import { useEffect, useMemo, useRef, useState, type AnchorHTMLAttributes, type ChangeEvent, type KeyboardEvent, type ReactNode } from 'react';
import axios from 'axios';
import { Activity, Boxes, Check, Clock3, EllipsisVertical, Eye, EyeOff, FileText, FolderOpen, Hammer, MessageSquareText, Paperclip, Plus, Power, PowerOff, RefreshCw, Repeat2, Save, Settings2, SlidersHorizontal, TriangleAlert, Trash2, UserRound, Waypoints, X } from 'lucide-react';
import ReactMarkdown from 'react-markdown';
import remarkGfm from 'remark-gfm';
import { APP_ENDPOINTS } from '../../config/env';
import { useAppStore } from '../../store/appStore';
import type { ChatMessage } from '../../types/bot';
import { normalizeAssistantMessageText, normalizeUserMessageText, summarizeProgressText } from './messageParser';
import nanobotLogo from '../../assets/nanobot-logo.png';
import './BotDashboardModule.css';
import { channelsZhCn } from '../../i18n/channels.zh-cn';
import { channelsEn } from '../../i18n/channels.en';
import { pickLocale } from '../../i18n';
import { dashboardZhCn } from '../../i18n/dashboard.zh-cn';
import { dashboardEn } from '../../i18n/dashboard.en';
import { useLucentPrompt } from '../../components/lucent/LucentPromptProvider';

interface BotDashboardModuleProps {
  onOpenCreateWizard?: () => void;
  onOpenImageFactory?: () => void;
  forcedBotId?: string;
  compactMode?: boolean;
}

type AgentTab = 'AGENTS' | 'SOUL' | 'USER' | 'TOOLS' | 'IDENTITY';
type WorkspaceNodeType = 'dir' | 'file';
type ChannelType = 'dashboard' | 'feishu' | 'qq' | 'dingtalk' | 'telegram' | 'slack';
type RuntimeViewMode = 'visual' | 'text';
type CompactPanelTab = 'chat' | 'runtime';

interface WorkspaceNode {
  name: string;
  path: string;
  type: WorkspaceNodeType;
  size?: number;
  ext?: string;
  mtime?: string;
  children?: WorkspaceNode[];
}

interface WorkspaceTreeResponse {
  bot_id: string;
  root: string;
  cwd: string;
  parent: string | null;
  entries: WorkspaceNode[];
}

interface WorkspaceFileResponse {
  bot_id: string;
  path: string;
  size: number;
  is_markdown: boolean;
  truncated: boolean;
  content: string;
}

interface WorkspacePreviewState {
  path: string;
  content: string;
  truncated: boolean;
  ext: string;
  isMarkdown: boolean;
}

interface WorkspaceUploadResponse {
  bot_id: string;
  files: Array<{ name: string; path: string; size: number }>;
}

interface CronJob {
  id: string;
  name: string;
  enabled?: boolean;
  schedule?: {
    kind?: 'at' | 'every' | 'cron' | string;
    atMs?: number;
    everyMs?: number;
    expr?: string;
    tz?: string;
  };
  payload?: {
    message?: string;
    channel?: string;
    to?: string;
  };
  state?: {
    nextRunAtMs?: number;
    lastRunAtMs?: number;
    lastStatus?: string;
    lastError?: string;
  };
}

interface CronJobsResponse {
  bot_id: string;
  version: number;
  jobs: CronJob[];
}

interface BotChannel {
  id: string | number;
  bot_id: string;
  channel_type: ChannelType | string;
  external_app_id: string;
  app_secret: string;
  internal_port: number;
  is_active: boolean;
  extra_config: Record<string, unknown>;
  locked?: boolean;
}

interface WorkspaceSkillOption {
  id: string;
  name: string;
  type: 'dir' | 'file' | string;
  path: string;
  size?: number | null;
  mtime?: string;
  description?: string;
}

interface SkillUploadResponse {
  status: string;
  bot_id: string;
  installed: string[];
  skills: WorkspaceSkillOption[];
}

type BotEnvParams = Record<string, string>;

const providerPresets: Record<string, { model: string; apiBase?: string; note: { 'zh-cn': string; en: string } }> = {
  openrouter: {
    model: 'openai/gpt-4o-mini',
    apiBase: 'https://openrouter.ai/api/v1',
    note: {
      'zh-cn': 'OpenRouter 网关，模型示例 openai/gpt-4o-mini',
      en: 'OpenRouter gateway, model example: openai/gpt-4o-mini',
    },
  },
  dashscope: {
    model: 'qwen-plus',
    apiBase: 'https://dashscope.aliyuncs.com/compatible-mode/v1',
    note: {
      'zh-cn': '阿里云 DashScope（千问），模型示例 qwen-plus',
      en: 'Alibaba DashScope (Qwen), model example: qwen-plus',
    },
  },
  openai: {
    model: 'gpt-4o-mini',
    note: {
      'zh-cn': 'OpenAI 原生接口',
      en: 'OpenAI native endpoint',
    },
  },
  deepseek: {
    model: 'deepseek-chat',
    note: {
      'zh-cn': 'DeepSeek 原生接口',
      en: 'DeepSeek native endpoint',
    },
  },
  kimi: {
    model: 'moonshot-v1-8k',
    apiBase: 'https://api.moonshot.cn/v1',
    note: {
      'zh-cn': 'Kimi（Moonshot）接口，模型示例 moonshot-v1-8k',
      en: 'Kimi (Moonshot) endpoint, model example: moonshot-v1-8k',
    },
  },
  minimax: {
    model: 'MiniMax-Text-01',
    apiBase: 'https://api.minimax.chat/v1',
    note: {
      'zh-cn': 'MiniMax 接口，模型示例 MiniMax-Text-01',
      en: 'MiniMax endpoint, model example: MiniMax-Text-01',
    },
  },
};
const optionalChannelTypes: ChannelType[] = ['feishu', 'qq', 'dingtalk', 'telegram', 'slack'];

function formatClock(ts: number) {
  const d = new Date(ts);
  const hh = String(d.getHours()).padStart(2, '0');
  const mm = String(d.getMinutes()).padStart(2, '0');
  const ss = String(d.getSeconds()).padStart(2, '0');
  return `${hh}:${mm}:${ss}`;
}

function stateLabel(s?: string) {
  return (s || 'IDLE').toUpperCase();
}

function normalizeRuntimeState(s?: string) {
  const raw = stateLabel(s);
  if (raw.includes('ERROR') || raw.includes('FAIL')) return 'ERROR';
  if (raw.includes('TOOL') || raw.includes('EXEC') || raw.includes('ACTION')) return 'TOOL_CALL';
  if (raw.includes('THINK') || raw.includes('PLAN') || raw.includes('REASON') || raw === 'RUNNING') return 'THINKING';
  if (raw.includes('SUCCESS') || raw.includes('DONE') || raw.includes('COMPLETE')) return 'SUCCESS';
  if (raw.includes('IDLE') || raw.includes('STOP')) return 'IDLE';
  return raw;
}

function isPreviewableWorkspaceFile(node: WorkspaceNode) {
  if (node.type !== 'file') return false;
  const ext = (node.ext || '').toLowerCase();
  return ['.md', '.json', '.log', '.txt', '.csv', '.pdf'].includes(ext);
}

function isPdfPath(path: string) {
  return String(path || '').trim().toLowerCase().endsWith('.pdf');
}

function normalizeAttachmentPaths(raw: unknown): string[] {
  if (!Array.isArray(raw)) return [];
  return raw
    .map((v) => String(v || '').trim().replace(/\\/g, '/'))
    .filter((v) => v.length > 0);
}

function normalizeDashboardAttachmentPath(path: string): string {
  const v = String(path || '').trim().replace(/\\/g, '/');
  if (!v) return '';
  const prefix = '/root/.nanobot/workspace/';
  if (v.startsWith(prefix)) return v.slice(prefix.length);
  return v.replace(/^\/+/, '');
}

function isExternalHttpLink(href: string): boolean {
  return /^https?:\/\//i.test(String(href || '').trim());
}

function mergeConversation(messages: ChatMessage[]) {
  const merged: ChatMessage[] = [];
  messages
    .filter((msg) => msg.role !== 'system' && (msg.text.trim().length > 0 || (msg.attachments || []).length > 0))
    .forEach((msg) => {
      const cleanText = msg.role === 'user' ? normalizeUserMessageText(msg.text) : normalizeAssistantMessageText(msg.text);
      const attachments = normalizeAttachmentPaths(msg.attachments).map(normalizeDashboardAttachmentPath).filter(Boolean);
      if (!cleanText && attachments.length === 0) return;
      const last = merged[merged.length - 1];
      if (last && last.role === msg.role) {
        const normalizedLast = last.role === 'user' ? normalizeUserMessageText(last.text) : normalizeAssistantMessageText(last.text);
        const normalizedCurrent = msg.role === 'user' ? normalizeUserMessageText(cleanText) : normalizeAssistantMessageText(cleanText);
        const lastKind = last.kind || 'final';
        const currentKind = msg.kind || 'final';
        const sameAttachmentSet =
          JSON.stringify(normalizeAttachmentPaths(last.attachments)) === JSON.stringify(attachments);
        if (lastKind === currentKind && normalizedLast === normalizedCurrent && sameAttachmentSet && Math.abs(msg.ts - last.ts) < 15000) {
          last.ts = msg.ts;
          return;
        }
      }
      merged.push({ ...msg, text: cleanText, attachments });
    });
  return merged.slice(-120);
}

function clampTemperature(value: number) {
  if (Number.isNaN(value)) return 0.2;
  return Math.min(1, Math.max(0, value));
}

function formatCronSchedule(job: CronJob, isZh: boolean) {
  const s = job.schedule || {};
  if (s.kind === 'every' && Number(s.everyMs) > 0) {
    const sec = Math.round(Number(s.everyMs) / 1000);
    return isZh ? `每 ${sec}s` : `every ${sec}s`;
  }
  if (s.kind === 'cron') {
    if (s.tz) return `${s.expr || '-'} (${s.tz})`;
    return s.expr || '-';
  }
  if (s.kind === 'at' && Number(s.atMs) > 0) {
    return new Date(Number(s.atMs)).toLocaleString();
  }
  return '-';
}

