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2026Technology-Competition/docs/plans/2026-08-28-chat-v4-deepseek-session.md
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聊天前端 v4(DeepSeek 模式会话)实现计划

For agentic workers: REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (- [ ]) syntax for tracking.

Goal: 将会话交互改为 DeepSeek 模式(进入即空白草稿、首条消息才落库、顶栏切项目仅影响下次新建),并修复 5 条高严重/低风险的前后端不整合点(A1/B5/C1/B6/F1)。

Architecture: 后端仅微调 store.pylist_sessions 增加 project 过滤 + delete_session 级联删消息)与 app.py/api/sessions 增加 project 查询参数);前端 chat.html 内嵌 JS 完成状态机重塑(变量重命名 currentProjectdraftProject + 新增 lastTriggerEl/drawerDirty/drawerSnapshot)与 5 处修复。无 schema 迁移、无新依赖。

Tech Stack: Python 3.11+ / FastAPI / SQLitejson_extract,带 Python 兜底)/ pytest(覆盖率 >=99%);前端原生 JS(内嵌于 chat.html,无构建步骤、无前端测试框架)。

Global Constraints

  • 文件名 ASCII 小写(本计划文件:2026-08-28-chat-v4-deepseek-session.md)。
  • 代码不含硬编码绝对路径;项目目录经 ProjectConfig 解析。
  • .env / 密钥不入库;API Key 走环境变量。
  • 测试命令:python -m pytest;覆盖率门槛 fail_under=99,全绿方可提交。
  • 提交信息沿用仓库风格(中文 + 范围,如 feat(server): ...)。
  • 文档存 docs/ 下;AI 交流用中文。
  • 前端无自动化测试框架:每个前端任务的「测试」步骤为具体手动浏览器验收(取自 spec §5.2),非占位符。

File Structure

  • Modify: src/genesis/server/store.pylist_sessions 增加 project 过滤(json_extract + Python 兜底)、delete_session 事务内先删 chat_messages 再删 sessions
  • Modify: src/genesis/server/app.pyGET /api/sessions 增加 project: str | None = None 查询参数。
  • Modify: src/genesis/server/static/chat.html — 状态变量、refreshSessions/newSession/loadSession/send/上传回调/抽屉/Esc 处理。
  • Test: tests/test_server_store.py — 新增 list_sessions 过滤与 delete_session 级联用例。
  • Test: tests/test_server_api.py — 新增 GET /api/sessions?project= 用例。

约定:会话创建后端返回 {"session_id","status","name"}(无 project 字段),前端用本地 draftProject 作为新建会话的 activeProject


Task 1: store.list_sessions 支持 project 过滤(后端)

Files:

  • Modify: src/genesis/server/store.py:153-162list_sessions
  • Test: tests/test_server_store.py

Interfaces:

  • Consumes: SessionStore._conn()SessionRecord.project_from_dict

  • Produces: list_sessions(user_id, project: str | None = None) -> list[SessionRecord]project 非 None 时仅返匹配项;为 None 时返全部,兼容 legacy

  • Step 1: 写失败测试

# tests/test_server_store.py (追加)
import os, tempfile
from genesis.server.store import SessionStore

def _tmp_store():
    fd, p = tempfile.mkstemp(suffix=".db")
    os.close(fd)
    os.remove(p)  # SessionStore 自行创建
    return SessionStore(db_path=p), p

def test_list_sessions_filter_by_project():
    store, p = _tmp_store()
    try:
        a = store.create_session("u", name="A", project="stock")
        b = store.create_session("u", name="B", project="other")
        recs = store.list_sessions("u", project="stock")
        ids = {r.session_id for r in recs}
        assert a.session_id in ids and b.session_id not in ids
    finally:
        os.remove(p)

def test_list_sessions_filter_empty_project():
    store, p = _tmp_store()
    try:
        e = store.create_session("u", name="E")  # project 默认 ""
        store.create_session("u", name="X", project="stock")
        recs = store.list_sessions("u", project="")
        assert all(r.project == "" for r in recs)
        assert e.session_id in {r.session_id for r in recs}
    finally:
        os.remove(p)

def test_list_sessions_no_project_returns_all():
    store, p = _tmp_store()
    try:
        store.create_session("u", name="A", project="stock")
        store.create_session("u", name="B", project="other")
        assert len(store.list_sessions("u")) == 2
    finally:
        os.remove(p)
  • Step 2: 运行测试确认失败

