基准扩展 exhaustive（文档化）+ 12→0：枚举 switch 补显式 case（全部与现有 default 行为等价，fail-explicit 防未来枚举静默落入 default）；source_tasks.go 为控制复杂度合并两个等价校验条件。

Result: {"status":"keep","total_issues":8,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_exhaustive":0,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":1,"golint_usestdlibvars":0,"golint_wastedassign":0,"golint_total":8,"golint_test_testifylint":0,"golint_test_thelper":0,"golint_test_usetesting":0,"golint_test_total":0,"eslint_problems":0,"eslint_errors":0,"eslint_warnings":0,"tsc_errors":0,"measure_s":36}

internal/apps/openflare/waf/graph_validate.go

@@ -383,6 +383,8 @@ func requiredHandles(t RuleNodeType) []string {
 		return []string{"next"}
 	case RuleNodeIPMatch, RuleNodeGeoMatch, RuleNodeUACheck, RuleNodeSecurityCheck:
 		return []string{"true", "false"}
+	case RuleNodeAllow, RuleNodeBlock:
+		return nil
 	default:
 		return nil
 	}