export function BotDashboardModule({
  onOpenCreateWizard,
  onOpenImageFactory,
  forcedBotId,
  compactMode = false,
}: BotDashboardModuleProps) {
  const {
    activeBots,
    setBots,
    updateBotStatus,
    locale,
    addBotMessage,
    setBotMessages,
  } = useAppStore();
  const { notify, confirm } = useLucentPrompt();
  const [selectedBotId, setSelectedBotId] = useState('');
  const [command, setCommand] = useState('');
  const [isSaving, setIsSaving] = useState(false);
  const [showBaseModal, setShowBaseModal] = useState(false);
  const [showParamModal, setShowParamModal] = useState(false);
  const [showChannelModal, setShowChannelModal] = useState(false);
  const [showSkillsModal, setShowSkillsModal] = useState(false);
  const [showEnvParamsModal, setShowEnvParamsModal] = useState(false);
  const [showCronModal, setShowCronModal] = useState(false);
  const [showAgentModal, setShowAgentModal] = useState(false);
  const [agentTab, setAgentTab] = useState<AgentTab>('AGENTS');
  const [isTestingProvider, setIsTestingProvider] = useState(false);
  const [providerTestResult, setProviderTestResult] = useState('');
  const [operatingBotId, setOperatingBotId] = useState<string | null>(null);
  const [sendingByBot, setSendingByBot] = useState<Record<string, boolean>>({});
  const [controlStateByBot, setControlStateByBot] = useState<Record<string, 'starting' | 'stopping'>>({});
  const chatBottomRef = useRef<HTMLDivElement | null>(null);
  const [workspaceEntries, setWorkspaceEntries] = useState<WorkspaceNode[]>([]);
  const [workspaceLoading, setWorkspaceLoading] = useState(false);
  const [workspaceError, setWorkspaceError] = useState('');
  const [workspaceCurrentPath, setWorkspaceCurrentPath] = useState('');
  const [workspaceParentPath, setWorkspaceParentPath] = useState<string | null>(null);
  const [workspaceFileLoading, setWorkspaceFileLoading] = useState(false);
  const [workspacePreview, setWorkspacePreview] = useState<WorkspacePreviewState | null>(null);
  const [workspaceAutoRefresh, setWorkspaceAutoRefresh] = useState(true);
  const [pendingAttachments, setPendingAttachments] = useState<string[]>([]);
  const [isUploadingAttachments, setIsUploadingAttachments] = useState(false);
  const filePickerRef = useRef<HTMLInputElement | null>(null);
  const [cronJobs, setCronJobs] = useState<CronJob[]>([]);
  const [cronLoading, setCronLoading] = useState(false);
  const [cronActionJobId, setCronActionJobId] = useState<string>('');
  const [channels, setChannels] = useState<BotChannel[]>([]);
  const [botSkills, setBotSkills] = useState<WorkspaceSkillOption[]>([]);
  const [isSkillUploading, setIsSkillUploading] = useState(false);
  const skillZipPickerRef = useRef<HTMLInputElement | null>(null);
  const [envParams, setEnvParams] = useState<BotEnvParams>({});
  const [envDraftKey, setEnvDraftKey] = useState('');
  const [envDraftValue, setEnvDraftValue] = useState('');
  const [envDraftVisible, setEnvDraftVisible] = useState(false);
  const [envVisibleByKey, setEnvVisibleByKey] = useState<Record<string, boolean>>({});
  const [isSavingChannel, setIsSavingChannel] = useState(false);
  const [isSavingGlobalDelivery, setIsSavingGlobalDelivery] = useState(false);
  const [globalDelivery, setGlobalDelivery] = useState<{ sendProgress: boolean; sendToolHints: boolean }>({
    sendProgress: false,
    sendToolHints: false,
  });
  const [newChannelType, setNewChannelType] = useState<ChannelType>('feishu');
  const [runtimeViewMode, setRuntimeViewMode] = useState<RuntimeViewMode>('visual');
  const [runtimeMenuOpen, setRuntimeMenuOpen] = useState(false);
  const [compactPanelTab, setCompactPanelTab] = useState<CompactPanelTab>('chat');
  const [isCompactMobile, setIsCompactMobile] = useState(false);
  const runtimeMenuRef = useRef<HTMLDivElement | null>(null);
  const markdownComponents = useMemo(
    () => ({
      a: ({ href, children, ...props }: AnchorHTMLAttributes<HTMLAnchorElement>) => {
        const link = String(href || '').trim();
        if (isExternalHttpLink(link)) {
          return (
            <a href={link} target="_blank" rel="noopener noreferrer" {...props}>
              {children}
            </a>
          );
        }
        return (
          <a href={link || '#'} {...props}>
            {children}
          </a>
        );
      },
    }),
    [],
  );

  const [editForm, setEditForm] = useState({
    name: '',
    llm_provider: '',
    llm_model: '',
    image_tag: '',
    api_key: '',
    api_base: '',
    temperature: 0.2,
    top_p: 1,
    max_tokens: 8192,
    agents_md: '',
    soul_md: '',
    user_md: '',
    tools_md: '',
    identity_md: '',
  });

  const bots = useMemo(() => Object.values(activeBots), [activeBots]);
  const selectedBot = selectedBotId ? activeBots[selectedBotId] : undefined;
  const forcedBotMissing = Boolean(forcedBotId && bots.length > 0 && !activeBots[String(forcedBotId).trim()]);
  const messages = selectedBot?.messages || [];
  const events = selectedBot?.events || [];
  const isZh = locale === 'zh';
  const noteLocale = pickLocale(locale, { 'zh-cn': 'zh-cn' as const, en: 'en' as const });
  const t = pickLocale(locale, { 'zh-cn': dashboardZhCn, en: dashboardEn });
  const lc = isZh ? channelsZhCn : channelsEn;
  const runtimeMoreLabel = isZh ? '更多' : 'More';
  const selectedBotControlState = selectedBot ? controlStateByBot[selectedBot.id] : undefined;
  const isSending = selectedBot ? Boolean(sendingByBot[selectedBot.id]) : false;
  const canChat = Boolean(selectedBot && selectedBot.docker_status === 'RUNNING' && !selectedBotControlState);
  const isChatEnabled = Boolean(canChat && !isSending);

  const conversation = useMemo(() => mergeConversation(messages), [messages]);
  const latestEvent = useMemo(() => [...events].reverse()[0], [events]);
  const workspaceFiles = useMemo(
    () => workspaceEntries.filter((v) => v.type === 'file' && isPreviewableWorkspaceFile(v)),
    [workspaceEntries],
  );
  const addableChannelTypes = useMemo(() => {
    const exists = new Set(channels.map((c) => String(c.channel_type).toLowerCase()));
    return optionalChannelTypes.filter((t) => !exists.has(t));
  }, [channels]);
  const envEntries = useMemo(
    () =>
      Object.entries(envParams || {})
        .filter(([k]) => String(k || '').trim().length > 0)
        .sort(([a], [b]) => a.localeCompare(b)),
    [envParams],
  );
  const lastUserTs = useMemo(() => [...conversation].reverse().find((m) => m.role === 'user')?.ts || 0, [conversation]);
  const lastAssistantFinalTs = useMemo(
    () =>
      [...conversation].reverse().find((m) => m.role === 'assistant' && (m.kind || 'final') !== 'progress')?.ts || 0,
    [conversation],
  );
  const isThinking = useMemo(() => {
    if (!selectedBot || selectedBot.docker_status !== 'RUNNING') return false;
    if (lastUserTs <= 0) return false;
    if (lastAssistantFinalTs >= lastUserTs) return false;
    // Keep showing running/thinking state until a final assistant reply arrives.
    return true;
  }, [selectedBot, lastUserTs, lastAssistantFinalTs]);
  const displayState = useMemo(() => {
    if (!selectedBot) return 'IDLE';
    const backendState = normalizeRuntimeState(selectedBot.current_state);
    if (selectedBot.docker_status !== 'RUNNING') return backendState;

    if (backendState === 'TOOL_CALL' || backendState === 'THINKING' || backendState === 'ERROR') {
      return backendState;
    }

    if (isThinking) {
      if (latestEvent?.state === 'TOOL_CALL') return 'TOOL_CALL';
      return 'THINKING';
    }

    if (
      latestEvent &&
      ['THINKING', 'TOOL_CALL', 'ERROR'].includes(latestEvent.state) &&
      Date.now() - latestEvent.ts < 15000
    ) {
      return latestEvent.state;
    }

    if (latestEvent?.state === 'ERROR') return 'ERROR';
    return 'IDLE';
  }, [selectedBot, isThinking, latestEvent]);
  const runtimeAction = useMemo(() => {
    const action = summarizeProgressText(selectedBot?.last_action || '', isZh);
    if (action && action !== t.processing) return action;
    const eventText = summarizeProgressText(latestEvent?.text || '', isZh);
    if (eventText && eventText !== t.processing) return eventText;
    return '-';
  }, [selectedBot, latestEvent, isZh, t.processing]);
  const conversationNodes = useMemo(
    () =>
      conversation.map((item, idx) => (
        <div key={`${item.ts}-${idx}`} className={`ops-chat-row ${item.role === 'user' ? 'is-user' : 'is-assistant'}`}>
          <div className={`ops-chat-item ${item.role === 'user' ? 'is-user' : 'is-assistant'}`}>
            {item.role !== 'user' && (
              <div className="ops-avatar bot" title="Nanobot">
                <img src={nanobotLogo} alt="Nanobot" />
              </div>
            )}

            <div className={`ops-chat-bubble ${item.role === 'user' ? 'user' : 'assistant'} ${(item.kind || 'final') === 'progress' ? 'progress' : ''}`}>
              <div className="ops-chat-meta">
                <span>{item.role === 'user' ? t.you : 'Nanobot'}</span>
                <span className="mono">{formatClock(item.ts)}</span>
              </div>
              <div className="ops-chat-text">
                {item.text ? (
                  item.role === 'user' ? (
                    <div className="whitespace-pre-wrap">{normalizeUserMessageText(item.text)}</div>
                  ) : (
                    <ReactMarkdown remarkPlugins={[remarkGfm]} components={markdownComponents}>
                      {item.text}
                    </ReactMarkdown>
                  )
                ) : null}
                {(item.attachments || []).length > 0 ? (
                  <div className="ops-chat-attachments">
                    {(item.attachments || []).map((rawPath) => {
                      const filePath = normalizeDashboardAttachmentPath(rawPath);
                      const isPdf = isPdfPath(filePath);
                      const href = `${APP_ENDPOINTS.apiBase}/bots/${selectedBotId}/workspace/download?path=${encodeURIComponent(filePath)}${isPdf ? '&download=1' : ''}`;
                      const filename = filePath.split('/').pop() || filePath;
                      return (
                        <a
                          key={`${item.ts}-${filePath}`}
                          className="ops-attach-link mono"
                          href={href}
                          target="_blank"
                          rel="noreferrer"
                          download={isPdf ? filename : undefined}
                        >
                          {filename}
                        </a>
                      );
                    })}
                  </div>
                ) : null}
              </div>
            </div>