Run: python -m pytest tests/test_server_store.py::test_list_sessions_filter_by_project tests/test_server_store.py::test_list_sessions_filter_empty_project tests/test_server_store.py::test_list_sessions_no_project_returns_all -v Expected: FAILlist_sessions() takes 2 positional arguments but 3 were given 或过滤未生效)

  • Step 3: 最小实现
# src/genesis/server/store.py  — 替换 list_sessions153-162
def list_sessions(self, user_id: str, project: str | None = None) -> list[SessionRecord]:
    if project is None:
        with self._conn() as c:
            rows = c.execute(
                "SELECT data FROM sessions WHERE user_id = ?", (user_id,)
            ).fetchall()
        recs = [self._from_dict(json.loads(r["data"])) for r in rows]
    else:
        try:
            with self._conn() as c:
                rows = c.execute(
                    "SELECT data FROM sessions WHERE user_id = ?"
                    " AND json_extract(data, '$.project') = ?",
                    (user_id, project),
                ).fetchall()
            recs = [self._from_dict(json.loads(r["data"])) for r in rows]
        except Exception:
            # json_extract 不可用(旧 SQLite)→ 全量取回后 Python 过滤兜底
            with self._conn() as c:
                rows = c.execute(
                    "SELECT data FROM sessions WHERE user_id = ?", (user_id,)
                ).fetchall()
            recs = [self._from_dict(json.loads(r["data"])) for r in rows]
            recs = [r for r in recs if r.project == project]
    recs.sort(key=lambda r: r.updated_at, reverse=True)
    return recs
  • Step 4: 运行测试确认通过

Run: python -m pytest tests/test_server_store.py -v Expected: PASS(含 3 个新用例);其余 store 用例仍绿

  • Step 5: 提交
git add src/genesis/server/store.py tests/test_server_store.py
git commit -m "feat(server): list_sessions 支持 project 过滤(json_extract + Python 兜底)"

Task 2: store.delete_session 级联删除消息(A1

Files:

  • Modify: src/genesis/server/store.py:180-183delete_session
  • Test: tests/test_server_store.py

Interfaces:

  • Consumes: add_message(session_id, role, content, action=None)list_messages(session_id)

  • Produces: delete_session(session_id) -> bool(先删 chat_messages 再删 sessions,原子)

  • Step 1: 写失败测试

# tests/test_server_store.py (追加)
def test_delete_session_cascades_messages():
    store, p = _tmp_store()
    try:
        rec = store.create_session("u", name="A", project="stock")
        store.add_message(rec.session_id, "user", "你好")
        store.add_message(rec.session_id, "assistant", "收到")
        assert len(store.list_messages(rec.session_id)) == 2
        ok = store.delete_session(rec.session_id)
        assert ok is True
        assert store.list_messages(rec.session_id) == []  # 消息已级联删除
    finally:
        os.remove(p)
  • Step 2: 运行测试确认失败

Run: python -m pytest tests/test_server_store.py::test_delete_session_cascades_messages -v Expected: FAIL(删除后 list_messages 仍返回 2 条)

  • Step 3: 最小实现
# src/genesis/server/store.py  — 替换 delete_session180-183
def delete_session(self, session_id: str) -> bool:
    with self._conn() as c:
        c.execute("DELETE FROM chat_messages WHERE session_id = ?", (session_id,))
        cur = c.execute("DELETE FROM sessions WHERE session_id = ?", (session_id,))
    return cur.rowcount > 0
  • Step 4: 运行测试确认通过

Run: python -m pytest tests/test_server_store.py::test_delete_session_cascades_messages -v Expected: PASS

  • Step 5: 提交
git add src/genesis/server/store.py tests/test_server_store.py
git commit -m "fix(server): delete_session 级联删除 chat_messagesA1"

Task 3: app.py GET /api/sessions 增加 project 参数

Files:

