feat(ios): W3 UI layer + integration CI + ntfy docs
T-iOS-11: TerminalScreen/KeyBar/TerminalViewModel + KeyByteMap (byte-for-byte keybar.ts, arrows excluded from UIKeyCommand to preserve DECCKM) T-iOS-12: PairingScreen/VM — confirm-before-network (zero-call assertions), §5.4 four-tier warnings, Host construction per contract ruling T-iOS-13: SessionListScreen/VM — Tunables-paced polling with leak-free teardown, optimistic kill+rollback, pending via overlay (LiveSessionInfo has no pending field) T-iOS-14: GateBanner/PlanGateSheet/AwayDigestView/GateViewModel — three-way mapping from SessionCore Affordance single source, tap-epoch guard, per-epoch haptics T-iOS-16: IntegrationTests vs real Node server (10 tests: origin guards, mirror, kill-close vs exit-frame differential, 16MiB+ESC/C0 replay) + ios.yml own-sources coverage gate (red-once demoed) T-iOS-17: ios/README.md ntfy chapter (read-only verification, file:line cites) Verified: 224 unit + 10 integration tests green; 5/5 semantic spot-checks; zero Owns violations
This commit is contained in:
Yaojia Wang
281
ios/IntegrationTests/WSTestClient.swift
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281
ios/IntegrationTests/WSTestClient.swift
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//
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// WSTestClient.swift — T-iOS-16 集成测试的 WS 客户端与协议流程助手
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//
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// 由 OriginSpikeTests.swift 拆分而来。与 spike 版的关键差异：帧的编/解码一律走
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// 冻结契约 `MessageCodec`（T-iOS-3）——集成测试因此同时守护"客户端复刻的协议"
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// 与服务器实现之间的漂移（plan §9：这是 Origin spike 的常驻化）。
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// 默认 `maximumMessageSize = Tunables.maxWSMessageBytes`（16 MiB，plan §3.2.1）；
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// 只有 spike③ 的复现分支显式传 nil 保持平台默认 1 MiB。
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import Foundation
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import WireProtocol
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#if canImport(FoundationNetworking)
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import FoundationNetworking
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#endif
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// ─── WS 客户端薄封装（每测一个；不可变持有 task） ───────────────────────────
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final class WSTestClient: @unchecked Sendable {
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let task: URLSessionWebSocketTask
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/// - Parameters:
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/// - origin: nil = 不带 Origin header（守卫负路径）。带值时必须来自
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/// `TestServer.origin`（HostEndpoint 单点派生）或刻意构造的失配值。
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/// - maxMessageBytes: 默认 `Tunables.maxWSMessageBytes`（16 MiB）；
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/// nil = 保持平台默认 1 MiB（仅 spike③ 复现分支）。
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init(server: TestServer, origin: String?, maxMessageBytes: Int? = Tunables.maxWSMessageBytes) {
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var request = URLRequest(url: server.wsURL)
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request.timeoutInterval = 15
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if let origin {
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// T-iOS-2 已定案的平台事实：Origin 不在 reserved-header 列表，setValue 生效。
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request.setValue(origin, forHTTPHeaderField: "Origin")
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}
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let task = URLSession.shared.webSocketTask(with: request)
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if let maxMessageBytes { task.maximumMessageSize = maxMessageBytes }
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self.task = task
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task.resume()
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}
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/// 握手响应状态码（升级被拒时应为 401；成功时 101）。
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var handshakeStatusCode: Int? {
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(task.response as? HTTPURLResponse)?.statusCode
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}
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/// 经冻结契约编码后发送（客户端帧永远走 MessageCodec，不手拼 JSON）。
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func send(_ message: ClientMessage) async throws {
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try await task.send(.string(MessageCodec.encode(message)))
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}
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/// 收下一条文本帧；binary 帧防御性丢弃（服务器只发文本，但不信任它）。
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func receiveText(timeout: Duration) async throws -> String {
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try await withTimeout(timeout) { [self] in
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while true {
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switch try await task.receive() {
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case .string(let text): return text
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case .data: continue
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@unknown default: continue
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}
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}
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}
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}
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/// 升级失败探测：能收到帧/正常等待 → nil；handshake 抛错 → 返回错误。
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func handshakeFailure(timeout: Duration) async -> (any Error)? {
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do {
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_ = try await receiveText(timeout: timeout)
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return nil
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} catch {
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return error
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}
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}
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func close() {
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task.cancel(with: .normalClosure, reason: nil)
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}
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}
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func withTimeout<T: Sendable>(