            {item.role === 'user' && (
              <div className="ops-avatar user" title={t.user}>
                <UserRound size={18} />
              </div>
            )}
          </div>
        </div>
      )),
    [conversation, selectedBotId, t.user, t.you],
  );

  useEffect(() => {
    const forced = String(forcedBotId || '').trim();
    if (forced) {
      if (activeBots[forced]) {
        if (selectedBotId !== forced) setSelectedBotId(forced);
      } else if (selectedBotId) {
        setSelectedBotId('');
      }
      return;
    }
    if (!selectedBotId && bots.length > 0) setSelectedBotId(bots[0].id);
    if (selectedBotId && !activeBots[selectedBotId] && bots.length > 0) setSelectedBotId(bots[0].id);
  }, [bots, selectedBotId, activeBots, forcedBotId]);

  useEffect(() => {
    chatBottomRef.current?.scrollIntoView({ behavior: 'smooth', block: 'end' });
  }, [selectedBotId, conversation.length]);

  useEffect(() => {
    const onPointerDown = (event: MouseEvent) => {
      if (!runtimeMenuRef.current) return;
      if (!runtimeMenuRef.current.contains(event.target as Node)) {
        setRuntimeMenuOpen(false);
      }
    };
    document.addEventListener('mousedown', onPointerDown);
    return () => document.removeEventListener('mousedown', onPointerDown);
  }, []);

  useEffect(() => {
    setRuntimeMenuOpen(false);
  }, [selectedBotId]);

  useEffect(() => {
    if (!compactMode) {
      setIsCompactMobile(false);
      setCompactPanelTab('chat');
      return;
    }
    const media = window.matchMedia('(max-width: 980px)');
    const apply = () => setIsCompactMobile(media.matches);
    apply();
    media.addEventListener('change', apply);
    return () => media.removeEventListener('change', apply);
  }, [compactMode]);

  useEffect(() => {
    if (!selectedBotId) return;
    const bot = selectedBot;
    if (!bot) return;
    setProviderTestResult('');
    setEditForm({
      name: bot.name || '',
      llm_provider: bot.llm_provider || 'dashscope',
      llm_model: bot.llm_model || '',
      image_tag: bot.image_tag || '',
      api_key: '',
      api_base: bot.api_base || '',
      temperature: clampTemperature(bot.temperature ?? 0.2),
      top_p: bot.top_p ?? 1,
      max_tokens: bot.max_tokens ?? 8192,
      agents_md: bot.agents_md || '',
      soul_md: bot.soul_md || bot.system_prompt || '',
      user_md: bot.user_md || '',
      tools_md: bot.tools_md || '',
      identity_md: bot.identity_md || '',
    });
    setPendingAttachments([]);
  }, [selectedBotId, selectedBot?.id]);

  useEffect(() => {
    if (!selectedBotId || !selectedBot) {
      setGlobalDelivery({ sendProgress: false, sendToolHints: false });
      return;
    }
    setGlobalDelivery({
      sendProgress: Boolean(selectedBot.send_progress),
      sendToolHints: Boolean(selectedBot.send_tool_hints),
    });
  }, [selectedBotId, selectedBot?.send_progress, selectedBot?.send_tool_hints]);

  const refresh = async () => {
    const res = await axios.get(`${APP_ENDPOINTS.apiBase}/bots`);
    setBots(res.data);
  };

  const openWorkspaceFilePreview = async (path: string) => {
    if (!selectedBotId || !path) return;
    const normalizedPath = String(path || '').trim();
    if (isPdfPath(normalizedPath)) {
      const href = `${APP_ENDPOINTS.apiBase}/bots/${selectedBotId}/workspace/download?path=${encodeURIComponent(normalizedPath)}&download=1`;
      window.open(href, '_blank', 'noopener,noreferrer');
      return;
    }
    setWorkspaceFileLoading(true);
    try {
      const res = await axios.get<WorkspaceFileResponse>(`${APP_ENDPOINTS.apiBase}/bots/${selectedBotId}/workspace/file`, {
        params: { path, max_bytes: 400000 },
      });
      const filePath = res.data.path || path;
      const textExt = (filePath.split('.').pop() || '').toLowerCase();
      let content = res.data.content || '';
      if (textExt === 'json') {
        try {
          content = JSON.stringify(JSON.parse(content), null, 2);
        } catch {
          // Keep original content when JSON is not strictly parseable.
        }
      }
      setWorkspacePreview({
        path: filePath,
        content,
        truncated: Boolean(res.data.truncated),
        ext: textExt ? `.${textExt}` : '',
        isMarkdown: textExt === 'md' || Boolean(res.data.is_markdown),
      });
    } catch (error: any) {
      const msg = error?.response?.data?.detail || t.fileReadFail;
      notify(msg, { tone: 'error' });
    } finally {
      setWorkspaceFileLoading(false);
    }
  };

  const loadWorkspaceTree = async (botId: string, path: string = '') => {
    if (!botId) return;
    setWorkspaceLoading(true);
    setWorkspaceError('');
    try {
      const res = await axios.get<WorkspaceTreeResponse>(`${APP_ENDPOINTS.apiBase}/bots/${botId}/workspace/tree`, {
        params: { path },
      });
      const entries = Array.isArray(res.data?.entries) ? res.data.entries : [];
      setWorkspaceEntries(entries);
      setWorkspaceCurrentPath(res.data?.cwd || '');
      setWorkspaceParentPath(res.data?.parent ?? null);
    } catch (error: any) {
      setWorkspaceEntries([]);
      setWorkspaceCurrentPath('');
      setWorkspaceParentPath(null);
      setWorkspaceError(error?.response?.data?.detail || t.workspaceLoadFail);
    } finally {
      setWorkspaceLoading(false);
    }
  };

  const loadChannels = async (botId: string) => {
    if (!botId) return;
    const res = await axios.get<BotChannel[]>(`${APP_ENDPOINTS.apiBase}/bots/${botId}/channels`);
    setChannels(Array.isArray(res.data) ? res.data : []);
  };

  const loadBotSkills = async (botId: string) => {
    if (!botId) return;
    const res = await axios.get<WorkspaceSkillOption[]>(`${APP_ENDPOINTS.apiBase}/bots/${botId}/skills`);
    setBotSkills(Array.isArray(res.data) ? res.data : []);
  };

  const loadBotEnvParams = async (botId: string) => {
    if (!botId) return;
    try {
      const res = await axios.get<{ env_params?: Record<string, string> }>(`${APP_ENDPOINTS.apiBase}/bots/${botId}/env-params`);
      const rows = res.data?.env_params && typeof res.data.env_params === 'object' ? res.data.env_params : {};
      const next: BotEnvParams = {};
      Object.entries(rows).forEach(([k, v]) => {
        const key = String(k || '').trim().toUpperCase();
        if (!key) return;
        next[key] = String(v ?? '');
      });
      setEnvParams(next);
    } catch {
      setEnvParams({});
    }
  };

  const saveBotEnvParams = async () => {
    if (!selectedBot) return;
    try {
      await axios.put(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/env-params`, { env_params: envParams });
      setShowEnvParamsModal(false);
      notify(t.envParamsSaved, { tone: 'success' });
    } catch (error: any) {
      notify(error?.response?.data?.detail || t.envParamsSaveFail, { tone: 'error' });
    }
  };

  const upsertEnvParam = (key: string, value: string) => {
    const normalized = String(key || '').trim().toUpperCase();
    if (!normalized) return;
    setEnvParams((prev) => ({ ...(prev || {}), [normalized]: String(value ?? '') }));
  };

  const removeEnvParam = (key: string) => {
    const normalized = String(key || '').trim().toUpperCase();
    if (!normalized) return;
    setEnvParams((prev) => {
      const next = { ...(prev || {}) };
      delete next[normalized];
      return next;
    });
  };

  const removeBotSkill = async (skill: WorkspaceSkillOption) => {
    if (!selectedBot) return;
    const ok = await confirm({
      title: t.removeSkill,
      message: t.toolsRemoveConfirm(skill.name || skill.id),
      tone: 'warning',
    });
    if (!ok) return;
    try {
      await axios.delete(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/skills/${encodeURIComponent(skill.id)}`);
      await loadBotSkills(selectedBot.id);
    } catch (error: any) {
      notify(error?.response?.data?.detail || t.toolsRemoveFail, { tone: 'error' });
    }
  };

  const triggerSkillZipUpload = () => {
    if (!selectedBot || isSkillUploading) return;
    skillZipPickerRef.current?.click();
  };

  const onPickSkillZip = async (event: ChangeEvent<HTMLInputElement>) => {
    if (!selectedBot || !event.target.files || event.target.files.length === 0) return;
    const file = event.target.files[0];
    const filename = String(file?.name || '').toLowerCase();
    if (!filename.endsWith('.zip')) {
      notify(t.invalidZipFile, { tone: 'warning' });
      event.target.value = '';
      return;
    }
    const formData = new FormData();
    formData.append('file', file);
    setIsSkillUploading(true);
    try {
      const res = await axios.post<SkillUploadResponse>(
        `${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/skills/upload`,
        formData,
      );
      const nextSkills = Array.isArray(res.data?.skills) ? res.data.skills : [];
      setBotSkills(nextSkills);
    } catch (error: any) {
      notify(error?.response?.data?.detail || t.toolsAddFail, { tone: 'error' });
    } finally {
      setIsSkillUploading(false);
      event.target.value = '';
    }
  };

