feat: rename bugfix-ship/requirement-flow to short-ship/long-ship with shared ship records

short-ship and long-ship share one ship-id record under .pouch/ship/<id>/.
specifier writes PRDs into spec/; delivery-loop appends evidence pointers.
Old names stay as deprecation stubs so existing installs keep working.

README.md

@@ -97,9 +97,16 @@ AGENTS.md         # 详细规范与架构说明
 | [orc](skills/orc/README.md)                                             | 把开发、发版、DEB / Docker 意图编排成阶段，按档位分发给对应 skill  |
 | [pouch](skills/pouch/README.md)                                         | 创建、校验、安装和维护 builtin skill                   |
 | [previewer](skills/previewer/README.md)                                 | 用 Node 渲染 HTML/静态文件，并通过 Tailscale 返回访问 IP 和 HTTP 预览 |
+| [pr-ship](skills/pr-ship/README.md)                                     | 把已有 PR 从检查、合并推进到回归、构建和部署 |
 | [releaser](skills/releaser/README.md)                                   | 给已准备好的 commit 发版本：更新说明、tag、可选 Forge Release |
-| [specifier](skills/specifier/README.md)                                 | 把复杂需求整理成多轮评审的 HTML PRD，并在批准后生成 ACK handoff |
+| [ship](skills/ship/README.md)                                           | short-ship / long-ship / pr-ship 共用的交付记录格式 |
+| [short-ship](skills/short-ship/README.md)                               | 范围清楚的单次变更：小功能、文案、已确认 bug |
+| [long-ship](skills/long-ship/README.md)                                 | 复杂需求：PRD 批准后拆任务、集成回归并交付 |
+| [specifier](skills/specifier/README.md)                                 | 把复杂需求整理成多轮评审的 HTML PRD，批准后交给 long-ship |
+| [delivery-loop](skills/delivery-loop/README.md)                         | 三个交付入口共用的验证到部署状态机 |
 | [manage-release](skills/manage-release/README.md)                       | 已弃用：`releaser` 的旧名兼容占位，不含流程                  |
+| [bugfix-ship](skills/bugfix-ship/README.md)                             | 已弃用：`short-ship` 的旧名兼容占位，不含流程 |
+| [requirement-flow](skills/requirement-flow/README.md)                   | 已弃用：`long-ship` 的旧名兼容占位，不含流程 |
 
 
 ACK 是包含规范、模板与校验脚本的完整 Skill。安装后可初始化当前项目状态：