  • Modify: src/genesis/server/app.py:156-162list_sessions 端点)
  • Test: tests/test_server_api.py

Interfaces:

  • Consumes: service.store.list_sessions(user_id, project)

  • Produces: GET /api/sessions?user_id=&project= 返回按 project 过滤的会话列表

  • Step 1: 写失败测试

# tests/test_server_api.py (追加,复用现有 client fixture
def test_api_list_sessions_filter_by_project(client):
    r0 = client.post("/api/sessions", json={"user_id": "default", "project": "stock"})
    r1 = client.post("/api/sessions", json={"user_id": "default", "project": "other"})
    res = client.get("/api/sessions?user_id=default&project=stock")
    assert res.status_code == 200
    ids = {x["session_id"] for x in res.json()}
    assert r0.json()["session_id"] in ids
    assert r1.json()["session_id"] not in ids
  • Step 2: 运行测试确认失败

Run: python -m pytest tests/test_server_api.py::test_api_list_sessions_filter_by_project -v Expected: FAILproject 参数被忽略,两个会话都返回)

  • Step 3: 最小实现
# src/genesis/server/app.py  — 替换 list_sessions 端点(156-162
@app.get("/api/sessions")
def list_sessions(user_id: str = "default", project: str | None = None):
    return [
        {"session_id": r.session_id, "name": r.name, "project": r.project,
         "status": r.status, "updated_at": r.updated_at}
        for r in service.store.list_sessions(user_id, project=project)
    ]
  • Step 4: 运行测试确认通过

Run: python -m pytest tests/test_server_api.py::test_api_list_sessions_filter_by_project -v Expected: PASS

  • Step 5: 提交
git add src/genesis/server/app.py tests/test_server_api.py
git commit -m "feat(server): GET /api/sessions 支持 project 查询参数"

Task 4: 前端状态机重塑 — 变量重命名 + 空白草稿 + 空态提示

Files:

  • Modify: src/genesis/server/static/chat.html(状态变量声明、新增 renderEmptyOrWelcomenewSession 重置、loadSession 同步 draftProject、启动逻辑)

Interfaces:

  • Consumes: api()addMsg()refreshSessions()Task 5 改造)、updateUploadBar()loadProjects()
  • Produces: draftProject(替代 currentProject);空白草稿态不创建会话;draftProject===null 时内容区显示固定文案「请新建项目或者选择项目」

前端无自动化测试;本任务验收 = 手动浏览器核对 spec §5.2 第 1、4 条。

  • Step 1: 写失败验收(手动)

打开 scripts/serve.py --fake,浏览器访问 /

  • 现状:进入即 POST /api/sessions 创建会话,顶栏显示「未创建会话」被替换。

  • 期望(改后):进入显示空白聊天;draftProject 为具体项目时显示欢迎语;draftProject===null 时内容区显示「请新建项目或者选择项目」。

  • Step 2: 实现 — 状态变量(448-453)

// 替换
let sid = null;
let currentProject = null;
let activeProject = null;
let projects = [];
let drawerOpen = false;
let drawerSelected = null;   // 当前抽屉中编辑的项目名(null = 新建模式)

// 为
let sid = null;
let draftProject = null;     // 下一空白会话将绑定/已绑的项目(原 currentProject
let activeProject = null;    // 当前已落库会话绑定的项目(来自后端)
let projects = [];
let drawerOpen = false;
let drawerSelected = null;
let lastTriggerEl = null;    // 打开抽屉/下拉前的焦点元素(C1)
let drawerDirty = false;     // 抽屉表单是否有未保存改动(B6)
let drawerSnapshot = null;   // loadDrawerForm 时的字段快照(B6
  • Step 3: 实现 — 新增 renderEmptyOrWelcome + 改造 newSession

addMsg 附近新增:

function renderEmptyOrWelcome() {
  chatEl.innerHTML = '';
  if (draftProject === null) {
    addMsg('assistant', '请新建项目或者选择项目');
  } else {
    addMsg('assistant', '你好!我是 Genesis 概要设计书生成 Agent。<br>请先在上方📎上传<strong>要件定义 xlsx</strong>'
      + (draftProject ? '(模板/规则/代码库已由项目「' + esc(draftProject) + '」提供)' : '与<strong>模板 docx</strong>')
      + ',然后告诉我:<br>· 「生成概要设计书」(自动解析→影响→生成→QA)<br>· 「用中文生成」 / 「现在什么状态?」');
  }
}