  const loadCronJobs = async (botId: string) => {
    if (!botId) return;
    setCronLoading(true);
    try {
      const res = await axios.get<CronJobsResponse>(`${APP_ENDPOINTS.apiBase}/bots/${botId}/cron/jobs`, {
        params: { include_disabled: true },
      });
      setCronJobs(Array.isArray(res.data?.jobs) ? res.data.jobs : []);
    } catch {
      setCronJobs([]);
    } finally {
      setCronLoading(false);
    }
  };

  const stopCronJob = async (jobId: string) => {
    if (!selectedBot || !jobId) return;
    setCronActionJobId(jobId);
    try {
      await axios.post(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/cron/jobs/${jobId}/stop`);
      await loadCronJobs(selectedBot.id);
    } catch (error: any) {
      notify(error?.response?.data?.detail || t.cronStopFail, { tone: 'error' });
    } finally {
      setCronActionJobId('');
    }
  };

  const deleteCronJob = async (jobId: string) => {
    if (!selectedBot || !jobId) return;
    const ok = await confirm({
      title: t.cronDelete,
      message: t.cronDeleteConfirm(jobId),
      tone: 'warning',
    });
    if (!ok) return;
    setCronActionJobId(jobId);
    try {
      await axios.delete(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/cron/jobs/${jobId}`);
      await loadCronJobs(selectedBot.id);
    } catch (error: any) {
      notify(error?.response?.data?.detail || t.cronDeleteFail, { tone: 'error' });
    } finally {
      setCronActionJobId('');
    }
  };

  const updateChannelLocal = (index: number, patch: Partial<BotChannel>) => {
    setChannels((prev) => prev.map((c, i) => (i === index ? { ...c, ...patch } : c)));
  };

  const saveChannel = async (channel: BotChannel) => {
    if (!selectedBot) return;
    setIsSavingChannel(true);
    try {
      await axios.put(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/channels/${channel.id}`, {
        channel_type: channel.channel_type,
        external_app_id: channel.external_app_id,
        app_secret: channel.app_secret,
        internal_port: Number(channel.internal_port),
        is_active: channel.is_active,
        extra_config: sanitizeChannelExtra(String(channel.channel_type), channel.extra_config || {}),
      });
      await loadChannels(selectedBot.id);
      notify(t.channelSaved, { tone: 'success' });
    } catch (error: any) {
      const msg = error?.response?.data?.detail || t.channelSaveFail;
      notify(msg, { tone: 'error' });
    } finally {
      setIsSavingChannel(false);
    }
  };

  const addChannel = async () => {
    if (!selectedBot || !addableChannelTypes.includes(newChannelType)) return;
    setIsSavingChannel(true);
    try {
      await axios.post(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/channels`, {
        channel_type: newChannelType,
        is_active: true,
        external_app_id: '',
        app_secret: '',
        internal_port: 8080,
        extra_config: {},
      });
      await loadChannels(selectedBot.id);
      const rest = addableChannelTypes.filter((t) => t !== newChannelType);
      if (rest.length > 0) setNewChannelType(rest[0]);
    } catch (error: any) {
      const msg = error?.response?.data?.detail || t.channelAddFail;
      notify(msg, { tone: 'error' });
    } finally {
      setIsSavingChannel(false);
    }
  };

  const removeChannel = async (channel: BotChannel) => {
    if (!selectedBot || channel.channel_type === 'dashboard') return;
    const ok = await confirm({
      title: t.channels,
      message: t.channelDeleteConfirm(channel.channel_type),
      tone: 'warning',
    });
    if (!ok) return;
    setIsSavingChannel(true);
    try {
      await axios.delete(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/channels/${channel.id}`);
      await loadChannels(selectedBot.id);
    } catch (error: any) {
      const msg = error?.response?.data?.detail || t.channelDeleteFail;
      notify(msg, { tone: 'error' });
    } finally {
      setIsSavingChannel(false);
    }
  };

  const isDashboardChannel = (channel: BotChannel) => String(channel.channel_type).toLowerCase() === 'dashboard';
  const sanitizeChannelExtra = (channelType: string, extra: Record<string, unknown>) => {
    const type = String(channelType || '').toLowerCase();
    if (type === 'dashboard') return extra || {};
    const next = { ...(extra || {}) };
    delete next.sendProgress;
    delete next.sendToolHints;
    return next;
  };
  const updateGlobalDeliveryFlag = (key: 'sendProgress' | 'sendToolHints', value: boolean) => {
    setGlobalDelivery((prev) => ({ ...prev, [key]: value }));
  };
  const saveGlobalDelivery = async () => {
    if (!selectedBot) return;
    setIsSavingGlobalDelivery(true);
    try {
      await axios.put(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}`, {
        send_progress: Boolean(globalDelivery.sendProgress),
        send_tool_hints: Boolean(globalDelivery.sendToolHints),
      });
      await refresh();
      notify(t.channelSaved, { tone: 'success' });
    } catch (error: any) {
      const msg = error?.response?.data?.detail || t.channelSaveFail;
      notify(msg, { tone: 'error' });
    } finally {
      setIsSavingGlobalDelivery(false);
    }
  };

  const renderChannelFields = (channel: BotChannel, idx: number) => {
    const ctype = String(channel.channel_type).toLowerCase();
    if (ctype === 'telegram') {
      return (
        <>
          <input className="input" type="password" placeholder={lc.telegramToken} value={channel.app_secret || ''} onChange={(e) => updateChannelLocal(idx, { app_secret: e.target.value })} />
          <input
            className="input"
            placeholder={lc.proxy}
            value={String((channel.extra_config || {}).proxy || '')}
            onChange={(e) => updateChannelLocal(idx, { extra_config: { ...(channel.extra_config || {}), proxy: e.target.value } })}
          />
          <label className="field-label">
            <input
              type="checkbox"
              checked={Boolean((channel.extra_config || {}).replyToMessage)}
              onChange={(e) =>
                updateChannelLocal(idx, { extra_config: { ...(channel.extra_config || {}), replyToMessage: e.target.checked } })
              }
              style={{ marginRight: 6 }}
            />
            {lc.replyToMessage}
          </label>
        </>
      );
    }

    if (ctype === 'feishu') {
      return (
        <>
          <input className="input" placeholder={lc.appId} value={channel.external_app_id || ''} onChange={(e) => updateChannelLocal(idx, { external_app_id: e.target.value })} />
          <input className="input" type="password" placeholder={lc.appSecret} value={channel.app_secret || ''} onChange={(e) => updateChannelLocal(idx, { app_secret: e.target.value })} />
          <input className="input" placeholder={lc.encryptKey} value={String((channel.extra_config || {}).encryptKey || '')} onChange={(e) => updateChannelLocal(idx, { extra_config: { ...(channel.extra_config || {}), encryptKey: e.target.value } })} />
          <input className="input" placeholder={lc.verificationToken} value={String((channel.extra_config || {}).verificationToken || '')} onChange={(e) => updateChannelLocal(idx, { extra_config: { ...(channel.extra_config || {}), verificationToken: e.target.value } })} />
        </>
      );
    }

    if (ctype === 'dingtalk') {
      return (
        <>
          <input className="input" placeholder={lc.clientId} value={channel.external_app_id || ''} onChange={(e) => updateChannelLocal(idx, { external_app_id: e.target.value })} />
          <input className="input" type="password" placeholder={lc.clientSecret} value={channel.app_secret || ''} onChange={(e) => updateChannelLocal(idx, { app_secret: e.target.value })} />
        </>
      );
    }

    if (ctype === 'slack') {
      return (
        <>
          <input className="input" placeholder={lc.botToken} value={channel.external_app_id || ''} onChange={(e) => updateChannelLocal(idx, { external_app_id: e.target.value })} />
          <input className="input" type="password" placeholder={lc.appToken} value={channel.app_secret || ''} onChange={(e) => updateChannelLocal(idx, { app_secret: e.target.value })} />
        </>
      );
    }

    if (ctype === 'qq') {
      return (
        <>
          <input className="input" placeholder={lc.appId} value={channel.external_app_id || ''} onChange={(e) => updateChannelLocal(idx, { external_app_id: e.target.value })} />
          <input className="input" type="password" placeholder={lc.appSecret} value={channel.app_secret || ''} onChange={(e) => updateChannelLocal(idx, { app_secret: e.target.value })} />
        </>
      );
    }

    return null;
  };

  const stopBot = async (id: string, status: string) => {
    if (status !== 'RUNNING') return;
    setOperatingBotId(id);
    setControlStateByBot((prev) => ({ ...prev, [id]: 'stopping' }));
    try {
      await axios.post(`${APP_ENDPOINTS.apiBase}/bots/${id}/stop`);
      updateBotStatus(id, 'STOPPED');
      await refresh();
    } catch {
      notify(t.stopFail, { tone: 'error' });
    } finally {
      setOperatingBotId(null);
      setControlStateByBot((prev) => {
        const next = { ...prev };
        delete next[id];
        return next;
      });
    }
  };

  const startBot = async (id: string, status: string) => {
    if (status === 'RUNNING') return;
    setOperatingBotId(id);
    setControlStateByBot((prev) => ({ ...prev, [id]: 'starting' }));
    try {
      await axios.post(`${APP_ENDPOINTS.apiBase}/bots/${id}/start`);
      updateBotStatus(id, 'RUNNING');
      await refresh();
    } catch {
      notify(t.startFail, { tone: 'error' });
    } finally {
      setOperatingBotId(null);
      setControlStateByBot((prev) => {
        const next = { ...prev };
        delete next[id];
        return next;
      });
    }
  };

  const send = async () => {
    if (!selectedBot || !canChat || isSending) return;
    if (!command.trim() && pendingAttachments.length === 0) return;
    const text = normalizeUserMessageText(command);
    const payloadText = text || (pendingAttachments.length > 0 ? t.attachmentMessage : '');
    if (!payloadText && pendingAttachments.length === 0) return;

    try {
      setSendingByBot((prev) => ({ ...prev, [selectedBot.id]: true }));
      const res = await axios.post(
        `${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/command`,
        { command: payloadText, attachments: pendingAttachments },
        { timeout: 12000 },
      );
      if (!res.data?.success) {
        throw new Error(t.backendDeliverFail);
      }
      setCommand('');
      setPendingAttachments([]);
    } catch (error: any) {
      const msg = error?.response?.data?.detail || error?.message || t.sendFail;
      addBotMessage(selectedBot.id, {
        role: 'assistant',
        text: t.sendFailMsg(msg),
        ts: Date.now(),
      });
      notify(msg, { tone: 'error' });
    } finally {
      setSendingByBot((prev) => {
        const next = { ...prev };
        delete next[selectedBot.id];
        return next;
      });
    }
  };

