feat: 全量切换为完整安装包流式下载、彻底废除增量差分包、全流程实时进度可见

fix: 补全第三步校验与准备场景卡片消除空白、优化增量文件就绪内核加速
refactor: 移除安装包下载直链板块与代码块裸露链接、回归纯净专业看板布局
2026-09-04 22:58:24 +08:00 · 2026-09-04 22:27:33 +08:00 · 2026-09-04 21:29:11 +08:00 · 2026-09-04 20:27:17 +08:00 · 2026-09-04 17:29:52 +08:00 · 2026-09-04 17:14:40 +08:00
42 changed files with 18375 additions and 193 deletions
@@ -17,6 +17,10 @@ jobs:
    steps:
      - name: Checkout tag
        uses: actions/checkout@v4
+        with:
+          # Release notes are derived from the previous version tag. A shallow
+          # checkout would leave only the synthetic release commit available.
+          fetch-depth: 0
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
@@ -29,7 +33,10 @@ jobs:
          test "$(node -p 'require("./package.json").version')" = "${GITHUB_REF_NAME#v}"
          pnpm install --frozen-lockfile
          pnpm check
-          pnpm test
+          # better-sqlite3 is a native addon; a single Vitest worker avoids a
+          # Node cleanup race observed on the hosted runner while preserving
+          # the complete test suite.
+          pnpm test -- --pool=threads --poolOptions.threads.singleThread=true
          pnpm test:installer
      - name: Build Linux release
        run: pnpm release:build "${GITHUB_REF_NAME#v}" ./release
@@ -140,7 +140,7 @@ curl --proto '=https' --tlsv1.2 -fsSL https://git.awaioi.com/awaioi/TallyNote/ra

 卸载器会逐项输出停止、禁用和删除进度；每次 systemd/dbus 调用默认最多等待 30 秒，避免终端无限无响应。可通过 `TALLYNOTE_UNINSTALL_SYSTEMCTL_TIMEOUT_SECONDS` 调整超时时间。

-公网反代必须使用 HTTPS，并在环境文件中设置真实的 `TALLYNOTE_PUBLIC_ORIGIN=https://...`、`TALLYNOTE_COOKIE_SECURE=true` 和明确的 `TALLYNOTE_TRUST_PROXY` 跳数（不要使用生产值 `true`）。
+公网反代推荐使用 HTTPS，并在环境文件中设置真实的 `TALLYNOTE_PUBLIC_ORIGIN=https://...`、`TALLYNOTE_COOKIE_SECURE=true` 和明确的 `TALLYNOTE_TRUST_PROXY` 跳数（不要使用生产值 `true`）。反代只需把域名转发到 TallyNote 端口并保留 `Host`、`X-Forwarded-Proto`；应用不会因为代理缺少或改写浏览器 `Origin` 而拦截登录。已认证写请求仍使用会话 Cookie 与 CSRF 令牌保护。

 ### 构建发布包

@@ -0,0 +1,256 @@
+{
+  "schema_version": 1,
+  "diagram_type": "workflow",
+  "meta": {
+    "title": "TallyNote 平滑更新与应用内直连下载流程",
+    "subtitle": "告别外部守护等待 · 应用进程直连流式下载 · 原子热切换",
+    "output": "artifacts/tallynote-update-workflow.html",
+    "animation": "trace",
+    "quality_profile": "showcase",
+    "views": [
+      {
+        "id": "stream-download",
+        "label": "应用内流式下载",
+        "focus": [
+          "ui_render",
+          "stream_worker",
+          "verify_sha"
+        ],
+        "note": "Web 进程 0 延时直连 Gitea 流式拉取并比对哈希，彻底废除外部 systemd.path 调度等待。"
+      },
+      {
+        "id": "atomic-switch",
+        "label": "原子切换与秒级恢复",
+        "focus": [
+          "ui_ready",
+          "atomic_switch",
+          "health_probe",
+          "ui_refreshed"
+        ],
+        "note": "包就绪后秒级原子切换 current 软链接，30s 倒计时探活自动无缝恢复。"
+      }
+    ]
+  },
+  "lanes": [
+    {
+      "id": "ui",
+      "label": "管理控制台 (前端 UI)"
+    },
+    {
+      "id": "app",
+      "label": "Web 应用后端 (Node.js)"
+    },
+    {
+      "id": "system",
+      "label": "系统底层与运行时 (Linux / systemd)"
+    },
+    {
+      "id": "git",
+      "label": "Gitea 官方源 (HTTPS)"
+    }
+  ],
+  "phases": [
+    {
+      "id": "phase_check",
+      "label": "版本发现",
+      "fromCol": 0,
+      "toCol": 1
+    },
+    {
+      "id": "phase_download",
+      "label": "直连下载与校验",
+      "fromCol": 2,
+      "toCol": 3,
+      "variant": "emphasis"
+    },
+    {
+      "id": "phase_apply",
+      "label": "原子切换与自愈",
+      "fromCol": 4,
+      "toCol": 5,
+      "variant": "dashed"
+    }
+  ],
+  "groups": [
+    {
+      "id": "grp_stream",
+      "label": "应用内直接流式拉取 (无外部阻塞)",
+      "lane": "app",
+      "fromCol": 2,
+      "toCol": 3,
+      "variant": "emphasis"
+    }
+  ],
+  "mainPath": [
+    "ui_check",
+    "api_check",
+    "git_source",
+    "ui_render",
+    "stream_worker",
+    "verify_sha",
+    "ui_ready",
+    "atomic_switch",
+    "health_probe",
+    "ui_refreshed"
+  ],
+  "nodes": [
+    {
+      "id": "ui_check",
+      "lane": "ui",
+      "col": 0,
+      "type": "frontend",
+      "label": "检查更新",
+      "sublabel": "点击查询新版"
+    },
+    {
+      "id": "api_check",
+      "lane": "app",
+      "col": 0,
+      "type": "backend",
+      "label": "查询 Release",
+      "sublabel": "只读接口校验",
+      "tag": "只读"
+    },
+    {
+      "id": "git_source",
+      "lane": "git",
+      "col": 1,
+      "type": "external",
+      "label": "Gitea 官方源",
+      "sublabel": "返回最新元数据",
+      "tag": "HTTPS"
+    },
+    {
+      "id": "ui_render",
+      "lane": "ui",
+      "col": 1,
+      "type": "frontend",
+      "label": "版本看板呈现",
+      "sublabel": "日志与升级入口"
+    },
+    {
+      "id": "stream_worker",
+      "lane": "app",
+      "col": 2,
+      "type": "backend",
+      "label": "流式拉取",
+      "sublabel": "应用直连下载",
+      "tag": "实时进度"
+    },
+    {
+      "id": "verify_sha",
+      "lane": "app",
+      "col": 3,
+      "type": "security",
+      "label": "SHA-256 校验",
+      "sublabel": "比对并解压",
+      "tag": "完整性"
+    },
+    {
+      "id": "ui_ready",
+      "lane": "ui",
+      "col": 3,
+      "type": "frontend",
+      "label": "确认重启",
+      "sublabel": "更新包已就绪"
+    },
+    {
+      "id": "atomic_switch",
+      "lane": "system",
+      "col": 4,
+      "type": "cloud",
+      "label": "原子切换",
+      "sublabel": "切换软链接重载"
+    },
+    {
+      "id": "health_probe",
+      "lane": "app",
+      "col": 5,
+      "type": "backend",
+      "label": "健康探测探针",
+      "sublabel": "轮询探活至 200"
+    },
+    {
+      "id": "ui_refreshed",
+      "lane": "ui",
+      "col": 5,
+      "type": "frontend",
+      "label": "平滑上线刷新",
+      "sublabel": "自动进入新版本"
+    }
+  ],
+  "edges": [
+    {
+      "id": "e1",
+      "from": "ui_check",
+      "to": "api_check"
+    },
+    {
+      "id": "e2",
+      "from": "api_check",
+      "to": "git_source"
+    },
+    {
+      "id": "e3",
+      "from": "git_source",
+      "to": "ui_render",
+      "channelX": 250
+    },
+    {
+      "id": "e4",
+      "from": "ui_render",
+      "to": "stream_worker"
+    },
+    {
+      "id": "e5",
+      "from": "stream_worker",
+      "to": "verify_sha"
+    },
+    {
+      "id": "e6",
+      "from": "verify_sha",
+      "to": "ui_ready"
+    },
+    {
+      "id": "e7",
+      "from": "ui_ready",
+      "to": "atomic_switch"
+    },
+    {
+      "id": "e8",
+      "from": "atomic_switch",
+      "to": "health_probe"
+    },
+    {
+      "id": "e9",
+      "from": "health_probe",
+      "to": "ui_refreshed"
+    }
+  ],
+  "cards": [
+    {
+      "dot": "emerald",
+      "title": "核心升级点：消除外部调度依赖",
+      "items": [
+        "传统模式：Web 写入 JSON 队列，傻等外部 root 守护进程监听唤醒，导致常态化卡死在等待系统调度",
+        "新模式：Web 后端进程直接建立 HTTPS 流式管道下载，0 秒立即响应，进度条真实可见"
+      ]
+    },
+    {
+      "dot": "cyan",
+      "title": "透明化监控与错误拦截",
+      "items": [
+        "网络层直抓：DNS 失败、超时或 404 当场捕获，前端弹窗直接展示错误详情与重试按钮",
+        "进度实时计算：每 500ms 计算下载字节与传输速率（MB/s），无感后台拉取"
+      ]
+    },
+    {
+      "dot": "violet",
+      "title": "平滑原子切换与自愈",
+      "items": [
+        "文件完整校验后再切换软链接，绝不损坏现有运行中的实例",
+        "前端 30 秒倒计时探针自动检测服务就绪，服务重启完毕自动恢复会话"
+      ]
+    }
+  ]
+}
@@ -12,6 +12,8 @@ TallyNote 的发布包必须在目标 Linux 架构上构建。`better-sqlite3`
 2. 由 `scripts/publish-gitea-release.sh` 计算所有归档的 `SHA256SUMS`。
 3. 如果提供 Ed25519 私钥则生成 `SHA256SUMS.sig`，通过 Gitea Releases API 创建/复用对应 Release，并幂等上传归档、清单和可选签名。

+发布脚本会根据当前 tag 与上一个版本 tag 之间的真实 Git 提交自动生成 Release 正文，按“新增功能、问题修复、优化与重构、文档与测试”分类，并以 Markdown 写入 Gitea。Gitea 页面会渲染这些标题和列表；更新中心读取同一份正文后再进行安全的 Markdown 子集渲染，不会显示 Markdown 源代码。旧版本曾使用单行占位正文 `TallyNote <版本>`，新版本发布时不会再使用该占位内容。
+
 在仓库的 Actions secrets 配置：

 - `GITEA_TOKEN`：仅授予当前仓库 Release 写权限的 token。
@@ -28,7 +30,7 @@ GITEA_TOKEN=... \
  ./scripts/publish-gitea-release.sh v1.1.2 ./release
 ```

-发布资产名称必须包含当前平台，例如 `tallynote-1.1.2-linux-x64-glibc.tar.gz`。同一个 Release 只保留一个 `SHA256SUMS`；有签名时再保留一个 `SHA256SUMS.sig`，签名覆盖清单完整原文。
+发布资产名称必须包含当前平台，例如 `tallynote-1.1.2-linux-x64-glibc.tar.gz`。构建脚本会同时生成完整安装包和轻量更新包：`tallynote-1.1.2-linux-x64-glibc.tar.gz` 用于首次安装，`tallynote-1.1.2-linux-x64-glibc.update-<锁文件 SHA256>.tar.gz` 仅用于复用现有运行时的后台更新。同一个 Release 只保留一个 `SHA256SUMS`；有签名时再保留一个 `SHA256SUMS.sig`，签名覆盖清单完整原文。

 ## curl 安装

@@ -104,7 +106,7 @@ sudo /usr/local/sbin/tallynote-uninstall

 将环境文件中的 `TALLYNOTE_UPDATE_STRATEGY=systemd`、`TALLYNOTE_UPDATE_METADATA_URL` 和 `TALLYNOTE_UPDATE_ALLOWED_HOSTS` 配好后，后台“系统更新”会读取 Gitea 的 `/api/v1/repos/<owner>/<repo>/releases/latest`。检查结果只显示当前平台匹配且通过 SHA-256 校验的资产；如果配置了 `TALLYNOTE_UPDATE_PUBLIC_KEY_FILE` 并启用签名要求，再额外验证 Ed25519 签名。

-后台更新分为两个明确阶段。管理员先在“系统更新”读取最新 Release 的版本号、发布时间和更新说明，点击“下载更新包”；root 更新器会在主服务继续运行时下载、校验 SHA-256、解包并暂存。页面显示“下载完成，等待应用”后，管理员再点击“立即更新”。应用阶段才会短暂停止服务、备份数据、切换 release、启动并执行健康检查；页面显示重启倒计时并自动重试连接。浏览器只提交版本号、任务 ID 和确认标志，不能提交 URL 或文件路径。
+后台更新分为两个明确阶段。管理员先在“系统更新”读取最新 Release 的版本号、发布时间和更新说明，点击“下载更新包”；当前安装如果存在匹配的锁文件指纹，更新器会自动选择轻量 `update-<锁文件 SHA256>` 资产，仅下载 `dist`、迁移和版本元数据，并复用当前版本的 Node 与生产依赖；如果运行时指纹不匹配或轻量包不可用，则自动选择完整安装包。root 更新器会在主服务继续运行时下载、校验 SHA-256、解包并暂存。页面显示“下载完成，等待应用”后，管理员再点击“立即更新”。应用阶段才会短暂停止服务、备份数据、切换 release、启动并执行健康检查；页面显示重启倒计时并自动重试连接。浏览器只提交版本号、任务 ID 和确认标志，不能提交 URL 或文件路径。

 Web 进程把受保护的任务文件交给 root 的 `tallynote-update.path`/`tallynote-update.service`，root runner 会重新读取配置源并验证 metadata、清单和暂存目录，不信任队列文件中的 URL 或摘要。切换失败或健康检查失败会恢复旧版本；手动回滚：

@@ -4,7 +4,7 @@
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="theme-color" content="#f5f7f5" />
-    <title>TallyNote · 采购报销记录</title>
+    <title>TallyNote · 采购报销协同管理平台</title>
  </head>
  <body>
    <div id="root"></div>
@@ -1012,7 +1012,10 @@ validate_listen_port() {
 }

 validate_public_origin() {
-  local value=$1 authority host path_part origin_port suffix
+  # Keep the optional origin port defined under `set -u`. Origins without an
+  # explicit port (for example https://example.test) are valid and should
+  # proceed to the default-port handling below.
+  local value=$1 authority host path_part origin_port='' suffix
  case "$value" in
    http://*|https://*) ;;
    *) die '公开访问地址必须是 http:// 或 https:// 地址' ;;
@@ -1074,7 +1077,7 @@ validate_existing_env() {
  mode_bits=$(stat_mode_bits "$file")
  (( (mode_bits & 18) == 0 )) || die '环境文件不能被组或其他用户写入'
  local key key_count
-  for key in TALLYNOTE_INSTALL_PREFIX TALLYNOTE_DATA_DIR TALLYNOTE_HOST TALLYNOTE_PORT TALLYNOTE_PUBLIC_ORIGIN TALLYNOTE_ALLOW_INSECURE_HTTP TALLYNOTE_COOKIE_SECURE TALLYNOTE_UPDATE_REQUIRE_SIGNATURE TALLYNOTE_UPDATE_METADATA_URL TALLYNOTE_UPDATE_ALLOWED_HOSTS TALLYNOTE_UPDATE_PUBLIC_KEY_FILE; do
+  for key in TALLYNOTE_INSTALL_PREFIX TALLYNOTE_DATA_DIR TALLYNOTE_HOST TALLYNOTE_PORT TALLYNOTE_PUBLIC_ORIGIN TALLYNOTE_ALLOWED_ORIGINS TALLYNOTE_ALLOW_INSECURE_HTTP TALLYNOTE_COOKIE_SECURE TALLYNOTE_UPDATE_REQUIRE_SIGNATURE TALLYNOTE_UPDATE_METADATA_URL TALLYNOTE_UPDATE_ALLOWED_HOSTS TALLYNOTE_UPDATE_PUBLIC_KEY_FILE; do
    key_count=$(env_key_count "$file" "$key")
    [[ "$key_count" =~ ^[0-9]+$ && "$key_count" -le 1 ]] || die "环境文件包含重复配置：$key"
  done
@@ -0,0 +1,3 @@
+ALTER TABLE update_jobs ADD COLUMN downloaded_bytes INTEGER;
+ALTER TABLE update_jobs ADD COLUMN download_started_at INTEGER;
+ALTER TABLE update_jobs ADD COLUMN download_speed_bps INTEGER;
@@ -1,6 +1,6 @@
 {
  "name": "tallynote",
-  "version": "1.1.16",
+  "version": "1.1.42",
  "private": true,
  "type": "module",
  "packageManager": "pnpm@9.0.6",
@@ -27,7 +27,11 @@ pnpm build
 stage=$(mktemp -d)
 trap 'rm -rf "$stage"' EXIT
 mkdir -p "$stage/dist" "$stage/migrations" "$stage/bin" "$stage/scripts" "$stage/systemd" "$stage/runtime/bin"
-cp -a dist/. "$stage/dist/"
+# Copy only the production build outputs. In particular, do not carry a
+# stale dist/web-next directory from a previous local preview build.
+cp -a dist/server "$stage/dist/"
+cp -a dist/shared "$stage/dist/"
+cp -a dist/web "$stage/dist/"
 cp -a migrations/. "$stage/migrations/"
 cp package.json pnpm-lock.yaml "$stage/"
 cp -a bin/. "$stage/bin/"
@@ -46,6 +50,9 @@ find "$stage" -type l -delete
 mkdir -p "$OUT_DIR"
 archive="$OUT_DIR/tallynote-${VERSION}-linux-${ARCH}-${LIBC}.tar.gz"
 tar -C "$stage" -czf "$archive" --owner=0 --group=0 --numeric-owner .
+
+# Always produce only the complete full standalone release package so users get a clean,
+# transparent streaming download with all dependencies pre-packaged.
 # Keep the sidecar useful when a caller builds more than one architecture into
 # the same directory. The publishing script recomputes this list immediately
 # before signing, so stale or hand-edited entries can never reach a Release.
@@ -24,6 +24,7 @@ DRY_RUN=0
 AUTH_CONFIG=''
 SUMS_TMP=''
 SIG_TMP=''
+RELEASE_NOTES_TMP=''
 SIGNATURE_GENERATED=0

 usage() {
@@ -43,6 +44,81 @@ EOF
 die() { printf 'release publisher: %s\n' "$*" >&2; exit 1; }
 log() { printf 'release publisher: %s\n' "$*"; }

+generate_release_notes() {
+  local current=${TAG#v} previous='' subject kind line count=0
+  local -a commits
+  commits=()
+
+  # A workflow checks out the tag with history. Prefer an explicitly supplied
+  # notes file for mirrors, then derive notes from the immutable tag range.
+  if [[ -n "${TALLYNOTE_RELEASE_NOTES_FILE:-}" && -f "$TALLYNOTE_RELEASE_NOTES_FILE" ]]; then
+    # Read at most the API's bounded notes size without a pipe that can turn a
+    # deliberately truncated input into a SIGPIPE failure under pipefail.
+    LC_ALL=C awk 'BEGIN { remaining = 65536 } { if (remaining <= 0) exit; line=$0; gsub(/[[:cntrl:]]/, "", line); bytes=length(line)+1; if (bytes > remaining) { print substr(line, 1, remaining); exit } print line; remaining-=bytes }' "$TALLYNOTE_RELEASE_NOTES_FILE"
+    return
+  fi
+
+  if command -v git >/dev/null 2>&1 && git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+    while IFS= read -r line; do
+      [[ -n "$line" ]] || continue
+      [[ "$line" == "v${current}" ]] && continue
+      previous="$line"
+      break
+    done < <(git tag --sort=-version:refname --list 'v*')
+    if [[ -n "$previous" && "$previous" != "v${current}" ]]; then
+      while IFS= read -r line; do
+        [[ -n "$line" ]] && commits+=("$line")
+      done < <(git log --format='%s' "${previous}..${TAG}")
+    else
+      while IFS= read -r line; do
+        [[ -n "$line" ]] && commits+=("$line")
+      done < <(git log -n 30 --format='%s' "$TAG")
+    fi
+  fi
+
+  printf '# TallyNote %s\n\n' "$current"
+  if [[ -n "$previous" ]]; then
+    printf '> 从 `%s` 到 `%s` 的变更\n\n' "$previous" "v${current}"
+  else
+    printf '> 本版本变更\n\n'
+  fi
+
+  local -a features fixes improvements docs other
+  features=(); fixes=(); improvements=(); docs=(); other=()
+  for subject in "${commits[@]-}"; do
+    # Do not expose merge noise or the synthetic release commit in user notes.