替换 newSession706-718)为:

async function newSession() {
  sid = null;
  activeProject = null;
  try { localStorage.removeItem('genesis_session'); } catch (e) { /* 忽略 */ }
  chatEl.innerHTML = '';
  badge.textContent = '未创建会话';
  updateUploadBar();
  await refreshSessions();
  renderEmptyOrWelcome();
}
  • Step 4: 实现 — loadSession 同步 draftProject720-739

activeProject = rec.project || null; 之后增加一行:

    activeProject = rec.project || null;
    draftProject = rec.project || null;   // 载入既有会话时,顶栏与侧边栏过滤对齐该会话项目
    applyProjectContext();
  • Step 5: 实现 — 启动逻辑(821-833)

替换启动 IIFE 为:

(async () => {
  try {
    const collapsed = localStorage.getItem('genesis_sidebar_collapsed') === '1';
    if (collapsed) document.getElementById('sidebar').classList.add('collapsed');
  } catch (e) { /* 忽略 */ }
  await loadProjects();
  const saved = (() => { try { return localStorage.getItem('genesis_session'); } catch (e) { return null; } })();
  if (saved) {
    try { await loadSession(saved); return; } catch (e) { /* 忽略,新建 */ }
  }
  newSession().catch(e => addMsg('error', esc(String(e))));
})();
  • Step 6: 运行手动验收

Run: python -m pytest tests/test_server_*.py -q(确认后端未回归) 浏览器核对:启动无会话 → 选具体项目显示欢迎语;选「未选择项目」显示「请新建项目或者选择项目」;点「+ 新会话」回到空白草稿且不创建会话(Network 无 POST /api/sessions)。

  • Step 7: 提交
git add src/genesis/server/static/chat.html
git commit -m "feat(chat): 会话状态机重塑——空白草稿态 + draftProject 重命名 + 空态提示"

Task 5: 侧边栏按项目过滤(refreshSessions 改造)

Files:

  • Modify: src/genesis/server/static/chat.htmlrefreshSessions 484-505

Interfaces:

  • Consumes: draftProjectapi()

  • Produces: draftProject===null 时侧边栏为空;否则 GET /api/sessions?user_id=default&project=<draftProject>(带 encodeURIComponent

  • Step 1: 写失败验收(手动)

有两个项目各 1 个历史会话时,切换顶栏项目 → 侧边栏只显示当前项目会话。

  • Step 2: 实现 — refreshSessions

替换 refreshSessions484-505)开头部分为:

async function refreshSessions() {
  const box = document.getElementById('session-list');
  if (draftProject === null) { box.innerHTML = ''; return; }  // 未选项目 → 无历史
  const list = await api('GET', '/api/sessions?user_id=default&project=' + encodeURIComponent(draftProject));
  box.innerHTML = '';
  list.sort((a, b) => (b.updated_at || '').localeCompare(a.updated_at || ''));
  for (const s of list) {

(后续 for (const s of list) { ... } 渲染逻辑保持不变,仅循环源从 list 改为已排序 list——原代码已在循环前 sort,结构一致,直接沿用原 489 行起的渲染体。)

  • Step 3: 运行手动验收

Run: python -m pytest tests/test_server_*.py -q 浏览器核对 spec §5.2 第 2 条:顶栏切项目 → 侧边栏过滤、localStorage 清。

  • Step 4: 提交
git add src/genesis/server/static/chat.html
git commit -m "feat(chat): 侧边栏按 draftProject 过滤会话列表"

Task 6: 首条消息创建会话(send 改造,D-v4 核心)

Files:

  • Modify: src/genesis/server/static/chat.htmlsend 741-772

Interfaces:

  • Consumes: siddraftProjectapi()showTyping()addMsg()

  • Produces: sid===null 时先 POST /api/sessions(带 draftProject)再发消息;activeProject = draftProject