  const onComposerKeyDown = (e: KeyboardEvent<HTMLTextAreaElement>) => {
    const native = e.nativeEvent as unknown as { isComposing?: boolean; keyCode?: number };
    if (native.isComposing || native.keyCode === 229) return;
    const isEnter = e.key === 'Enter' || e.key === 'NumpadEnter';
    if (!isEnter || e.shiftKey) return;
    e.preventDefault();
    void send();
  };

  const triggerPickAttachments = () => {
    if (!selectedBot || !canChat || isUploadingAttachments) return;
    filePickerRef.current?.click();
  };

  const onPickAttachments = async (event: ChangeEvent<HTMLInputElement>) => {
    if (!selectedBot || !event.target.files || event.target.files.length === 0) return;
    const files = Array.from(event.target.files);
    const formData = new FormData();
    files.forEach((file) => formData.append('files', file));
    formData.append('path', 'uploads');

    setIsUploadingAttachments(true);
    try {
      const res = await axios.post<WorkspaceUploadResponse>(
        `${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/workspace/upload`,
        formData,
      );
      const uploaded = normalizeAttachmentPaths((res.data?.files || []).map((v) => v.path));
      if (uploaded.length > 0) {
        setPendingAttachments((prev) => Array.from(new Set([...prev, ...uploaded])));
        await loadWorkspaceTree(selectedBot.id, workspaceCurrentPath);
      }
    } catch (error: any) {
      const msg = error?.response?.data?.detail || t.uploadFail;
      notify(msg, { tone: 'error' });
    } finally {
      setIsUploadingAttachments(false);
      event.target.value = '';
    }
  };

  const onBaseProviderChange = (provider: string) => {
    const preset = providerPresets[provider];
    setEditForm((p) => ({
      ...p,
      llm_provider: provider,
      llm_model: preset?.model || p.llm_model,
      api_base: preset?.apiBase ?? p.api_base,
    }));
    setProviderTestResult('');
  };

  const testProviderConnection = async () => {
    if (!editForm.llm_provider || !editForm.llm_model || !editForm.api_key.trim()) {
      notify(t.providerRequired, { tone: 'warning' });
      return;
    }
    setIsTestingProvider(true);
    setProviderTestResult('');
    try {
      const res = await axios.post(`${APP_ENDPOINTS.apiBase}/providers/test`, {
        provider: editForm.llm_provider,
        model: editForm.llm_model,
        api_key: editForm.api_key.trim(),
        api_base: editForm.api_base || undefined,
      });
      if (res.data?.ok) {
        const preview = (res.data.models_preview || []).slice(0, 3).join(', ');
        setProviderTestResult(t.connOk(preview));
      } else {
        setProviderTestResult(t.connFail(res.data?.detail || 'unknown error'));
      }
    } catch (error: any) {
      const msg = error?.response?.data?.detail || error?.message || 'request failed';
      setProviderTestResult(t.connFail(msg));
    } finally {
      setIsTestingProvider(false);
    }
  };

  useEffect(() => {
    if (!selectedBotId) {
      setWorkspaceEntries([]);
      setWorkspaceCurrentPath('');
      setWorkspaceParentPath(null);
      setWorkspaceError('');
      setChannels([]);
      setPendingAttachments([]);
      setCronJobs([]);
      setBotSkills([]);
      setEnvParams({});
      return;
    }
    void loadWorkspaceTree(selectedBotId, '');
    void loadCronJobs(selectedBotId);
    void loadBotSkills(selectedBotId);
    void loadBotEnvParams(selectedBotId);
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [selectedBotId]);

  useEffect(() => {
    if (!workspaceAutoRefresh || !selectedBotId || selectedBot?.docker_status !== 'RUNNING') return;
    let stopped = false;

    const tick = async () => {
      if (stopped) return;
      await loadWorkspaceTree(selectedBotId, workspaceCurrentPath);
    };

    void tick();
    const timer = window.setInterval(() => {
      void tick();
    }, 2000);

    return () => {
      stopped = true;
      window.clearInterval(timer);
    };
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [workspaceAutoRefresh, selectedBotId, selectedBot?.docker_status, workspaceCurrentPath]);

  const saveBot = async (mode: 'params' | 'agent' | 'base') => {
    if (!selectedBot) return;
    setIsSaving(true);
    try {
      const payload: Record<string, string | number> = {};
      if (mode === 'base') {
        payload.name = editForm.name;
        payload.llm_provider = editForm.llm_provider;
        payload.llm_model = editForm.llm_model;
        payload.api_base = editForm.api_base;
        if (editForm.api_key.trim()) payload.api_key = editForm.api_key.trim();
      }
      if (mode === 'params') {
        payload.temperature = clampTemperature(Number(editForm.temperature));
        payload.top_p = Number(editForm.top_p);
        payload.max_tokens = Number(editForm.max_tokens);
      }
      if (mode === 'agent') {
        payload.agents_md = editForm.agents_md;
        payload.soul_md = editForm.soul_md;
        payload.user_md = editForm.user_md;
        payload.tools_md = editForm.tools_md;
        payload.identity_md = editForm.identity_md;
      }

      await axios.put(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}`, payload);
      await refresh();
      setShowBaseModal(false);
      setShowParamModal(false);
      setShowAgentModal(false);
      notify(t.configUpdated, { tone: 'success' });
    } catch (error: any) {
      const msg = error?.response?.data?.detail || t.saveFail;
      notify(msg, { tone: 'error' });
    } finally {
      setIsSaving(false);
    }
  };

  const removeBot = async (botId?: string) => {
    const targetId = botId || selectedBot?.id;
    if (!targetId) return;
    const ok = await confirm({
      title: t.delete,
      message: t.deleteBotConfirm(targetId),
      tone: 'warning',
    });
    if (!ok) return;
    try {
      await axios.delete(`${APP_ENDPOINTS.apiBase}/bots/${targetId}`, { params: { delete_workspace: true } });
      await refresh();
      if (selectedBotId === targetId) setSelectedBotId('');
      notify(t.deleteBotDone, { tone: 'success' });
    } catch {
      notify(t.deleteFail, { tone: 'error' });
    }
  };

  const clearConversationHistory = async () => {
    if (!selectedBot) return;
    const target = selectedBot.name || selectedBot.id;
    const ok = await confirm({
      title: t.clearHistory,
      message: t.clearHistoryConfirm(target),
      tone: 'warning',
    });
    if (!ok) return;
    try {
      await axios.delete(`${APP_ENDPOINTS.apiBase}/bots/${selectedBot.id}/messages`);
      setBotMessages(selectedBot.id, []);
      notify(t.clearHistoryDone, { tone: 'success' });
    } catch (error: any) {
      const msg = error?.response?.data?.detail || t.clearHistoryFail;
      notify(msg, { tone: 'error' });
    }
  };

  const exportConversationJson = () => {
    if (!selectedBot) return;
    try {
      const payload = {
        bot_id: selectedBot.id,
        bot_name: selectedBot.name || selectedBot.id,
        exported_at: new Date().toISOString(),
        message_count: conversation.length,
        messages: conversation.map((m) => ({
          role: m.role,
          text: m.text,
          attachments: m.attachments || [],
          kind: m.kind || 'final',
          ts: m.ts,
          datetime: new Date(m.ts).toISOString(),
        })),
      };
      const blob = new Blob([JSON.stringify(payload, null, 2)], { type: 'application/json;charset=utf-8' });
      const url = URL.createObjectURL(blob);
      const stamp = new Date().toISOString().replace(/[:.]/g, '-');
      const filename = `${selectedBot.id}-conversation-${stamp}.json`;
      const a = document.createElement('a');
      a.href = url;
      a.download = filename;
      document.body.appendChild(a);
      a.click();
      a.remove();
      URL.revokeObjectURL(url);
    } catch {
      notify(t.exportHistoryFail, { tone: 'error' });
    }
  };

  const tabMap: Record<AgentTab, keyof typeof editForm> = {
    AGENTS: 'agents_md',
    SOUL: 'soul_md',
    USER: 'user_md',
    TOOLS: 'tools_md',
    IDENTITY: 'identity_md',
  };

  const renderWorkspaceNodes = (nodes: WorkspaceNode[]): ReactNode[] => {
    const rendered: ReactNode[] = [];
    if (workspaceParentPath !== null) {
      rendered.push(
        <button
          key="dir:.."
          className="workspace-entry dir nav-up"
          onClick={() => void loadWorkspaceTree(selectedBotId, workspaceParentPath || '')}
          title={t.goUpTitle}
        >
          <FolderOpen size={14} />
          <span className="workspace-entry-name">..</span>
          <span className="workspace-entry-meta">{t.goUp}</span>
        </button>,
      );
    }

    nodes.forEach((node) => {
      const key = `${node.type}:${node.path}`;
      if (node.type === 'dir') {
        rendered.push(
          <button
            key={key}
            className="workspace-entry dir"
            onClick={() => void loadWorkspaceTree(selectedBotId, node.path)}
            title={t.openFolderTitle}
          >
            <FolderOpen size={14} />
            <span className="workspace-entry-name">{node.name}</span>
            <span className="workspace-entry-meta">{t.folder}</span>
          </button>,
        );
        return;
      }

      const previewable = isPreviewableWorkspaceFile(node);
      const pdfFile = String(node.ext || '').toLowerCase() === '.pdf';
      rendered.push(
        <button
          key={key}
          className={`workspace-entry file ${previewable ? '' : 'disabled'}`}
          disabled={!previewable || workspaceFileLoading}
          onClick={() => void openWorkspaceFilePreview(node.path)}
          title={previewable ? (pdfFile ? t.download : t.previewTitle) : t.fileNotPreviewable}
        >
          <FileText size={14} />
          <span className="workspace-entry-name">{node.name}</span>
          <span className="workspace-entry-meta mono">{node.ext || '-'}</span>
        </button>,
      );
    });
    return rendered;
  };

  return (
    <>
      <div className={`grid-ops ${compactMode ? 'grid-ops-compact' : ''}`}>
        {!compactMode ? (
        <section className="panel stack ops-bot-list">
          <div className="row-between">
            <h2 style={{ fontSize: 18 }}>{t.titleBots}</h2>
            <div className="ops-list-actions">
              <button
                className="btn btn-secondary btn-sm icon-btn"
                onClick={onOpenImageFactory}
                title={t.manageImages}
                aria-label={t.manageImages}
              >
                <Boxes size={14} />
              </button>
              <button
                className="btn btn-primary btn-sm icon-btn"
                onClick={onOpenCreateWizard}
                title={t.newBot}
                aria-label={t.newBot}
              >
                <Plus size={14} />
              </button>
            </div>
          </div>

