chore: 清理 P0 技术债

- 删除 web/src/components/Sidebar/.deprecated 目录(死代码)
- 清理 useChat.ts/useWebSocket.ts 中 13 条调试 console.log
- 修复 load_task_messages.rs 硬编码 task 状态: 新增 TaskSessionState::Unknown,
  DB 重建时返回 Unknown 而非误报 Completed, 前端显示"未知"

src/command/handlers/load_task_messages.rs

@@ -149,6 +149,15 @@ fn reconstruct_task_from_db(
 
     let now = record.updated_at;
 
+    // DB 未持久化 task 状态字段，无法可靠区分 Running/Completed/Failed/Timeout。
+    // 用 Unknown 表示"重启后从 DB 重建，真实状态不可知"，避免把 failed/timeout
+    // 误报为 Completed 误导用户。前端会把 Unknown 显示为"未知"。
+    tracing::warn!(
+        task_id = %task_id,
+        session_id = %session_id,
+        "Reconstructing task from DB after restart; true state unknown, marking as Unknown"
+    );
+
     Ok(Some(TaskSession {
         id: task_id.to_string(),
         session_id,
@@ -158,9 +167,7 @@ fn reconstruct_task_from_db(
         parent_channel_name: record.channel_name.clone(),
         description,
         subagent_type,
-        // TODO: DB 重建时无法可靠推断 task 状态，暂硬编码为 Completed。
-        // 实际 failed/timeout 的子智能体会被错误显示为 completed，需独立跟进。
-        state: TaskSessionState::Completed,
+        state: TaskSessionState::Unknown,
         created_at: record.created_at,
         updated_at: now,
         summary: None,

src/tools/task/types.rs

@@ -14,6 +14,8 @@ pub enum TaskSessionState {
     Failed,
     /// 已超时
     Timeout,
+    /// 状态未知（如重启后从 DB 重建时无法可靠推断原状态）
+    Unknown,
 }
 
 impl Default for TaskSessionState {

web/src/App.tsx

@@ -753,6 +753,7 @@ function App() {
                   level.status === 'timeout' ? '超时' :
                   level.status === 'running' ? '执行中' :
                   level.status === 'loading' ? '加载中...' :
+                  level.status === 'unknown' ? '未知' :
                   level.status
                 const statusColor =
                   level.status === 'completed' ? 'text-emerald-400' :