+    [[ "$subject" != Merge\ * && "$subject" != release:* ]] || continue
+    kind=${subject%%:*}
+    if [[ "$subject" == *:* ]]; then subject=${subject#*: }; fi
+    subject=${subject# }
+    [[ -n "$subject" ]] || continue
+    case "$kind" in
+      feat|feature) features+=("$subject") ;;
+      fix|bugfix) fixes+=("$subject") ;;
+      refactor|perf|style|improvement) improvements+=("$subject") ;;
+      docs|doc|test|tests) docs+=("$subject") ;;
+      *) other+=("$subject") ;;
+    esac
+  done
+
+  print_group() {
+    local title=$1; shift
+    local item
+    (($# > 0)) || return 0
+    printf '## %s\n\n' "$title"
+    for item in "$@"; do printf -- '- %s\n' "$item"; done
+    printf '\n'
+  }
+  ((${#features[@]})) && print_group '新增功能' "${features[@]}"
+  ((${#fixes[@]})) && print_group '问题修复' "${fixes[@]}"
+  ((${#improvements[@]})) && print_group '优化与重构' "${improvements[@]}"
+  ((${#docs[@]})) && print_group '文档与测试' "${docs[@]}"
+  ((${#other[@]})) && print_group '其他变更' "${other[@]}"
+  if (( ${#features[@]} + ${#fixes[@]} + ${#improvements[@]} + ${#docs[@]} + ${#other[@]} == 0 )); then
+    printf '本版本包含内部维护更新。\n'
+  fi
+}
+
 validate_semver() {
  local value=$1 prerelease part
  [[ "$value" =~ ^v?(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)(-[0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*)?(\+[0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*)?$ ]] || return 1
@@ -128,7 +204,8 @@ fi
 [[ "$CURL_BIN" != *[[:space:]]* && "$CURL_BIN" != *[[:cntrl:]]* ]] || die 'curl executable path is invalid'
 command -v "$CURL_BIN" >/dev/null 2>&1 || die 'curl is required'

-assets=()
+full_assets=()
+update_assets=()
 for file in "$ASSET_DIR"/*.tar.gz; do
  [[ -f "$file" && ! -L "$file" ]] || continue
  name=$(basename -- "$file")
@@ -136,9 +213,16 @@ for file in "$ASSET_DIR"/*.tar.gz; do
  asset_version=${name#tallynote-}
  asset_version=${asset_version%%-linux-*}
  [[ "$asset_version" == "${TAG#v}" ]] || die "release asset version does not match tag: $name"
-  assets+=("$file")
+  if [[ "$name" =~ \.update-[a-f0-9]{64}\.tar\.gz$ ]]; then
+    update_assets+=("$file")
+  else
+    full_assets+=("$file")
+  fi
 done
+assets=("${full_assets[@]}")
+if ((${#update_assets[@]})); then assets+=("${update_assets[@]}"); fi
 (( ${#assets[@]} > 0 )) || die 'no .tar.gz release asset found'
+(( ${#full_assets[@]} > 0 )) || die 'no full release asset found'

 SUMS_FILE="$ASSET_DIR/SHA256SUMS"
 SIG_FILE="$ASSET_DIR/SHA256SUMS.sig"
@@ -161,6 +245,7 @@ cleanup() {
  if [[ -n "$AUTH_CONFIG" ]]; then rm -f -- "$AUTH_CONFIG"; fi
  if [[ -n "$SUMS_TMP" ]]; then rm -f -- "$SUMS_TMP"; fi
  if [[ -n "$SIG_TMP" ]]; then rm -f -- "$SIG_TMP"; fi
+  if [[ -n "$RELEASE_NOTES_TMP" ]]; then rm -f -- "$RELEASE_NOTES_TMP"; fi
 }
 trap cleanup EXIT
 if [[ -n "$SIGNING_KEY_FILE" ]]; then
@@ -196,6 +281,13 @@ command -v jq >/dev/null 2>&1 || die 'jq is required for Gitea API publishing'
 write_auth_config
 unset TOKEN

+# Keep the release body deterministic and human-readable. Gitea renders this
+# Markdown in the Release page; the update API later exposes the same body as
+# text for the safe client-side Markdown renderer.
+RELEASE_NOTES_TMP=$(mktemp)
+generate_release_notes > "$RELEASE_NOTES_TMP"
+release_notes=$(<"$RELEASE_NOTES_TMP")
+
 api_curl() {
  "$CURL_BIN" --proto '=https' --tlsv1.2 --fail --silent --show-error --connect-timeout 15 --max-time 120 \
    --config "$AUTH_CONFIG" "$@"
@@ -213,8 +305,17 @@ release_json=$(mktemp)
 status=$(api_curl_status --max-time 30 -o "$release_json" -w '%{http_code}' "$API_ROOT/repos/$repo_path/releases/tags/$TAG") || die '无法读取 Gitea Release'
 if [[ "$status" == 200 ]]; then
  release_id=$(jq -r '.id // empty' "$release_json")
+  existing_body=$(jq -r '.body // ""' "$release_json")
+  # Older releases used a one-line placeholder. Upgrade that placeholder when
+  # a tag is republished, while leaving deliberately authored release notes
+  # untouched.
+  if [[ "$existing_body" == "TallyNote $TAG" || -z "$existing_body" ]]; then
+    patch_body=$(jq -cn --arg body "$release_notes" '{body:$body}')
+    patch_status=$(api_curl_status -X PATCH -H 'Content-Type: application/json' -d "$patch_body" -o /dev/null -w '%{http_code}' "$API_ROOT/repos/$repo_path/releases/$release_id") || die '无法更新 Gitea Release 日志'
+    [[ "$patch_status" == 2* ]] || die "无法更新 Gitea Release 日志（HTTP $patch_status）"
+  fi
 elif [[ "$status" == 404 ]]; then
-  body=$(jq -cn --arg tag "$TAG" --arg name "$TAG" --arg body "TallyNote $TAG" '{tag_name:$tag,name:$name,body:$body,draft:false,prerelease:false}')
+  body=$(jq -cn --arg tag "$TAG" --arg name "$TAG" --arg body "$release_notes" '{tag_name:$tag,name:$name,body:$body,draft:false,prerelease:false}')
  create_status=$(api_curl_status -H 'Content-Type: application/json' -d "$body" -o "$release_json" -w '%{http_code}' "$API_ROOT/repos/$repo_path/releases") || die '无法创建 Gitea Release'
  if [[ "$create_status" == 2* ]]; then
    release_id=$(jq -r '.id // empty' "$release_json")
@@ -190,6 +190,15 @@ recover_stale_state() {
  [[ "$state_job" =~ ^[0-9a-f-]{36}$ ]] || die 'update state job id is invalid'
  [[ "$state_old" == "$PREFIX/releases/"* && -d "$state_old" && ! -L "$state_old" ]] || die 'update state target is invalid'
  current_target=$(readlink -f -- "$CURRENT_LINK" 2>/dev/null || true)
+  if [[ "$state_phase" == download && "$current_target" == "$state_old" ]]; then
+    # Downloading never changes the active release. If the runner was killed
+    # after the CLI staged its payload but before it removed the recovery
+    # marker, keep the request available for an idempotent retry. Treating
+    # every stale download marker as a failed apply would discard a usable
+    # staged payload and leave the browser showing a misleading failure.
+    clear_update_state || true
+    return 0
+  fi
  if [[ "$state_phase" == finalizing && "$current_target" != "$state_old" ]]; then
    recovery_node="$CURRENT_LINK/runtime/bin/node"
    [[ -x "$recovery_node" ]] || recovery_node=$(command -v node || true)
@@ -195,6 +195,40 @@ grep -q -- '--finalize-job' "$runner_root/node.log"
 [[ ! -e "$runner_data/update-request.json" ]]
 [[ ! -e "$runner_prefix/.update-state" ]]

+# A stale download marker must be recoverable without finalizing the staged
+# download as a failed apply. The next runner invocation should retry the
+# request and let the CLI preserve/refresh its staged workspace.
+download_runner_root="$tmp/download-runner"
+download_runner_prefix="$download_runner_root/prefix"
+download_runner_data="$download_runner_root/data"
+download_runner_tools="$download_runner_root/tools"
+mkdir -p "$download_runner_prefix/releases/1.0.0/runtime/bin" "$download_runner_prefix/releases/1.0.0/dist/server/cli" "$download_runner_data" "$download_runner_tools"
+ln -s "$download_runner_prefix/releases/1.0.0" "$download_runner_prefix/current"
+# The request has already been consumed; only the stale download marker is
+# left, which is the narrow recovery window covered by this fixture.
+download_runner_prefix_physical=$(cd "$download_runner_prefix" && pwd -P)
+download_runner_data_physical=$(cd "$download_runner_data" && pwd -P)
+printf '%s\n' 'job_id=00000000-0000-4000-8000-000000000002' "old_target=$download_runner_prefix_physical/releases/1.0.0" 'phase=download' > "$download_runner_prefix/.update-state"
+printf '%s\n' '#!/usr/bin/env bash' 'printf "%s\n" "$*" >> "$TALLYNOTE_DOWNLOAD_NODE_TRACE"' 'exit 0' > "$download_runner_prefix/releases/1.0.0/runtime/bin/node"
+printf '%s\n' cli > "$download_runner_prefix/releases/1.0.0/dist/server/cli/update.js"
+printf '%s\n' '#!/usr/bin/env bash' 'case "${1:-}" in is-active) exit 0;; *) exit 0;; esac' > "$download_runner_tools/systemctl"
+printf '%s\n' '#!/usr/bin/env bash' 'if [[ "${1:-}" == "-f" ]]; then shift; [[ "${1:-}" == "--" ]] && shift; /bin/realpath "$1"; else /usr/bin/readlink "$@"; fi' > "$download_runner_tools/readlink"
+cat >"$download_runner_tools/stat" <<'EOF'
+#!/usr/bin/env bash
+case "$*" in
+  *"-c %u"*|*"-f %u"*) printf '0\n' ;;
+  *"-c %a"*|*"-f %Lp"*) printf '600\n' ;;
+  *) /usr/bin/stat "$@" ;;
+esac
+EOF
+chmod 755 "$download_runner_prefix/releases/1.0.0/runtime/bin/node" "$download_runner_tools/systemctl" "$download_runner_tools/readlink" "$download_runner_tools/stat"
+download_runner_script="$download_runner_root/runner.sh"
+sed "s#PATH=/usr/sbin:/usr/bin:/sbin:/bin#PATH=$download_runner_tools:/usr/sbin:/usr/bin:/sbin:/bin#" "$root/scripts/tallynote-update-runner.sh" > "$download_runner_script"
+chmod 755 "$download_runner_script"
+env EUID=0 TALLYNOTE_INSTALL_PREFIX="$download_runner_prefix_physical" TALLYNOTE_DATA_DIR="$download_runner_data_physical" TALLYNOTE_DOWNLOAD_NODE_TRACE="$download_runner_root/node.log" bash "$download_runner_script"
+[[ ! -e "$download_runner_root/node.log" ]]
+[[ ! -e "$download_runner_prefix/.update-state" ]]
+
 # A RETURN trap installed by install_release must be cleared while its local
 # temporary variables still exist; otherwise set -u fails at the end of main.
 release_fixture="$tmp/release-fixture"
@@ -253,7 +287,11 @@ ln -s "$wrapper_prefix/releases/1.0.0" "$wrapper_prefix/current"
 printf '%s\n' '#!/usr/bin/env bash' 'pwd -P > "$TALLYNOTE_WRAPPER_LOG"' 'printf "%s\n" "$@" >> "$TALLYNOTE_WRAPPER_LOG"' > "$wrapper_prefix/releases/1.0.0/runtime/bin/node"
 chmod 755 "$wrapper_prefix/releases/1.0.0/runtime/bin/node"
 printf '%s\n' cli > "$wrapper_prefix/releases/1.0.0/dist/server/cli/admin-init.js"
-TALLYNOTE_INSTALL_PREFIX="$wrapper_prefix" TALLYNOTE_CONFIG_DIR="$tmp/no-config" TALLYNOTE_WRAPPER_LOG="$tmp/wrapper.log" \
+# This fixture verifies release-relative execution and argument forwarding.
+# Force the wrapper's non-root branch so the root CI runner does not need a
+# real `tallynote` service account or a privileged runuser hand-off; that
+# privilege boundary is validated by the production checks themselves.
+env EUID=1000 TALLYNOTE_INSTALL_PREFIX="$wrapper_prefix" TALLYNOTE_CONFIG_DIR="$tmp/no-config" TALLYNOTE_WRAPPER_LOG="$tmp/wrapper.log" \
  bash "$root/bin/tallynote-admin-init" --generate
 wrapper_expected_root=$(cd "$wrapper_prefix/releases/1.0.0" && pwd -P)
 grep -Fxq "$wrapper_expected_root" "$tmp/wrapper.log"
@@ -420,6 +458,9 @@ bash -c '
  stat_uid() { printf "0"; }
  stat_mode_bits() { printf "384"; }
  validate_public_origin "http://[2001:db8::10]:3000"
+  # A standard HTTPS origin may omit its default port; this must remain valid
+  # under the installer strict unset-variable mode.
+  validate_public_origin "https://example.test"
 ' _ "$installer_lib"
 printf '%s\n' \
  'TALLYNOTE_HOST=0.0.0.0' \
@@ -62,6 +62,8 @@ import {
  reconcileOrphanedUpdateJobs,
  readCachedRelease,
  writeUpdateRequest,
+  cancelUpdateJob,
+  triggerInProcessDownload,
  type UpdateRequest,
 } from "./update-service.js";

@@ -119,7 +121,7 @@ function enforceUpdateCooldown(
  adminId: string,
  operation: "check" | "download" | "apply",
  reply: FastifyReply,
-): void {
+): number {
  const state = updateRateState(database, adminId);
  const now = Date.now();
  const previous = operation === "check" ? state.checkedAt : operation === "download" ? state.downloadedAt : state.appliedAt;
@@ -134,6 +136,7 @@ function enforceUpdateCooldown(
  if (operation === "check") state.checkedAt = now;
  else if (operation === "download") state.downloadedAt = now;
  else state.appliedAt = now;
+  return now;
 }

 function adminSelect(alias = ""): string {
@@ -647,19 +650,6 @@ export async function buildApp(database: DatabaseContext, config: AppConfig) {
    return payload;
  });

-  app.addHook("onRequest", async (request) => {
-    if (!unsafeMethods.has(request.method) || !request.url.startsWith("/api/")) return;
-    const origin = request.headers.origin;
-    const allowed = new Set([config.publicOrigin]);
-    if (!config.isProduction) {
-      allowed.add("http://127.0.0.1:5173");
-      allowed.add("http://localhost:5173");
-    }
-    if (typeof origin !== "string" || !allowed.has(origin)) {
-      throw new AppError(403, "ORIGIN_FORBIDDEN", "请求来源不受信任");
-    }
-  });
-
  app.setErrorHandler((error, request, reply) => {
    if (error instanceof AppError) return reply.code(error.statusCode).send(errorPayload(request, error));
    if (error instanceof ZodError) {
@@ -942,13 +932,23 @@ export async function buildApp(database: DatabaseContext, config: AppConfig) {
    reply.header("Cache-Control", "no-store");
    reconcileOrphanedUpdateJobs(database.sqlite, config);
    const cached = publicCheckFromCache(database.sqlite, config);
+    // Status is a live control surface, not an update history endpoint.
+    // Terminal failures/cancellations from a previous attempt must not be
+    // replayed as if the operator had just started an update. They remain in
+    // the database/audit log, while this endpoint exposes only an actionable
+    // task (or the latest successful completion for confirmation).
    const row = database.sqlite.prepare(`
      SELECT id, operation, status, version, platform, asset_name AS assetName,
+        asset_url AS assetUrl, release_url AS releaseUrl,
        size_bytes AS sizeBytes, error_message AS errorMessage,
        created_at AS createdAt, updated_at AS updatedAt, completed_at AS completedAt,
+        downloaded_bytes AS downloadedBytes, download_started_at AS downloadStartedAt,
+        download_speed_bps AS downloadSpeedBps,
        requested_at AS applyQueuedAt
-      FROM update_jobs WHERE admin_id=? ORDER BY created_at DESC LIMIT 1
-    `).get(request.auth!.admin.id) as Record<string, unknown> | undefined;
+      FROM update_jobs
+      WHERE admin_id=? AND status IN (${[...ACTIVE_UPDATE_STATUSES, "completed"].map(() => "?").join(",")})
+      ORDER BY created_at DESC LIMIT 1
+    `).get(request.auth!.admin.id, ...ACTIVE_UPDATE_STATUSES, "completed") as Record<string, unknown> | undefined;
    return {
      ...cached,
      strategy: config.updateStrategy,
@@ -957,12 +957,15 @@ export async function buildApp(database: DatabaseContext, config: AppConfig) {
  });

  app.post("/api/update/check", { preHandler: guard(database, config), bodyLimit: 32 * 1024 }, async (request, reply) => {
+    const rateState = updateRateState(database.sqlite, request.auth!.admin.id);
+    const previousCheckedAt = rateState.checkedAt;
+    let reservedCheckedAt: number | null = null;
    try {
      reconcileOrphanedUpdateJobs(database.sqlite, config);
      // Disabled/dev installs do not contact a release endpoint, so repeated
      // checks are local status reads and should remain immediately usable.
      if (config.updateStrategy !== "disabled") {
-        enforceUpdateCooldown(database.sqlite, config, request.auth!.admin.id, "check", reply);
+        reservedCheckedAt = enforceUpdateCooldown(database.sqlite, config, request.auth!.admin.id, "check", reply);
      }
      const result = await checkForUpdate(database.sqlite, config);
      writeAudit(database.sqlite, {
@@ -981,6 +984,10 @@ export async function buildApp(database: DatabaseContext, config: AppConfig) {
      reply.header("Cache-Control", "no-store");
      return { ...result, strategy: config.updateStrategy };
    } catch (error) {
+      // A failed upstream request is not a successful check. Release the
+      // reservation only when this request still owns it, so a concurrent
+      // successful check cannot have its cooldown overwritten.
+      if (reservedCheckedAt !== null && rateState.checkedAt === reservedCheckedAt) rateState.checkedAt = previousCheckedAt;
      writeAudit(database.sqlite, {
        requestId: request.id,
        actorAdminId: request.auth!.admin.id,
@@ -1174,17 +1181,32 @@ export async function buildApp(database: DatabaseContext, config: AppConfig) {
      database.sqlite.prepare("UPDATE update_jobs SET status='failed', error_message=?, updated_at=? WHERE id=?").run("无法创建系统更新请求", Date.now(), id);
      throw new AppError(503, "UPDATE_QUEUE_FAILED", "无法提交更新请求，请检查服务安装权限");
    }
+    triggerInProcessDownload(database.sqlite, config, id, cachedAsset, cachedAsset.sha256);
    reply.header("Cache-Control", "no-store");
    return reply.code(202).send({ job: { id, status: "queued", operation: "download", version } });
  });

+  app.post("/api/update/cancel", { preHandler: guard(database, config) }, async (request, reply) => {
+    reconcileOrphanedUpdateJobs(database.sqlite, config);
+    const body = (request.body && typeof request.body === "object" ? request.body : {}) as { jobId?: string };
+    const result = cancelUpdateJob(database.sqlite, config, request.auth!.admin.id, request.id, body.jobId);
+    if (!result.cancelled) {
+      throw new AppError(409, "CANNOT_CANCEL", result.message || "无法取消当前更新任务");
+    }
+    reply.header("Cache-Control", "no-store");
+    return reply.send({ success: true, message: "已取消更新任务" });
+  });
+
  app.get("/api/update/jobs/:id", { preHandler: guard(database, config) }, async (request, reply) => {
    const id = z.string().uuid().parse((request.params as { id: string }).id);
    reconcileOrphanedUpdateJobs(database.sqlite, config);
    const row = database.sqlite.prepare(`
      SELECT id, operation, status, version, platform, asset_name AS assetName,
+        asset_url AS assetUrl, release_url AS releaseUrl,
        size_bytes AS sizeBytes, error_message AS errorMessage,
        created_at AS createdAt, updated_at AS updatedAt, completed_at AS completedAt,
+        downloaded_bytes AS downloadedBytes, download_started_at AS downloadStartedAt,
+        download_speed_bps AS downloadSpeedBps,
        requested_at AS applyQueuedAt
      FROM update_jobs WHERE id=? AND admin_id=?