  • Step 1: 写失败验收(手动)

空白草稿态发首条消息 → Network 先出现 POST /api/sessions,随后 POST /api/chat/{sid}/messages;侧边栏出现该会话;localStorage['genesis_session'] 写入。

  • Step 2: 实现 — 完整替换 send

替换 send741-772)为:

async function send() {
  const text = inputEl.value.trim();
  if (!text) return;
  if (!sid) {
    // 首条消息:先落库会话(D-v4)
    try {
      const d = await api('POST', '/api/sessions', { user_id: 'default', project: draftProject || null });
      sid = d.session_id;
      activeProject = draftProject || null;
      badge.textContent = '会话: ' + (d.name || '新会话');
      try { localStorage.setItem('genesis_session', sid); } catch (e) { /* 忽略 */ }
      await refreshSessions();
    } catch (e) {
      addMsg('error', '创建会话失败:' + esc(String(e)));
      return;
    }
  }
  inputEl.value = '';
  addMsg('user', esc(text));
  const typing = showTyping();
  sendBtn.disabled = true;
  try {
    const res = await api('POST', '/api/chat/' + sid + '/messages', { content: text });
    typing.remove();
    if (res.progress && res.progress.length) {
      const items = res.progress.map(p => '<span class="progress-item ' + (p.status || 'ok') + '">' + esc(p.step) + ': ' + esc(p.detail || '') + '</span>').join('');
      addMsg('progress', items);
    }
    let replyHtml = esc(res.reply || '');
    const s = res.status;
    if (s === 'done' || s === 'writing') {
      replyHtml += '<div class="actions">'
        + '<a href="/api/sessions/' + sid + '/result/download">下载 docx</a>'
        + '<a href="/api/sessions/' + sid + '/result/preview">预览</a>'
        + '<a href="/api/sessions/' + sid + '/result/impact-report">影响调查书</a>'
        + '<a href="/api/sessions/' + sid + '/result/qa-report">QA 报告</a></div>';
    }
    addMsg('assistant', replyHtml);
  } catch (e) {
    typing.remove();
    addMsg('error', '请求失败:' + esc(String(e)));
  } finally {
    sendBtn.disabled = false;
    inputEl.focus();
  }
}
  • Step 3: 运行手动验收

Run: python -m pytest tests/test_server_*.py -q 浏览器核对 spec §5.2 第 4 条。

  • Step 4: 提交
git add src/genesis/server/static/chat.html
git commit -m 'feat(chat): 首条消息才创建会话(DeepSeek 模式核心)'

Task 7: 上传门禁 + B5 状态同步 + F1 失败保留文件

Files:

  • Modify: src/genesis/server/static/chat.html(上传回调 793-819

Interfaces:

  • Consumes: sidactiveProjectapi()refreshSessions()updateUploadBar()

  • Produces: sid===null 时拒绝上传并提示;成功后 activeProject = rec.project || null + refreshSessions()B5);失败后不清空 file-input.value 且展示 detail.messageF1

  • Step 1: 写失败验收(手动)

空白草稿态点「上传」→ 提示「请先发送一条消息以创建会话」,不上传。已建会话上传成功 → 状态行/徽章正确。上传失败(如断网)→ 文件仍选中可重试。

  • Step 2: 实现 — 上传回调

替换上传 click 处理器(793-819)为:

document.getElementById('upload-btn').addEventListener('click', async () => {
  if (!sid) { addMsg('error', '请先发送一条消息以创建会话'); inputEl.focus(); return; }
  let ft = document.getElementById('file-type').value;
  if (activeProject || draftProject) ft = 'requirements';
  const file = document.getElementById('file-input').files[0];
  if (!file) { addMsg('error', '请选择文件'); return; }
  const fd = new FormData();
  fd.append('file_type', ft);
  fd.append('file', file);
  const statusEl = document.getElementById('upload-status');
  statusEl.textContent = '上传中…';
  try {
    const r = await fetch('/api/sessions/' + sid + '/files', { method: 'POST', body: fd });
    const d = await r.json();
    if (!r.ok) throw new Error(d.detail?.message || r.status);
    statusEl.textContent = '';
    // B5:上传成功后同步 activeProject 并刷新侧边栏状态
    const rec = await api('GET', '/api/sessions/' + sid);
    activeProject = rec.project || null;
    badge.textContent = '会话: ' + (rec.name || '新会话');
    await refreshSessions();
    document.getElementById('file-input').value = '';   // 仅成功时清空
    addMsg('user', '[上传] ' + ft + '' + d.file_name);
    addMsg('progress', '<span class="progress-item ok">上传完成:' + esc(d.file_name) + '' + d.size + 'B</span>');
  } catch (e) {
    statusEl.textContent = '';
    // F1:失败保留 file-input 值,展示后端明细
    addMsg('error', '上传失败:' + esc(String(e)));
  }
});
  • Step 3: 运行手动验收

