test(presenter): M103 r2 —— 出站脱敏补守卫,另三处站点与 Bearer 右边界
P1(守卫缺失,产品代码是对的): - 新增 RecordingTransport + outbound_prompt_is_scrubbed_before_it_reaches_the_backend: 断言真正发给后端的那份 prompt 里没有 JWT(rail 侧也脱敏,「界面干净」证明不了出站安全) - 变异:删掉 agent_submit 的出站 scrub ⇒ 该测试红(输出见完成报告) 另三处同类站点(r2 P2-1): - confirm_tool_name_is_scrubbed(ConfirmRequest.tool) - tool_message_from_the_backend_has_its_tool_view_scrubbed(MessageAppended 的 ToolCallView 分支) - outbound_error_text_is_scrubbed(Err 文案,provider 401 常回显 key) - 三条各自变异后都变红 其他: - bearer_right_boundary_is_pinned(tests.rs):钉住 mask_bearer 的停字符集,收窄成 [' '] 即红 - 文档订正:rail.rs 模块 §2 改成「两道闸门(出站/显示)各守一侧」+ 与 agent 侧的实际关系 (名单逐字相同、path 语义相同、mask_bearer 是行为不完全等价的自写迁移;重复实现是欠账, 不读成「已无差异」也不读成「已经漂移」) - agent_set_draft 与 rail_text 各写明「draft 不在断言覆盖范围」及原因 - tests_red_line.rs 4 行 405 → 380;各文件均 ≤400
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@@ -1,18 +1,28 @@
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//! 红线测试:凭据形状的串不得进 [`crate::agent::AgentRail`]。
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//! 红线测试:凭据形状的串不得进 [`crate::agent::AgentRail`],也不得**出站**。
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//!
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//! 与 `agent/tests.rs` 同源、拆文件只为守「单文件 ≤400 行」。这一组测试的目标是**守住闸门**:
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//! 每条入口各自注入,任何一条把脱敏摘掉都必须变红(r1 复审发现三条入口是假绿,故单列一文件,
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//! 改动这里时请照 r1 的做法逐入口造变异自证)。
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//! 两道闸门(出站 [`Presenter::agent_submit`] 的 prompt/Err、显示 [`crate::agent::rail`] 的
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//! ingest 投影)与每条具体入口各自注入一次,任何一条把脱敏摘掉都必须变红。
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//! r1 / r2 复审都是靠「逐入口造变异」抓出假绿的,改动这里时请照做自证。
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//!
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//! 注入的凭据形状两类:
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//! - JWT(`header.payload.signature`,靠 core `Redactor` 的「带点 token」规则拦);
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//! - 非 JWT 形状(`{"password":"hunter2"}`、短 `Bearer abcdef123456`,靠键名与 Bearer 规则拦)。
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//!
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//! **`rail.draft` 不在这组断言的覆盖范围**:草稿是「还没发出去的字」,UI 要原样显示,
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//! 它按设计可以躺着凭据原文;安全性由「`agent_submit` 脱敏的是入参而非草稿」保证。
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//! 所以本文件的 `rail_text()` 刻意不含 draft——别把「rail 全文无 JWT」读成覆盖了 draft。
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use std::cell::RefCell;
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use std::rc::Rc;
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use super::mock::{MockAgentTransport, Script};
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use super::Presenter;
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use super::{AgentTransport, Presenter};
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use crate::agent::rail::scrub_text;
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use crate::agent::AgentRail;
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use crate::dto::{AgentEvent, AppEvent, ChatMessage, ChatRole, ConfirmRequest, Sensitivity};
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use crate::dto::{
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AgentEvent, AppEvent, ChatMessage, ChatRole, ConfirmRequest, Sensitivity, ToolCallView,
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};
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/// 真实形状的 JWT(header.payload.signature,三段各 ≥8)。
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const JWT: &str = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIn0.c2lnbmF0dXJlLXZhbHVlLXRoYXQtaXMtbG9uZy1lbm91Z2g";
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@@ -209,7 +219,147 @@ fn scrub_text_is_idempotent_on_already_redacted_text() {
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assert_eq!(scrub_text(&bearer), bearer);
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}
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// ───────────────── 出站闸门:发给后端的那份 payload ─────────────────
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/// 记录 `submit` 实参的后端替身:红线里最重要的是「**真正发出去的是什么**」,
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/// 而不是 rail 上显示成什么(显示层自己还会再脱一次,会把出站的漏洞盖住)。
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#[derive(Clone, Default)]
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struct RecordingTransport {
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seen: Rc<RefCell<Vec<String>>>,
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}
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impl AgentTransport for RecordingTransport {
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fn submit(&mut self, text: &str, _history: &AgentRail) -> Result<Vec<AppEvent>, String> {
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self.seen.borrow_mut().push(text.to_string());
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// 照常回一条用户气泡,让整轮流程跟真实后端一致(rail 会再脱一次,所以
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// 只断言 rail 干净是抓不住出站泄漏的)
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Ok(vec![AppEvent::Agent(AgentEvent::MessageAppended(
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ChatMessage::user(text),
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))])
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}
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fn confirm(&mut self, _request_id: &str, _accept: bool) -> Vec<AppEvent> {
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Vec::new()
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}
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}
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/// 一律报错的后端替身(用来守 Err 文案那道 scrub)。
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struct ErrorTransport(String);
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impl AgentTransport for ErrorTransport {
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fn submit(&mut self, _text: &str, _history: &AgentRail) -> Result<Vec<AppEvent>, String> {
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Err(self.0.clone())
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}
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fn confirm(&mut self, _request_id: &str, _accept: bool) -> Vec<AppEvent> {
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Vec::new()
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}
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}
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/// 出站守卫(r2 P1):`agent_submit` 送去后端的那句 prompt 必须已经脱敏。
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///
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/// 关键在**看后端收到什么**:rail 侧也会脱敏,所以「界面上没有 JWT」证明不了出站安全。
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#[test]
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fn outbound_prompt_is_scrubbed_before_it_reaches_the_backend() {
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let seen = Rc::new(RefCell::new(Vec::new()));
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let mut presenter = Presenter::new(Box::new(RecordingTransport {