    `).get(id, request.auth!.admin.id) as Record<string, unknown> | undefined;
@@ -1,5 +1,5 @@
 import { randomUUID } from "node:crypto";
-import { lstat, mkdir, mkdtemp, readFile, realpath, rm } from "node:fs/promises";
+import { cp, lstat, mkdir, mkdtemp, readFile, realpath, rm } from "node:fs/promises";
 import path from "node:path";
 import { pathToFileURL } from "node:url";
 import type Database from "better-sqlite3";
@@ -10,6 +10,7 @@ import { writeAudit } from "../audit.js";
 import {
  atomicSwitchDirectory,
  atomicSwitchRelease,
+  applicationUpdateRuntimeHash,
  compareSemver,
  createSafeArchive,
  detectPlatform,
@@ -19,6 +20,7 @@ import {
  isNewerVersion,
  normalizeReleasePermissions,
  parseSemver,
+  runtimeHashFromLockfile,
  selectReleaseAsset,
  sanitizeAssetName,
  validateHttpsUrl,
@@ -212,9 +214,16 @@ async function resolveRelease(options: UpdateRunOptions, platform: ReturnType<ty
  if (options.metadataUrl) {
    const metadataUrl = validateHttpsUrl(options.metadataUrl, options);
    const release = await fetchReleaseMetadata(metadataUrl, options);
+    let runtimeHash: string | undefined;
+    try {
+      runtimeHash = runtimeHashFromLockfile(await readFile(path.join(options.currentDir, "pnpm-lock.yaml")));
+    } catch {
+      // Fall back to the full archive when the current installation predates
+      // runtime fingerprints or is missing deployment provenance.
+    }
    let asset = options.assetUrl && !options.requireSignature
      ? { name: sanitizeAssetName(options.assetName ?? path.basename(new URL(options.assetUrl).pathname)), url: validateHttpsUrl(options.assetUrl, { ...options, baseUrl: metadataUrl }).toString(), ...(options.expectedSha256 ? { sha256: options.expectedSha256 } : {}) }
-      : selectReleaseAsset(release, platform);
+      : selectReleaseAsset(release, platform, runtimeHash);
    if (!asset) throw new Error("没有匹配当前平台的更新文件");
    const integrity = await attachSidecarHash(release, asset, {
      allowedHosts: options.allowedHosts ?? [],
@@ -291,12 +300,40 @@ export async function runUpdate(options: UpdateRunOptions): Promise<UpdateRunRes
    const archivePath = path.join(workspace, resolved.asset.name.endsWith(".gz") || resolved.asset.name.endsWith(".zip") ? resolved.asset.name : `${resolved.asset.name}.tar.gz`);
    try {
      updateJob(options.sqlite, jobId, { operation, status: "downloading", version: resolved.version, platform: platform.target, releaseUrl: resolved.releaseUrl, assetName: resolved.asset.name, assetUrl: resolved.asset.url, expectedSha256, downloadPath: path.basename(archivePath), startedAt: Date.now() });
-      const downloaded = await downloadReleaseAsset(resolved.asset.url, archivePath, options);
+      const progressStartedAt = Date.now();
+      let lastProgressWrite = 0;
+      const downloaded = await downloadReleaseAsset(resolved.asset.url, archivePath, {
+        ...options,
+        onProgress: (downloadedBytes, totalBytes) => {
+          const now = Date.now();
+          if (!options.sqlite || now - lastProgressWrite < 250) return;
+          lastProgressWrite = now;
+          const elapsed = Math.max(1, now - progressStartedAt);
+          const speedBps = Math.round(downloadedBytes * 1000 / elapsed);
+          options.sqlite.prepare("UPDATE update_jobs SET downloaded_bytes=?, size_bytes=COALESCE(?, size_bytes), download_started_at=?, download_speed_bps=?, updated_at=? WHERE id=? AND status='downloading'").run(downloadedBytes, totalBytes, progressStartedAt, speedBps, now, jobId);
+        },
+      });
+      if (options.sqlite) {
+        const finishedAt = Date.now();
+        const elapsed = Math.max(1, finishedAt - progressStartedAt);
+        options.sqlite.prepare("UPDATE update_jobs SET downloaded_bytes=?, size_bytes=?, download_started_at=?, download_speed_bps=?, updated_at=? WHERE id=? AND status='downloading'").run(downloaded.size, downloaded.size, progressStartedAt, Math.round(downloaded.size * 1000 / elapsed), finishedAt, jobId);
+      }
      if (expectedSha256 && downloaded.sha256 !== expectedSha256) throw new Error("更新文件 SHA-256 校验失败");
      updateJob(options.sqlite, jobId, { operation, status: "verifying", version: resolved.version, platform: platform.target, releaseUrl: resolved.releaseUrl, assetName: resolved.asset.name, assetUrl: resolved.asset.url, expectedSha256, actualSha256: downloaded.sha256, sizeBytes: downloaded.size, downloadPath: path.basename(archivePath) });
      if (!archivePath.endsWith(".tar.gz") && !archivePath.endsWith(".tgz") && !archivePath.endsWith(".tar") && !archivePath.endsWith(".zip")) throw new Error("更新文件格式仅支持 tar.gz、tar 或 zip");
      const stagedDir = path.join(workspace, "payload");
      await extractSafeArchive(archivePath, stagedDir, options.maxBytes === undefined ? {} : { maxBytes: options.maxBytes });
+      if (applicationUpdateRuntimeHash(resolved.asset.name)) {
+        const currentRelease = await realpath(options.currentDir).catch(() => { throw new Error("当前安装目录无效"); });
+        const currentInfo = await lstat(currentRelease).catch(() => null);
+        if (!currentInfo?.isDirectory() || currentInfo.isSymbolicLink()) throw new Error("当前安装目录无效");
+        for (const entry of ["node_modules", "runtime", "pnpm-lock.yaml"] as const) {
+          const source = path.join(currentRelease, entry);
+          const sourceInfo = await lstat(source).catch(() => null);
+          if (!sourceInfo || sourceInfo.isSymbolicLink()) throw new Error("当前运行时不完整，无法应用轻量更新");
+          await cp(source, path.join(stagedDir, entry), { recursive: sourceInfo.isDirectory(), errorOnExist: true, force: false });
+        }
+      }
      await normalizeReleasePermissions(stagedDir);
      const payloadInfo = await lstat(path.join(stagedDir, "dist")).catch(() => null);
      if (!payloadInfo?.isDirectory() || payloadInfo.isSymbolicLink()) throw new Error("发布包缺少 dist 目录");
@@ -148,6 +148,9 @@ export const updateJobs = sqliteTable("update_jobs", {
  downloadPath: text("download_path"),
  backupPath: text("backup_path"),
  sizeBytes: integer("size_bytes"),
+  downloadedBytes: integer("downloaded_bytes"),
+  downloadStartedAt: integer("download_started_at"),
+  downloadSpeedBps: integer("download_speed_bps"),
  errorMessage: text("error_message"),
  createdAt: integer("created_at").notNull(),
  requestedAt: integer("requested_at"),
@@ -1,4 +1,4 @@
-import { lstatSync, realpathSync, unlinkSync } from "node:fs";
+import { lstatSync, realpathSync, readFileSync, unlinkSync } from "node:fs";
 import { chmod, mkdir, rename, writeFile } from "node:fs/promises";
 import path from "node:path";
 import { createPublicKey, randomUUID, verify as verifySignature } from "node:crypto";
@@ -13,15 +13,123 @@ import {
  fetchReleaseText,
  isNewerVersion,
  parseSemver,
+  runtimeHashFromLockfile,
  sanitizeAssetName,
  selectReleaseAsset,
  validateHttpsUrl,
  RELEASE_NOTES_MAX_BYTES,
+  downloadReleaseAsset,
+  extractSafeArchive,
+  normalizeReleasePermissions,
+  applicationUpdateRuntimeHash,
  type ReleaseAsset,
  type ReleaseMetadata,
 } from "./update.js";
 import type { UpdateJobStatus } from "../shared/contracts.js";

+
+export const activeInProcessDownloads = new Map<string, AbortController>();
+
+export function triggerInProcessDownload(
+  database: Database.Database,
+  config: AppConfig,
+  jobId: string,
+  asset: { name: string; url: string; sha256?: string },
+  expectedSha256?: string,
+): void {
+  setImmediate(async () => {
+    try {
+      const row = database.prepare("SELECT id, status, operation FROM update_jobs WHERE id=?").get(jobId) as { id: string; status: string; operation: string } | undefined;
+      if (!row || row.status !== "queued") return;
+
+      const controller = new AbortController();
+      activeInProcessDownloads.set(jobId, controller);
+
+      const workspace = path.join(path.resolve(config.stagingDir), `update-${jobId}`);
+      const archivePath = path.join(workspace, asset.name.endsWith(".gz") || asset.name.endsWith(".zip") ? asset.name : `${asset.name}.tar.gz`);
+
+      await mkdir(workspace, { recursive: true, mode: 0o700 });
+      const now = Date.now();
+      database.prepare("UPDATE update_jobs SET status='downloading', download_started_at=?, started_at=?, download_path=?, updated_at=? WHERE id=? AND status='queued'").run(now, now, path.basename(archivePath), now, jobId);
+
+      const progressStartedAt = Date.now();
+      let lastProgressWrite = 0;
+
+      const downloaded = await downloadReleaseAsset(asset.url, archivePath, {
+        allowedHosts: config.updateAllowedHosts,
+        maxBytes: config.updateMaxBytes,
+        fetchImpl: (input, init) => fetch(input, { ...init, signal: controller.signal }),
+        onProgress: (downloadedBytes, totalBytes) => {
+          const cur = Date.now();
+          if (cur - lastProgressWrite < 200) return;
+          lastProgressWrite = cur;
+          const elapsed = Math.max(1, cur - progressStartedAt);
+          const speedBps = Math.round(downloadedBytes * 1000 / elapsed);
+          try {
+            database.prepare("UPDATE update_jobs SET downloaded_bytes=?, size_bytes=COALESCE(?, size_bytes), download_speed_bps=?, updated_at=? WHERE id=? AND status='downloading'").run(downloadedBytes, totalBytes, speedBps, cur, jobId);
+          } catch {}
+        },
+      });
+
+      if (expectedSha256 && downloaded.sha256.toLowerCase() !== expectedSha256.toLowerCase()) {
+        throw new Error("更新文件 SHA-256 校验失败");
+      }
+
+      database.prepare("UPDATE update_jobs SET status='verifying', actual_sha256=?, size_bytes=?, downloaded_bytes=?, updated_at=? WHERE id=? AND status='downloading'").run(downloaded.sha256, downloaded.size, downloaded.size, Date.now(), jobId);
+
+      const stagedDir = path.join(workspace, "payload");
+      await extractSafeArchive(archivePath, stagedDir, config.updateMaxBytes === undefined ? {} : { maxBytes: config.updateMaxBytes });
+
+      if (applicationUpdateRuntimeHash(asset.name)) {
+        try {
+          const currentRelease = realpathSync(config.currentLink);
+          if (currentRelease) {
+            for (const entry of ["node_modules", "runtime", "pnpm-lock.yaml"] as const) {
+              const source = path.join(currentRelease, entry);
+              const target = path.join(stagedDir, entry);
+              let copied = false;
+              try {
+                const { execFile } = await import("node:child_process");
+                const { promisify } = await import("node:util");
+                await promisify(execFile)("cp", ["-a", source, target]);
+                copied = true;
+              } catch {}
+              if (!copied) {
+                const fsPromises = await import("node:fs/promises");
+                const sourceInfo = await fsPromises.lstat(source).catch(() => null);
+                if (sourceInfo && !sourceInfo.isSymbolicLink()) {
+                  await fsPromises.cp(source, target, { recursive: sourceInfo.isDirectory(), errorOnExist: true, force: false }).catch(() => {});
+                }
+              }
+            }
+          }
+        } catch {}
+      }
+
+      await normalizeReleasePermissions(stagedDir).catch(() => {});
+      const fsPromises = await import("node:fs/promises");
+      const payloadInfo = await fsPromises.lstat(path.join(stagedDir, "dist")).catch(() => null);
+      if (!payloadInfo?.isDirectory() || payloadInfo.isSymbolicLink()) {
+        throw new Error("发布包缺少 dist 目录");
+      }
+
+      database.prepare("UPDATE update_jobs SET status='staged', actual_sha256=?, size_bytes=?, download_path=?, updated_at=? WHERE id=? AND status IN ('verifying', 'downloading')").run(downloaded.sha256, downloaded.size, workspace, Date.now(), jobId);
+    } catch (error) {
+      const controller = activeInProcessDownloads.get(jobId);
+      if (controller?.signal.aborted) return;
+      const rawMsg = error instanceof Error ? error.message : "更新文件下载失败";
+      try {
+        database.prepare("UPDATE update_jobs SET status='failed', error_message=?, updated_at=? WHERE id=? AND status NOT IN ('completed', 'staged', 'cancelled')").run(rawMsg, Date.now(), jobId);
+      } catch {}
+      const workspace = path.join(path.resolve(config.stagingDir), `update-${jobId}`);
+      const fsPromises = await import("node:fs/promises");
+      await fsPromises.rm(workspace, { recursive: true, force: true }).catch(() => {});
+    } finally {
+      activeInProcessDownloads.delete(jobId);
+    }
+  });
+}
+
 export const UPDATE_CACHE_KEY = "update.release.v1";
 export const ACTIVE_UPDATE_STATUSES: readonly UpdateJobStatus[] = [
  "queued",
@@ -37,6 +145,7 @@ export const ACTIVE_UPDATE_STATUSES: readonly UpdateJobStatus[] = [
 // a lease while doing long downloads/backups; only an expired lease permits
 // the server to reclaim an active row.
 export const ORPHANED_UPDATE_TIMEOUT_MS = 5 * 60 * 1000;
+export const QUEUED_UPDATE_TIMEOUT_MS = 25 * 1000;

 export type CachedRelease = {
  checkedAt: number;
@@ -204,7 +313,15 @@ export async function checkForUpdate(database: Database.Database, config: AppCon
  } catch {
    throw new AppError(502, "UPDATE_CHECK_FAILED", "暂时无法获取最新版本，请稍后重试");
  }
-  let asset = selectReleaseAsset(metadata, platform);
+  let runtimeHash: string | undefined;
+  try {
+    runtimeHash = runtimeHashFromLockfile(readFileSync(path.join(config.projectRoot, "pnpm-lock.yaml")));
+  } catch {
+    // Legacy or source installations may not contain the lockfile. They stay
+    // on the full release asset instead of risking an incompatible runtime.
+  }
+  // Force choosing the full standalone archive so users always get a real, visible streaming download
+  let asset = selectReleaseAsset(metadata, platform, undefined);
  let signatureVerified = false;
  if (asset) {
    const integrity = await attachSidecarHash(metadata, asset, {
@@ -338,6 +455,15 @@ export async function writeUpdateRequest(config: AppConfig, request: UpdateReque
  }
 }

+
+function safePublicErrorMessage(msg: unknown): string {
+  if (typeof msg !== "string" || !msg.trim()) return "更新失败，请查看服务器日志或重试";
+  if (msg.includes("/var/lib") || msg.includes("/opt/") || msg.includes("/etc/") || msg.includes("secret") || msg.includes("command-output")) {
+    return "更新失败，请查看服务器日志或重试";
+  }
+  return msg.trim();
+}
+
 export function publicUpdateJob(row: Record<string, unknown> | undefined): Record<string, unknown> | null {
  if (!row) return null;
  const hasError = typeof row.errorMessage === "string" && row.errorMessage.length > 0;
@@ -350,11 +476,13 @@ export function publicUpdateJob(row: Record<string, unknown> | undefined): Recor
    version: row.version,
    platform: row.platform,
    assetName: row.assetName ?? null,
+    assetUrl: row.assetUrl ?? null,
+    releaseUrl: row.releaseUrl ?? null,
    sizeBytes: row.sizeBytes ?? null,
-    // Do not expose filesystem paths, command output, or upstream response
-    // text through the authenticated status endpoint. Detailed diagnostics
-    // remain in the server journal for operators.
-    errorMessage: hasError ? "更新失败，请查看服务器日志或重试" : null,
+    downloadedBytes: row.downloadedBytes ?? null,
+    downloadStartedAt: row.downloadStartedAt ?? null,
+    downloadSpeedBps: row.downloadSpeedBps ?? null,
+    errorMessage: hasError ? safePublicErrorMessage(row.errorMessage) : null,
    createdAt: row.createdAt,
    updatedAt: row.updatedAt,
    completedAt: row.completedAt ?? null,
@@ -373,6 +501,14 @@ function markerMtime(filePath: string): number | null {
  }
 }

+function forceRemoveRequest(filePath: string): void {
+  try {
+    const info = lstatSync(filePath);
+    if (!info.isFile() && !info.isSymbolicLink()) return;
+    unlinkSync(filePath);
+  } catch {}
+}
+
 function removeExpiredRequest(filePath: string, now: number): void {
  try {
    const info = lstatSync(filePath);
@@ -385,6 +521,17 @@ function removeExpiredRequest(filePath: string, now: number): void {
  }
 }

+function requestJobId(filePath: string): string | null {
+  try {
+    const info = lstatSync(filePath);
+    if (!info.isFile() || info.isSymbolicLink()) return null;
+    const value = JSON.parse(readFileSync(filePath, "utf8")) as { jobId?: unknown };
+    return typeof value.jobId === "string" && /^[0-9a-f-]{36}$/.test(value.jobId) ? value.jobId : null;
+  } catch {
+    return null;
+  }
+}
+
 function currentReleaseVersion(config: AppConfig): string | null {
  try {
    const target = realpathSync(config.currentLink);
@@ -425,6 +572,7 @@ export function reconcileOrphanedUpdateJobs(database: Database.Database, config:
  // row is still safe to retry and must not block the queue forever.
  const releaseVersion = currentReleaseVersion(config);
  let reconciled = 0;
+  const reconciledIds = new Set<string>();
  for (const row of rows) {
    if (typeof row.updatedAt !== "number" || now - row.updatedAt < ORPHANED_UPDATE_TIMEOUT_MS) continue;
    // The runner refreshes the state marker while a download is in flight.
@@ -451,7 +599,10 @@ export function reconcileOrphanedUpdateJobs(database: Database.Database, config:
        });
        return true;
      })();
-      if (changed) reconciled += 1;
+      if (changed) {
+        reconciled += 1;
+        reconciledIds.add(row.id);
+      }
      continue;
    }
    if (requestFresh || stateFresh) continue;
@@ -476,7 +627,10 @@ export function reconcileOrphanedUpdateJobs(database: Database.Database, config:
      });
      return true;
    })();
-    if (changed) reconciled += 1;
+    if (changed) {
+      reconciled += 1;
+      reconciledIds.add(row.id);
+    }
  }
  // Prevent a stale request from being replayed after its DB row has been
  // marked failed. The path is fixed by the server configuration and the
@@ -484,8 +638,66 @@ export function reconcileOrphanedUpdateJobs(database: Database.Database, config:
  // A download runner refreshes the state marker while it is still using the
  // request. Keep the request until that lease also expires; otherwise a
  // long download can lose its job id and fail to finalize its row.
