feat(acceptance): 建立同构验收与弹性容量体系

实现本地三节点 K3s 同构环境、脱敏生产快照、Gemini 图片和多参考图视频协议模拟、统一验收报告及故障注入。\n\n新增 Worker 容量控制器、资源与连接预算、任务恢复保护，并将生产验收拆分为 validation 执行和人工 CAS 放量。\n\n验证包括 Go 全量测试、PostgreSQL HTTP 集成测试、go vet、OpenAPI、ShellCheck、前端检查、迁移及发布脚本测试。

scripts/publish-release-images.sh

@@ -373,10 +373,16 @@ esac
 mkdir -p dist/releases
 manifest=$root/dist/releases/$source_sha.json
 [[ ! -e $manifest ]] || fail "release manifest already exists: $manifest"
+migration_file=$(git ls-files 'apps/api/migrations/*.sql' | LC_ALL=C sort | tail -n 1)
+migration_version=${migration_file##*/}
+migration_version=${migration_version%.sql}
+[[ $migration_version =~ ^[0-9]{4}_[a-z0-9][a-z0-9_]*$ ]] ||
+  fail 'could not resolve the latest database migration version'
 RELEASE_SOURCE_SHA=$source_sha \
 RELEASE_BASE_SHA=$base_sha \
 RELEASE_COMPONENTS=$component_list \
 RELEASE_MIGRATIONS_CHANGED=$migrations_changed \
+RELEASE_MIGRATION_VERSION=$migration_version \
 RELEASE_API_IMAGE=$api_image \
 RELEASE_WEB_IMAGE=$web_image \
 RELEASE_BUILD_COMPLETED_AT=$build_completed_at \