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_ timeout: Duration,
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_ operation: @escaping @Sendable () async throws -> T
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) async throws -> T {
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try await withThrowingTaskGroup(of: T.self) { group in
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group.addTask { try await operation() }
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group.addTask {
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try await Task.sleep(for: timeout)
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throw HarnessError.timeout("操作超过 \(timeout)")
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}
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guard let first = try await group.next() else {
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throw HarnessError.timeout("task group 无结果")
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}
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group.cancelAll()
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return first
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}
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}
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// ─── 协议流程助手（解码一律 MessageCodec.decodeServer；非法帧丢弃，同服务器语义） ──
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/// input 帧：Enter 是 \r（0x0D），不是 \n（CLAUDE.md gotcha）。
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func shellCommand(_ line: String) -> ClientMessage {
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.input(data: line + "\r")
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}
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/// attach 后等 attached 帧；容忍先到的 output/status（attachWs 在 attached
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/// 之前就回放 snapshot，src/session/session.ts:158-170 / src/server.ts:721-733）。
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func attachAndAwaitAttached(client: WSTestClient, sessionId: UUID?) async throws -> UUID {
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try await client.send(.attach(sessionId: sessionId, cwd: nil))
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let deadline = ContinuousClock.now + HarnessTunables.frameTimeout
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while ContinuousClock.now < deadline {
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let text = try await client.receiveText(timeout: HarnessTunables.frameTimeout)
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if case let .attached(id)? = MessageCodec.decodeServer(text) { return id }
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}
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throw HarnessError.timeout("attach 后未收到 attached 帧")
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}
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/// 累计 output 帧的原始字节数（UTF-8），直到 ≥ minBytes。
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func accumulateOutputBytes(client: WSTestClient, minBytes: Int) async throws -> Int {
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var total = 0
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let deadline = ContinuousClock.now + HarnessTunables.outputAccumulationTimeout
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while ContinuousClock.now < deadline {
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let text = try await client.receiveText(timeout: HarnessTunables.outputAccumulationTimeout)
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guard case let .output(data)? = MessageCodec.decodeServer(text) else { continue }
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total += data.utf8.count
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if total >= minBytes { return total }
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}
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throw HarnessError.timeout("输出累计 \(total)/\(minBytes) 字节后超时")
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}
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/// 顺序累积 output 数据、等待标记出现（标记可跨帧，故必须整段累积再查找）。
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/// 值类型：每个测试自己持有一份，随用随弃（不可变风格；transcript 只增不改）。
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struct TranscriptReader {
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let client: WSTestClient
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private(set) var transcript = ""
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mutating func awaitContains(
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_ marker: String, timeout: Duration = HarnessTunables.markerTimeout
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) async throws {
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let deadline = ContinuousClock.now + timeout
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while !transcript.contains(marker) {
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guard ContinuousClock.now < deadline else {
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throw HarnessError.timeout(
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"等 \"\(marker)\" 超时；transcript 尾部: …\(transcript.suffix(200))")
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}
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let text = try await client.receiveText(timeout: timeout)
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if case let .output(data)? = MessageCodec.decodeServer(text) {
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transcript += data
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}
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}
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}
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}
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struct ReplaySummary: Sendable {
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let adoptedSessionId: UUID
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let totalOutputBytes: Int
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let containsSoftReset: Bool
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}
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/// reattach 并接收全量回放。成功条件：收到 attached 且 output ≥ minBytes。
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func replayResult(
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client: WSTestClient, sessionId: UUID, minBytes: Int
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) async -> Result<ReplaySummary, any Error> {
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do {
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try await client.send(.attach(sessionId: sessionId, cwd: nil))
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var adopted: UUID?