web/src/components/Sidebar/.deprecated/ChannelSelector.tsx

@@ -1,127 +0,0 @@
-import { useState } from 'react'
-import { Monitor, Smartphone, MessageSquare, Hash, ChevronDown, Eye, Pencil } from 'lucide-react'
-import type { Channel } from '../../types/protocol'
-
-interface ChannelSelectorProps {
-  channels: Channel[]
-  selectedChannel: string | null
-  onSelectChannel: (channelId: string) => void
-}
-
-const CHANNEL_ICONS: Record<string, React.ReactNode> = {
-  cli: <Monitor className="h-4 w-4" />,
-  websocket: <MessageSquare className="h-4 w-4" />,
-  feishu: <Smartphone className="h-4 w-4" />,
-  weixin: <Smartphone className="h-4 w-4" />,
-  wechat: <Smartphone className="h-4 w-4" />,
-}
-
-export function ChannelSelector({
-  channels,
-  selectedChannel,
-  onSelectChannel,
-}: ChannelSelectorProps) {
-  const [isOpen, setIsOpen] = useState(false)
-
-  const selected = channels.find((c) => c.id === selectedChannel)
-
-  return (
-    <div className="relative">
-      {/* Header */}
-      <div className="flex items-center justify-between border-b border-white/8 px-4 py-3">
-        <h2 className="font-semibold text-white flex items-center gap-2 text-sm">
-          <Hash className="h-4 w-4 text-[#00f0ff]" />
-          通道
-        </h2>
-      </div>
-
-      {/* Channel Dropdown */}
-      <div className="px-3 py-2">
-        <button
-          onClick={() => setIsOpen(!isOpen)}
-          className="w-full flex items-center justify-between rounded-lg border border-white/10 bg-[#1a1a25]/80 px-3 py-2.5 text-left hover:bg-[#1a1a25] transition-all"
-        >
-          <div className="flex items-center gap-2.5">
-            <span className="text-zinc-400">
-              {selected ? CHANNEL_ICONS[selected.id] || <MessageSquare className="h-4 w-4" /> : <MessageSquare className="h-4 w-4" />}
-            </span>
-            <div className="flex flex-col">
-              <span className="text-sm font-medium text-white">
-                {selected?.name || '选择通道'}
-              </span>
-              {selected && (
-                <span className={`text-xs flex items-center gap-1 ${selected.isWritable ? 'text-emerald-400' : 'text-zinc-500'}`}>
-                  {selected.isWritable ? (
-                    <>
-                      <Pencil className="h-3 w-3" />
-                      可输入
-                    </>
-                  ) : (
-                    <>
-                      <Eye className="h-3 w-3" />
-                      只读
-                    </>
-                  )}
-                </span>
-              )}
-            </div>
-          </div>
-          <ChevronDown
-            className={`h-4 w-4 text-zinc-500 transition-transform ${isOpen ? 'rotate-180' : ''}`}
-          />
-        </button>
-
-        {/* Dropdown Menu */}
-        {isOpen && (
-          <>
-            <div
-              className="fixed inset-0 z-10"
-              onClick={() => setIsOpen(false)}
-            />
-            <div className="absolute left-3 right-3 z-20 mt-1 rounded-lg border border-white/10 bg-[#1a1a25] shadow-xl shadow-black/50 overflow-hidden">
-              {channels.length === 0 ? (
-                <div className="px-3 py-3 text-sm text-zinc-500 text-center">
-                  暂无可用通道
-                </div>
-              ) : (
-                channels.map((channel) => (
-                  <button
-                    key={channel.id}
-                    onClick={() => {
-                      onSelectChannel(channel.id)
-                      setIsOpen(false)
-                    }}
-                    className={`w-full flex items-center justify-between px-3 py-2.5 text-left hover:bg-white/5 transition-colors ${
-                      channel.id === selectedChannel ? 'bg-[#00f0ff]/10' : ''
-                    }`}
-                  >
-                    <div className="flex items-center gap-2.5">
-                      <span className={channel.id === selectedChannel ? 'text-[#00f0ff]' : 'text-zinc-400'}>
-                        {CHANNEL_ICONS[channel.id] || <MessageSquare className="h-4 w-4" />}
-                      </span>
-                      <div className="flex flex-col">
-                        <span className={`text-sm ${channel.id === selectedChannel ? 'text-white font-medium' : 'text-zinc-300'}`}>
-                          {channel.name}
-                        </span>
-                        {channel.description && (
-                          <span className="text-xs text-zinc-500">{channel.description}</span>
-                        )}
-                      </div>
-                    </div>
-                    <span className={`text-xs px-1.5 py-0.5 rounded ${
-                      channel.isWritable
-                        ? 'bg-emerald-400/10 text-emerald-400'
-                        : 'bg-zinc-500/10 text-zinc-500'
-                    }`}>
-                      {channel.isWritable ? '可输入' : '只读'}
-                    </span>
-                  </button>
-                ))
-              )}
-            </div>
-          </>
-        )}
-      </div>
-    </div>
-  )
-}