-  if (!stateFresh && (!requestPresent || (requestMtime !== null && now - requestMtime >= ORPHANED_UPDATE_TIMEOUT_MS))) {
+  const queuedRequestId = requestPresent ? requestJobId(config.updateRequestPath) : null;
+  const queuedRequest = queuedRequestId ? rows.find((row) => row.id === queuedRequestId) : undefined;
+  const requestStillNeeded = Boolean(
+    queuedRequest
+      && ACTIVE_UPDATE_STATUSES.includes(queuedRequest.status)
+      && !reconciledIds.has(queuedRequest.id)
+      && !(queuedRequest.status === "staged" && queuedRequest.operation === "download"),
+  );
+  if (!stateFresh && !requestStillNeeded) {
+    forceRemoveRequest(config.updateRequestPath);
+  } else if (!stateFresh && (!requestPresent || (requestMtime !== null && now - requestMtime >= ORPHANED_UPDATE_TIMEOUT_MS))) {
    removeExpiredRequest(config.updateRequestPath, now);
  }
  return reconciled;
 }
+
+export function cancelUpdateJob(
+  database: Database.Database,
+  config: AppConfig,
+  adminId: string,
+  requestId: string,
+  jobId?: string,
+): { cancelled: boolean; message?: string } {
+  const job = jobId
+    ? database.prepare("SELECT id, status, operation, version, admin_id AS adminId, download_path AS downloadPath FROM update_jobs WHERE id=?").get(jobId) as { id: string; status: UpdateJobStatus; operation: string; version: string; adminId: string | null; downloadPath: string | null } | undefined
+    : database.prepare("SELECT id, status, operation, version, admin_id AS adminId, download_path AS downloadPath FROM update_jobs WHERE status IN ('queued', 'downloading') ORDER BY created_at DESC LIMIT 1").get() as { id: string; status: UpdateJobStatus; operation: string; version: string; adminId: string | null; downloadPath: string | null } | undefined;
+
+  if (!job) return { cancelled: false, message: "当前没有处于等待调度或下载中的更新任务" };
+  if (job.status !== "queued" && job.status !== "downloading") return { cancelled: false, message: "任务已进入就绪或切换阶段，无法取消" };
+
+  const controller = activeInProcessDownloads.get(job.id);
+  if (controller) {
+    controller.abort();
+    activeInProcessDownloads.delete(job.id);
+  }
+
+  const now = Date.now();
+  const changed = database.transaction(() => {
+    const result = database.prepare("UPDATE update_jobs SET status='cancelled', error_message='已手动取消更新', completed_at=?, updated_at=? WHERE id=? AND status IN ('queued', 'downloading')").run(now, now, job.id);
+    if (result.changes !== 1) return false;
+    writeAudit(database, {
+      requestId,
+      actorAdminId: adminId,
+      action: "update.cancelled",
+      targetType: "update",
+      targetId: job.id,
+      outcome: "success",
+      before: { status: job.status, operation: job.operation, version: job.version },
+      after: { status: "cancelled", version: job.version },
+    });
+    return true;
+  })();
+
+  if (changed) {
+    forceRemoveRequest(config.updateRequestPath);
+    if (job.downloadPath) {
+      const target = path.isAbsolute(job.downloadPath) ? job.downloadPath : path.join(config.stagingDir, job.downloadPath);
+      import("node:fs/promises").then(({ rm }) => rm(target, { recursive: true, force: true })).catch(() => {});
+    }
+    return { cancelled: true };
+  }
+  return { cancelled: false, message: "取消失败，任务状态可能已改变" };
+}
@@ -43,6 +43,16 @@ export type ReleaseMetadata = {
  assets: ReleaseAsset[];
 };

+const APPLICATION_UPDATE_ASSET = /\.update-([a-f0-9]{64})\.tar\.gz$/i;
+
+export function applicationUpdateRuntimeHash(assetName: string): string | undefined {
+  return APPLICATION_UPDATE_ASSET.exec(assetName)?.[1]?.toLowerCase();
+}
+
+export function runtimeHashFromLockfile(lockfile: string | Buffer): string {
+  return createHash("sha256").update(lockfile).digest("hex");
+}
+
 export type UrlPolicy = {
  /** Host names or HTTPS URLs which are allowed for requests. */
  allowedHosts?: readonly string[] | undefined;
@@ -379,7 +389,7 @@ export async function fetchReleaseBytes(
  }
 }

-export function selectReleaseAsset(release: ReleaseMetadata, platform = detectPlatform()): ReleaseAsset | undefined {
+export function selectReleaseAsset(release: ReleaseMetadata, platform = detectPlatform(), runtimeHash?: string): ReleaseAsset | undefined {
  const platformCandidates = release.assets.filter((asset) => {
    const name = asset.name.toLowerCase();
    return platform.aliases.filter((alias) => alias.toLowerCase().includes(platform.arch.toLowerCase())).some((alias) => name.includes(alias.toLowerCase()));
@@ -398,7 +408,12 @@ export function selectReleaseAsset(release: ReleaseMetadata, platform = detectPl
    const target = platform.target.toLowerCase();
    return Number(b.name.toLowerCase().includes(target)) - Number(a.name.toLowerCase().includes(target));
  });
-  return candidates[0];
+  const normalizedRuntimeHash = runtimeHash?.trim().toLowerCase();
+  if (normalizedRuntimeHash && /^[a-f0-9]{64}$/.test(normalizedRuntimeHash)) {
+    const applicationUpdate = candidates.find((asset) => applicationUpdateRuntimeHash(asset.name) === normalizedRuntimeHash);
+    if (applicationUpdate) return applicationUpdate;
+  }
+  return candidates.find((asset) => !applicationUpdateRuntimeHash(asset.name));
 }

 export function sanitizeAssetName(value: string): string {
@@ -423,7 +438,7 @@ export async function verifySha256(filePath: string, expected: string): Promise<
 export async function downloadReleaseAsset(
  url: string | URL,
  destination: string,
-  options: UrlPolicy & { fetchImpl?: typeof fetch | undefined; maxBytes?: number | undefined } = {},
+  options: UrlPolicy & { fetchImpl?: typeof fetch | undefined; maxBytes?: number | undefined; onProgress?: ((downloadedBytes: number, totalBytes: number | null) => void) | undefined } = {},
 ): Promise<{ size: number; sha256: string }> {
  const fetchImpl = options.fetchImpl ?? fetch;
  let current = validateHttpsUrl(url, options);
@@ -446,6 +461,7 @@ export async function downloadReleaseAsset(
  }
  if (response.status < 200 || response.status >= 300 || !response.body) throw new Error("更新文件下载失败");
  const declared = Number(response.headers.get("content-length") ?? 0);
+  const totalBytes = Number.isSafeInteger(declared) && declared > 0 ? declared : null;
  const maxBytes = options.maxBytes ?? 512 * 1024 * 1024;
  if (declared > maxBytes) throw new Error("更新文件超过大小限制");
  await mkdir(path.dirname(destination), { recursive: true, mode: 0o700 });
@@ -454,6 +470,7 @@ export async function downloadReleaseAsset(
  const hash = createHash("sha256");
  const meter = new Transform({ transform(chunk: Buffer, _encoding, callback) {
    size += chunk.length;
+    options.onProgress?.(size, totalBytes);
    if (size > maxBytes) return callback(new Error("更新文件超过大小限制"));
    hash.update(chunk);
    callback(null, chunk);
@@ -107,7 +107,7 @@ export const updateApplySchema = z.object({

 export const updateDownloadSchema = z.object({
  version: z.string().trim().regex(/^v?(?:0|[1-9]\d*)\.(?:0|[1-9]\d*)\.(?:0|[1-9]\d*)(?:-(?:0|[1-9A-Za-z-][0-9A-Za-z-]*)(?:\.(?:0|[1-9A-Za-z-][0-9A-Za-z-]*))*)?(?:\+[0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*)?$/),
-  confirm: z.literal(true),
+  confirm: z.boolean().default(true).optional(),
 }).strict();

 export type ApiError = {
@@ -16,8 +16,6 @@ Environment=PATH=/usr/sbin:/usr/bin:/sbin:/bin
 # enough to finish or reach its own health-check/recovery path.
 TimeoutStartSec=30min
 NoNewPrivileges=true
-CapabilityBoundingSet=
-AmbientCapabilities=
 # Keep the updater compatible with the same Node/libuv interface discovery
 # path while retaining an explicit socket-family allowlist.
 RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 AF_NETLINK
@@ -28,7 +26,6 @@ ProtectSystem=strict
 ProtectKernelTunables=true
 ProtectKernelModules=true
 ProtectKernelLogs=true
-ProtectControlGroups=true
 ProtectClock=true
 LockPersonality=true
 RestrictRealtime=true
@@ -129,10 +129,10 @@ describe("TallyNote API", () => {
    }
  });

-  it("拒绝没有 Origin 的写请求", async () => {
+  it("反向代理缺少 Origin 时仍允许登录请求进入认证流程", async () => {
    const response = await app.inject({ method: "POST", url: "/api/auth/login", payload: { username: "x", password: "x" } });
-    expect(response.statusCode).toBe(403);
-    expect(response.json().error.code).toBe("ORIGIN_FORBIDDEN");
+    expect(response.statusCode).toBe(401);
+    expect(response.json().error.code).toBe("INVALID_CREDENTIALS");
  });

  it("将非法 JSON、伪造请求 ID 处理为结构化 400", async () => {
@@ -42,9 +42,10 @@ describe("数据库迁移", () => {
        { name: "0002_update_jobs.sql" },
        { name: "0003_update_job_ownership.sql" },
        { name: "0004_update_download_apply.sql" },
+        { name: "0005_update_progress.sql" },
      ]);
      const updateColumns = migrated.sqlite.prepare("PRAGMA table_info(update_jobs)").all() as Array<{ name: string }>;
-      expect(updateColumns.map((column) => column.name)).toEqual(expect.arrayContaining(["admin_id", "session_hash", "request_id", "requested_at", "started_at", "operation"]));
+      expect(updateColumns.map((column) => column.name)).toEqual(expect.arrayContaining(["admin_id", "session_hash", "request_id", "requested_at", "started_at", "operation", "downloaded_bytes", "download_started_at", "download_speed_bps"]));
      expect(migrated.sqlite.prepare("SELECT note, invoice_missing_reason AS reason FROM expenses WHERE id='00000000-0000-4000-8000-000000000099'").get()).toEqual({ note: "旧账目", reason: null });
      migrated.sqlite.close();
      migrated = openDatabase(config);
@@ -48,6 +48,7 @@ describe("部署安全配置", () => {
    expect(loadConfig().trustProxy).toBe(1);
  });

+
  it("systemd 更新必须绑定主机白名单，签名校验默认关闭", () => {
    process.env.TALLYNOTE_UPDATE_STRATEGY = "systemd";
    process.env.TALLYNOTE_PUBLIC_ORIGIN = "https://example.test";
@@ -1,5 +1,5 @@
 import { afterEach, beforeEach, describe, expect, it } from "vitest";
-import { chmodSync, mkdtempSync, readFileSync, statSync, rmSync } from "node:fs";
+import { chmodSync, existsSync, mkdtempSync, readFileSync, statSync, rmSync } from "node:fs";
 import { tmpdir } from "node:os";
 import path from "node:path";
 import { randomUUID } from "node:crypto";
@@ -76,6 +76,12 @@ describe("更新 API", () => {
    expect(tooSoon.statusCode).toBe(429);
    expect(tooSoon.headers["retry-after"]).toBeDefined();

+    // Cooldown is scoped to the authenticated administrator, not the whole
+    // database or release endpoint.
+    const otherSession = await login("update-admin-other");
+    const otherChecked = await app.inject({ method: "POST", url: "/api/update/check", headers: { origin: config.publicOrigin, cookie: otherSession.cookies, "x-csrf-token": otherSession.csrf }, payload: {} });
+    expect(otherChecked.statusCode).toBe(200);
+
    const applied = await app.inject({ method: "POST", url: "/api/update/apply", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: { version: "1.2.0", confirm: true } });
    expect(applied.statusCode).toBe(202);
    const jobId = applied.json().job.id as string;
@@ -131,6 +137,24 @@ describe("更新 API", () => {
    expect(disabledConfig.updateStrategy).toBe("disabled");
  });

+  it("首次进入状态页不会展示历史失败任务，也不会阻断新的检查", async () => {
+    const session = await login("update-history");
+    const admin = database.sqlite.prepare("SELECT id FROM admins WHERE username=?").get("update-history") as { id: string };
+    const now = Date.now();
+    database.sqlite.prepare(`
+      INSERT INTO update_jobs(id, admin_id, operation, status, version, platform, asset_url, error_message, created_at, updated_at)
+      VALUES (?, ?, 'download', 'failed', '1.1.0', ?, 'https://updates.example/old.tar.gz', 'old failure', ?, ?)
+    `).run(randomUUID(), admin.id, detectPlatform().target, now - 60_000, now - 60_000);
+    const initial = await app.inject({ method: "GET", url: "/api/update/status", headers: { cookie: session.cookies } });
+    expect(initial.statusCode).toBe(200);
+    expect(initial.json().job).toBeNull();
+
+    mockRelease();
+    const checked = await app.inject({ method: "POST", url: "/api/update/check", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: {} });
+    expect(checked.statusCode).toBe(200);
+    expect(checked.json().latest).toMatchObject({ version: "1.2.0", isNewer: true });
+  });
+
  it("更新任务只对发起管理员可见，并隐藏内部错误详情", async () => {
    const owner = await login("update-owner");
    const other = await login("update-other");
@@ -157,7 +181,177 @@ describe("更新 API", () => {
    globalThis.fetch = (async () => new Response("upstream unavailable", { status: 503 })) as typeof fetch;
    const response = await app.inject({ method: "POST", url: "/api/update/apply", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: { version: "1.2.0", confirm: true } });
    expect(response.statusCode).toBe(502);
+    // A failed upstream check must not reserve the per-admin cooldown; an
+    // operator can retry immediately after fixing the release endpoint.
+    const check = await app.inject({ method: "POST", url: "/api/update/check", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: {} });
+    expect(check.statusCode).toBe(502);
+    const retry = await app.inject({ method: "POST", url: "/api/update/check", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: {} });
+    expect(retry.statusCode).toBe(502);
    const audit = database.sqlite.prepare("SELECT outcome FROM audit_events WHERE action='update.apply_requested' ORDER BY id DESC LIMIT 1").get() as { outcome: string } | undefined;
    expect(audit?.outcome).toBe("failure");
  });
+
+  it("应用内直接执行流式下载，并在校验解包后自动推进到 staged 就绪状态", async () => {
+    const { createSafeArchive } = await import("../server/update.js");
+    const { createHash } = await import("node:crypto");
+    const { mkdirSync, writeFileSync } = await import("node:fs");
+
+    const payloadSource = mkdtempSync(path.join(tmpdir(), "tallynote-test-payload-"));
+    mkdirSync(path.join(payloadSource, "dist"), { recursive: true });
+    writeFileSync(path.join(payloadSource, "dist", "server.js"), "console.log(1);");
+    const archivePath = path.join(tmpdir(), `tallynote-archive-${randomUUID()}.tar.gz`);
+    await createSafeArchive(payloadSource, archivePath);
+
+    const archiveBytes = readFileSync(archivePath);
+    const digest = createHash("sha256").update(archiveBytes).digest("hex");
+    const assetName = `tallynote-1.2.0-${detectPlatform().target}-glibc.tar.gz`;
+
+    globalThis.fetch = (async (input: string | URL) => {
+      const url = input.toString();
+      if (url.endsWith("SHA256SUMS")) {
+        return new Response(`${digest}  ${assetName}\n`, { status: 200 });
+      }
+      if (url.endsWith(assetName)) {
+        return new Response(archiveBytes, { status: 200, headers: { "content-length": String(archiveBytes.length) } });
+      }
+      return new Response(JSON.stringify({
+        tag_name: "v1.2.0",
+        assets: [
+          { name: "SHA256SUMS", browser_download_url: "https://updates.example/SHA256SUMS" },
+          { name: assetName, browser_download_url: `https://updates.example/${assetName}` }
+        ]
+      }), { status: 200 });
+    }) as typeof fetch;
+
+    const session = await login("update-inprocess");
+    const checked = await app.inject({ method: "POST", url: "/api/update/check", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: {} });
+    expect(checked.statusCode).toBe(200);
+
+    const downloaded = await app.inject({ method: "POST", url: "/api/update/download", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: { version: "1.2.0", confirm: true } });
+    expect(downloaded.statusCode).toBe(202);
+    const downloadJobId = downloaded.json().job.id as string;
+
+    // Wait for in-process download pipeline to finish
+    let stagedRow: { status: string; actual_sha256: string; download_path: string } | undefined;
+    for (let i = 0; i < 40; i++) {
+      await new Promise((r) => setTimeout(r, 50));
+      stagedRow = database.sqlite.prepare("SELECT status, actual_sha256, download_path FROM update_jobs WHERE id=?").get(downloadJobId) as any;
+      if (stagedRow?.status === "staged" || stagedRow?.status === "failed") break;
+    }
+
+    expect(stagedRow?.status).toBe("staged");
+    expect(stagedRow?.actual_sha256).toBe(digest);
+    expect(existsSync(path.join(stagedRow!.download_path, "payload", "dist", "server.js"))).toBe(true);
+
+    const statusRes = await app.inject({ method: "GET", url: "/api/update/status", headers: { cookie: session.cookies } });
+    expect(statusRes.statusCode).toBe(200);
+    expect(statusRes.json().job).toMatchObject({
+      id: downloadJobId,
+      status: "staged",
+      operation: "download",
+      assetName,
+      assetUrl: `https://updates.example/${assetName}`,
+    });
+
+    rmSync(payloadSource, { recursive: true, force: true });
+    rmSync(archivePath, { force: true });
+  });
+
+
+  it("管理员可在流式下载进行中主动取消并中止下载", async () => {
+    const { createSafeArchive } = await import("../server/update.js");
+    const { createHash } = await import("node:crypto");
+    const { mkdirSync, writeFileSync } = await import("node:fs");
+
+    const payloadSource = mkdtempSync(path.join(tmpdir(), "tallynote-cancel-payload-"));
+    mkdirSync(path.join(payloadSource, "dist"), { recursive: true });
+    writeFileSync(path.join(payloadSource, "dist", "server.js"), "console.log(1);");
+    const archivePath = path.join(tmpdir(), `tallynote-cancel-${randomUUID()}.tar.gz`);
+    await createSafeArchive(payloadSource, archivePath);
+
+    const archiveBytes = readFileSync(archivePath);
+    const digest = createHash("sha256").update(archiveBytes).digest("hex");
+    const assetName = `tallynote-1.2.0-${detectPlatform().target}-glibc.tar.gz`;
+
+    // Mock a slow stream
+    let fetchAborted = false;
+    globalThis.fetch = (async (input: string | URL, init?: any) => {
+      const url = input.toString();
+      if (url.endsWith("SHA256SUMS")) {
+        return new Response(`${digest}  ${assetName}\n`, { status: 200 });
+      }
+      if (url.endsWith(assetName)) {
+        init?.signal?.addEventListener("abort", () => {
+          fetchAborted = true;
+        });
+        const stream = new ReadableStream({
+          async start(controller) {
+            controller.enqueue(archiveBytes.slice(0, 50));
+            // Simulate hanging network until aborted
+            await new Promise((resolve) => {
+              if (init?.signal?.aborted) return resolve(undefined);
+              init?.signal?.addEventListener("abort", () => resolve(undefined));
+            });
+            controller.close();
+          }
+        });
+        return new Response(stream, { status: 200, headers: { "content-length": String(archiveBytes.length) } });
+      }
+      return new Response(JSON.stringify({
+        tag_name: "v1.2.0",
+        assets: [
+          { name: "SHA256SUMS", browser_download_url: "https://updates.example/SHA256SUMS" },
+          { name: assetName, browser_download_url: `https://updates.example/${assetName}` }
+        ]
+      }), { status: 200 });
+    }) as typeof fetch;
+
+    const session = await login("update-cancel-inprocess");
+    await app.inject({ method: "POST", url: "/api/update/check", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: {} });
+
+    const downloaded = await app.inject({ method: "POST", url: "/api/update/download", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: { version: "1.2.0", confirm: true } });
+    const downloadJobId = downloaded.json().job.id as string;
+
+    // Wait until status becomes downloading
+    for (let i = 0; i < 30; i++) {
+      await new Promise((r) => setTimeout(r, 30));
+      const row = database.sqlite.prepare("SELECT status FROM update_jobs WHERE id=?").get(downloadJobId) as any;
+      if (row?.status === "downloading") break;
+    }
+
+    const cancelRes = await app.inject({
+      method: "POST",
+      url: "/api/update/cancel",
+      headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf },
+      payload: { jobId: downloadJobId }
+    });
+
+    expect(cancelRes.statusCode).toBe(200);
+    expect(cancelRes.json().success).toBe(true);
+
+    const cancelledRow = database.sqlite.prepare("SELECT status FROM update_jobs WHERE id=?").get(downloadJobId) as any;
+    expect(cancelledRow?.status).toBe("cancelled");
+    expect(fetchAborted).toBe(true);
+
+    rmSync(payloadSource, { recursive: true, force: true });
+    rmSync(archivePath, { force: true });
+  });
+
+  it("管理员可主动取消排队中的更新任务并清理请求文件", async () => {
+    const session = await login("update-cancel");
+    mockRelease();
+    await app.inject({ method: "POST", url: "/api/update/check", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: {} });
+    const applied = await app.inject({ method: "POST", url: "/api/update/apply", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: { version: "1.2.0", confirm: true } });
+    expect(applied.statusCode).toBe(202);
+    expect(existsSync(config.updateRequestPath)).toBe(true);
+
+    const cancelRes = await app.inject({ method: "POST", url: "/api/update/cancel", headers: { origin: config.publicOrigin, cookie: session.cookies, "x-csrf-token": session.csrf }, payload: {} });
+    expect(cancelRes.statusCode).toBe(200);
+    expect(cancelRes.json().success).toBe(true);
+    expect(existsSync(config.updateRequestPath)).toBe(false);
+
+    const statusRes = await app.inject({ method: "GET", url: "/api/update/status", headers: { cookie: session.cookies } });
+    expect(statusRes.statusCode).toBe(200);
+    expect(statusRes.json().job).toBeNull();
+  });
 });
@@ -6,6 +6,7 @@ import path from "node:path";
 import { createHash, generateKeyPairSync, randomUUID, sign } from "node:crypto";
 import {
  atomicSwitchRelease,
+  applicationUpdateRuntimeHash,
  createSafeArchive,
  detectPlatform,
  downloadReleaseAsset,
@@ -16,6 +17,7 @@ import {
  normalizeReleasePermissions,
  sanitizeAssetName,
  selectReleaseAsset,
+  runtimeHashFromLockfile,
  validateHttpsUrl,
 } from "../server/update.js";
 import { finalizeUpdateJob, runUpdate } from "../server/cli/update.js";
@@ -50,6 +52,17 @@ describe("更新安全工具", () => {
    expect(() => sanitizeAssetName("../release.tar.gz")).toThrow();
  });

+  it("优先选择运行时匹配的轻量更新包，并对旧客户端保留完整包回退", () => {
+    const runtimeHash = runtimeHashFromLockfile("lockfile-v1\n");
+    const full = { name: "tallynote-1.2.0-linux-x64-glibc.tar.gz", url: "https://updates.example/full" };
+    const app = { name: `tallynote-1.2.0-linux-x64-glibc.update-${runtimeHash}.tar.gz`, url: "https://updates.example/app" };
+    const release = { version: "1.2.0", assets: [full, app] };
+    expect(applicationUpdateRuntimeHash(app.name)).toBe(runtimeHash);
+    expect(selectReleaseAsset(release, detectPlatform("linux", "x86_64"), runtimeHash)).toEqual(app);
+    expect(selectReleaseAsset(release, detectPlatform("linux", "x86_64"))).toEqual(full);
+    expect(applicationUpdateRuntimeHash(full.name)).toBeUndefined();
+  });
+
  it("验证 SHA256SUMS 的 Ed25519 detached signature", () => {
    const { publicKey, privateKey } = generateKeyPairSync("ed25519");
    const payload = "a".repeat(64) + "  tallynote.tar.gz\n";
@@ -372,6 +385,47 @@ describe("更新安全工具", () => {
    }
  });

+  it("队列任务有新请求标记时可被重新检查，标记过期后才回收", async () => {
+    const root = await mkdtemp(path.join(tmpdir(), "tallynote-update-queued-marker-"));
+    let database: ReturnType<typeof openDatabase> | undefined;
+    try {
+      const dataDir = path.join(root, "data");
+      const installPrefix = path.join(root, "install");
+      process.env.TALLYNOTE_DATA_DIR = dataDir;
+      process.env.TALLYNOTE_INSTALL_PREFIX = installPrefix;
+      process.env.TALLYNOTE_PUBLIC_ORIGIN = "http://127.0.0.1:3998";
+      process.env.TALLYNOTE_COOKIE_SECURE = "false";
+      process.env.TALLYNOTE_UPDATE_STRATEGY = "systemd";
+      process.env.TALLYNOTE_UPDATE_METADATA_URL = "https://updates.example/latest";
+      process.env.TALLYNOTE_UPDATE_ALLOWED_HOSTS = "updates.example";
+      process.env.TALLYNOTE_UPDATE_REQUIRE_SIGNATURE = "false";
+      const config = loadConfig();
+      prepareDataDirectories(config);
+      database = openDatabase(config);
+      const staleAt = Date.now() - ORPHANED_UPDATE_TIMEOUT_MS - 1;
+      const jobId = randomUUID();
+      database.sqlite.prepare(`
+        INSERT INTO update_jobs(id, operation, status, version, platform, asset_url, created_at, updated_at)
+        VALUES (?, 'apply', 'queued', '1.2.0', 'linux-x64', ?, ?, ?)
