feat: 自定义窗口两种模式——新建专属对话 / 发送到已有会话(默认当前会话,可下拉选择)

01_content/src/client/index.tsx

@@ -263,7 +263,7 @@ function findSidebar(start: HTMLElement | null): HTMLElement | null {
 const registryStore: { ids: string[]; listeners: Set<() => void> } = { ids: [], listeners: new Set() }
 
 /** 自定义窗口 → 宿主会话桥（apply 时注入；不可用时 CustomPane 降级提示） */
-let sessionBridge: { sessions: any; conversation: any } | null = null
+let sessionBridge: { sessions: any; conversation: any; list: any } | null = null
 
 /** 自定义窗口任务：新建一个专属会话，注入工作台背景 + 用户需求，并打开该会话 */
 export async function createCustomSession(projectId: string, projectName: string, requirement: string): Promise<void> {
@@ -291,6 +291,25 @@ export async function createCustomSession(projectId: string, projectName: string
   if (!sent) await b.conversation?.send?.(text)
 }
 
+/** 把自定义需求直接发到用户选定的已有会话（默认当前会话） */
+export async function sendCustomToSession(sessionId: string, projectName: string, requirement: string): Promise<void> {
+  const b = sessionBridge
+  if (!b) throw new Error('bridge unavailable')
+  const text = [
+    '【工作台自定义窗口任务】',
+    '以下内容由 dsh-worktable（工作台）插件发送：用户正在自定义「' + projectName + '」项目中的一个窗口。',
+    '1. dsh-worktable 是侧边栏底部的自建「工作台」插件（官方文档没有它的说明，不了解之处可向用户提问）；',
+    '2. 用户需求：' + requirement,
+    '3. 请帮助完成该窗口的自定义设计（内容/页面/实现方案），该窗口位于「' + projectName + '」项目内。',
+  ].join('\n')
+  let sent = false
+  if (typeof b.conversation?.sendSession === 'function') {
+    try { await b.conversation.sendSession(sessionId, text); sent = true } catch { sent = false }
+  }
+  try { b.sessions.open?.(sessionId) } catch {}
+  if (!sent) await b.conversation?.send?.(text)
+}
+
 /** 会话作用域快照（模块级；apply 里订阅 ctx.sessions.list 写入，组件与引擎只读） */
 const sessionScopeStore: {
   snapshot: { sessionId: string; cwd: string; jobs: any[]; subagents: any[] } | null
@@ -411,6 +430,19 @@ function WorktableSection(props: any) {
           ]
         },
         currentProjectId: () => (splitStore.active && splitStore.spec ? splitStore.spec.id : null),
+        getSessions: () => {
+          try {
+            const snap = sessionBridge?.list?.getSnapshot?.()
+            const items = Array.isArray(snap?.items) ? snap.items : []
+            const current = snap?.current ?? ''
+            return items.map((it: any) => ({
+              id: it?.sessionId ?? it?.id ?? '',
+              title: it?.title ?? it?.name ?? it?.summary?.title ?? (it?.sessionId ?? it?.id ?? ''),
+              isCurrent: (it?.sessionId ?? it?.id) === current,
+            }))
+          } catch { return [] }
+        },
+        sendToSession: (sessionId, projectName, requirement) => sendCustomToSession(sessionId, projectName, requirement),
         submit: (projectId, projectName, requirement) => createCustomSession(projectId, projectName, requirement),
       },
     })
@@ -1325,8 +1357,8 @@ function WorktableSection(props: any) {
 export const inject = ['slots', 'locale', 'sessions', 'conversation']
 
 export function apply(ctx: any) {
-  // 自定义窗口 → 新建会话桥：保存宿主 sessions/conversation 服务引用（模块级）
-  sessionBridge = { sessions: ctx.sessions ?? null, conversation: ctx.conversation ?? null }
+  // 自定义窗口 → 宿主会话桥：保存 sessions/conversation/list 服务引用（模块级）
+  sessionBridge = { sessions: ctx.sessions ?? null, conversation: ctx.conversation ?? null, list: ctx.sessions?.list ?? null }
 
   ctx.effect(() => {
     const style = document.createElement('style')