web/src/components/Sidebar/.deprecated/SessionSelector.tsx

@@ -1,114 +0,0 @@
-import { useState } from 'react'
-import { FolderOpen, ChevronDown, Hash } from 'lucide-react'
-import type { Session } from '../../hooks/useChat'
-
-interface SessionSelectorProps {
-  sessions: Session[]
-  selectedSession: string | null
-  channelId: string  // 使用 channelId 而不是 channelName
-  onSelectSession: (sessionId: string) => void
-}
-
-export function SessionSelector({
-  sessions,
-  selectedSession,
-  channelId,
-  onSelectSession,
-}: SessionSelectorProps) {
-  const [isOpen, setIsOpen] = useState(false)
-
-  const selected = sessions.find((s) => s.id === selectedSession)
-
-  // 按通道 ID 筛选 Session
-  const channelSessions = sessions.filter(
-    (s) => s.channel_name === channelId
-  )
-
-  return (
-    <div className="relative">
-      {/* Header */}
-      <div className="flex items-center justify-between border-b border-white/8 px-4 py-3">
-        <h2 className="font-semibold text-white flex items-center gap-2 text-sm">
-          <FolderOpen className="h-4 w-4 text-[#00f0ff]" />
-          Session
-        </h2>
-      </div>
-
-      {/* Session Dropdown */}
-      <div className="px-3 py-2">
-        <button
-          onClick={() => setIsOpen(!isOpen)}
-          className="w-full flex items-center justify-between rounded-lg border border-white/10 bg-[#1a1a25]/80 px-3 py-2.5 text-left hover:bg-[#1a1a25] transition-all"
-        >
-          <div className="flex items-center gap-2.5">
-            <span className="text-zinc-400">
-              <FolderOpen className="h-4 w-4" />
-            </span>
-            <div className="flex flex-col">
-              <span className="text-sm font-medium text-white truncate max-w-[160px]">
-                {selected?.title || '选择 Session'}
-              </span>
-              {selected && (
-                <span className="text-xs text-zinc-500">
-                  {selected.message_count} 条消息
-                </span>
-              )}
-            </div>
-          </div>
-          <ChevronDown
-            className={`h-4 w-4 text-zinc-500 transition-transform ${isOpen ? 'rotate-180' : ''}`}
-          />
-        </button>
-
-        {/* Dropdown Menu */}
-        {isOpen && (
-          <>
-            <div
-              className="fixed inset-0 z-10"
-              onClick={() => setIsOpen(false)}
-            />
-            <div className="absolute left-3 right-3 z-20 mt-1 rounded-lg border border-white/10 bg-[#1a1a25] shadow-xl shadow-black/50 overflow-hidden">
-              {channelSessions.length === 0 ? (
-                <div className="px-3 py-3 text-sm text-zinc-500 text-center">
-                  暂无 Session
-                </div>
-              ) : (
-                channelSessions.map((session, index) => (
-                  <button
-                    key={session.id}
-                    onClick={() => {
-                      onSelectSession(session.id)
-                      setIsOpen(false)
-                    }}
-                    className={`w-full flex items-center justify-between px-3 py-2.5 text-left hover:bg-white/5 transition-colors ${
-                      session.id === selectedSession ? 'bg-[#00f0ff]/10' : ''
-                    }`}
-                  >
-                    <div className="flex items-center gap-2.5">
-                      <span className={session.id === selectedSession ? 'text-[#00f0ff]' : 'text-zinc-400'}>
-                        <Hash className="h-4 w-4" />
-                      </span>
-                      <div className="flex flex-col">
-                        <span className={`text-sm truncate max-w-[140px] ${
-                          session.id === selectedSession ? 'text-white font-medium' : 'text-zinc-300'
-                        }`}>
-                          {session.title}
-                        </span>
-                        <span className="text-xs text-zinc-500">
-                          {session.message_count} 条消息
-                        </span>
-                      </div>
-                    </div>
-                    <span className="text-xs text-zinc-600 font-mono">
-                      {index + 1}
-                    </span>
-                  </button>
-                ))
-              )}
-            </div>
-          </>
-        )}
-      </div>
-    </div>
-  )
-}

web/src/hooks/useChat.ts

@@ -497,8 +497,6 @@ export function useChat(): UseChatReturn {
   }, [])
 