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var total = 0
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var sawSoftReset = false
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let deadline = ContinuousClock.now + HarnessTunables.outputAccumulationTimeout
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while ContinuousClock.now < deadline {
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let text = try await client.receiveText(timeout: HarnessTunables.frameTimeout)
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switch MessageCodec.decodeServer(text) {
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case let .attached(id)?:
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adopted = id
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case let .output(data)?:
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total += data.utf8.count
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// 回放前缀 soft-reset \x1b[0m（src/types.ts:167-170 / M2）。
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if !sawSoftReset, data.contains(WireConstants.replaySoftResetPrefix) {
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sawSoftReset = true
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}
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default:
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break
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}
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if let adopted, total >= minBytes {
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return .success(ReplaySummary(
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adoptedSessionId: adopted, totalOutputBytes: total,
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containsSoftReset: sawSoftReset))
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}
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}
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return .failure(HarnessError.timeout(
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"回放不完整: attached=\(adopted.map(\.uuidString) ?? "无") bytes=\(total)/\(minBytes)"))
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} catch {
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return .failure(error)
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}
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}
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/// 读到 socket 结束为止：返回（是否见到 exit 帧，是否观察到 close）。
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/// 本地等待超时（HarnessError）≠ close —— 二者显式区分，绝不混淆断言语义。
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func drainUntilClose(
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client: WSTestClient, timeout: Duration = HarnessTunables.closeObserveTimeout
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) async -> (sawExit: Bool, closed: Bool) {
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var sawExit = false
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let deadline = ContinuousClock.now + timeout
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while ContinuousClock.now < deadline {
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do {
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let text = try await client.receiveText(timeout: timeout)
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if case .exit? = MessageCodec.decodeServer(text) { sawExit = true }
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} catch is HarnessError {
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return (sawExit, false) // 本地超时：socket 还开着
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} catch {
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return (sawExit, true) // receive 抛平台错误 = 流已结束（close/断开）
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}
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}
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return (sawExit, false)
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}
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/// 等 exit 帧（自然退出广播路径，src/session/session.ts:146-151）。
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func awaitExitFrame(
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client: WSTestClient, timeout: Duration = HarnessTunables.markerTimeout
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) async throws -> (code: Int, reason: String?) {
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let deadline = ContinuousClock.now + timeout
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while ContinuousClock.now < deadline {
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let text = try await client.receiveText(timeout: timeout)
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if case let .exit(code, reason)? = MessageCodec.decodeServer(text) {
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return (code, reason)
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}
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}
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throw HarnessError.timeout("未收到 exit 帧")
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}
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// ─── 超限失败模式判定（spike③ 复现分支） ────────────────────────────────────
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/// 超 maximumMessageSize 的失败模式：NSPOSIXErrorDomain 40（Darwin errno 40 =
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/// EMSGSIZE "Message too long"；plan §1 勘误 —— 原文误标 ENOBUFS，Darwin 上
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/// ENOBUFS 实为 55，两个码都接受）。
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func isMessageTooLongError(_ error: any Error) -> Bool {
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func matches(_ ns: NSError) -> Bool {
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ns.domain == NSPOSIXErrorDomain && (ns.code == Int(EMSGSIZE) || ns.code == Int(ENOBUFS))
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}
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let ns = error as NSError
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if matches(ns) { return true }
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if let underlying = ns.userInfo[NSUnderlyingErrorKey] as? NSError { return matches(underlying) }
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return false
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}
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func describeError(_ error: any Error) -> String {
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let ns = error as NSError
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let underlying = (ns.userInfo[NSUnderlyingErrorKey] as? NSError)
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.map { " underlying=\($0.domain)#\($0.code)" } ?? ""
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return "\(ns.domain)#\(ns.code)\(underlying): \(ns.localizedDescription)"
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}
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// ─── HTTP 助手（G 类端点带 Origin；RO GET 一律不带 —— plan §3.4 铁律） ────────
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/// DELETE /live-sessions/:id（G 类，src/server.ts:354-359）。origin=nil 用于
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/// 守卫负路径（应得 403）。返回 HTTP 状态码。
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func deleteLiveSession(server: TestServer, id: String, origin: String?) async throws -> Int {
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var request = URLRequest(url: server.baseURL.appending(path: "live-sessions/\(id)"))
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request.httpMethod = "DELETE"
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if let origin { request.setValue(origin, forHTTPHeaderField: "Origin") }
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let (_, response) = try await URLSession.shared.data(for: request)
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guard let http = response as? HTTPURLResponse else {
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throw HarnessError.setup("DELETE /live-sessions/\(id) 非 HTTP 响应")
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}
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return http.statusCode
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}
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/// GET /live-sessions（RO，无 Origin）→ 当前会话 id 列表。
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func liveSessionIds(server: TestServer) async throws -> [String] {
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let url = server.baseURL.appending(path: "live-sessions")
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let (data, response) = try await URLSession.shared.data(from: url)
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guard (response as? HTTPURLResponse)?.statusCode == 200,
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let array = try? JSONSerialization.jsonObject(with: data) as? [[String: Any]]
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else {
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throw HarnessError.setup("GET /live-sessions 非预期形状")
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}
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return array.compactMap { $0["id"] as? String }
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}
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/// 测后清理：尽力而为 —— 失败只影响宿主残留一个 bash 会话，不影响断言结果，
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/// 故显式忽略错误（这是唯一允许吞错的地方，且吞的只是清理路径）。
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func killSessionBestEffort(server: TestServer, id: UUID) async {
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_ = try? await deleteLiveSession(
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server: server, id: id.uuidString.lowercased(), origin: server.origin)
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}
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