          <div className="list-scroll" style={{ maxHeight: '72vh' }}>
            {bots.map((bot) => {
              const selected = selectedBotId === bot.id;
              const controlState = controlStateByBot[bot.id];
              const isOperating = operatingBotId === bot.id;
              const isStarting = controlState === 'starting';
              const isStopping = controlState === 'stopping';
              return (
                <div key={bot.id} className={`ops-bot-card ${selected ? 'is-active' : ''}`} onClick={() => setSelectedBotId(bot.id)}>
                  <span className={`ops-bot-strip ${bot.docker_status === 'RUNNING' ? 'is-running' : 'is-stopped'}`} aria-hidden="true" />
                  <div className="row-between ops-bot-top">
                    <div className="ops-bot-name-wrap">
                      <div className="ops-bot-name">{bot.name}</div>
                      <div className="mono ops-bot-id">{bot.id}</div>
                    </div>
                    <span className={bot.docker_status === 'RUNNING' ? 'badge badge-ok' : 'badge badge-unknown'}>{bot.docker_status}</span>
                  </div>
                  <div className="ops-bot-meta">{t.image}: <span className="mono">{bot.image_tag || '-'}</span></div>
                  <div className="ops-bot-actions">
                    {bot.docker_status === 'RUNNING' ? (
                      <button
                        className="btn btn-danger btn-sm icon-btn"
                        disabled={isOperating}
                        onClick={(e) => {
                          e.stopPropagation();
                          void stopBot(bot.id, bot.docker_status);
                        }}
                        title={t.stop}
                        aria-label={t.stop}
                      >
                        {isStopping ? (
                          <span className="ops-control-pending">
                            <span className="ops-control-dots" aria-hidden="true">
                              <i />
                              <i />
                              <i />
                            </span>
                          </span>
                        ) : <PowerOff size={14} />}
                      </button>
                    ) : (
                      <button
                        className="btn btn-success btn-sm ops-bot-icon-btn"
                        disabled={isOperating}
                        onClick={(e) => {
                          e.stopPropagation();
                          void startBot(bot.id, bot.docker_status);
                        }}
                        title={t.start}
                        aria-label={t.start}
                      >
                        {isStarting ? (
                          <span className="ops-control-pending">
                            <span className="ops-control-dots" aria-hidden="true">
                              <i />
                              <i />
                              <i />
                            </span>
                          </span>
                        ) : <Power size={14} />}
                      </button>
                    )}
                    <button
                      className="btn btn-danger btn-sm ops-bot-icon-btn"
                      onClick={(e) => {
                        e.stopPropagation();
                        void removeBot(bot.id);
                      }}
                      title={t.delete}
                      aria-label={t.delete}
                    >
                      <Trash2 size={14} />
                    </button>
                  </div>
                </div>
              );
            })}
          </div>
        </section>
        ) : null}

        <section className={`panel ops-chat-panel ${compactMode && isCompactMobile && compactPanelTab !== 'chat' ? 'ops-compact-hidden' : ''}`}>
          {selectedBot ? (
            <div className="ops-chat-shell">
                <div className={`ops-chat-frame ${isChatEnabled ? '' : 'is-disabled'}`}>
                <div className="ops-chat-scroll">
                  {conversation.length === 0 ? (
                    <div className="ops-chat-empty">
                      {t.noConversation}
                    </div>
                  ) : (
                    conversationNodes
                  )}

                  {isThinking ? (
                    <div className="ops-chat-row is-assistant">
                      <div className="ops-chat-item is-assistant">
                        <div className="ops-avatar bot" title="Nanobot">
                          <img src={nanobotLogo} alt="Nanobot" />
                        </div>
                        <div className="ops-thinking-bubble">
                          <div className="ops-thinking-cloud">
                            <span className="dot" />
                            <span className="dot" />
                            <span className="dot" />
                          </div>
                          <div className="ops-thinking-text">{t.thinking}</div>
                        </div>
                      </div>
                    </div>
                  ) : null}

                  <div ref={chatBottomRef} />
                </div>

                <div className="ops-composer">
                  <input
                    ref={filePickerRef}
                    type="file"
                    multiple
                    onChange={onPickAttachments}
                    style={{ display: 'none' }}
                  />
                  <textarea
                    className="input ops-composer-input"
                    value={command}
                    onChange={(e) => setCommand(e.target.value)}
                    onKeyDown={onComposerKeyDown}
                    disabled={!canChat}
                    placeholder={
                      canChat
                        ? t.inputPlaceholder
                        : t.disabledPlaceholder
                    }
                  />
                  <button
                    className="btn btn-secondary icon-btn"
                    disabled={!canChat || isUploadingAttachments}
                    onClick={triggerPickAttachments}
                    title={isUploadingAttachments ? t.uploadingFile : t.uploadFile}
                    aria-label={isUploadingAttachments ? t.uploadingFile : t.uploadFile}
                  >
                    <Paperclip size={14} className={isUploadingAttachments ? 'animate-spin' : ''} />
                  </button>
                  <button
                    className="btn btn-primary"
                    disabled={!isChatEnabled || (!command.trim() && pendingAttachments.length === 0)}
                    onClick={() => void send()}
                  >
                    {isSending ? t.sending : t.send}
                  </button>
                </div>
                {pendingAttachments.length > 0 ? (
                  <div className="ops-pending-files">
                    {pendingAttachments.map((p) => (
                      <span key={p} className="ops-pending-chip mono">
                        {p.split('/').pop() || p}
                        <button
                          className="icon-btn ops-chip-remove"
                          onClick={() => setPendingAttachments((prev) => prev.filter((v) => v !== p))}
                          title={t.removeAttachment}
                          aria-label={t.removeAttachment}
                        >
                          <X size={12} />
                        </button>
                      </span>
                    ))}
                  </div>
                ) : null}
                {!canChat ? (
                  <div className="ops-chat-disabled-mask">
                    <div className="ops-chat-disabled-card">
                      {selectedBotControlState === 'starting'
                        ? t.botStarting
                        : selectedBotControlState === 'stopping'
                          ? t.botStopping
                          : t.chatDisabled}
                    </div>
                  </div>
                ) : null}
              </div>
            </div>
          ) : (
            <div style={{ color: 'var(--muted)' }}>
              {forcedBotMissing
                ? `${t.selectBot}: ${String(forcedBotId).trim()}`
                : t.selectBot}
            </div>
          )}
        </section>

        <section className={`panel stack ops-runtime-panel ${compactMode && isCompactMobile && compactPanelTab !== 'runtime' ? 'ops-compact-hidden' : ''}`}>
          {selectedBot ? (
            <div className="ops-runtime-shell">
              <div className="row-between ops-runtime-head">
                <h2 style={{ fontSize: 18 }}>{t.runtime}</h2>
                <div className="ops-panel-tools" ref={runtimeMenuRef}>
                  <button
                    className="btn btn-secondary btn-sm icon-btn"
                    onClick={() => setRuntimeViewMode((m) => (m === 'visual' ? 'text' : 'visual'))}
                    title={runtimeViewMode === 'visual' ? (isZh ? '切换为文字面板' : 'Switch to text panel') : (isZh ? '切换为机器人面板' : 'Switch to bot panel')}
                    aria-label={runtimeViewMode === 'visual' ? (isZh ? '切换为文字面板' : 'Switch to text panel') : (isZh ? '切换为机器人面板' : 'Switch to bot panel')}
                  >
                    <Repeat2 size={14} />
                  </button>
                  <button
                    className="btn btn-secondary btn-sm icon-btn"
                    onClick={() => setRuntimeMenuOpen((v) => !v)}
                    title={runtimeMoreLabel}
                    aria-label={runtimeMoreLabel}
                    aria-haspopup="menu"
                    aria-expanded={runtimeMenuOpen}
                  >
                    <EllipsisVertical size={14} />
                  </button>
                  {runtimeMenuOpen ? (
                    <div className="ops-more-menu" role="menu" aria-label={runtimeMoreLabel}>
                      <button
                        className="ops-more-item"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          setProviderTestResult('');
                          setShowBaseModal(true);
                        }}
                      >
                        <Settings2 size={14} />
                        <span>{t.base}</span>
                      </button>
                      <button
                        className="ops-more-item"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          setShowParamModal(true);
                        }}
                      >
                        <SlidersHorizontal size={14} />
                        <span>{t.params}</span>
                      </button>
                      <button
                        className="ops-more-item"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          if (selectedBot) void loadChannels(selectedBot.id);
                          setShowChannelModal(true);
                        }}
                      >
                        <Waypoints size={14} />
                        <span>{t.channels}</span>
                      </button>
                      <button
                        className="ops-more-item"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          if (!selectedBot) return;
                          void loadBotEnvParams(selectedBot.id);
                          setShowEnvParamsModal(true);
                        }}
                      >
                        <Settings2 size={14} />
                        <span>{t.envParams}</span>
                      </button>
                      <button
                        className="ops-more-item"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          if (!selectedBot) return;
                          void loadBotSkills(selectedBot.id);
                          setShowSkillsModal(true);
                        }}
                      >
                        <Hammer size={14} />
                        <span>{t.skills}</span>
                      </button>
                      <button
                        className="ops-more-item"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          if (selectedBot) void loadCronJobs(selectedBot.id);
                          setShowCronModal(true);
                        }}
                      >
                        <Clock3 size={14} />
                        <span>{t.cronViewer}</span>
                      </button>
                      <button
                        className="ops-more-item"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          setShowAgentModal(true);
                        }}
                      >
                        <FileText size={14} />
                        <span>{t.agent}</span>
                      </button>
                      <button
                        className="ops-more-item"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          exportConversationJson();
                        }}
                      >
                        <Save size={14} />
                        <span>{t.exportHistory}</span>
                      </button>
                      <button
                        className="ops-more-item danger"
                        role="menuitem"
                        onClick={() => {
                          setRuntimeMenuOpen(false);
                          void clearConversationHistory();
                        }}
                      >
                        <Trash2 size={14} />
                        <span>{t.clearHistory}</span>
                      </button>
                    </div>
                  ) : null}
                </div>
              </div>