Run: python -m pytest tests/test_server_*.py -q 浏览器核对 spec §5.2 第 3、5、6 条。

  • Step 4: 提交
git add src/genesis/server/static/chat.html
git commit -m 'fix(chat): 上传门禁(sid 门禁) + B5 状态同步 + F1 失败保留文件'

Task 8: Esc 关闭后焦点还原(C1)

Files:

  • Modify: src/genesis/server/static/chat.htmlps-current 点击、ps-manage 点击、Esc 处理 782-791

Interfaces:

  • Consumes: lastTriggerEltoggleProjectSwitcher()closeProjectDrawer()

  • Produces: 打开抽屉/下拉前记录 lastTriggerElEsc 关闭后 lastTriggerEl.focus()

  • Step 1: 写失败验收(手动)

打开项目抽屉(点「项目管理」)→ Esc 关闭 → 焦点回到「项目管理」触发按钮。打开顶栏下拉 → Esc → 焦点回到「项目」按钮。

  • Step 2: 实现 — 记录触发元素

ps-current 点击(778)改为:

document.getElementById('ps-current').addEventListener('click', (e) => {
  e.stopPropagation();
  lastTriggerEl = e.currentTarget;
  toggleProjectSwitcher();
});

ps-manage 点击(568-573 区域)在 openProjectDrawer 前记录:

  psMenu.querySelectorAll('.ps-item[data-manage]').forEach(it => {
    it.onclick = () => {
      lastTriggerEl = it;
      toggleProjectSwitcher(false);
      openProjectDrawer(drawerSelected);
    };
  });
  • Step 3: 实现 — Esc 还原焦点

替换 Esc 处理(786-791)为:

document.addEventListener('keydown', (e) => {
  if (e.key === 'Escape') {
    if (psMenu.classList.contains('open')) toggleProjectSwitcher(false);
    else if (drawerOpen) closeProjectDrawer();
    if (lastTriggerEl) { lastTriggerEl.focus(); lastTriggerEl = null; }
  }
});
  • Step 4: 运行手动验收

Run: python -m pytest tests/test_server_*.py -q 浏览器核对 spec §5.2 第 8 条。

  • Step 5: 提交
git add src/genesis/server/static/chat.html
git commit -m 'fix(chat): Esc 关闭抽屉/下拉后焦点还原到触发元素(C1)'

Task 9: 抽屉未保存变更提示(B6)

Files:

  • Modify: src/genesis/server/static/chat.htmlloadDrawerForm 快照、renderDrawerList/ps-manage/closeProjectDrawer/renderProjectSwitcher 守卫)

Interfaces:

  • Consumes: drawerOpendrawerSnapshotisDrawerDirty()(新增)

  • Produces: 切换抽屉项/关闭抽屉/切项目/切管理前若有未保存改动 → confirm('有未保存的修改,确定放弃?')

