.plannedEndAt,
     assigneeId: source.assigneeId,
     startedAt: undefined,
     completedAt: undefined,
@@ -224,6 +227,23 @@ export function getTestCaseEstimateHours(tc: TestCase): number {
   return 0;
 }
 
+export function needsTestCaseClaim(testCase: Pick<TestCase, 'assigneeId'>): boolean {
+  return !testCase.assigneeId?.trim();
+}
+
+export function hasTestCasePlan(testCase: Pick<TestCase, 'plannedTestAt' | 'plannedEndAt'>): boolean {
+  if (!testCase.plannedTestAt || !testCase.plannedEndAt) return false;
+  const start = new Date(testCase.plannedTestAt).getTime();
+  const end = new Date(testCase.plannedEndAt).getTime();
+  return Number.isFinite(start) && Number.isFinite(end) && end > start;
+}
+
+export function canStartTestCase(
+  testCase: Pick<TestCase, 'assigneeId' | 'plannedTestAt' | 'plannedEndAt'>,
+): boolean {
+  return !needsTestCaseClaim(testCase) && hasTestCasePlan(testCase);
+}
+
 export function getTestCaseActualHours(tc: TestCase, now: Date = new Date()): number {
   if (!tc.startedAt) return 0;
   const isTerminal = tc.status === 'passed' || tc.status === 'failed' || tc.status === 'blocked';