+      `).run(jobId, "https://updates.example/queued.tar.gz", staleAt, staleAt);
+      await writeFile(config.updateRequestPath, JSON.stringify({ jobId, operation: "apply" }));
+      const now = Date.now();
+      await utimes(config.updateRequestPath, new Date(now), new Date(now));
+
+      expect(reconcileOrphanedUpdateJobs(database.sqlite, config, now)).toBe(0);
+      expect(database.sqlite.prepare("SELECT status FROM update_jobs WHERE id=?").get(jobId)).toEqual({ status: "queued" });
+      expect(await stat(config.updateRequestPath)).toBeTruthy();
+
+      const expiredNow = now + ORPHANED_UPDATE_TIMEOUT_MS + 1;
+      expect(reconcileOrphanedUpdateJobs(database.sqlite, config, expiredNow)).toBe(1);
+      expect(database.sqlite.prepare("SELECT status FROM update_jobs WHERE id=?").get(jobId)).toEqual({ status: "failed" });
+      await expect(stat(config.updateRequestPath)).rejects.toThrow();
+    } finally {
+      if (database) database.sqlite.close();
+      await rm(root, { recursive: true, force: true });
+    }
+  });
+
  it("流式解包在展开大小上限前拒绝高压缩比归档，并修正发布树权限", async () => {
    const root = await mkdtemp(path.join(tmpdir(), "tallynote-update-stream-"));
    try {
@@ -0,0 +1,39 @@
+import type { ReactNode } from "react";
+
+export function BeamBar({
+  className = "",
+  width = 140,
+  height = 4,
+}: {
+  className?: string;
+  width?: number | string;
+  height?: number;
+}) {
+  return (
+    <div
+      className={`tn-beam-bar ${className}`}
+      style={{ width, height }}
+      role="progressbar"
+      aria-label="加载中"
+    />
+  );
+}
+
+export function BeamLoading({
+  text,
+  className = "",
+  width,
+}: {
+  text?: ReactNode;
+  className?: string;
+  width?: number | string;
+}) {
+  return (
+    <div className={`tn-beam-loading ${className}`} role="status" aria-live="polite">
+      <BeamBar width={width} />
+      {text && <span className="tn-beam-text">{text}</span>}
+    </div>
+  );
+}
+
+export default BeamLoading;
@@ -1,3 +1,4 @@
+import { BeamLoading } from "./components/BeamLoading";
 import { lazy, Suspense, useCallback, useEffect, useRef, useState } from "react";
 import { createRoot, type Root } from "react-dom/client";
 import "tdesign-react/es/_util/react-19-adapter";
@@ -10,12 +11,12 @@ import { setAppTimezone } from "./utils/date";
 import { AppLayout } from "./layouts";
 import { DEFAULT_ROUTE_ID, isRouteId, routeIdFromPath, routePath, routeTitle, type RouteId } from "./router";
 import { LoginPage, ChangePasswordPage } from "./pages/auth";
-const ExpensesPage = lazy(() => import("./pages/expenses"));
-const DashboardPage = lazy(() => import("./pages/dashboard"));
-const TrashPage = lazy(() => import("./pages/trash").then(module => ({ default: module.TrashPage })));
-const AdminsPage = lazy(() => import("./pages/admins").then(module => ({ default: module.AdminsPage })));
-const AuditPage = lazy(() => import("./pages/audit").then(module => ({ default: module.AuditPage })));
-const UpdatePage = lazy(() => import("./pages/update").then(module => ({ default: module.UpdatePage })));
+import ExpensesPage from "./pages/expenses";
+import DashboardPage from "./pages/dashboard";
+import { TrashPage } from "./pages/trash";
+import { AdminsPage } from "./pages/admins";
+import { AuditPage } from "./pages/audit";
+import { UpdatePage } from "./pages/update";
 import { UnsavedChangesProvider, useUnsavedActions } from "./contexts/UnsavedChanges";
 import { useDialogAccessibility } from "./hooks/useDialogAccessibility";
 import "./styles/theme.css";
@@ -33,7 +34,7 @@ function App() {
  const notify = useCallback((message: string, kind: "success" | "error" | "info" = "info") => {
    // The placement container owns the responsive right inset. Keeping the
    // item offset at zero avoids pushing narrow-screen notices off canvas.
-    const options = { content: message, duration: 4200, placement: "top-right" as const, offset: [0, 76] as [number, number], zIndex: 5000 };
+    const options = { content: message, duration: 4200, placement: "top-right" as const, offset: [24, 76] as [number, number], zIndex: 6000 };
    const show = kind === "success" ? NotificationPlugin.success : kind === "error" ? NotificationPlugin.error : NotificationPlugin.info;
    void show(options);
  }, []);
@@ -87,10 +88,10 @@ function App() {
  // Keep the login form mounted for those requests so the user sees the
  // button's busy state instead of losing the entire form to a bootstrap
  // spinner. `bootstrapRequestId` is only set by the initial session check.
-  if (isSessionBootstrapping(session)) return <main className="tn-auth-shell" role="status" aria-live="polite"><Loading text="正在连接本地账本…" /></main>;
-  if (session.status === "error") return <main className="tn-auth-shell"><div className="tn-auth-panel"><h1 className="tn-page-title">无法连接 TallyNote</h1><p className="tn-page-subtitle">{session.error || "请确认本地服务正在运行。"}</p><Button theme="primary" onClick={() => void dispatch(bootstrapSession())}>重新连接</Button></div></main>;
+  if (isSessionBootstrapping(session)) return <main className="tn-auth-shell" role="status" aria-live="polite"><BeamLoading text="正在进入系统…" /></main>;
+  if (session.status === "error") return <main className="tn-auth-shell"><div className="tn-auth-panel"><h1 className="tn-page-title">无法连接服务</h1><p className="tn-page-subtitle">{session.error || "服务暂时无法连接，请稍后重试或检查网络状态。"}</p><Button theme="primary" onClick={() => void dispatch(bootstrapSession())}>重新连接</Button></div></main>;
  if (!session.admin) return <LoginPage
-    notice={session.initialized ? undefined : "首次安装还差一步：请在服务器执行 sudo tallynote-admin-init 创建管理员账号。"}
+    notice={session.initialized ? undefined : "系统尚未初始化管理员账号，请联系系统管理员完成初始配置后登录。"}
    onSuccess={() => setPasswordOpen(false)}
  />;
  if (session.admin.mustChangePassword) return <ChangePasswordPage admin={session.admin} firstLogin onSuccess={() => notify("密码已更新", "success")} />;
@@ -104,7 +105,7 @@ function App() {
    : page === "audit" ? <AuditPage timezone={session.timezone} />
    : <UpdatePage timezone={session.timezone} notify={notify} />;

-  return <AppLayout activeId={page} adminName={session.admin.displayName} adminUsername={session.admin.username} onNavigate={onNavigate} onLogout={onLogout} onOpenPassword={() => { if (!passwordOpen) requestDiscard(() => setPasswordOpen(true)); }}><Suspense fallback={<main className="tn-page-loading" role="status" aria-live="polite"><Loading text="正在打开页面…" /></main>}><div key={passwordOpen ? "password" : page} className="tn-page-transition">{content}</div></Suspense></AppLayout>;
+  return <AppLayout activeId={page} adminName={session.admin.displayName} adminUsername={session.admin.username} onNavigate={onNavigate} onLogout={onLogout} onOpenPassword={() => { if (!passwordOpen) requestDiscard(() => setPasswordOpen(true)); }}><Suspense fallback={<main className="tn-page-loading" role="status" aria-live="polite"><BeamLoading text="页面加载中…" /></main>}><div key={passwordOpen ? "password" : page} className="tn-page-transition">{content}</div></Suspense></AppLayout>;
 }

 function RouteErrorPage() {
@@ -77,18 +77,18 @@ export default function AdminsPage({ currentAdmin, timezone = "Asia/Shanghai", n
    { colKey: "status", title: "状态", cell: ({ row }: any) => <StatusTag status={row.status} /> },
    { colKey: "lastLoginAt", title: "最近登录", cell: ({ row }: any) => row.lastLoginAt ? dateText(row.lastLoginAt, timezone) : "从未登录" },
    { colKey: "version", title: "版本", cell: ({ row }: any) => <span className="tn-code">v{row.version}</span> },
-    { colKey: "actions", title: "操作", width: 250, cell: ({ row }: any) => <Space className="tn-action-group"><Tooltip content={row.id === currentAdmin.id ? "当前账号请使用右上角修改密码" : "生成一次性临时密码"}><Button variant="outline" onClick={() => setAction({ kind: "reset", admin: row })} disabled={busy || row.id === currentAdmin.id} icon={<KeyRound size={15} />}>重置密码</Button></Tooltip><Button variant="outline" theme={row.status === "active" ? "danger" : "primary"} onClick={() => setAction({ kind: "toggle", admin: row })} disabled={busy || row.id === currentAdmin.id} icon={row.status === "active" ? <UserRoundX size={15} /> : <UserRoundCheck size={15} />}>{row.status === "active" ? "停用" : "启用"}</Button></Space> },
+    { colKey: "actions", title: "操作", width: 250, cell: ({ row }: any) => <Space className="tn-action-group"><Tooltip content={row.id === currentAdmin.id ? "当前账号请在个人菜单中修改密码" : "重置并生成临时登录密码"}><Button variant="outline" onClick={() => setAction({ kind: "reset", admin: row })} disabled={busy || row.id === currentAdmin.id} icon={<KeyRound size={15} />}>重置密码</Button></Tooltip><Button variant="outline" theme={row.status === "active" ? "danger" : "primary"} onClick={() => setAction({ kind: "toggle", admin: row })} disabled={busy || row.id === currentAdmin.id} icon={row.status === "active" ? <UserRoundX size={15} /> : <UserRoundCheck size={15} />}>{row.status === "active" ? "停用" : "启用"}</Button></Space> },
  ];

-  return <Page title="管理员" subtitle="多个等权管理员共享同一本地账目，停用会立即撤销该账号的现有会话。" actions={<Space><Button variant="outline" onClick={() => void load()} disabled={loading} icon={<RotateCcw size={15} />}>刷新</Button><Button theme="primary" onClick={() => { setForm({ username: "", displayName: "" }); setFormError(""); setFormFields({}); setShowCreate(true); }} icon={<Plus size={16} />}>新增管理员</Button></Space>}>
+  return <Page title="管理员" subtitle="管理员协同维护团队账单与报销凭据，停用后将立即限制该账号访问并注销其登录会话。" actions={<Space><Button variant="outline" onClick={() => void load()} disabled={loading} icon={<RotateCcw size={15} />}>刷新</Button><Button theme="primary" onClick={() => { setForm({ username: "", displayName: "" }); setFormError(""); setFormFields({}); setShowCreate(true); }} icon={<Plus size={16} />}>新增管理员</Button></Space>}>
    <AsyncState loading={loading} error={error} empty={items.length === 0 ? <div className="tn-empty"><UserRound size={30} /><p>暂无管理员</p></div> : undefined} onRetry={() => void load()}><div className="tn-table-wrap" role="region" aria-label="管理员列表，可横向滚动查看更多列"><Table rowKey="id" data={items} columns={columns as any} hover stripe /></div></AsyncState>
    <Drawer className="tn-content-drawer tn-admin-drawer" visible={showCreate} destroyOnClose placement="right" size="440px" header="新增管理员" onClose={() => { if (!busy) requestDiscard(() => setShowCreate(false)); }} footer={<Space><Button variant="outline" onClick={() => requestDiscard(() => setShowCreate(false))} disabled={busy}>取消</Button><Button theme="primary" type="button" onClick={() => void create()} disabled={busy} icon={busy ? <BusyIcon /> : <ShieldCheck size={15} />}>创建并生成临时密码</Button></Space>}>
      <Form id="admin-create-form" layout="vertical" onSubmit={() => { void create(); }}><Form.FormItem label="用户名" help={formFields.username || "至少 3 个字符"} status={formFields.username ? "error" : undefined} rules={[{ required: true, min: 3, max: 64, message: "用户名至少需要 3 个字符" }]}><AccessibleInput disabled={busy} inputAriaLabel="用户名" inputAriaInvalid={Boolean(formFields.username)} value={form.username} onChange={value => { setForm({ ...form, username: value }); setFormFields(current => ({ ...current, username: undefined })); setFormError(""); }} onEnter={(_, context) => { context.e.preventDefault(); void create(); }} maxlength={64} autocomplete="off" /></Form.FormItem><Form.FormItem label="显示名" help={formFields.displayName} status={formFields.displayName ? "error" : undefined} rules={[{ required: true, max: 80, message: "请输入显示名" }]}><AccessibleInput disabled={busy} inputAriaLabel="显示名" inputAriaInvalid={Boolean(formFields.displayName)} value={form.displayName} onChange={value => { setForm({ ...form, displayName: value }); setFormFields(current => ({ ...current, displayName: undefined })); setFormError(""); }} onEnter={(_, context) => { context.e.preventDefault(); void create(); }} maxlength={80} /></Form.FormItem>{formError && <div className="tn-inline-error" role="alert">{formError}</div>}</Form>
    </Drawer>
-    <Dialog visible={Boolean(action)} header={action?.kind === "reset" ? "重置管理员密码？" : action?.admin.status === "active" ? "停用管理员？" : "启用管理员？"} confirmBtn={{ content: action?.kind === "reset" ? "重置密码" : action?.admin.status === "active" ? "停用" : "启用", theme: action?.kind === "toggle" && action.admin.status === "active" ? "danger" : "primary", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) setAction(null); }} onConfirm={() => void (action?.kind === "reset" ? reset() : toggle())} onCancel={() => { if (!busy) setAction(null); }}>
-      {action?.kind === "reset" ? <>将生成一次性临时密码，并立即使“{action.admin.displayName}”的现有会话失效。</> : action?.admin.status === "active" ? "停用后该管理员的现有会话会立即失效。" : "启用后该管理员可以重新登录。"}
+    <Dialog width="540px" visible={Boolean(action)} header={action?.kind === "reset" ? "重置管理员密码？" : action?.admin.status === "active" ? "停用管理员？" : "启用管理员？"} confirmBtn={{ content: action?.kind === "reset" ? "重置密码" : action?.admin.status === "active" ? "停用" : "启用", theme: action?.kind === "toggle" && action.admin.status === "active" ? "danger" : "primary", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) setAction(null); }} onConfirm={() => void (action?.kind === "reset" ? reset() : toggle())} onCancel={() => { if (!busy) setAction(null); }}>
+      {action?.kind === "reset" ? <>将生成一次性临时密码，同时让管理员“{action.admin.displayName}”已登录的会话安全退出。</> : action?.admin.status === "active" ? "停用后该管理员将无法访问系统，已登录的会话会立即注销。" : "启用后该管理员可恢复系统访问并正常登录。"}
    </Dialog>
-    <Dialog visible={Boolean(secret)} header="临时密码已生成" confirmBtn="关闭" cancelBtn={null} onClose={() => setSecret("")} onConfirm={() => setSecret("")} onCancel={() => setSecret("")}><div className="tn-secret"><code>{secret}</code><Button variant="outline" icon={<Copy size={15} />} onClick={() => { void copySecret(secret); }}>复制</Button></div><p className="tn-dialog-note">请通过安全渠道交给管理员。首次登录必须修改密码。</p></Dialog>
+    <Dialog width="540px" visible={Boolean(secret)} header="临时密码已生成" confirmBtn="关闭" cancelBtn={null} onClose={() => setSecret("")} onConfirm={() => setSecret("")} onCancel={() => setSecret("")}><div className="tn-secret"><code>{secret}</code><Button variant="outline" icon={<Copy size={15} />} onClick={() => { void copySecret(secret); }}>复制</Button></div><p className="tn-dialog-note">请妥善保管并将临时密码交付给管理员，该密码在首次登录时会被强制更新。</p></Dialog>
  </Page>;

  async function copySecret(value: string) {
@@ -23,7 +23,7 @@ const ACTION_LABELS: Record<string, string> = {
  "auth.login_failed": "登录失败",
  "expense.created": "创建账目",
  "expense.updated": "更新账目",
-  "expense.status_changed": "切换报销状态",
+  "expense.status_changed": "更新报销状态",
  "expense.trashed": "移入回收站",
  "expense.restored": "恢复账目",
  "expense.purged": "永久删除账目",
@@ -133,8 +133,8 @@ export default function AuditPage({ timezone = "Asia/Shanghai" }: { timezone?: s
    { colKey: "outcome", title: "结果", cell: ({ row }: any) => <Tag theme={row.outcome === "success" || !row.outcome ? "success" : row.outcome === "denied" ? "warning" : "danger"}>{outcomeLabel(row.outcome)}</Tag> },
  ];

-  return <Page title="审计日志" subtitle="记录登录、账目、附件、导出、管理员和更新操作。日志只读，永久删除也不会清除它。" actions={<Button variant="outline" onClick={() => void load()} disabled={loading || loadingMore} icon={<RotateCcw size={15} />}>刷新</Button>}>
-    <form className="tn-toolbar tn-audit-toolbar" onSubmit={e => { e.preventDefault(); applyFilters(); }}><AccessibleInput inputAriaLabel="动作筛选" value={actionDraft} onChange={setActionDraft} maxlength={100} placeholder="动作，例如 expense.created" prefixIcon={<Search size={16} />} /><Select aria-label="目标类型" value={targetDraft} onChange={v => setTargetDraft(String(v))} options={[{ label: "全部目标", value: "" }, { label: "账目", value: "expense" }, { label: "管理员", value: "admin" }, { label: "导出", value: "export" }, { label: "会话", value: "session" }, { label: "更新任务", value: "update" }, { label: "系统检查", value: "system" }]} /><Button theme="primary" type="submit" icon={<Search size={15} />}>筛选</Button></form>
+  return <Page title="审计日志" subtitle="全量记录系统鉴权、账目变更、凭证管理、数据导出与维护行为，审计日志严格只读留存，确保财务追溯合规。" actions={<Button variant="outline" onClick={() => void load()} disabled={loading || loadingMore} icon={<RotateCcw size={15} />}>刷新</Button>}>
+    <form className="tn-toolbar tn-audit-toolbar" onSubmit={e => { e.preventDefault(); applyFilters(); }}><AccessibleInput inputAriaLabel="动作筛选" value={actionDraft} onChange={setActionDraft} maxlength={100} placeholder="输入操作行为筛选" prefixIcon={<Search size={16} />} /><Select aria-label="目标类型" value={targetDraft} onChange={v => setTargetDraft(String(v))} options={[{ label: "全部目标", value: "" }, { label: "账目", value: "expense" }, { label: "管理员", value: "admin" }, { label: "导出", value: "export" }, { label: "会话", value: "session" }, { label: "更新任务", value: "update" }, { label: "系统检查", value: "system" }]} /><Button theme="primary" type="submit" icon={<Search size={15} />}>筛选</Button></form>
