feat(chat): add temporary chat mode

Author: BlueSkyXN

apps/api/routers/chat.py

@@ -27,27 +27,30 @@ def query(payload: ChatQuery, request: Request, user: dict = Depends(get_current
     version = db.one("SELECT * FROM agent_versions WHERE id=?", [agent["default_version_id"]])
     if not version:
         raise HTTPException(status_code=404, detail="Agent version not found")
-    session_id = payload.session_id
+    temporary_chat = bool((payload.context or {}).get("temporary_chat"))
+    session_id = None if temporary_chat else payload.session_id
     if session_id:
         existing_session = db.one("SELECT * FROM sessions WHERE id=?", [session_id])
         if not existing_session or existing_session["user_id"] != user["id"]:
             raise HTTPException(status_code=403, detail="No permission to use this session")
         if existing_session.get("agent_id") and existing_session["agent_id"] != agent["id"]:
             raise HTTPException(status_code=400, detail="Session is bound to a different agent")
-    else:
+    elif not temporary_chat:
         session_id = db.new_id("session")
         t = db.now()
         db.insert("sessions", {"id": session_id, "user_id": user["id"], "agent_id": agent["id"], "title": payload.message[:30], "status": "active", "created_at": t, "updated_at": t})
-    db.insert("messages", {"id": db.new_id("msg"), "session_id": session_id, "role": "user", "content": payload.message, "content_type": "text", "created_at": db.now()})
+    if not temporary_chat:
+        db.insert("messages", {"id": db.new_id("msg"), "session_id": session_id, "role": "user", "content": payload.message, "content_type": "text", "created_at": db.now()})
     trace_id = trace_service.create_trace(user["id"], payload.message, agent_id=agent["id"], session_id=session_id, agent_version=version["version"], request_id=getattr(request.state, "request_id", ""))
     start = time.time()
     try:
         output = adapters.call_adapter(agent, version, payload.message, trace_id, payload.context, user=user)
         duration = int((time.time() - start) * 1000)
         trace_service.finish_trace(trace_id, output, "success", duration)
-        db.insert("messages", {"id": db.new_id("msg"), "session_id": session_id, "role": "assistant", "content": json.dumps(output, ensure_ascii=False), "content_type": "agent_result", "created_at": db.now()})
-        db.update("sessions", "id", session_id, {"updated_at": db.now()})
-        audit("chat_query", user, "agent", agent["id"], {"trace_id": trace_id, "message": payload.message}, request)
+        if not temporary_chat:
+            db.insert("messages", {"id": db.new_id("msg"), "session_id": session_id, "role": "assistant", "content": json.dumps(output, ensure_ascii=False), "content_type": "agent_result", "created_at": db.now()})
+            db.update("sessions", "id", session_id, {"updated_at": db.now()})
+        audit("chat_query", user, "agent", agent["id"], {"trace_id": trace_id, "message": payload.message, "temporary_chat": temporary_chat}, request)
         return {"session_id": session_id, "trace_id": trace_id, "result": output}
     except Exception as exc:
         duration = int((time.time() - start) * 1000)

