Merge pull request #3040 from chengzhichao-xydt/codex/model-status-type-assert

fix: add ok check for singleflight type assertion in model probe

web/backend/api/model_status.go

@@ -208,7 +208,10 @@ func (s *modelProbeCacheState) probe(cacheKey string, probeFunc func() bool) boo
 		return result, nil
 	})
 
-	result, _ := v.(bool)
+	result, ok := v.(bool)
+	if !ok {
+		return false
+	}
 	return result
 }