   const handleServerMessage = useCallback((message: WsOutbound) => {
-    console.log('Received message:', message)
-
     // Route to scheduler job view if active
     const currentSchedulerView = schedulerViewRef.current
     if (currentSchedulerView) {
@@ -639,33 +637,27 @@ export function useChat(): UseChatReturn {
       case 'session_established': {
         const msg = message as SessionEstablished
         setConnectionId(msg.session_id)
-        console.log('Connection established:', msg.session_id)
         break
       }
 
       case 'task_started': {
         const msg = message as TaskStarted
-        console.log('[useChat] task_started received:', { task_id: msg.task_id, topic_id: msg.topic_id, parent_task_id: msg.parent_task_id, selectedTopic: selectedTopicRef.current })
         // 只 backfill 当前话题的 task tool_call，避免跨话题串扰
         if (msg.topic_id && msg.topic_id !== selectedTopicRef.current) {
-          console.log('[useChat] task_started filtered by topic_id')
           break
         }
         // 孙智能体的 TaskStarted 不应 backfill 到主视图
         if (msg.parent_task_id) {
-          console.log('[useChat] task_started filtered by parent_task_id')
           break
         }
 
         // 设置 navigateToTaskId，让用户可以点击查看实时进度
         setMessages((prev) => {
-          console.log('[useChat] task_started searching messages for task tool_call, total messages:', prev.length, 'tool_call_id:', msg.tool_call_id)
           // 优先：按 tool_call_id 精确匹配
           if (msg.tool_call_id) {
             const idx = prev.findIndex(m =>
               m.toolCallId === msg.tool_call_id && m.type === 'tool_call' && m.toolName === 'task')
             if (idx >= 0 && !prev[idx].navigateToTaskId) {
-              console.log('[useChat] task_started EXACT MATCH at index', idx, 'task_id:', msg.task_id)
               const updated = [...prev]
               updated[idx] = { ...updated[idx], navigateToTaskId: msg.task_id }
               return updated
@@ -674,13 +666,11 @@ export function useChat(): UseChatReturn {
           // 回退：backward-search (兼容无 tool_call_id 的旧版本)
           for (let i = prev.length - 1; i >= 0; i--) {
             if (prev[i].type === 'tool_call' && prev[i].toolName === 'task' && !prev[i].navigateToTaskId) {
-              console.log('[useChat] task_started BACKWARD MATCH at index', i, 'task_id:', msg.task_id)
               const updated = [...prev]
               updated[i] = { ...updated[i], navigateToTaskId: msg.task_id }
               return updated
             }
           }
-          console.log('[useChat] task_started NO matching task tool_call found in messages')
           return prev
         })
         break
@@ -688,8 +678,6 @@ export function useChat(): UseChatReturn {
 
       case 'session_list': {
         const msg = message as SessionList
-        console.log('Session list received:', msg)
-
         // 清空旧数据（切换通道时避免数据污染）
         setTopics([])
         setSelectedTopic(null)
@@ -723,8 +711,6 @@ export function useChat(): UseChatReturn {
 
       case 'topic_list': {
         const msg = message as TopicList
-        console.log('Topic list received:', msg)
-
         // 转换 topics 格式
         const newTopics: Topic[] = msg.topics.map((t: TopicSummary) => ({
           id: t.topic_id,
@@ -955,7 +941,6 @@ export function useChat(): UseChatReturn {
 
       case 'channel_list': {
         const msg = message as ChannelList
-        console.log('Channel list received:', msg)
         setChannels(msg.channels)
         break
       }

web/src/hooks/useWebSocket.ts

@@ -114,7 +114,6 @@ export function useWebSocket({
   useEffect(() => {
     // 首次挂载，或者 url 发生了变化，都要重连
     if (prevUrlRef.current !== url) {
-      console.log(`WebSocket URL changed: ${prevUrlRef.current} → ${url}`)
       // 先断开旧连接
       disconnect()
       prevUrlRef.current = url