apps/web/static/app.js

@@ -17,6 +17,7 @@ let sessionSearchCache = {};
 let answerDraftCache = {};
 let activeSessionId = '';
 let activeChatMessages = [];
+let temporaryChat = false;
 let chatCanvasDraft = '';
 let chatCanvasVersions = [];
 let chatCanvasVersionIndex = -1;
@@ -1666,7 +1667,7 @@ function renderChat(){
       ${renderContextPackPanel()}
     </aside>
     <section class="chat-stage">
-      <div class="chat-stage-head"><div><span>Data Agent</span><b id="chatSessionTitle">新对话</b></div><div class="chat-stage-actions"><div class="tool-strip" id="toolMode"><button class="active" data-mode="auto" onclick="setToolMode('auto',this)">自动</button><button data-mode="analysis" onclick="setToolMode('analysis',this)">分析</button><button data-mode="sql" onclick="setToolMode('sql',this)">SQL</button><button data-mode="codex" onclick="setToolMode('codex',this)">Codex</button></div><div class="brief-strip" aria-label="会话 Brief 操作"><button onclick="writeChatBriefToCanvas(this)">生成 Brief</button><button onclick="copyChatBrief(this)">复制 Brief</button><button onclick="downloadChatBriefMarkdown(this)">下载 Brief</button></div></div></div>
+      <div class="chat-stage-head"><div><span>Data Agent</span><b id="chatSessionTitle">${temporaryChat?'临时对话':'新对话'}</b></div><div class="chat-stage-actions"><div class="tool-strip" id="toolMode"><button class="active" data-mode="auto" onclick="setToolMode('auto',this)">自动</button><button data-mode="analysis" onclick="setToolMode('analysis',this)">分析</button><button data-mode="sql" onclick="setToolMode('sql',this)">SQL</button><button data-mode="codex" onclick="setToolMode('codex',this)">Codex</button></div><div class="session-mode-strip" aria-label="会话保存模式"><button id="temporaryChatButton" class="${temporaryChat?'active':''}" aria-pressed="${temporaryChat}" onclick="toggleTemporaryChat()">临时对话</button></div><div class="brief-strip" aria-label="会话 Brief 操作"><button onclick="writeChatBriefToCanvas(this)">生成 Brief</button><button onclick="copyChatBrief(this)">复制 Brief</button><button onclick="downloadChatBriefMarkdown(this)">下载 Brief</button></div></div></div>
       <div id="chatMessages" class="chat-thread">${chatEmptyState()}</div>
       <div class="composer-card">
         <div id="chatContextBar">${renderChatContextBar()}</div>
@@ -1696,6 +1697,7 @@ function renderChat(){
   </div>`;
   const router=agents.find(a=>a.id==='agent_router'); if(router) document.getElementById('chatAgent').value=router.id;
   syncChatContextBar();
+  syncTemporaryChatControls();
   syncChatBriefControls();
   refreshChatSessions().catch(()=>{document.getElementById('chatSessionList').innerHTML=emptyState('会话读取失败','仍可直接开始新对话。')});
 }
@@ -1734,12 +1736,28 @@ function renderChatContextBar(){
     ${chatContextChip('工具',toolLabels[ctx.toolMode]||ctx.toolMode,'会话模式')}
     ${chatContextChip('证据',depthLabels[ctx.evidenceDepth]||ctx.evidenceDepth,'Trace')}
     ${chatContextChip('工作包',contextPackSummaryLabel(),contextPackSummaryDetail(),contextPackHasContent()?'accent':'')}
+    ${chatContextChip('历史',temporaryChat?'临时对话':'保存会话',temporaryChat?'不写入会话库 · 保留 Trace':'可恢复 · 可搜索',temporaryChat?'accent':'')}
   </div>`;
 }
 function syncChatContextBar(){
   const box=document.getElementById('chatContextBar');
   if(box) box.innerHTML=renderChatContextBar();
 }
+function syncTemporaryChatControls(){
+  const button=document.getElementById('temporaryChatButton');
+  if(button){
+    button.classList.toggle('active',temporaryChat);
+    button.setAttribute('aria-pressed',String(temporaryChat));
+    button.title=temporaryChat?'临时对话不会写入会话库或消息历史，Trace 和审计仍会保留。':'开启临时对话';
+  }
+  const title=document.getElementById('chatSessionTitle');
+  if(title&&!activeSessionId&&temporaryChat) title.innerText='临时对话';
+}
+function toggleTemporaryChat(){
+  temporaryChat=!temporaryChat;
+  startNewChat({preserveTemporary:true});
+  toast(temporaryChat?'临时对话已开启：不会写入会话库，Trace 和审计仍保留':'临时对话已关闭：后续提问会保存为会话');
+}
 function composerContextItems(){
   const q=(composerContextFilterState.q||'').trim().toLowerCase();
   const type=composerContextFilterState.type||'all';
@@ -2744,7 +2762,8 @@ function selectedChatContext(){
   const base={
     dataset_id:document.getElementById('chatDataset')?.value||null,
     tool_mode:document.querySelector('#toolMode button.active')?.dataset.mode||'auto',
-    evidence_depth:document.getElementById('traceDepth')?.value||'standard'
+    evidence_depth:document.getElementById('traceDepth')?.value||'standard',
+    temporary_chat:temporaryChat
