Carry actual flow state and freeze callback round identity

Local review candidate only. Explicitly selected inherited prerequisites and prior repair patches; unrelated WIP and independent MQ fixes are excluded. No push or deployment authorized.

ci/test-gate.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+set -eu
+cd "$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)"
+# 真实 MySQL 测试必须使用本次任务的独立 schema，禁止默认连开发/生产库。
+: "${CI_TEST_DB_URL:?CI_TEST_DB_URL is required}"
+: "${CI_TEST_DB_USER:?CI_TEST_DB_USER is required}"
+: "${CI_TEST_DB_PASSWORD:?CI_TEST_DB_PASSWORD is required}"
+case "$CI_TEST_DB_URL" in jdbc:mysql://*) ;; *) echo 'Expected a MySQL test URL' >&2; exit 2 ;; esac
+address=${CI_TEST_DB_URL#jdbc:mysql://}
+host=${address%%/*}; host=${host%%:*}
+case "$host" in localhost|127.0.0.1|mavenbuild-*-db) ;; *) echo 'Database host is outside isolated CI allowlist' >&2; exit 2 ;; esac
+schema=${address#*/}; schema=${schema%%\?*}
+case "$schema" in flowcenter_ci|flowcenter_ci_*) ;; *) echo 'Database schema is outside isolated CI prefix' >&2; exit 2 ;; esac
+export SPRING_DATASOURCE_URL="$CI_TEST_DB_URL"
+export SPRING_DATASOURCE_USERNAME="$CI_TEST_DB_USER"
+export SPRING_DATASOURCE_PASSWORD="$CI_TEST_DB_PASSWORD"
+TESTS=FlApplyRecoveryTest,FlFormBindingTest,OapiFlowApplyDefVersionTest,CallbackPropertiesTest,FlowDefAdminServicePublishContractTest,FormCenterSchemaClientTest,OapiFlowTasksByBizTest,OapiFlowP35DoneCcContractTest
+# Surefire 的选择器部分匹配也可能成功；每个指定类必须随源码存在。
+oldIFS=$IFS
+IFS=,
+for test in $TESTS; do
+    [ -n "$(find src/test/java -type f -name "$test.java" -print -quit)" ] || { echo "Missing required test class: $test" >&2; exit 2; }
+done
+IFS=$oldIFS
+if [ "$#" -eq 0 ]; then set -- test; fi
+exec mvn -B "$@" -Dtest="$TESTS" -DfailIfNoTests=true -Dsurefire.failIfNoSpecifiedTests=true -DforkCount=0 -Dspring.jpa.hibernate.ddl-auto=validate < /dev/null