feat(版本详情): 优化任务统计与测试轮次

apps/web/lib/effort-summary.ts

@@ -0,0 +1,35 @@
+import { formatActualDuration } from './work-hours';
+
+export interface EffortSummaryInput {
+  aiEstimateHours?: number;
+  estimateHours?: number;
+  actualHours: number;
+  manhours: number;
+}
+
+export interface EffortSummaryMetric {
+  label: 'AI预估' | '执行预估' | '实际耗时' | '人力投入';
+  value: string;
+}
+
+export function sumPositiveHours<T>(items: readonly T[], getValue: (item: T) => number | undefined): number | undefined {
+  let total = 0;
+  for (const item of items) {
+    const value = getValue(item);
+    if (typeof value === 'number' && value > 0) total += value;
+  }
+  return total > 0 ? Number(total.toFixed(2)) : undefined;
+}
+
+export function buildEffortSummaryMetrics(input: EffortSummaryInput): EffortSummaryMetric[] {
+  return [
+    { label: 'AI预估', value: formatOptionalHours(input.aiEstimateHours) },
+    { label: '执行预估', value: formatOptionalHours(input.estimateHours) },
+    { label: '实际耗时', value: formatActualDuration(input.actualHours) },
+    { label: '人力投入', value: formatActualDuration(input.manhours) },
+  ];
+}
+
+function formatOptionalHours(hours?: number): string {
+  return typeof hours === 'number' && hours > 0 ? formatActualDuration(hours) : '-';
+}