   };
   if(contextPackHasContent()) base.context_pack=contextPackPayload();
   return base;
@@ -2947,17 +2966,20 @@ function bindSessionToContextPack(id,btn){
     setBusy(btn,false);
   }
 }
-function startNewChat(){
+function startNewChat(opts={}){
+  if(!opts.preserveTemporary) temporaryChat=false;
   activeSessionId='';
   activeChatMessages=[];
   currentTrace=null;
   chatCanvasDraft='';
   chatCanvasVersions=[];
   chatCanvasVersionIndex=-1;
-  const title=document.getElementById('chatSessionTitle'); if(title) title.innerText='新对话';
+  const title=document.getElementById('chatSessionTitle'); if(title) title.innerText=temporaryChat?'临时对话':'新对话';
   const box=document.getElementById('chatMessages'); if(box) box.innerHTML=chatEmptyState();
   const trace=document.getElementById('traceBox'); if(trace) trace.innerHTML=emptyState('暂无 Trace','发送问题后会显示执行状态、SQL、工具调用与步骤输出。');
   setChatCanvasDraft('','Canvas 已清空',{record:false});
+  syncTemporaryChatControls();
+  syncChatContextBar();
   syncChatBriefControls();
   renderSessionList();
   requestAnimationFrame(()=>document.getElementById('chatInput')?.focus());
@@ -2971,9 +2993,11 @@ async function loadChatSession(id){
   try{
     const session=await api('/api/sessions/'+id);
     sessionSearchCache[session.id]=buildSessionSearchIndex(session);
+    temporaryChat=false;
     activeSessionId=session.id;
     const title=document.getElementById('chatSessionTitle'); if(title) title.innerText=session.title||session.id;
     const agentSelect=document.getElementById('chatAgent'); if(agentSelect&&session.agent_id) agentSelect.value=session.agent_id;
+    syncTemporaryChatControls();
     syncChatContextBar();
     const messages=session.messages||[];
     activeChatMessages=messages;
@@ -3205,6 +3229,7 @@ function stopChatGeneration(btn){
 async function sendChat(btn){
   if(chatSending){ stopChatGeneration(); return; }
   const input=document.getElementById('chatInput'); const msg=input.value.trim(); if(!msg) return; const agent_id=document.getElementById('chatAgent').value;
+  const isTemporary=temporaryChat;
   chatSending=true;
   chatAbortController=new AbortController();
   const sendButton=document.getElementById('chatSendButton')||document.querySelector('#page-chat .composer-row button');
@@ -3219,17 +3244,18 @@ async function sendChat(btn){
   const pendingId='pending-'+Date.now();
   box.innerHTML+=`<div id="${pendingId}" class="message assistant pending-message">${inlineLoading('Agent 正在路由和生成答案')}</div>`;
   try{
-    const data=await api('/api/chat/query',{method:'POST',signal:chatAbortController.signal,body:JSON.stringify({message:msg,agent_id,session_id:activeSessionId||null,context:selectedChatContext()})}); const r=data.result||{};
-    activeSessionId=data.session_id||activeSessionId;
-    const title=document.getElementById('chatSessionTitle'); if(title) title.innerText=sessionTitle({title:msg});
+    const data=await api('/api/chat/query',{method:'POST',signal:chatAbortController.signal,body:JSON.stringify({message:msg,agent_id,session_id:isTemporary?null:(activeSessionId||null),context:selectedChatContext()})}); const r=data.result||{};
+    activeSessionId=isTemporary?'':(data.session_id||activeSessionId);
+    const title=document.getElementById('chatSessionTitle'); if(title) title.innerText=isTemporary?'临时对话':sessionTitle({title:msg});
     document.getElementById(pendingId)?.remove();
-    box.innerHTML+=`<div class="message assistant rich-message">${resultHtml(r,{session_id:activeSessionId,trace_id:data.trace_id,question:msg})}</div>`;
+    box.innerHTML+=`<div class="message assistant rich-message">${resultHtml(r,{session_id:isTemporary?'':activeSessionId,trace_id:data.trace_id,question:msg})}</div>`;
     activeChatMessages.push({role:'assistant',content:JSON.stringify(r),content_type:'agent_result',created_at:new Date().toISOString()});
-    if(activeSessionId) sessionSearchCache[activeSessionId]=buildSessionSearchIndex({messages:activeChatMessages});
+    if(!isTemporary&&activeSessionId) sessionSearchCache[activeSessionId]=buildSessionSearchIndex({messages:activeChatMessages});
     syncChatBriefControls();
     await openTrace(data.trace_id);
     if(!chatCanvasValue().trim()) setChatCanvasDraft(chatCanvasTemplate('report'),'已根据本轮回答生成报告要点');
-    await refreshChatSessions();
+    if(isTemporary) renderSessionList();
+    else await refreshChatSessions();
   }catch(e){
     const stopped=e?.name==='AbortError';
     const banner=stopped

