feat(bugcollect): 事件响应中暴露 buildId 字段

IssueEventResponse 新增 buildId 字段，将构建 ID 包含在 events API 响应中，
方便前端展示具体构建对应的错误。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

xuqm-bugcollect-service/src/main/java/com/xuqm/bugcollect/dto/IssueEventResponse.java

@@ -20,6 +20,7 @@ public record IssueEventResponse(
         Object device,
         String platform,
         String release,
+        String buildId,
         String environment,
         @JsonProperty("sdkName") String sdkName,
         @JsonProperty("sdkVersion") String sdkVersion,

xuqm-bugcollect-service/src/main/java/com/xuqm/bugcollect/service/LogService.java

@@ -406,7 +406,7 @@ public class LogService {
         return result.map(e -> new IssueEventResponse(
                 e.getId(), null, e.getEventId(), e.getAppKey(), e.getUserId(), e.getSessionId(),
                 null, null, null, parseJsonField(e.getDevice()),
-                e.getPlatform(), e.getRelease(), e.getEnvironment(),
+                e.getPlatform(), e.getRelease(), e.getBuildId(), e.getEnvironment(),
                 e.getSdkName(), e.getSdkVersion(), e.getCreatedAt()
         ));
     }
@@ -562,7 +562,7 @@ public class LogService {
                 parseJsonField(e.getBreadcrumbs()),
                 parseJsonField(e.getTags()),
                 parseJsonField(e.getDevice()),
-                e.getPlatform(), e.getRelease(), e.getEnvironment(),
+                e.getPlatform(), e.getRelease(), e.getBuildId(), e.getEnvironment(),
                 e.getSdkName(), e.getSdkVersion(), e.getCreatedAt()
         );
     }