              <div className="ops-runtime-scroll">
              <div
                className={`card ops-runtime-card ops-runtime-state-card ${runtimeViewMode === 'visual' ? 'is-visual' : ''}`}
                onDoubleClick={() => setRuntimeViewMode((m) => (m === 'visual' ? 'text' : 'visual'))}
                title={isZh ? '双击切换动画/文字状态视图' : 'Double click to toggle visual/text state view'}
              >
                {runtimeViewMode === 'visual' ? (
                  <div className={`ops-state-stage ops-state-${String(displayState).toLowerCase()}`}>
                    <div className="ops-state-model mono">{selectedBot.llm_model || '-'}</div>
                    <div className="ops-state-face" aria-hidden="true">
                      <span className="ops-state-eye left" />
                      <span className="ops-state-eye right" />
                    </div>
                    <div className="ops-state-caption mono">{String(displayState || 'IDLE').toUpperCase()}</div>
                    {displayState === 'TOOL_CALL' ? <Hammer size={18} className="ops-state-float state-tool" /> : null}
                    {displayState === 'SUCCESS' ? <Check size={18} className="ops-state-float state-success" /> : null}
                    {displayState === 'ERROR' ? <TriangleAlert size={18} className="ops-state-float state-error" /> : null}
                  </div>
                ) : (
                  <>
                    <div className="ops-runtime-row"><span>{t.container}</span><strong className="mono">{selectedBot.docker_status}</strong></div>
                    <div className="ops-runtime-row"><span>{t.current}</span><strong className="mono">{displayState}</strong></div>
                    <div className="ops-runtime-row"><span>{t.lastAction}</span><strong>{runtimeAction}</strong></div>
                    <div className="ops-runtime-row"><span>Provider</span><strong className="mono">{selectedBot.llm_provider || '-'}</strong></div>
                    <div className="ops-runtime-row"><span>Model</span><strong className="mono">{selectedBot.llm_model || '-'}</strong></div>
                  </>
                )}
              </div>

              <div className="card ops-runtime-card">
                <div className="section-mini-title">{t.workspaceOutputs}</div>
                {workspaceError ? <div className="ops-empty-inline">{workspaceError}</div> : null}
                <div className="workspace-toolbar">
                  <button
                    className="workspace-refresh-icon-btn"
                    disabled={workspaceLoading || !selectedBotId}
                    onClick={() => void loadWorkspaceTree(selectedBot.id, workspaceCurrentPath)}
                    title={lc.refreshHint}
                    aria-label={lc.refreshHint}
                  >
                    <RefreshCw size={14} className={workspaceLoading ? 'animate-spin' : ''} />
                  </button>
                  <label className="workspace-auto-switch" title={lc.autoRefresh}>
                    <span className="workspace-auto-switch-label">{lc.autoRefresh}</span>
                    <input
                      type="checkbox"
                      checked={workspaceAutoRefresh}
                      onChange={() => setWorkspaceAutoRefresh((v) => !v)}
                      aria-label={t.autoRefresh}
                    />
                    <span className="workspace-auto-switch-track" />
                  </label>
                  <span className="workspace-path mono">{workspaceCurrentPath || '/'}</span>
                </div>
                <div className="workspace-panel">
                  <div className="workspace-list">
                    {workspaceLoading ? (
                      <div className="ops-empty-inline">{t.loadingDir}</div>
                    ) : renderWorkspaceNodes(workspaceEntries).length === 0 ? (
                      <div className="ops-empty-inline">{t.emptyDir}</div>
                    ) : (
                      renderWorkspaceNodes(workspaceEntries)
                    )}
                  </div>
                  <div className="workspace-hint">
                    {workspaceFileLoading
                      ? t.openingPreview
                      : t.workspaceHint}
                  </div>
                </div>
                {workspaceFiles.length === 0 ? (
                  <div className="ops-empty-inline">{t.noPreviewFile}</div>
                ) : null}
              </div>

              </div>
            </div>
          ) : (
            <div style={{ color: 'var(--muted)' }}>
              {forcedBotMissing
                ? `${t.noTelemetry}: ${String(forcedBotId).trim()}`
                : t.noTelemetry}
            </div>
          )}
        </section>
      </div>
      {compactMode && isCompactMobile ? (
        <button
          className="ops-compact-fab-switch"
          onClick={() => setCompactPanelTab((v) => (v === 'chat' ? 'runtime' : 'chat'))}
          title={compactPanelTab === 'chat' ? (isZh ? '切换到运行面板' : 'Switch to runtime') : (isZh ? '切换到对话面板' : 'Switch to chat')}
          aria-label={compactPanelTab === 'chat' ? (isZh ? '切换到运行面板' : 'Switch to runtime') : (isZh ? '切换到对话面板' : 'Switch to chat')}
        >
          {compactPanelTab === 'chat' ? <Activity size={18} /> : <MessageSquareText size={18} />}
        </button>
      ) : null}

      {showBaseModal && (
        <div className="modal-mask" onClick={() => setShowBaseModal(false)}>
          <div className="modal-card" onClick={(e) => e.stopPropagation()}>
            <div className="modal-title-row">
              <h3>{t.baseConfig}</h3>
              <span className="modal-sub">{t.baseConfigSub}</span>
            </div>

            <label className="field-label">{t.botIdReadonly}</label>
            <input className="input" value={selectedBot?.id || ''} disabled />

            <label className="field-label">{t.botName}</label>
            <input className="input" value={editForm.name} onChange={(e) => setEditForm((p) => ({ ...p, name: e.target.value }))} placeholder={t.botNamePlaceholder} />

            <label className="field-label">{t.baseImageReadonly}</label>
            <input className="input" value={editForm.image_tag} disabled />

            <label className="field-label">Provider</label>
            <select className="select" value={editForm.llm_provider} onChange={(e) => onBaseProviderChange(e.target.value)}>
              <option value="openrouter">openrouter</option>
              <option value="dashscope">dashscope (aliyun qwen)</option>
              <option value="openai">openai</option>
              <option value="deepseek">deepseek</option>
              <option value="kimi">kimi (moonshot)</option>
              <option value="minimax">minimax</option>
            </select>

            <label className="field-label">{t.modelName}</label>
            <input className="input" value={editForm.llm_model} onChange={(e) => setEditForm((p) => ({ ...p, llm_model: e.target.value }))} placeholder={t.modelNamePlaceholder} />

            <label className="field-label">{t.newApiKey}</label>
            <input className="input" type="password" value={editForm.api_key} onChange={(e) => setEditForm((p) => ({ ...p, api_key: e.target.value }))} placeholder={t.newApiKeyPlaceholder} />

            <label className="field-label">API Base</label>
            <input className="input" value={editForm.api_base} onChange={(e) => setEditForm((p) => ({ ...p, api_base: e.target.value }))} placeholder="API Base URL" />

            <div className="card" style={{ fontSize: 12, color: 'var(--muted)' }}>
              {providerPresets[editForm.llm_provider]?.note[noteLocale]}
            </div>
            <button className="btn btn-secondary" onClick={() => void testProviderConnection()} disabled={isTestingProvider}>
              {isTestingProvider ? t.testing : t.testModelConnection}
            </button>
            {providerTestResult && <div className="card">{providerTestResult}</div>}
            <div className="row-between">
              <button className="btn btn-secondary" onClick={() => setShowBaseModal(false)}>{t.cancel}</button>
              <button className="btn btn-primary" disabled={isSaving} onClick={() => void saveBot('base')}>{t.save}</button>
            </div>
          </div>
        </div>
      )}

      {showParamModal && (
        <div className="modal-mask" onClick={() => setShowParamModal(false)}>
          <div className="modal-card" onClick={(e) => e.stopPropagation()}>
            <h3>{t.modelParams}</h3>
            <div className="slider-row">
              <label className="field-label">Temperature: {Number(editForm.temperature).toFixed(2)}</label>
              <input type="range" min="0" max="1" step="0.01" value={editForm.temperature} onChange={(e) => setEditForm((p) => ({ ...p, temperature: clampTemperature(Number(e.target.value)) }))} />
            </div>
            <div className="slider-row">
              <label className="field-label">Top P: {Number(editForm.top_p).toFixed(2)}</label>
              <input type="range" min="0" max="1" step="0.01" value={editForm.top_p} onChange={(e) => setEditForm((p) => ({ ...p, top_p: Number(e.target.value) }))} />
            </div>
            <label className="field-label">Max Tokens</label>
            <input className="input" type="number" step="1" min="256" max="32768" value={editForm.max_tokens} onChange={(e) => setEditForm((p) => ({ ...p, max_tokens: Number(e.target.value) }))} />
            <div className="row-between">
              <button className="btn btn-secondary" onClick={() => setShowParamModal(false)}>{t.cancel}</button>
              <button className="btn btn-primary" disabled={isSaving} onClick={() => void saveBot('params')}>{t.saveParams}</button>
            </div>
          </div>
        </div>
      )}