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seen: Rc::clone(&seen),
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}));
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presenter
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.agent_submit(format!("帮我看看这个 token:{JWT}"))
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.expect("提交应当成功");
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let seen = seen.borrow();
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assert_eq!(seen.len(), 1, "一轮输入只该发一次");
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assert!(
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!seen[0].contains("eyJhbGci"),
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"出站 prompt 里还有 JWT 原文:{}",
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seen[0]
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);
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assert!(
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seen[0].contains("<redacted:token>"),
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"出站 prompt 应当带占位符:{}",
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seen[0]
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);
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}
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/// 失败原因(provider 的 401 常把 key 抄进 message)同样是 UI 可见文本(r2 P2-1 / N)。
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#[test]
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fn outbound_error_text_is_scrubbed() {
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let mut presenter = Presenter::new(Box::new(ErrorTransport(format!(
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"401 Unauthorized: key={JWT}"
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))));
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let error = presenter
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.agent_submit("随便问一句".to_string())
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.expect_err("后端报错时应当返回 Err");
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assert!(!error.contains("eyJhbGci"), "Err 文案里还有 JWT:{error}");
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assert!(error.contains("<redacted:token>"), "{error}");
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}
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// ─────────── 显示闸门:另三处 scrub 站点(r2 P2-1 / K、M)───────────
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/// `ConfirmRequest.tool` 也过闸门(工具名来自注册表,凭据落名字不现实,但「删了没人发现」)。
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#[test]
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fn confirm_tool_name_is_scrubbed() {
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let mut presenter = presenter(Script::Qa);
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presenter.apply(AppEvent::Agent(AgentEvent::ConfirmRequested {
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request: ConfirmRequest {
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id: "req-tool".to_string(),
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tool: format!("set_config_{JWT}"),
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summary: "改设置".to_string(),
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details: serde_json::json!({}),
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sensitivity: Sensitivity::High,
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},
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}));
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let tool = &presenter
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.agent_rail()
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.confirm
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.as_ref()
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.expect("确认请求")
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.tool;
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assert!(!tool.contains("eyJhbGci"), "confirm.tool 未脱敏:{tool}");
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assert!(!rail_text(presenter.agent_rail()).contains("eyJhbGci"));
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}
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/// `MessageAppended` 里带 `ToolCallView` 的那条分支(role = Tool)也要脱敏——
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/// mock 只会发 user,只有真实后端会走到,所以必须单独钉住。
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#[test]
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fn tool_message_from_the_backend_has_its_tool_view_scrubbed() {
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let mut presenter = presenter(Script::Qa);
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presenter.apply(AppEvent::Agent(AgentEvent::MessageAppended(ChatMessage {
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role: ChatRole::Tool,
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text: format!("工具摘要:{JWT}"),
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tool: Some(ToolCallView {
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name: format!("read_game_log_{JWT}"),
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ok: true,
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summary: format!("Authorization: Bearer {JWT}"),
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}),
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streaming: false,
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})));
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let tool = presenter.agent_rail().messages[0]
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.tool
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.as_ref()
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.expect("工具条目");
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assert!(
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!tool.name.contains("eyJhbGci"),
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"tool.name 未脱敏:{}",
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tool.name
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);
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assert!(
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!tool.summary.contains("eyJhbGci"),
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"tool.summary 未脱敏:{}",
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tool.summary
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);
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assert!(!rail_text(presenter.agent_rail()).contains("eyJhbGci"));
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}
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// ───────────────────────── 断言辅助 ─────────────────────────
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/// 把 rail 上所有对用户可见的文本拼起来(红线断言用)。
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///
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/// **不含 `draft`**(见模块文档:草稿按设计可以存原文)。
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fn rail_text(rail: &AgentRail) -> String {
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let mut out = String::new();
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for message in &rail.messages {
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