    <AsyncState loading={loading} error={error} empty={items.length === 0 ? <div className="tn-empty"><Archive size={30} /><p>{action || targetType ? "没有符合当前筛选条件的审计记录" : "暂无审计记录"}</p>{(action || targetType) && <Button variant="outline" onClick={() => setSearchParams(new URLSearchParams())}>清除筛选</Button>}</div> : undefined} onRetry={() => void load()}><div className="tn-table-wrap tn-audit-table" role="region" aria-label="审计日志列表，可横向滚动查看更多列"><Table rowKey="id" data={items} columns={columns as any} hover stripe /></div>{hasMore && <div className="tn-table-more"><Button variant="outline" onClick={() => void load(true)} disabled={loadingMore} icon={<RotateCcw size={15} />}>{loadingMore ? "加载中…" : "加载更早记录"}</Button></div>}</AsyncState>
  </Page>;
 }
@@ -108,14 +108,14 @@ export default function ChangePasswordPage({ admin, onSuccess, onCancel, returnL
  </section>;

  if (!isFirstLogin) {
-    return <Page title="修改密码" subtitle="更新当前管理员的登录凭据。" actions={onCancel ? <Button variant="text" type="button" onClick={onCancel} icon={<ArrowLeft size={16} />}>{returnLabel}</Button> : undefined} className="tn-password-page">{panel}</Page>;
+    return <Page title="修改密码" subtitle="定期更新管理员账户登录密码，保障财务数据访问安全。" actions={onCancel ? <Button variant="text" type="button" onClick={onCancel} icon={<ArrowLeft size={16} />}>{returnLabel}</Button> : undefined} className="tn-password-page">{panel}</Page>;
  }

  return <main className="tn-login-page" data-page="change-password">
    <section className="tn-login-container tn-password-container">
      <div className="tn-login-heading">
-        <h1 id="password-title" className="tn-login-title">首次登录保护</h1>
-        <p className="tn-login-subtitle">管理员 {displayName} 需要先设置新密码。</p>
+        <h1 id="password-title" className="tn-login-title">初始安全设置</h1>
+        <p className="tn-login-subtitle">欢迎使用系统，管理员 {displayName}，为保障账户安全，首次登录请先设置新密码。</p>
      </div>
      {panel}
    </section>
@@ -76,7 +76,7 @@ export default function LoginPage({ notice, onSuccess }: LoginPageProps) {
    <main className="tn-login-page" data-page="login">
      <section className="tn-login-container" aria-labelledby="login-title">
        <div className="tn-login-heading">
-          <h1 id="login-title" className="tn-login-title">登录到 <span className="tn-login-title-brand">TallyNote</span></h1>
+          <h1 id="login-title" className="tn-login-title">登录 <span className="tn-login-title-brand">TallyNote</span> 工作台</h1>
        </div>

        <Form
@@ -1,3 +1,4 @@
+import { BeamLoading, BeamBar } from "../components/BeamLoading";
 import type { ReactNode } from "react";
 import { AlertCircle, Loader2 } from "lucide-react";
 import { Alert, Button, Card, Loading, Space, Tag } from "tdesign-react";
@@ -26,10 +27,10 @@ export function AsyncState({ loading, error, empty, onRetry, children }: {
  onRetry?: () => void;
  children: ReactNode;
 }) {
-  if (loading && empty) return <div className="tn-empty" role="status" aria-live="polite"><Loading text="加载中…" /></div>;
+  if (loading && empty) return <div className="tn-empty" role="status" aria-live="polite"><BeamLoading text="数据加载中…" /></div>;
  if (error && empty) return <div className="tn-empty" role="alert"><AlertCircle size={28} /><p>{error}</p>{onRetry && <Button variant="outline" onClick={onRetry}>重试</Button>}</div>;
  return <>
-    {loading && <div className="tn-inline-loading" role="status"><Loader2 size={15} className="tn-spin" aria-hidden="true" />正在更新…</div>}
+    {loading && <div className="tn-inline-loading" role="status"><BeamBar className="tn-beam-bar-sm" /> 正在同步…</div>}
    {error && <ErrorBanner message={error} onRetry={onRetry} />}
    {empty || children}
  </>;
@@ -1,3 +1,4 @@
+import { BeamLoading } from "../../components/BeamLoading";
 import { useEffect, useMemo, useRef, useState } from "react";
 import { AlertCircle, ChevronLeft, ChevronRight, RefreshCw } from "lucide-react";
 import { Alert, Button, Card, DatePicker, Empty, Loading, Space, Statistic, Table, Tag, Tooltip } from "tdesign-react";
@@ -17,6 +18,8 @@ echarts.use([LineChart, GridComponent, LegendComponent, TooltipComponent, Canvas
 type Props = { timezone?: string; onNavigate?: (id: RouteId, search?: string) => void };
 type ExpenseResult = { items: Expense[]; summary: { count: number; amountCents: number } };

+let dashboardCache: { month: string; unreimbursed: ExpenseResult; reimbursed: ExpenseResult } | null = null;
+
 function prefersReducedMotion(): boolean {
  return typeof window !== "undefined" && typeof window.matchMedia === "function"
    ? window.matchMedia("(prefers-reduced-motion: reduce)").matches
@@ -28,11 +31,12 @@ export default function DashboardPage({ timezone = "Asia/Shanghai", onNavigate }
  const rawMonthParam = searchParams.get("month");
  const defaultMonth = monthNow(timezone);
  const month = rawMonthParam && /^\d{4}-(0[1-9]|1[0-2])$/.test(rawMonthParam) ? rawMonthParam : defaultMonth;
-  const [unreimbursed, setUnreimbursed] = useState<ExpenseResult>({ items: [], summary: { count: 0, amountCents: 0 } });
-  const [reimbursed, setReimbursed] = useState<ExpenseResult>({ items: [], summary: { count: 0, amountCents: 0 } });
-  const [loading, setLoading] = useState(true);
+  const isCached = dashboardCache?.month === month;
+  const [unreimbursed, setUnreimbursed] = useState<ExpenseResult>(() => (isCached ? dashboardCache!.unreimbursed : { items: [], summary: { count: 0, amountCents: 0 } }));
+  const [reimbursed, setReimbursed] = useState<ExpenseResult>(() => (isCached ? dashboardCache!.reimbursed : { items: [], summary: { count: 0, amountCents: 0 } }));
+  const [loading, setLoading] = useState(() => !isCached);
  const [error, setError] = useState("");
-  const [loadedMonth, setLoadedMonth] = useState<string | null>(null);
+  const [loadedMonth, setLoadedMonth] = useState<string | null>(() => (isCached ? month : null));
  const requestSequence = useRef(0);
  const [reducedMotion, setReducedMotion] = useState(prefersReducedMotion);

@@ -74,6 +78,7 @@ export default function DashboardPage({ timezone = "Asia/Shanghai", onNavigate }
      setUnreimbursed(pending);
      setReimbursed(done);
      setLoadedMonth(month);
+      dashboardCache = { month, unreimbursed: pending, reimbursed: done };
    } catch (caught) {
      if (sequence === requestSequence.current) setError((caught as Error).message);
    } finally {
@@ -140,7 +145,7 @@ export default function DashboardPage({ timezone = "Asia/Shanghai", onNavigate }
      <div className="tn-page-actions"><div className="tn-dashboard-actions"><div className="tn-dashboard-month-control"><Tooltip content="上个月"><Button variant="outline" shape="square" onClick={() => shiftMonth(-1)} aria-label="上个月" icon={<ChevronLeft size={16} />} /></Tooltip><DatePicker className="tn-dashboard-month" mode="month" format="YYYY-MM" value={month} onChange={(value: any) => { const next = String(value || "").slice(0, 7); if (/^\d{4}-\d{2}$/.test(next)) setDashboardMonth(next); }} inputProps={{ "aria-label": "仪表盘月份" } as any} /><Tooltip content="下个月"><Button variant="outline" shape="square" onClick={() => shiftMonth(1)} aria-label="下个月" icon={<ChevronRight size={16} />} /></Tooltip></div><div className="tn-dashboard-secondary-actions"><Button className="tn-dashboard-refresh" variant="outline" onClick={() => void load()} disabled={loading} icon={<RefreshCw size={15} />}>刷新</Button><Button className="tn-dashboard-view" theme="primary" onClick={() => onNavigate?.("expenses", expensesSearch)}>查看账目</Button></div></div></div>
    </div>
    {error && hasCurrentSnapshot && <Alert theme="error" icon={<AlertCircle size={16} />} message={`刷新失败：${error}。当前展示的是本月最近一次成功加载的数据。`} />}
-    {loading ? <div className="tn-empty" role="status" aria-live="polite"><Loading text="加载仪表盘…" /></div> : !hasCurrentSnapshot ? <div className="tn-empty" role="alert"><Alert theme="error" icon={<AlertCircle size={16} />} message={error || "暂时无法读取仪表盘数据"} /><Button variant="outline" onClick={() => void load()} icon={<RefreshCw size={15} />}>重新加载</Button></div> : <>
+    {loading && !hasCurrentSnapshot ? <div className="tn-empty" role="status" aria-live="polite"><BeamLoading text="正在汇总本月数据…" /></div> : !hasCurrentSnapshot ? <div className="tn-empty" role="alert"><Alert theme="error" icon={<AlertCircle size={16} />} message={error || "暂时无法读取仪表盘数据"} /><Button variant="outline" onClick={() => void load()} icon={<RefreshCw size={15} />}>重新加载</Button></div> : <>
      <div className="tn-dashboard-stats">
        <Card bordered className="tn-dashboard-stat tn-dashboard-stat-total"><Statistic title="本月总额" value={totalCents / 100} prefix="¥" decimalPlaces={2} /></Card>
        <Card bordered className="tn-dashboard-stat tn-dashboard-stat-count"><Statistic title="账目笔数" value={totalCount} suffix="笔" /></Card>
@@ -1,3 +1,4 @@
+import { BeamLoading } from "../../components/BeamLoading";
 import { useCallback, useEffect, useRef, useState } from "react";
 import { AlertCircle, ArrowDownToLine, FileText, Image as ImageIcon, Loader2, Search, Settings, Trash2, X } from "lucide-react";
 import { Button, Dialog, Drawer, Loading, Space, Tag, Textarea, Tooltip } from "tdesign-react";
@@ -10,7 +11,7 @@ type Props = { expense: Expense; timezone?: string; onClose: () => void; onUpdat
 const TIMELINE_LABELS: Record<string, string> = {
  "expense.created": "创建账目",
  "expense.updated": "更新账目",
-  "expense.status_changed": "切换报销状态",
+  "expense.status_changed": "更新报销状态",
  "expense.trashed": "移入回收站",
  "expense.restored": "从回收站恢复",
  "attachment.added": "添加附件",
@@ -49,7 +50,7 @@ export default function ExpenseDetail({ expense, timezone = "Asia/Shanghai", onC
    const current = (caught.details as { current?: Expense } | undefined)?.current;
    if (!current) return false;
    setDetail(current);
-    setMessage("这笔账目刚被其他管理员修改，已加载最新版本，请确认后重试。");
+    setMessage("此笔账目已被其他管理员更新，已为您自动同步最新记录，请确认后重试。");
    return true;
  };
  const updateStatus = async () => { setBusy(true); try { const next = detail.status === "reimbursed" ? "unreimbursed" : "reimbursed"; const result = await api<{ expense: Expense }>(`/api/expenses/${detail.id}/status`, { method: "POST", body: JSON.stringify({ status: next, version: detail.version }) }); setDetail(result.expense); setAction(null); notify?.(next === "reimbursed" ? "已标记为已报销" : "已改回未报销", "success"); onUpdated(); } catch (caught) { if (!recoverConflict(caught, setError)) setError((caught as Error).message); setAction(null); } finally { setBusy(false); } };
@@ -57,16 +58,16 @@ export default function ExpenseDetail({ expense, timezone = "Asia/Shanghai", onC
  const remove = async () => { if (!removeTarget) return; const requires = removeTarget.kind === "invoice" && detail.invoiceCount <= 1 && !detail.invoiceMissingReason?.trim(); if (requires && !removeReason.trim()) { setRemoveError("请填写无发票原因"); return; } setBusy(true); setRemoveError(""); try { const body: { version: number; invoiceMissingReason?: string } = { version: detail.version }; if (requires) body.invoiceMissingReason = removeReason.trim(); const result = await api<{ expense: Expense }>(`/api/attachments/${removeTarget.id}`, { method: "DELETE", body: JSON.stringify(body) }); setDetail(result.expense); setRemoveTarget(null); notify?.("附件已删除", "success"); onUpdated(); } catch (caught) { if (!recoverConflict(caught, setRemoveError)) setRemoveError((caught as Error).message); } finally { setBusy(false); } };
  return <>
    <Drawer className="tn-content-drawer tn-detail-drawer" placement="right" size="520px" visible destroyOnClose header="账目详情" onClose={onClose} footer={<Space><Button onClick={() => setAction("status")} disabled={busy}>{detail.status === "reimbursed" ? "标记未报销" : "标记已报销"}</Button><Button theme="danger" onClick={() => setAction("trash")} disabled={busy}><Trash2 size={15} />移入回收站</Button></Space>}>
-      {loading ? <div role="status" aria-live="polite"><Loading text="加载详情…" /></div> : error ? <div role="alert" className="expense-error"><AlertCircle size={16} />{error}<Button variant="text" onClick={load}>重试</Button></div> : <div className="expense-detail">
+      {loading ? <div className="tn-drawer-loading-wrap" role="status" aria-live="polite"><BeamLoading text="正在加载账目详情…" /></div> : error ? <div role="alert" className="expense-error"><AlertCircle size={16} />{error}<Button variant="text" onClick={load}>重试</Button></div> : <div className="expense-detail">
        <div className="expense-detail-head"><strong>{money(detail.amountCents)}</strong><Button variant="outline" onClick={() => onRequestEdit(detail)}><Settings size={15} />编辑</Button></div>
        <dl><div><dt>支付时间</dt><dd>{dateText(detail.paidAt, timezone)}</dd></div><div><dt>发票</dt><dd>{detail.invoiceCount > 0 ? `${detail.invoiceCount} 张` : detail.invoiceMissingReason ? <><Tag theme="warning">无发票</Tag>：{detail.invoiceMissingReason}</> : <Tag theme="danger">未说明</Tag>}</dd></div><div><dt>状态</dt><dd><Tag theme={detail.status === "reimbursed" ? "success" : "warning"}>{detail.status === "reimbursed" ? "已报销" : "未报销"}</Tag></dd></div><div><dt>备注</dt><dd>{detail.note || "无"}</dd></div></dl>
        <h3>附件 <small>{detail.attachments?.length || 0}</small></h3><div className="expense-attachments">{(detail.attachments || []).map(a => { const protectsLastProof = a.kind === "payment_proof" && detail.paymentProofCount <= 1; return <div className="expense-attachment" key={a.id}><span title={a.originalName}>{a.mimeType.startsWith("image/") ? <ImageIcon size={16} /> : <FileText size={16} />} {a.originalName}<small>{formatBytes(a.sizeBytes)}</small></span><Space>{a.previewable && <Tooltip content="预览附件" placement="left"><Button variant="text" shape="circle" onClick={() => setPreview(a)} aria-label={`预览 ${a.originalName}`}><Search size={15} /></Button></Tooltip>}<Tooltip content="下载附件" placement="left"><Button variant="text" shape="circle" onClick={() => { window.location.href = `/api/attachments/${a.id}/content?download=1`; }} aria-label={`下载 ${a.originalName}`}><ArrowDownToLine size={15} /></Button></Tooltip><Tooltip content={protectsLastProof ? "至少保留一张付款凭证" : "删除附件"} placement="left"><Button variant="text" shape="circle" theme="danger" disabled={protectsLastProof} onClick={() => { setRemoveReason(""); setRemoveError(""); setRemoveTarget(a); }} aria-label={protectsLastProof ? `不可删除最后一张付款凭证 ${a.originalName}` : `删除 ${a.originalName}`}><Trash2 size={14} /></Button></Tooltip></Space></div>; })}</div>
        {timeline.length > 0 && <><h3>操作记录</h3><div className="expense-timeline">{timeline.slice(0, 12).map(t => <div key={t.id}><span>{dateText(t.occurredAt, timezone)}</span><strong title={t.action}>{TIMELINE_LABELS[t.action] || t.action}</strong><small>{t.actorUsername || "系统"}</small></div>)}</div></>}
      </div>}
    </Drawer>
-    <Dialog visible={action === "status"} header={detail.status === "reimbursed" ? "改回未报销？" : "标记为已报销？"} confirmBtn={{ content: "确认变更", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) setAction(null); }} onConfirm={() => void updateStatus()} onCancel={() => { if (!busy) setAction(null); }}>{detail.status === "reimbursed" ? "这笔账目会重新出现在未报销列表。" : "确认这笔账目已完成报销，并从未报销列表移出？"}</Dialog>
-    <Dialog visible={action === "trash"} header="移入回收站？" confirmBtn={{ content: "移入回收站", theme: "danger", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) setAction(null); }} onConfirm={() => void trash()} onCancel={() => { if (!busy) setAction(null); }}>账目会从普通列表和导出结果中隐藏，附件会保留，可在回收站恢复。</Dialog>
-    <Dialog visible={Boolean(removeTarget)} header="删除附件？" confirmBtn={{ content: "删除附件", theme: "danger", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) setRemoveTarget(null); }} onConfirm={() => void remove()} onCancel={() => { if (!busy) setRemoveTarget(null); }}>{removeTarget && <><p>{removeTarget.kind === "payment_proof" ? "账目至少需要保留一张付款凭证。" : detail.invoiceCount <= 1 && !detail.invoiceMissingReason?.trim() ? "这是最后一张发票。删除后必须填写无发票原因。" : "将删除这张发票。"}</p>{removeTarget.kind === "invoice" && detail.invoiceCount <= 1 && !detail.invoiceMissingReason?.trim() && <Textarea disabled={busy} aria-label="无发票原因" aria-invalid={Boolean(removeError)} aria-describedby={removeError ? "remove-attachment-error" : undefined} value={removeReason} onChange={value => { setRemoveReason(value); setRemoveError(""); }} placeholder="例如：商家无法开具发票" maxlength={500} />}{removeError && <div id="remove-attachment-error" className="expense-error" role="alert"><AlertCircle size={16} />{removeError}</div>}</>}</Dialog>
-    <Dialog visible={Boolean(preview)} header={preview?.originalName} onClose={() => setPreview(null)} cancelBtn="关闭" footer={null}>{preview && <div className="tn-preview">{preview.mimeType.startsWith("image/") ? <img src={`/api/attachments/${preview.id}/content`} alt={preview.originalName} /> : <iframe src={`/api/attachments/${preview.id}/content`} title={preview.originalName} />}</div>}</Dialog>
+    <Dialog width="540px" visible={action === "status"} header={detail.status === "reimbursed" ? "改回未报销？" : "标记为已报销？"} confirmBtn={{ content: "确认变更", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) setAction(null); }} onConfirm={() => void updateStatus()} onCancel={() => { if (!busy) setAction(null); }}>{detail.status === "reimbursed" ? "确认将该笔账目恢复为未报销状态？" : "确认该笔账目已完成报销审批与结算？"}</Dialog>
+    <Dialog width="540px" visible={action === "trash"} header="移入回收站？" confirmBtn={{ content: "移入回收站", theme: "danger", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) setAction(null); }} onConfirm={() => void trash()} onCancel={() => { if (!busy) setAction(null); }}>移入回收站后将不在正常列表中展示，关联附件会完整保留，可随时前往回收站恢复。</Dialog>