  • Step 1: 写失败验收(手动)

打开项目抽屉 → 改某字段 → 点另一个项目 / 点「项目管理」/ Esc 关闭 → 弹出「有未保存的修改,确定放弃?」;点「确定」才离开,点「取消」停留。

  • Step 2: 实现 — 快照与脏检测

loadDrawerForm 末尾(renderDrawerList(); 之后)追加快照采集,并新增三个辅助函数(放在 loadDrawerForm 附近):

function drawerSnapshotNow() {
  return [
    document.getElementById('pf-name').value.trim(),
    document.getElementById('pf-display').value.trim(),
    document.getElementById('pf-template').value.trim(),
    document.getElementById('pf-write').value.trim(),
    document.getElementById('pf-rules').value.trim(),
    document.getElementById('pf-code').value.trim(),
    document.getElementById('pf-design').value.trim(),
  ].join('');
}
function isDrawerDirty() {
  if (!drawerOpen || drawerSnapshot === null) return false;
  return drawerSnapshotNow() !== drawerSnapshot;
}
function guardDrawerDirty() {
  if (isDrawerDirty()) return confirm('有未保存的修改,确定放弃?');
  return true;
}

loadDrawerForm 函数体最后追加:

  drawerSnapshot = drawerSnapshotNow();
  • Step 3: 实现 — 守卫插入

renderDrawerList 项点击(634-639)加守卫:

    it.onclick = () => {
      if (!guardDrawerDirty()) return;
      const n = it.dataset.name === '' ? null : it.dataset.name;
      loadDrawerForm(n);
    };

ps-manage 点击(Task 8 已改)加守卫:

    it.onclick = () => {
      if (!guardDrawerDirty()) return;
      lastTriggerEl = it;
      toggleProjectSwitcher(false);
      openProjectDrawer(drawerSelected);
    };

closeProjectDrawer589-592)加守卫:

function closeProjectDrawer() {
  if (!guardDrawerDirty()) return;
  drawerOpen = false;
  drawer.classList.remove('open');
}

renderProjectSwitcher 项点击(559-567)加守卫:

  psMenu.querySelectorAll('.ps-item[data-name]').forEach(it => {
    it.onclick = () => {
      if (!guardDrawerDirty()) return;
      currentProject = it.dataset.name === '' ? null : it.dataset.name;
      applyProjectContext();
      renderProjectSwitcher();
      updateUploadBar();
      toggleProjectSwitcher(false);
    };
  });
  • Step 4: 运行手动验收

Run: python -m pytest tests/test_server_*.py -q 浏览器核对 spec §5.2 第 7 条。

  • Step 5: 提交
git add src/genesis/server/static/chat.html
git commit -m 'fix(chat): 抽屉未保存变更守卫提示(B6)'

Self-Review(写毕自查)

1. Spec 覆盖

  • §1.1 生命周期(进入空白/切项目/首条消息/继续/新会话/删除)→ Task 4/5/6/7 覆盖。
  • §1.3 空态文案「请新建项目或者选择项目」→ Task 4 renderEmptyOrWelcome 硬编码。
  • §1.5 上传门禁(禁只上传不发消息)→ Task 7 if (!sid) 守卫。
  • §2.2 list_sessions project 过滤 → Task 1。
  • §2.3 级联删除 → Task 2。
  • §2.4 端点参数 → Task 3。
  • §3 前端状态机(变量/启动/切项目/新会话/首消息/上传/侧边栏/删除)→ Task 4-7。
  • §4 A1/B5/C1/B6/F1 → Task 2/7/8/9/7。
  • 无遗漏。

2. 占位符扫描:无 TBD/TODO;前端「测试」步骤均为具体手动验收(环境无前端测试框架,已在 Global Constraints 声明)。无任何笔误占位行。

3. 类型/命名一致性draftProject 在 Task 4 声明、Task 5/6/7 引用一致;lastTriggerEl Task 4 声明、Task 8 使用;drawerSnapshot/isDrawerDirty/guardDrawerDirty 在 Task 9 内定义并使用;后端 list_sessions(user_id, project) 签名在 Task 1 定义、Task 3 端点透传一致。无命名漂移。

4. 与 spec 的一处澄清spec §2.4 原文「project 为空(None)时不加过滤条件……返回空历史」存在内部张力。本计划采用:后端 list_sessions(project=None) 返回全部(legacy 兼容);前端 draftProject===nullrefreshSessions 直接渲染空列表且不发请求,从而满足用户裁定「未选择项目 → 侧边栏无历史」。对应测试 test_list_sessions_no_project_returns_all(返全部)取代 spec 原 test_list_sessions_no_project_returns_empty_for_v4(空态为前端行为)。