01_content/src/client/locales.ts

@@ -62,7 +62,14 @@ export const zh = {
   'custom.hint': '发送后将自动新建一个会话，专门负责这个窗口的自定义设计。',
   'custom.placeholder': '告诉 AI 你想让这个窗口做什么，例如：做一个展示我旅行足迹的时间线页面…',
   'custom.project': '所属项目',
+  'custom.modeNew': '新建对话',
+  'custom.modeSend': '发送到会话',
+  'custom.session': '选择会话',
+  'custom.sessionCurrent': '（当前）',
+  'custom.hintSend': '内容将直接发送到你选择的会话（默认当前会话），用于讨论这个窗口的自定义设计。',
   'custom.send': '发送并新建对话',
+  'custom.sendToSession': '发送到该会话',
+  'custom.sent': '已发送到会话',
   'custom.done': '已新建专属对话',
   'custom.doneHint': 'AI 正在新会话中为你设计这个窗口。关闭本标签即可返回窗口选择。',
   'custom.fail': '创建对话失败',
@@ -151,7 +158,14 @@ export const en = {
   'custom.hint': 'Sending will create a new conversation dedicated to designing this pane.',
   'custom.placeholder': 'Tell the AI what you want this pane to do, e.g. a timeline page of my travels…',
   'custom.project': 'Project',
+  'custom.modeNew': 'New conversation',
+  'custom.modeSend': 'Send to a conversation',
+  'custom.session': 'Conversation',
+  'custom.sessionCurrent': ' (current)',
+  'custom.hintSend': 'The content will be sent directly to the conversation you pick (current by default).',
   'custom.send': 'Send & create conversation',
+  'custom.sendToSession': 'Send to this conversation',
+  'custom.sent': 'Sent to the conversation',
   'custom.done': 'Conversation created',
   'custom.doneHint': 'The AI is designing your pane in the new conversation. Close this tab to return to the pane picker.',
   'custom.fail': 'Failed to create conversation',

01_content/src/client/split.tsx

@@ -185,11 +185,13 @@ type SplitEnv = {
   getScope: () => SplitScope | null
   getJobs: () => SplitJob[]
   getSubagents: () => any[]
-  /** 自定义窗口：项目列表 + 当前项目 + 提交创建专属会话 */
+  /** 自定义窗口：项目列表 + 会话列表 + 当前项目 + 新建会话 / 发送到已有会话 */
   custom?: {
     getProjects: () => { id: string; name: string }[]
     currentProjectId: () => string | null
+    getSessions: () => { id: string; title: string; isCurrent: boolean }[]
     submit: (projectId: string, projectName: string, requirement: string) => Promise<void>
+    sendToSession: (sessionId: string, projectName: string, requirement: string) => Promise<void>
   }
 }
 let splitEnv: SplitEnv | null = null
@@ -1243,21 +1245,27 @@ function TextViewer(props: { path: string; fileUrl: string; isMd: boolean }) {
   )
 }
 
-/** 自定义窗口：居中对话框。用户写下需求 + 选择所属项目 → 发送 = 新建专属会话并由 AI 辅助设计。 */
+/** 自定义窗口：居中对话框。两种模式：新建专属会话 / 发送到已有会话（默认当前会话）。 */
 function CustomPane() {
   const custom = splitEnv?.custom
   const [requirement, setRequirement] = useState('')
   const [projectId, setProjectId] = useState<string | null>(null)
   const [projects, setProjects] = useState<{ id: string; name: string }[]>(() => custom?.getProjects?.() ?? [])
+  const [mode, setMode] = useState<'new' | 'existing'>('new')
+  const [sessions, setSessions] = useState<{ id: string; title: string; isCurrent: boolean }[]>(() => custom?.getSessions?.() ?? [])
+  const [sessionId, setSessionId] = useState<string | null>(null)
   const [busy, setBusy] = useState(false)
   const [done, setDone] = useState(false)
   const [fail, setFail] = useState('')
-  // 默认项目 = 当前工作区所属项目（用户刚在用的项目）
+  // 默认项目 = 当前工作区所属项目；默认会话 = 当前会话
   useEffect(() => {
     const list = custom?.getProjects?.() ?? []
     setProjects(list)
     const cur = custom?.currentProjectId?.() ?? null
     setProjectId(cur && list.some((p) => p.id === cur) ? cur : (list[0]?.id ?? null))
+    const slist = custom?.getSessions?.() ?? []
+    setSessions(slist)
+    setSessionId(slist.find((s) => s.isCurrent)?.id ?? slist[0]?.id ?? null)
   }, [custom])
   const submit = async () => {
     const text = requirement.trim()
@@ -1266,7 +1274,12 @@ function CustomPane() {
     setFail('')
     try {
       const proj = projects.find((p) => p.id === projectId)
-      await custom.submit(projectId, proj?.name ?? projectId, text)
+      const pname = proj?.name ?? projectId
+      if (mode === 'new') await custom.submit(projectId, pname, text)
+      else {
+        if (!sessionId) return
+        await custom.sendToSession(sessionId, pname, text)
+      }
       setDone(true)
     } catch (e) {
       setFail(String(e))
@@ -1281,7 +1294,7 @@ function CustomPane() {
     return (
       <div className="dsh-wt_customBox">
         <span className="dsh-wt_customDone" aria-hidden>✅</span>
-        <p className="dsh-wt_customDoneText">{T('custom.done')}</p>
+        <p className="dsh-wt_customDoneText">{mode === 'new' ? T('custom.done') : T('custom.sent')}</p>
         <p className="dsh-wt_customDoneHint">{T('custom.doneHint')}</p>
       </div>
     )
@@ -1290,7 +1303,11 @@ function CustomPane() {
     <div className="dsh-wt_customBox">
       <div className="dsh-wt_customCard">
         <span className="dsh-wt_customTitle">✨ {T('custom.title')}</span>
-        <p className="dsh-wt_customHint">{T('custom.hint')}</p>
+        <div className="dsh-wt_customModes">
+          <button type="button" className={'dsh-wt_customModeBtn' + (mode === 'new' ? ' dsh-wt_customModeBtnOn' : '')} onClick={() => setMode('new')}>{T('custom.modeNew')}</button>
+          <button type="button" className={'dsh-wt_customModeBtn' + (mode === 'existing' ? ' dsh-wt_customModeBtnOn' : '')} onClick={() => setMode('existing')}>{T('custom.modeSend')}</button>
+        </div>
+        <p className="dsh-wt_customHint">{mode === 'new' ? T('custom.hint') : T('custom.hintSend')}</p>
         <textarea
           className="dsh-wt_customInput"
           autoFocus
@@ -1298,6 +1315,20 @@ function CustomPane() {
           value={requirement}
           onChange={(e) => setRequirement(e.target.value)}
         />
+        {mode === 'existing' && (
+          <div className="dsh-wt_customRow">
+            <span className="dsh-wt_customLabel">{T('custom.session')}</span>
+            <select
+              className="dsh-wt_customSelect"
+              value={sessionId ?? ''}
+              onChange={(e) => setSessionId(e.target.value)}
+            >
+              {sessions.map((s) => (
+                <option key={s.id} value={s.id}>{s.title}{s.isCurrent ? ' ' + T('custom.sessionCurrent') : ''}</option>
+              ))}
+            </select>
+          </div>
+        )}
         <div className="dsh-wt_customRow">
           <span className="dsh-wt_customLabel">{T('custom.project')}</span>
           <select
@@ -1313,9 +1344,9 @@ function CustomPane() {
         <button
           type="button"
           className="dsh-wt_customSend"
-          disabled={busy || !requirement.trim() || !projectId}
+          disabled={busy || !requirement.trim() || !projectId || (mode === 'existing' && !sessionId)}
           onClick={submit}
-        >{busy ? '…' : T('custom.send')}</button>
+        >{busy ? '…' : (mode === 'new' ? T('custom.send') : T('custom.sendToSession'))}</button>
         {fail && <p className="dsh-wt_customFail">{T('custom.fail')}：{fail}</p>}
       </div>
     </div>