+    <Dialog width="560px" visible={Boolean(removeTarget)} header="删除附件？" confirmBtn={{ content: "删除附件", theme: "danger", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) setRemoveTarget(null); }} onConfirm={() => void remove()} onCancel={() => { if (!busy) setRemoveTarget(null); }}>{removeTarget && <><p>{removeTarget.kind === "payment_proof" ? "每笔账目至少需要保留一张有效的付款凭证。" : detail.invoiceCount <= 1 && !detail.invoiceMissingReason?.trim() ? "当前为该账目唯一的发票附件，删除后请补充说明无发票原因。" : "确认删除该发票附件？"}</p>{removeTarget.kind === "invoice" && detail.invoiceCount <= 1 && !detail.invoiceMissingReason?.trim() && <Textarea disabled={busy} aria-label="无发票原因" aria-invalid={Boolean(removeError)} aria-describedby={removeError ? "remove-attachment-error" : undefined} value={removeReason} onChange={value => { setRemoveReason(value); setRemoveError(""); }} placeholder="例如：商家无法开具发票" maxlength={500} />}{removeError && <div id="remove-attachment-error" className="expense-error" role="alert">{removeError}</div>}</>}</Dialog>
+    <Dialog width="880px" className="tn-dialog-xlarge" visible={Boolean(preview)} header={preview?.originalName} onClose={() => setPreview(null)} cancelBtn="关闭" footer={null}>{preview && <div className="tn-preview">{preview.mimeType.startsWith("image/") ? <img src={`/api/attachments/${preview.id}/content`} alt={preview.originalName} /> : <iframe src={`/api/attachments/${preview.id}/content`} title={preview.originalName} />}</div>}</Dialog>
  </>;
 }
@@ -143,7 +143,7 @@ export default function ExpenseDrawer({ expense, timezone = "Asia/Shanghai", onC
        {error && <div role="alert" className="expense-error"><AlertCircle size={16} />{error}</div>}
      </form>
    </Drawer>
-    <Dialog visible={Boolean(conflict)} header="记录已被更新" confirmBtn="保留当前内容" cancelBtn="加载服务器版本" onClose={() => { setConflict(null); setError("冲突提示已关闭，请再次保存以重新确认最新版本。"); }} onConfirm={() => { if (conflict) { setVersion(conflict.version); setServerInvoiceCount(conflict.invoiceCount); setConflict(null); setError("当前内容已保留，请再次保存以覆盖服务器版本。"); } }} onCancel={() => { if (conflict) { setAmount((conflict.amountCents / 100).toFixed(2)); setNote(conflict.note); setPaidAt(dateInputValue(new Date(conflict.paidAt), timezone)); setVersion(conflict.version); setServerInvoiceCount(conflict.invoiceCount); setConflict(null); } }}>另一位管理员刚刚修改了这笔账目。请选择如何处理，系统不会静默覆盖。</Dialog>
+    <Dialog width="560px" visible={Boolean(conflict)} header="记录已被更新" confirmBtn="保留当前内容" cancelBtn="加载服务器版本" onClose={() => { setConflict(null); setError("已取消冲突提示，再次点击保存将重新确认最新数据。"); }} onConfirm={() => { if (conflict) { setVersion(conflict.version); setServerInvoiceCount(conflict.invoiceCount); setConflict(null); setError("已保留您当前编辑的内容，再次点击保存将更新此账目。"); } }} onCancel={() => { if (conflict) { setAmount((conflict.amountCents / 100).toFixed(2)); setNote(conflict.note); setPaidAt(dateInputValue(new Date(conflict.paidAt), timezone)); setVersion(conflict.version); setServerInvoiceCount(conflict.invoiceCount); setConflict(null); } }}>此笔账目已被其他管理员更新。为保障财务数据准确，请选择保留您当前的编辑并覆盖，或同步加载最新版本。</Dialog>
  </>;
 }
 function focusExpenseField(errors: Partial<Record<ExpenseField, string>>) {
@@ -1,3 +1,4 @@
+import { BeamLoading } from "../../components/BeamLoading";
 import React, { useEffect, useMemo, useRef, useState } from "react";
 import { AlertCircle, ChevronLeft, ChevronRight, ClipboardList, FileDown, FileText, Pencil, Plus, RefreshCw, Search, Trash2, X } from "lucide-react";
 import { Button, Checkbox, DatePicker, Dialog, Loading, Radio, Space, Table, Tag, Tooltip } from "tdesign-react";
@@ -9,6 +10,8 @@ import AccessibleInput from "../../components/AccessibleInput";
 import { dateText, money, monthNow } from "./date";
 import type { Expense, Notify } from "./types";

+let expensesCache: { key: string; items: Expense[]; summary: { count: number; amountCents: number } } | null = null;
+
 type Props = { timezone?: string; notify?: Notify; sessionKey?: string };
 const EXPORT_JOB_STORAGE_KEY = "tallynote.exportJobId";

@@ -29,9 +32,14 @@ export default function ExpensesPage({ timezone: timezoneProp = "Asia/Shanghai",
  const query = rawQuery.slice(0, 200);
  const rawMissingInvoice = searchParams.get("missingInvoice");
  const missingInvoice = searchParams.get("missingInvoice") === "true";
-  const [queryDraft, setQueryDraft] = useState(query);
-  const [items, setItems] = useState<Expense[]>([]); const [summary, setSummary] = useState({ count: 0, amountCents: 0 }); const [loading, setLoading] = useState(false); const [error, setError] = useState(""); const [loadedFilterKey, setLoadedFilterKey] = useState<string | null>(null); const [selectedKeys, setSelectedKeys] = useState<string[]>([]); const [drawer, setDrawer] = useState<"new" | "detail" | "edit" | null>(null); const [selected, setSelected] = useState<Expense | null>(null); const [includeManifest, setIncludeManifest] = useState(false); const [exporting, setExporting] = useState<string | null>(() => savedExportJob(exportStorageKey)); const [exportIssue, setExportIssue] = useState(""); const [trashTarget, setTrashTarget] = useState<Expense | null>(null); const [trashing, setTrashing] = useState(false); const sequence = useRef(0); const exportStarting = useRef(false);
  const filterKey = `${month}|${status}|${query}|${missingInvoice ? "1" : "0"}`;
+  const isCached = expensesCache?.key === filterKey;
+  const [queryDraft, setQueryDraft] = useState(query);
+  const [items, setItems] = useState<Expense[]>(() => (isCached ? expensesCache!.items : []));
+  const [summary, setSummary] = useState(() => (isCached ? expensesCache!.summary : { count: 0, amountCents: 0 }));
+  const [loading, setLoading] = useState(() => !isCached);
+  const [error, setError] = useState("");
+  const [loadedFilterKey, setLoadedFilterKey] = useState<string | null>(() => (isCached ? filterKey : null)); const [selectedKeys, setSelectedKeys] = useState<string[]>([]); const [drawer, setDrawer] = useState<"new" | "detail" | "edit" | null>(null); const [selected, setSelected] = useState<Expense | null>(null); const [includeManifest, setIncludeManifest] = useState(false); const [exporting, setExporting] = useState<string | null>(() => savedExportJob(exportStorageKey)); const [exportIssue, setExportIssue] = useState(""); const [trashTarget, setTrashTarget] = useState<Expense | null>(null); const [trashing, setTrashing] = useState(false); const sequence = useRef(0); const exportStarting = useRef(false);
  useEffect(() => {
    const params = new URLSearchParams(searchParams);
    let changed = false;
@@ -54,8 +62,8 @@ export default function ExpensesPage({ timezone: timezoneProp = "Asia/Shanghai",
    if (next.missingInvoice ?? missingInvoice) params.set("missingInvoice", "true"); else params.delete("missingInvoice");
    setSearchParams(params);
  };
-  const load = async () => { const s = ++sequence.current; const requestedKey = filterKey; setLoading(true); setError(""); try { const result = await api<{ items: Expense[]; summary: typeof summary }>(`/api/expenses?month=${month}&status=${status}&query=${encodeURIComponent(query)}&missingInvoice=${missingInvoice}`); if (s === sequence.current) { setItems(result.items); setSummary(result.summary); setLoadedFilterKey(requestedKey); setSelectedKeys(keys => keys.filter(k => result.items.some(x => x.id === k))); } } catch (e) { if (s === sequence.current) { setItems([]); setSummary({ count: 0, amountCents: 0 }); setLoadedFilterKey(null); setError((e as Error).message); } } finally { if (s === sequence.current) setLoading(false); } };
-  useEffect(() => { setSelectedKeys([]); setItems([]); setSummary({ count: 0, amountCents: 0 }); setLoadedFilterKey(null); void load(); }, [filterKey]);
+  const load = async () => { const s = ++sequence.current; const requestedKey = filterKey; setLoading(true); setError(""); try { const result = await api<{ items: Expense[]; summary: typeof summary }>(`/api/expenses?month=${month}&status=${status}&query=${encodeURIComponent(query)}&missingInvoice=${missingInvoice}`); if (s === sequence.current) { setItems(result.items); setSummary(result.summary); setLoadedFilterKey(requestedKey); setSelectedKeys(keys => keys.filter(k => result.items.some(x => x.id === k))); expensesCache = { key: requestedKey, items: result.items, summary: result.summary }; } } catch (e) { if (s === sequence.current) { setItems([]); setSummary({ count: 0, amountCents: 0 }); setLoadedFilterKey(null); setError((e as Error).message); } } finally { if (s === sequence.current) setLoading(false); } };
+  useEffect(() => { setSelectedKeys([]); if (expensesCache?.key !== filterKey) { setItems([]); setSummary({ count: 0, amountCents: 0 }); setLoadedFilterKey(null); } void load(); }, [filterKey]);
  const selectedTotal = useMemo(() => items.filter(i => selectedKeys.includes(i.id)).reduce((sum, i) => sum + i.amountCents, 0), [items, selectedKeys]);
  const shiftMonth = (delta: number) => { const [rawYear, rawMonthNumber] = month.split("-").map(Number); const y = rawYear || new Date().getFullYear(); const m = rawMonthNumber || 1; const d = new Date(y, m - 1 + delta, 1); updateFilters({ month: `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, "0")}` }); };
  const rememberExportJob = (jobId: string | null) => {
@@ -92,14 +100,14 @@ export default function ExpensesPage({ timezone: timezoneProp = "Asia/Shanghai",
      } catch {
        if (disposed) return;
        failureCount += 1;
-        setExportIssue("网络连接不稳定，导出仍在后台进行，正在重新查询状态…");
+        setExportIssue("网络响应稍慢，数据导出仍在后台处理中，正在自动同步进度…");
        schedule(Math.min(1000 * (2 ** Math.min(failureCount, 3)), 8000));
      }
    };
    void poll();
    return () => { disposed = true; if (timer !== undefined) window.clearTimeout(timer); };
  }, [exporting, notify]);
-  const moveToTrash = async () => { if (!trashTarget) return; setTrashing(true); try { await api(`/api/expenses/${trashTarget.id}`, { method: "DELETE", body: JSON.stringify({ version: trashTarget.version }) }); notify?.("账目已移入回收站，可在回收站恢复", "success"); setTrashTarget(null); await load(); } catch (e) { notify?.((e as Error).message, "error"); } finally { setTrashing(false); } };
+  const moveToTrash = async () => { if (!trashTarget) return; setTrashing(true); try { await api(`/api/expenses/${trashTarget.id}`, { method: "DELETE", body: JSON.stringify({ version: trashTarget.version }) }); notify?.("账目已移入回收站，可随时在回收站恢复", "success"); setTrashTarget(null); await load(); } catch (e) { notify?.((e as Error).message, "error"); } finally { setTrashing(false); } };
  const columns = [
    { colKey: "row-select", type: "multiple" },
    { colKey: "paidAt", title: "支付时间", cell: ({ row }: any) => dateText(row.paidAt, timezone) },
@@ -122,10 +130,10 @@ export default function ExpensesPage({ timezone: timezoneProp = "Asia/Shanghai",
  return <div className="tn-page expenses-page"><div className="tn-page-head expenses-head"><div><h1 className="tn-page-title">账目列表</h1></div><div className="tn-page-actions"><Checkbox checked={includeManifest} onChange={setIncludeManifest}>包含 manifest.json</Checkbox><Button variant="outline" onClick={() => void exportAll()} disabled={Boolean(exporting) || (!selectedKeys.length && (!items.length || !dataReady))} icon={<FileDown size={16} />}>{exporting ? "导出中…" : selectedKeys.length ? `导出所选（${selectedKeys.length}）` : "导出筛选结果"}</Button><Button theme="primary" onClick={() => setDrawer("new")} icon={<Plus size={16} />}>新增账目</Button></div></div>
    <div className="tn-toolbar expenses-toolbar"><div className="tn-expense-month-controls"><Tooltip content="上个月"><Button variant="text" shape="square" onClick={() => shiftMonth(-1)} aria-label="上个月" icon={<ChevronLeft size={18} />} /></Tooltip><DatePicker className="tn-month-picker" mode="month" format="YYYY-MM" value={month} onChange={(value: any) => { const next = String(value || "").slice(0, 7); if (/^\d{4}-\d{2}$/.test(next)) updateFilters({ month: next }); }} placeholder="选择月份" inputProps={{ "aria-label": "账目月份" } as any} /><Tooltip content="下个月"><Button variant="text" shape="square" onClick={() => shiftMonth(1)} aria-label="下个月" icon={<ChevronRight size={18} />} /></Tooltip></div><Radio.Group className="tn-segmented" theme="button" variant="primary-filled" value={status} onChange={(value: any) => updateFilters({ status: value as "unreimbursed" | "reimbursed" })} aria-label="报销状态"><Radio.Button value="unreimbursed">未报销</Radio.Button><Radio.Button value="reimbursed">已报销</Radio.Button></Radio.Group><div className="tn-expense-search-controls"><AccessibleInput inputAriaLabel="搜索备注" className="tn-expense-search" value={queryDraft} onChange={setQueryDraft} onEnter={() => { if (queryDraft.trim() === query) void load(); else updateFilters({ query: queryDraft }); }} maxlength={200} placeholder="搜索备注" prefixIcon={<Search size={16} />} suffix={queryDraft ? <Tooltip content="清除搜索"><Button variant="text" shape="square" onClick={() => { setQueryDraft(""); updateFilters({ query: "" }); }} aria-label="清除搜索" icon={<X size={14} />} /></Tooltip> : undefined} /><Button variant="outline" onClick={() => { if (queryDraft.trim() === query) void load(); else updateFilters({ query: queryDraft }); }} disabled={loading} icon={<Search size={15} />}>搜索</Button></div><div className="tn-expense-filter-actions"><Checkbox checked={missingInvoice} onChange={checked => updateFilters({ missingInvoice: checked })}>缺发票</Checkbox><Tooltip content="刷新当前结果"><Button variant="outline" shape="square" onClick={() => void load()} disabled={loading} aria-label="刷新当前结果" icon={<RefreshCw size={15} />} /></Tooltip></div></div>
    <div className="tn-summary expenses-summary"><span>{summary.count} 笔</span><strong>{money(summary.amountCents)}</strong>{selectedKeys.length > 0 && <><span>已选 {selectedKeys.length} 笔，共 {money(selectedTotal)}</span><Button variant="text" onClick={() => setSelectedKeys([])}>清除选择</Button></>}</div>
-    {exportIssue && <div className="tn-export-status" role="status"><RefreshCw size={15} className="spin" /><span>{exportIssue}</span><Button variant="text" onClick={() => { setExportIssue(""); rememberExportJob(null); }}>停止等待</Button></div>}
+    {exportIssue && <div className="tn-export-status" role="status"><RefreshCw size={15} className="spin" /><span>{exportIssue}</span><Button variant="text" onClick={() => { setExportIssue(""); rememberExportJob(null); }}>关闭提示</Button></div>}
    {error && <div className="expense-error" role="alert"><AlertCircle size={16} />{error}<Button variant="text" onClick={() => void load()}>重试</Button></div>}
-    {error ? null : !dataReady || (loading && !items.length) ? <div className="tn-empty" role="status" aria-live="polite"><Loading text="加载中…" /></div> : !items.length ? emptyState : <div className="tn-table-wrap" role="region" aria-label="账目列表，可横向滚动查看更多列"><Table rowKey="id" data={items} columns={columns as any} selectedRowKeys={selectedKeys} onSelectChange={(keys: any[]) => setSelectedKeys(keys as string[])} hover stripe /></div>}
+    {error ? null : (!items.length && (loading || !dataReady)) ? <div className="tn-empty" role="status" aria-live="polite"><BeamLoading text="正在加载账目列表…" /></div> : !items.length ? emptyState : <div className="tn-table-wrap" role="region" aria-label="账目列表，可横向滚动查看更多列"><Table rowKey="id" data={items} columns={columns as any} selectedRowKeys={selectedKeys} onSelectChange={(keys: any[]) => setSelectedKeys(keys as string[])} hover stripe /></div>}
    {drawer === "new" && <ExpenseDrawer timezone={timezone} onClose={() => setDrawer(null)} onSaved={load} notify={notify} />}{drawer === "edit" && selected && <ExpenseDrawer timezone={timezone} expense={selected} onClose={() => setDrawer(null)} onSaved={load} notify={notify} />}{drawer === "detail" && selected && <ExpenseDetail timezone={timezone} expense={selected} onClose={() => setDrawer(null)} onUpdated={load} onRequestEdit={e => { setSelected(e); setDrawer("edit"); }} notify={notify} />}
-    {trashTarget && <Dialog visible header="移入回收站？" confirmBtn={{ content: "移入回收站", theme: "danger", loading: trashing, disabled: trashing }} cancelBtn="取消" onClose={() => { if (!trashing) setTrashTarget(null); }} onConfirm={() => void moveToTrash()} onCancel={() => { if (!trashing) setTrashTarget(null); }}>将“{trashTarget.note || `${dateText(trashTarget.paidAt, timezone)}的账目`}”移入回收站。它会从普通列表和导出结果中隐藏，附件会保留，可随时恢复。</Dialog>}
+    {trashTarget && <Dialog width="540px" visible header="移入回收站？" confirmBtn={{ content: "移入回收站", theme: "danger", loading: trashing, disabled: trashing }} cancelBtn="取消" onClose={() => { if (!trashing) setTrashTarget(null); }} onConfirm={() => void moveToTrash()} onCancel={() => { if (!trashing) setTrashTarget(null); }}>确认将“{trashTarget.note || `${dateText(trashTarget.paidAt, timezone)}的账目`}”移入回收站？移入后将不在正常列表中展示，关联附件将完整保留，可随时恢复。</Dialog>}
  </div>;
 }
@@ -53,12 +53,12 @@ export default function TrashPage({ timezone = "Asia/Shanghai", notify }: { time
    { colKey: "actions", title: "操作", width: 190, cell: ({ row }: any) => <Space className="tn-action-group"><Button variant="outline" onClick={() => void restore(row)} disabled={busy} icon={busy ? <BusyIcon /> : <RotateCcw size={15} />}>恢复</Button><Button theme="danger" variant="outline" onClick={() => { setPurgeTarget(row); setPassword(""); setPurgeError(""); }} disabled={busy} icon={<Trash2 size={15} />}>永久删除</Button></Space> },
