fix(bugcollect): 修复 LogService symbolication 日志中的变量名错误

log.info/error 中误用 issueId，改为 eventId，修复编译错误。

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

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

@@ -187,10 +187,10 @@ public class LogService {
             if (symbolicated != null && !symbolicated.equals(event.getStack())) {
                 event.setStackSymbolicated(symbolicated);
                 issueEventRepository.save(event);
-                log.info("Symbolicated issueId={} platform={}", issueId, platform);
+                log.info("Symbolicated eventId={} platform={}", eventId, platform);
             }
         } catch (Exception e) {
-            log.error("Symbolication failed for issueId={}: {}", issueId, e.getMessage(), e);
+            log.error("Symbolication failed for eventId={}: {}", eventId, e.getMessage(), e);
         }
     }