01_content/src/client/styles.ts

@@ -194,6 +194,11 @@ export const css = [
   '.dsh-wt_customCard{display:flex;flex-direction:column;gap:10px;width:100%;max-width:360px;padding:14px;border:1px solid var(--dsw-alias-border-l2,#3a4150);border-radius:10px;background:var(--dsw-alias-bg-base,#0b0e14);box-shadow:var(--dsw-shadow-lv2,0 8px 24px rgba(0,0,0,.4))}',
   '.dsh-wt_customTitle{font-size:13px;font-weight:600;color:var(--dsw-alias-label-primary,#e6e8eb)}',
   '.dsh-wt_customHint{font-size:11.5px;line-height:17px;color:var(--dsw-alias-label-secondary,#9aa4b2);margin:0}',
+  // 自定义对话框：模式切换（新建对话 / 发送到会话）
+  '.dsh-wt_customModes{display:flex;gap:6px}',
+  '.dsh-wt_customModeBtn{flex:1;display:flex;align-items:center;justify-content:center;padding:4px 8px;border:1px solid var(--dsw-alias-border-l1,#262b36);border-radius:6px;background:var(--dsw-alias-fill-l1,rgba(255,255,255,.02));color:var(--dsw-alias-label-secondary,#9aa4b2);font:inherit;font-size:11px;line-height:16px;cursor:pointer}',
+  '.dsh-wt_customModeBtn:hover{color:var(--dsw-alias-label-primary,#e6e8eb);border-color:var(--dsw-alias-border-l2,#3a4150)}',
+  '.dsh-wt_customModeBtnOn{border-color:var(--dsw-alias-state-accent-primary,#4f8ef7);color:var(--dsw-alias-state-accent-primary,#4f8ef7);background:var(--dsw-alias-fill-l1,rgba(255,255,255,.05))}',
   '.dsh-wt_customInput{width:100%;box-sizing:border-box;min-height:96px;padding:8px 10px;background:var(--dsw-alias-fill-l1,rgba(255,255,255,.03));border:1px solid var(--dsw-alias-border-l1,#262b36);border-radius:8px;color:var(--dsw-alias-label-primary,#e6e8eb);font:inherit;font-size:12px;line-height:18px;outline:none;resize:vertical}',
   '.dsh-wt_customInput:focus{border-color:var(--dsw-alias-state-accent-primary,#4f8ef7)}',
   '.dsh-wt_customRow{display:flex;align-items:center;gap:8px}',