fix(version): 修正概览耗时与排名统计

apps/web/lib/bug.ts

@@ -1,5 +1,5 @@
 import type { Priority } from './derive';
-import { calcWorkHours, type TimeInterval } from './work-hours';
+import { calcActualElapsedHours, type TimeInterval } from './work-hours';
 
 export type BugStatus = 'open' | 'fixing' | 'fixed' | 'verifying' | 'closed' | 'rejected';
 export type BugSeverity = 'critical' | 'major' | 'minor' | 'trivial';
@@ -32,6 +32,8 @@ export interface Bug {
   resolvedAt?: string;
   closedAt?: string;
   resolution?: string;
+  estimateHours?: number;
+  aiEstimateHours?: number;
   createdAt: string;
   updatedAt: string;
 }
@@ -93,7 +95,7 @@ export function getBugActualHours(bug: Bug, now: Date = new Date()): number {
   const start = bug.createdAt;
   if (!start) return 0;
   const end = bug.closedAt ?? bug.resolvedAt ?? (bug.status === 'closed' || bug.status === 'rejected' ? bug.updatedAt : now.toISOString());
-  return calcWorkHours(start, end);
+  return calcActualElapsedHours(start, end);
 }
 
 export function aggregateBugActualHours(bugs: Bug[], now: Date = new Date()): number {