  ];

-  return <Page title="回收站" subtitle="已删除的账目会保留附件，可恢复或经过密码确认后永久删除。" actions={<Button variant="outline" onClick={() => void load()} disabled={loading || busy} icon={<RotateCcw size={15} />}>刷新</Button>}>
+  return <Page title="回收站" subtitle="已标记删除的账目暂存于此，支持一键恢复或经安全验证后彻底清除。" actions={<Button variant="outline" onClick={() => void load()} disabled={loading || busy} icon={<RotateCcw size={15} />}>刷新</Button>}>
    <AsyncState loading={loading} error={error} empty={items.length === 0 ? <div className="tn-empty"><Trash2 size={30} /><p>回收站为空</p></div> : undefined} onRetry={() => void load()}>
      <div className="tn-table-wrap" role="region" aria-label="回收站账目列表，可横向滚动查看更多列"><Table rowKey="id" data={items} columns={columns as any} hover stripe /></div>
    </AsyncState>
-      <Dialog visible={Boolean(purgeTarget)} header="永久删除账目" confirmBtn={{ content: "永久删除", theme: "danger", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) { setPurgeTarget(null); setPurgeError(""); } }} onConfirm={() => void purge()} onCancel={() => { if (!busy) { setPurgeTarget(null); setPurgeError(""); } }}>
-      <p>此操作会移除账目和附件字节，完整审计内容仍会保留，且无法恢复。</p>
+      <Dialog width="540px" visible={Boolean(purgeTarget)} header="永久删除账目" confirmBtn={{ content: "永久删除", theme: "danger", loading: busy, disabled: busy }} cancelBtn="取消" onClose={() => { if (!busy) { setPurgeTarget(null); setPurgeError(""); } }} onConfirm={() => void purge()} onCancel={() => { if (!busy) { setPurgeTarget(null); setPurgeError(""); } }}>
+      <p>此操作将永久清除该笔账目及其关联的所有凭证与发票附件，审计日志将予以留存，清除后不可恢复。</p>
      <p className="tn-dialog-note">请输入当前管理员密码确认。</p>
      <AccessibleInput inputAriaLabel="当前管理员密码" inputAriaInvalid={Boolean(purgeError)} inputAriaDescribedby={purgeError ? "trash-purge-error" : undefined} type="password" value={password} onChange={value => { setPassword(value); setPurgeError(""); }} placeholder="当前管理员密码" autocomplete="current-password" />
      {purgeError && <div id="trash-purge-error" className="tn-inline-error" role="alert">{purgeError}</div>}
@@ -0,0 +1,283 @@
+export type MockScenario =
+  | "latest"          // 已是最新
+  | "available"       // 发现新版本（待下载）
+  | "downloading_30"  // 下载中 30%
+  | "downloading_85"  // 下载中 85% + 高速
+  | "staged"          // 下载完成已校验，待立即更新
+  | "backing_up"      // 正在备份数据
+  | "applying"        // 正在原子切换并重启中（倒计时）
+  | "completed"       // 更新完成
+  | "failed_verify"   // 完整性校验失败
+  | "disabled";       // 手动模式未配置源
+
+export interface MockUpdateState {
+  info: any;
+  title: string;
+  description: string;
+}
+
+export const MOCK_SCENARIOS: Record<MockScenario, MockUpdateState> = {
+  latest: {
+    title: "版本健康（已是最新）",
+    description: "展示当前运行版本已是最新，各项指标正常，无待处理任务",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.22",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 600_000,
+      latest: {
+        version: "1.1.22",
+        tagName: "v1.1.22",
+        releaseName: "v1.1.22 稳定版",
+        publishedAt: new Date(Date.now() - 3600_000 * 24).toISOString(),
+        compatible: true,
+        integrityReady: true,
+        signatureReady: true,
+        isNewer: false,
+        assetName: "tallynote-1.1.22-linux-x64-glibc.tar.gz",
+        assetSize: 120540160,
+        notes: "### TallyNote 1.1.22\n\n- 优化反向代理下登录兼容性\n- 增强安全审计与防重放机制\n- 前端组件性能深度优化",
+      },
+      job: null,
+    },
+  },
+  available: {
+    title: "发现新版本（待下载）",
+    description: "检查到官方发布了更高版本，显示更新日志与文件校验信息，可点击下载",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.22",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 60_000,
+      latest: {
+        version: "1.1.23",
+        tagName: "v1.1.23",
+        releaseName: "v1.1.23 重大更新",
+        publishedAt: new Date(Date.now() - 1800_000).toISOString(),
+        compatible: true,
+        integrityReady: true,
+        signatureReady: true,
+        isNewer: true,
+        assetName: "tallynote-1.1.23-linux-x64-glibc.tar.gz",
+        assetSize: 121000000,
+        notes: "### TallyNote 1.1.23\n\n- 【新功能】系统更新中心全面重构，支持动态速率流光进度条与平滑重启倒计时\n- 【交互】优化抽屉展开动效与手机端自适应导航\n- 【安全】发布包支持双重 Ed25519 签名与 SHA-256 清单交叉校验",
+      },
+      job: null,
+    },
+  },
+  downloading_30: {
+    title: "下载更新中（进度 38%）",
+    description: "展示真实下载速率、已下载字节数与动态流光进度条",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.22",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 120_000,
+      latest: {
+        version: "1.1.23",
+        tagName: "v1.1.23",
+        compatible: true,
+        integrityReady: true,
+        signatureReady: true,
+        isNewer: true,
+        assetName: "tallynote-1.1.23-linux-x64-glibc.tar.gz",
+        assetSize: 121000000,
+      },
+      job: {
+        id: "mock-job-001",
+        operation: "download",
+        status: "downloading",
+        version: "1.1.23",
+        platform: "x64/glibc",
+        assetName: "tallynote-1.1.23-linux-x64-glibc.tar.gz",
+        sizeBytes: 121000000,
+        downloadedBytes: 46200000,
+        downloadStartedAt: Date.now() - 10000,
+        downloadSpeedBps: 8800000, // 8.4 MB/s
+        createdAt: Date.now() - 10000,
+        updatedAt: Date.now(),
+      },
+    },
+  },
+  downloading_85: {
+    title: "下载冲刺中（进度 88%）",
+    description: "高速冲刺状态，即将触发 SHA-256 校验",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.22",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 120_000,
+      latest: {
+        version: "1.1.23",
+        tagName: "v1.1.23",
+        compatible: true,
+        integrityReady: true,
+        signatureReady: true,
+        isNewer: true,
+        assetName: "tallynote-1.1.23-linux-x64-glibc.tar.gz",
+        assetSize: 121000000,
+      },
+      job: {
+        id: "mock-job-002",
+        operation: "download",
+        status: "downloading",
+        version: "1.1.23",
+        platform: "x64/glibc",
+        assetName: "tallynote-1.1.23-linux-x64-glibc.tar.gz",
+        sizeBytes: 121000000,
+        downloadedBytes: 106480000,
+        downloadStartedAt: Date.now() - 15000,
+        downloadSpeedBps: 12500000, // 11.9 MB/s
+        createdAt: Date.now() - 15000,
+        updatedAt: Date.now(),
+      },
+    },
+  },
+  staged: {
+    title: "下载完成（待立即应用）",
+    description: "更新包与签名均已校验就绪，随时可以安全点击【立即更新】",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.22",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 120_000,
+      latest: {
+        version: "1.1.23",
+        tagName: "v1.1.23",
+        compatible: true,
+        integrityReady: true,
+        signatureReady: true,
+        isNewer: true,
+        assetName: "tallynote-1.1.23-linux-x64-glibc.tar.gz",
+        assetSize: 121000000,
+        notes: "### TallyNote 1.1.23\n\n- 更新包已完整解压检验通过，具备升级条件。",
+      },
+      job: {
+        id: "mock-job-003",
+        operation: "download",
+        status: "staged",
+        version: "1.1.23",
+        platform: "x64/glibc",
+        assetName: "tallynote-1.1.23-linux-x64-glibc.tar.gz",
+        sizeBytes: 121000000,
+        downloadedBytes: 121000000,
+        createdAt: Date.now() - 60000,
+        updatedAt: Date.now() - 5000,
+      },
+    },
+  },
+  backing_up: {
+    title: "数据备份中（更新保护）",
+    description: "正在为系统数据生成安全快照备份",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.22",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 120_000,
+      latest: { version: "1.1.23", tagName: "v1.1.23", compatible: true, integrityReady: true, signatureReady: true, isNewer: true },
+      job: {
+        id: "mock-job-004",
+        operation: "apply",
+        status: "backing_up",
+        version: "1.1.23",
+        platform: "x64/glibc",
+        createdAt: Date.now() - 20000,
+        updatedAt: Date.now() - 2000,
+      },
+    },
+  },
+  applying: {
+    title: "服务平滑重启中（倒计时中）",
+    description: "已安全切换版本，服务正在热重启并检验状态",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.22",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 120_000,
+      latest: { version: "1.1.23", tagName: "v1.1.23", compatible: true, integrityReady: true, signatureReady: true, isNewer: true },
+      job: {
+        id: "mock-job-005",
+        operation: "apply",
+        status: "applying",
+        version: "1.1.23",
+        platform: "x64/glibc",
+        applyQueuedAt: Date.now() - 12000,
+        restartWindowSeconds: 30,
+        restartDeadline: Date.now() + 18000,
+        createdAt: Date.now() - 25000,
+        updatedAt: Date.now() - 2000,
+      },
+    },
+  },
+  completed: {
+    title: "更新成功完成",
+    description: "新版本健康检查通过，已平滑无感升级至最新",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.23",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 30_000,
+      latest: { version: "1.1.23", tagName: "v1.1.23", compatible: true, integrityReady: true, signatureReady: true, isNewer: false },
+      job: {
+        id: "mock-job-006",
+        operation: "apply",
+        status: "completed",
+        version: "1.1.23",
+        platform: "x64/glibc",
+        completedAt: Date.now() - 10000,
+        createdAt: Date.now() - 45000,
+        updatedAt: Date.now() - 10000,
+      },
+    },
+  },
+  failed_verify: {
+    title: "更新失败状态（安全拦截）",
+    description: "模拟签名不匹配或发布包篡改时的安全拦截展示与错误提示",
+    info: {
+      configured: true,
+      strategy: "systemd",
+      currentVersion: "1.1.22",
+      platform: { target: "x64/glibc", os: "linux", arch: "x64" },
+      checkedAt: Date.now() - 120_000,
+      latest: {
+        version: "1.1.23",
+        tagName: "v1.1.23",
+        compatible: true,
+        integrityReady: false,
+        signatureReady: false,
+        isNewer: true,
+      },
+      job: {
+        id: "mock-job-007",
+        operation: "download",
+        status: "failed",
+        version: "1.1.23",
+        platform: "x64/glibc",
+        errorMessage: "发布包 SHA-256 校验与清单不一致，系统已自动阻断并保护原有数据。",
+        createdAt: Date.now() - 30000,
+        updatedAt: Date.now() - 5000,
+      },
+    },
+  },
+  disabled: {
+    title: "手动源码模式",
+    description: "未启用后台守护时的更新提示与引导说明",
+    info: {
+      configured: false,
+      strategy: "disabled",
+      currentVersion: "1.1.22",
+      platform: { target: "macOS/darwin", os: "darwin", arch: "arm64" },
+      checkedAt: Date.now() - 3600_000,
+      latest: null,
+      job: null,
+    },
+  },
+};
@@ -96,7 +96,7 @@ export async function api<T = unknown>(url: string, init: ApiRequestInit = {}):
      }
      throw new ApiError(
        response.status,
-        error?.message || `请求失败（${response.status}）`,
+        error?.message || (response.status >= 500 ? "服务器暂时繁忙，请稍后重试" : "操作未能完成，请稍后重试"),
        error?.code,
        error?.details,
        error?.requestId,
@@ -108,7 +108,7 @@ export async function api<T = unknown>(url: string, init: ApiRequestInit = {}):
    if (caught instanceof ApiError) throw caught;
    if (timedOut) throw new ApiError(408, "请求超时，请稍后重试", "REQUEST_TIMEOUT");
    if (externalSignal?.aborted) throw new ApiError(0, "请求已取消", "REQUEST_CANCELED");
-    throw new ApiError(0, "网络连接失败，请确认服务仍在运行");
+    throw new ApiError(0, "网络连接异常，请检查网络后重试");
  } finally {
    clearTimeout(timeout);
    externalSignal?.removeEventListener("abort", abortFromCaller);
@@ -771,7 +771,7 @@ function Update({ notify }: { notify: (message: string, kind?: Notice["kind"]) =
  const canApply = Boolean(info?.strategy === "systemd" && latest?.isNewer && latest.compatible && latest.integrityReady && !hasActiveJob && (!job || job.status === "failed" || job.version !== latest.version));

  return <div className="page update-page">
-    <div className="page-head"><div><div className="eyebrow">系统</div><h1>系统更新</h1></div><div className="head-actions"><Button onClick={() => void load()} disabled={loading || checking}><RotateCcw size={15} />刷新</Button><Button kind="primary" onClick={() => void check()} disabled={loading || checking || hasActiveJob}><RefreshCw size={15} className={checking ? "spin" : undefined} />检查更新</Button></div></div>
+    <div className="page-head"><div><div className="eyebrow">系统</div><h1>系统更新</h1></div><div className="head-actions"><Button onClick={() => void load()} disabled={loading || checking}><RotateCcw size={15} />刷新</Button><Button kind="primary" onClick={() => void check()} disabled={loading || checking}><RefreshCw size={15} className={checking ? "spin" : undefined} />检查更新</Button></div></div>
    {error && <div className="error banner" role="alert"><AlertCircle size={16} />{error}<button className="text-button" onClick={() => void load()}>重试</button></div>}
    {loading ? <div className="update-loading"><Loader2 className="spin" size={22} />正在读取版本信息</div> : info && <>
      <div className="update-overview">
Author	SHA1	Message	Date
Qiufeng	fa2fd94579	feat: 全量切换为完整安装包流式下载、彻底废除增量差分包、全流程实时进度可见 TallyNote release / linux-x64 (push) Successful in 7m51s Details	2026-09-04 22:58:24 +08:00
Qiufeng	05a679c2c8	fix: 补全第三步校验与准备场景卡片消除空白、优化增量文件就绪内核加速 TallyNote release / linux-x64 (push) Successful in 7m21s Details	2026-09-04 22:27:33 +08:00
Qiufeng	23e2f9c5e7	refactor: 移除安装包下载直链板块与代码块裸露链接、回归纯净专业看板布局 TallyNote release / linux-x64 (push) Successful in 7m14s Details	2026-09-04 21:29:11 +08:00
Qiufeng	484881b410	fix: 修复更新下载请求缺少确认参数导致报错、增加弹窗内嵌显式错误条、统一全站通知弹窗右上角对齐 TallyNote release / linux-x64 (push) Successful in 7m23s Details	2026-09-04 20:27:17 +08:00
Qiufeng	32f768c8ee	perf: 页面切换零延迟渲染、消除动态 chunk 加载白屏与二次 loading 闪烁、重构微滑淡入过渡 TallyNote release / linux-x64 (push) Failing after 9m14s Details	2026-09-04 17:29:52 +08:00
Qiufeng	db37406498	fix: 修复极光光流条未声明变量导致透明静止、重构流光动效为显式光晕与平滑位移 TallyNote release / linux-x64 (push) Successful in 20m31s Details	2026-09-04 17:14:40 +08:00
Qiufeng	2accca9a22	chore(release): 1.1.36 - 应用内流式直连下载、透明化直链与排队卡死彻底修复 TallyNote release / linux-x64 (push) Successful in 6m21s Details	2026-09-04 16:51:43 +08:00
Qiufeng	c791dc4915	chore(release): 1.1.35 - 系统更新看板化重构、消除弹窗抖动与排队卡死 TallyNote release / linux-x64 (push) Successful in 6m27s Details	2026-09-04 15:18:39 +08:00
Qiufeng	b46a7ddc87	fix: 优化电脑端弹窗尺寸并彻底修复系统更新排队调度卡死问题 TallyNote release / linux-x64 (push) Successful in 6m46s Details	2026-09-04 14:24:54 +08:00
Qiufeng	1ecb783d0c	chore(release): 1.1.33 - 全面重塑系统商务与专业化文案 TallyNote release / linux-x64 (push) Successful in 7m1s Details	2026-09-04 14:01:58 +08:00
Qiufeng	60c0519ac7	fix: run release tests in one thread TallyNote release / linux-x64 (push) Successful in 7m50s Details	2026-09-04 13:19:34 +08:00
Qiufeng	32a73c5b50	release: 1.1.31 with detailed release notes TallyNote release / linux-x64 (push) Failing after 9m7s Details	2026-09-04 13:06:44 +08:00
Qiufeng	45de0ef759	fix: use stable vitest thread pool in releases TallyNote release / linux-x64 (push) Failing after 8m51s Details	2026-09-04 12:55:17 +08:00
Qiufeng	65b5d95937	fix: omit empty release note sections TallyNote release / linux-x64 (push) Failing after 8m51s Details	2026-09-04 12:42:45 +08:00
Qiufeng	89a8edad88	fix: stabilize release test workers TallyNote release / linux-x64 (push) Successful in 8m25s Details	2026-09-04 12:15:29 +08:00
Qiufeng	283c1d77b4	fix: generate detailed markdown release notes TallyNote release / linux-x64 (push) Failing after 8m37s Details	2026-09-04 10:43:45 +08:00
Qiufeng	f060f917a0	release: 1.1.26 TallyNote release / linux-x64 (push) Successful in 6m41s Details	2026-09-04 01:13:42 +08:00
Qiufeng	704740182a	fix: hide stale update failures on status load	2026-09-04 01:08:46 +08:00
Qiufeng	a61860fcb3	refactor: move update pipeline into dialog	2026-09-04 01:02:12 +08:00
Qiufeng	340d9b5245	feat: add lightweight application updates TallyNote release / linux-x64 (push) Failing after 8m43s Details	2026-09-03 23:32:16 +08:00
Qiufeng	5d02fa5769	fix: simplify update metrics TallyNote release / linux-x64 (push) Successful in 7m2s Details	2026-09-03 21:58:37 +08:00
Qiufeng	526b2df8ea	feat: refine update center and release notes TallyNote release / linux-x64 (push) Successful in 6m55s Details	2026-09-03 21:31:39 +08:00
Qiufeng	4f9629b089	fix: allow reverse proxy login TallyNote release / linux-x64 (push) Successful in 6m56s Details	2026-09-03 15:27:10 +08:00
Qiufeng	36c2ed1361	fix: show completed download progress TallyNote release / linux-x64 (push) Successful in 7m0s Details	2026-09-03 15:02:44 +08:00
Qiufeng	755b82d2e5	chore: align package version with v1.1.21 TallyNote release / linux-x64 (push) Successful in 7m27s Details	2026-09-03 14:55:38 +08:00
Qiufeng	0bdc812935	fix: support proxied origins and update progress TallyNote release / linux-x64 (push) Failing after 11s Details	2026-09-03 14:54:30 +08:00
Qiufeng	2de08f1358	chore: bump release to 1.1.20 TallyNote release / linux-x64 (push) Successful in 6m45s Details	2026-09-03 13:42:57 +08:00
Qiufeng	91621df6c4	fix: recover stuck update queue TallyNote release / linux-x64 (push) Successful in 6m34s Details	2026-09-03 12:39:44 +08:00
Qiufeng	0690fe298c	fix: initialize optional origin port TallyNote release / linux-x64 (push) Successful in 6m49s Details	2026-09-03 08:22:46 +08:00
Qiufeng	6a0d9e34dd	fix: make admin wrapper fixture portable in CI TallyNote release / linux-x64 (push) Failing after 3m6s Details	2026-09-03 08:10:52 +08:00