fix: 修复 HarmonyOS BugCollect fingerprint 异步竞态问题

- Fingerprint.ets: computeFingerprint 改为同步函数
- BugCollect.ets: warn() 和 buildIssueEvent() 使用同步 fingerprint 计算
- 移除 .then() 异步调用，确保事件发送时 fingerprint 已计算完成

Co-Authored-By: Claude <noreply@anthropic.com>

xuqm-sdk/src/main/ets/bugcollect/BugCollect.ets

@@ -111,7 +111,7 @@ export class BugCollect {
       eventId: BugCollect.generateUuid(),
       level: 'warning',
       platform: 'harmony',
-      fingerprint: '', // will be computed async
+      fingerprint: computeFingerprint('Warning', message, ''),
       appKey: config.appKey,
       exception: { type: 'Warning', value: message },
       breadcrumbs: [...BugCollect.breadcrumbs],
@@ -124,11 +124,7 @@ export class BugCollect {
       sdk: { name: SDK_NAME, version: SDK_VERSION },
     }
 
-    // Compute fingerprint async
-    computeFingerprint('Warning', message, '').then(fp => {
-      issue.fingerprint = fp
-      BugCollect.queue?.push(issue)
-    })
+    BugCollect.queue?.push(issue)
   }
 
   /**
@@ -195,7 +191,7 @@ export class BugCollect {
       eventId: BugCollect.generateUuid(),
       level,
       platform: 'harmony',
-      fingerprint: fingerprint ?? '', // will be computed async
+      fingerprint: fingerprint ?? computeFingerprint(error.name ?? 'Error', error.message ?? '', stacktrace),
       appKey: config.appKey,
       exception: {
         type: error.name ?? 'Error',
@@ -212,13 +208,6 @@ export class BugCollect {
       sdk: { name: SDK_NAME, version: SDK_VERSION },
     }
 
-    // Compute fingerprint async
-    if (!fingerprint) {
-      computeFingerprint(error.name ?? 'Error', error.message ?? '', stacktrace).then(fp => {
-        event.fingerprint = fp
-      })
-    }
-
     return event
   }
 

xuqm-sdk/src/main/ets/bugcollect/Fingerprint.ets

@@ -5,9 +5,9 @@
 import cryptoFramework from '@ohos.security.cryptoFramework'
 
 /**
- * 计算错误指纹
+ * 计算错误指纹（同步版本）
  */
-export async function computeFingerprint(type: string, message: string, stacktrace?: string): Promise<string> {
+export function computeFingerprint(type: string, message: string, stacktrace?: string): string {
   const normalizedMessage = normalizeMessage(message)
   const top3Frames = extractTop3Frames(stacktrace)
   const raw = `${type}:${normalizedMessage}:${top3Frames}`