apps/web/static/styles.css

@@ -676,6 +676,9 @@ button.ghost,.prompt-pill{background:#fff;color:#2d2d2a;border-color:#e1ded6}
 .tool-strip{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
 .tool-strip button{background:#fff;color:#3d3a34;border:1px solid var(--line);border-radius:999px;padding:7px 11px;box-shadow:none}
 .tool-strip button.active{background:#171717;color:#fff;border-color:#171717}
+.session-mode-strip{display:flex;justify-content:flex-end}
+.session-mode-strip button{background:#fff7d6;color:#5f4b00;border:1px solid #ead89d;border-radius:999px;padding:6px 10px;box-shadow:none;font-size:11px}
+.session-mode-strip button.active{background:#171717;color:#fff;border-color:#171717}
 .brief-strip{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
 .brief-strip button{background:#f6f5ef;color:#3d3a34;border:1px solid var(--line);border-radius:999px;padding:6px 9px;box-shadow:none;font-size:11px}
 .brief-strip button:hover{background:#171717;color:#fff;border-color:#171717;filter:none;transform:none}
@@ -686,7 +689,7 @@ button.ghost,.prompt-pill{background:#fff;color:#2d2d2a;border-color:#e1ded6}
 .chat-welcome p{margin:0;max-width:520px;color:#6b6b62;line-height:1.6}
 .assistant-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#171717;color:#fff;font-weight:900}
 .composer-card{border-top:1px solid var(--line);padding:12px 14px;background:#fbfaf7}
-.chat-context-bar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-bottom:10px}
+.chat-context-bar{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-bottom:10px}
 .chat-context-chip{display:grid;gap:3px;min-width:0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:9px 10px;color:#3d3a34}
 .chat-context-chip.primary{background:#171717;color:#fff;border-color:#171717}
 .chat-context-chip.accent{background:#eef8f3;border-color:#cfe8dc;color:#0d6d58}
@@ -798,6 +801,7 @@ button.ghost,.prompt-pill{background:#fff;color:#2d2d2a;border-color:#e1ded6}
   .context-card{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:12px}
   .chat-stage-head{display:grid;gap:10px}
   .tool-strip{justify-content:flex-start}
+  .session-mode-strip{justify-content:flex-start}
   .chat-thread{padding:14px}
   .chat-welcome h2{font-size:24px}
   .chat-context-bar{grid-template-columns:1fr}

docs/ui-function-map.md

@@ -4,7 +4,7 @@
 
 1. **控制塔**：总体状态、Agent/Trace/SQL/Codex 指标、关键链路、快捷分析入口、任务 composer、最近会话/报告继续工作面板和最近任务队列 Trace 下钻。
 2. **Agent Studio**：按能力目录选择 Agent，支持名称/ID/Adapter 搜索、能力类型和风险筛选，右侧 inspector 查看风险、版本、知识绑定，并直接进入问数/研究。
-3. **智能问数**：左侧场景问题、可按标题和消息内容搜索/重命名/归档/项目筛选的会话库和 Project-style 工作包，中间对话与图表/表格/报告，右侧 Trace 证据链和可编辑工作 Canvas；composer 显示 Agent/数据集/工具/证据/工作包上下文，并支持 `+` 添加上下文菜单快速加入数据集、知识库、报告、切换记忆边界、带 Canvas 提问和捕获/应用工作包，支持 `/` 工具菜单直达指标解释、图表方案、SQL 草稿、Canvas 大纲、报告要点、工作包应用/捕获、深度研究、Codex 任务和数据资产。工作包支持搜索并加入数据集、知识库和报告资产，可逐项打开或移除上下文，可加入多个来源会话并在会话库中只看项目会话，可保存/加载/删除本地项目预设，可设置项目内/默认记忆边界，可把多来源会话随 `context_pack.session_ids` 提交给问数请求，可把 Canvas 草稿随 `context_pack.canvas_markdown` 提交给问数请求，可把知识库随 `context_pack.knowledge_base_ids` 一起提交给问数请求，并提供解释指标、生成图表、打开数据资产、转深度研究、创建 Codex 任务、发送中停止生成、用户问题编辑/重问/分支/写入 Canvas/复制、会话 Brief 生成/复制/下载、回答写入/追加 Canvas、提取下一步、回答后续追问建议、捕获上下文、应用工作包、生成分析大纲/SQL 草稿/报告要点、Canvas Markdown 加粗/斜体/标题/项目列表/编号列表格式化、Canvas 选区润色/补证据/压缩/展开/追问、本地版本回退、版本变化对比、保存报告草稿和下载 Markdown 的快捷动作。
+3. **智能问数**：左侧场景问题、可按标题和消息内容搜索/重命名/归档/项目筛选的会话库和 Project-style 工作包，中间对话与图表/表格/报告，右侧 Trace 证据链和可编辑工作 Canvas；composer 显示 Agent/数据集/工具/证据/工作包上下文，并支持临时对话模式（不写入会话库或消息历史，但保留 Trace 和 audit）、`+` 添加上下文菜单快速加入数据集、知识库、报告、切换记忆边界、带 Canvas 提问和捕获/应用工作包，支持 `/` 工具菜单直达指标解释、图表方案、SQL 草稿、Canvas 大纲、报告要点、工作包应用/捕获、深度研究、Codex 任务和数据资产。工作包支持搜索并加入数据集、知识库和报告资产，可逐项打开或移除上下文，可加入多个来源会话并在会话库中只看项目会话，可保存/加载/删除本地项目预设，可设置项目内/默认记忆边界，可把多来源会话随 `context_pack.session_ids` 提交给问数请求，可把 Canvas 草稿随 `context_pack.canvas_markdown` 提交给问数请求，可把知识库随 `context_pack.knowledge_base_ids` 一起提交给问数请求，并提供解释指标、生成图表、打开数据资产、转深度研究、创建 Codex 任务、发送中停止生成、用户问题编辑/重问/分支/写入 Canvas/复制、会话 Brief 生成/复制/下载、回答写入/追加 Canvas、提取下一步、回答后续追问建议、捕获上下文、应用工作包、生成分析大纲/SQL 草稿/报告要点、Canvas Markdown 加粗/斜体/标题/项目列表/编号列表格式化、Canvas 选区润色/补证据/压缩/展开/追问、本地版本回退、版本变化对比、保存报告草稿和下载 Markdown 的快捷动作。
 4. **深度研究**：研究 brief、可审批计划、历史研究任务队列、证据 Trace、报告草稿入口和取消/刷新任务。
 5. **分析面板**：物化经营总览面板、创建面板 brief、添加 Widget，并通过 SQL Guard 预校验后刷新面板证据。
 6. **数据能力**：可搜索/筛选的数据资产库、数据集详情、字段/指标、只读 SQL Workbench、数据画像、业务规则运行、质量历史复核，以及从数据集直接进入问数/研究/Codex 治理任务的上下文动作。