      {showChannelModal && (
        <div className="modal-mask" onClick={() => setShowChannelModal(false)}>
          <div className="modal-card modal-wide" onClick={(e) => e.stopPropagation()}>
            <h3>{lc.wizardSectionTitle}</h3>
            <div className="card" style={{ fontSize: 12, color: 'var(--muted)' }}>
              {lc.wizardSectionDesc}
            </div>
            <div className="card">
              <div className="section-mini-title">{lc.globalDeliveryTitle}</div>
              <div className="field-label">{lc.globalDeliveryDesc}</div>
              <div className="wizard-dashboard-switches" style={{ marginTop: 8 }}>
                <label className="field-label">
                  <input
                    type="checkbox"
                    checked={Boolean(globalDelivery.sendProgress)}
                    onChange={(e) => updateGlobalDeliveryFlag('sendProgress', e.target.checked)}
                    style={{ marginRight: 6 }}
                  />
                  {lc.sendProgress}
                </label>
                <label className="field-label">
                  <input
                    type="checkbox"
                    checked={Boolean(globalDelivery.sendToolHints)}
                    onChange={(e) => updateGlobalDeliveryFlag('sendToolHints', e.target.checked)}
                    style={{ marginRight: 6 }}
                  />
                  {lc.sendToolHints}
                </label>
                <button
                  className="btn btn-primary btn-sm icon-btn"
                  disabled={isSavingGlobalDelivery || !selectedBot}
                  onClick={() => void saveGlobalDelivery()}
                  title={lc.saveChannel}
                  aria-label={lc.saveChannel}
                >
                  <Save size={14} />
                </button>
              </div>
            </div>
            <div className="wizard-channel-list">
              {channels.map((channel, idx) => (
                isDashboardChannel(channel) ? null : (
                <div key={`${channel.id}-${channel.channel_type}`} className="card wizard-channel-card wizard-channel-compact">
                  <div className="row-between">
                    <strong style={{ textTransform: 'uppercase' }}>{channel.channel_type}</strong>
                    <div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
                      <label className="field-label">
                        <input
                          type="checkbox"
                          checked={channel.is_active}
                          onChange={(e) => updateChannelLocal(idx, { is_active: e.target.checked })}
                          disabled={isDashboardChannel(channel)}
                          style={{ marginRight: 6 }}
                        />
                        {lc.enabled}
                      </label>
                      <button
                        className="btn btn-danger btn-sm wizard-icon-btn"
                        disabled={isDashboardChannel(channel) || isSavingChannel}
                        onClick={() => void removeChannel(channel)}
                        title={lc.remove}
                      >
                        <Trash2 size={14} />
                      </button>
                    </div>
                  </div>
                  {renderChannelFields(channel, idx)}
                  <div className="row-between">
                    <span className="field-label">{lc.customChannel}</span>
                    <button
                      className="btn btn-primary btn-sm icon-btn"
                      disabled={isSavingChannel}
                      onClick={() => void saveChannel(channel)}
                      title={lc.saveChannel}
                      aria-label={lc.saveChannel}
                    >
                      <Save size={14} />
                    </button>
                  </div>
                </div>
                )
              ))}
            </div>

            <div className="row-between">
              <select
                className="select"
                value={newChannelType}
                onChange={(e) => setNewChannelType(e.target.value as ChannelType)}
                disabled={addableChannelTypes.length === 0 || isSavingChannel}
              >
                {addableChannelTypes.map((t) => (
                  <option key={t} value={t}>{t}</option>
                ))}
              </select>
              <button
                className="btn btn-secondary btn-sm icon-btn"
                disabled={addableChannelTypes.length === 0 || isSavingChannel}
                onClick={() => void addChannel()}
                title={lc.addChannel}
                aria-label={lc.addChannel}
              >
                <Plus size={14} />
              </button>
            </div>
            <div className="row-between">
              <span className="field-label">{lc.wizardSectionDesc}</span>
              <button className="btn btn-primary" onClick={() => setShowChannelModal(false)}>{lc.close}</button>
            </div>
          </div>
        </div>
      )}

      {showSkillsModal && (
        <div className="modal-mask" onClick={() => setShowSkillsModal(false)}>
          <div className="modal-card modal-wide" onClick={(e) => e.stopPropagation()}>
            <h3>{t.skillsPanel}</h3>
            <div className="wizard-channel-list">
              {botSkills.length === 0 ? (
                <div className="ops-empty-inline">{t.skillsEmpty}</div>
              ) : (
                botSkills.map((skill) => (
                  <div key={skill.id} className="card wizard-channel-card wizard-channel-compact">
                    <div className="row-between">
                      <div>
                        <strong>{skill.name || skill.id}</strong>
                        <div className="field-label mono">{skill.path}</div>
                        <div className="field-label mono">{String(skill.type || '').toUpperCase()}</div>
                        <div className="field-label">{skill.description || '-'}</div>
                      </div>
                      <button
                        className="btn btn-danger btn-sm wizard-icon-btn"
                        onClick={() => void removeBotSkill(skill)}
                        title={t.removeSkill}
                      >
                        <Trash2 size={14} />
                      </button>
                    </div>
                  </div>
                ))
              )}
            </div>

            <div className="row-between">
              <input
                ref={skillZipPickerRef}
                type="file"
                accept=".zip,application/zip,application/x-zip-compressed"
                onChange={onPickSkillZip}
                style={{ display: 'none' }}
              />
              <button
                className="btn btn-secondary btn-sm"
                disabled={isSkillUploading}
                onClick={triggerSkillZipUpload}
                title={isSkillUploading ? t.uploadingFile : t.uploadZipSkill}
                aria-label={isSkillUploading ? t.uploadingFile : t.uploadZipSkill}
              >
                {isSkillUploading ? <RefreshCw size={14} className="animate-spin" /> : null}
                <span style={{ marginLeft: isSkillUploading ? 6 : 0 }}>
                  {isSkillUploading ? t.uploadingFile : t.uploadZipSkill}
                </span>
              </button>
              <span className="field-label">{t.zipOnlyHint}</span>
            </div>
            <div className="row-between">
              <span className="field-label"> </span>
              <button className="btn btn-primary" onClick={() => setShowSkillsModal(false)}>{t.close}</button>
            </div>
          </div>
        </div>
      )}

      {showEnvParamsModal && (
        <div className="modal-mask" onClick={() => setShowEnvParamsModal(false)}>
          <div className="modal-card modal-wide" onClick={(e) => e.stopPropagation()}>
            <h3>{t.envParams}</h3>
            <div className="field-label" style={{ marginBottom: 8 }}>{t.envParamsDesc}</div>
            <div className="wizard-channel-list">
              {envEntries.length === 0 ? (
                <div className="ops-empty-inline">{t.noEnvParams}</div>
              ) : (
                envEntries.map(([key, value]) => (
                  <div key={key} className="card wizard-channel-card wizard-channel-compact">
                    <div className="row-between" style={{ alignItems: 'center', gap: 8 }}>
                      <input className="input mono" value={key} readOnly style={{ maxWidth: 280 }} />
                      <input
                        className="input"
                        type={envVisibleByKey[key] ? 'text' : 'password'}
                        value={value}
                        onChange={(e) => upsertEnvParam(key, e.target.value)}
                        placeholder={t.envValue}
                      />
                      <button
                        className="btn btn-secondary btn-sm wizard-icon-btn"
                        onClick={() => setEnvVisibleByKey((prev) => ({ ...prev, [key]: !prev[key] }))}
                        title={envVisibleByKey[key] ? t.hideEnvValue : t.showEnvValue}
                        aria-label={envVisibleByKey[key] ? t.hideEnvValue : t.showEnvValue}
                      >
                        {envVisibleByKey[key] ? <EyeOff size={14} /> : <Eye size={14} />}
                      </button>
                      <button
                        className="btn btn-danger btn-sm wizard-icon-btn"
                        onClick={() => removeEnvParam(key)}
                        title={t.removeEnvParam}
                      >
                        <Trash2 size={14} />
                      </button>
                    </div>
                  </div>
                ))
              )}
            </div>

            <div className="row-between">
              <input
                className="input mono"
                value={envDraftKey}
                onChange={(e) => setEnvDraftKey(e.target.value.toUpperCase())}
                placeholder={t.envKey}
              />
              <input
                className="input"
                type={envDraftVisible ? 'text' : 'password'}
                value={envDraftValue}
                onChange={(e) => setEnvDraftValue(e.target.value)}
                placeholder={t.envValue}
              />
              <button
                className="btn btn-secondary btn-sm icon-btn"
                onClick={() => setEnvDraftVisible((v) => !v)}
                title={envDraftVisible ? t.hideEnvValue : t.showEnvValue}
                aria-label={envDraftVisible ? t.hideEnvValue : t.showEnvValue}
              >
                {envDraftVisible ? <EyeOff size={14} /> : <Eye size={14} />}
              </button>
              <button
                className="btn btn-secondary btn-sm icon-btn"
                onClick={() => {
                  const key = String(envDraftKey || '').trim().toUpperCase();
                  if (!key) return;
                  upsertEnvParam(key, envDraftValue);
                  setEnvDraftValue('');
                }}
                title={t.addEnvParam}
                aria-label={t.addEnvParam}
              >
                <Plus size={14} />
              </button>
            </div>
            <div className="row-between">
              <span className="field-label">{t.envParamsHint}</span>
              <div style={{ display: 'flex', gap: 8 }}>
                <button className="btn btn-secondary" onClick={() => setShowEnvParamsModal(false)}>{t.cancel}</button>
                <button className="btn btn-primary" onClick={() => void saveBotEnvParams()}>{t.save}</button>
              </div>
            </div>
          </div>
        </div>
      )}

      {showCronModal && (
        <div className="modal-mask" onClick={() => setShowCronModal(false)}>
          <div className="modal-card modal-wide" onClick={(e) => e.stopPropagation()}>
            <div className="row-between">
              <h3>{t.cronViewer}</h3>
              <button
                className="btn btn-secondary btn-sm icon-btn"
                onClick={() => selectedBot && void loadCronJobs(selectedBot.id)}
                title={t.cronReload}
                aria-label={t.cronReload}
                disabled={cronLoading}
              >
                <RefreshCw size={14} className={cronLoading ? 'animate-spin' : ''} />
              </button>
            </div>
            {cronLoading ? (
              <div className="ops-empty-inline">{t.cronLoading}</div>
            ) : cronJobs.length === 0 ? (
              <div className="ops-empty-inline">{t.cronEmpty}</div>
            ) : (
              <div className="ops-cron-list">
                {cronJobs.map((job) => {
                  const stopping = cronActionJobId === job.id;
                  const channel = String(job.payload?.channel || '').trim();
                  const to = String(job.payload?.to || '').trim();
                  const target = channel && to ? `${channel}:${to}` : channel || to || '-';
                  return (
                    <div key={job.id} className="ops-cron-item">
                      <div className="ops-cron-main">
                        <div className="ops-cron-name">
                          <Clock3 size={13} />
                          <span>{job.name || job.id}</span>
                        </div>
                        <div className="ops-cron-meta mono">{formatCronSchedule(job, isZh)}</div>
                        <div className="ops-cron-meta mono">
                          {job.state?.nextRunAtMs ? new Date(job.state.nextRunAtMs).toLocaleString() : '-'}
                        </div>
                        <div className="ops-cron-meta mono">
                          {target}
                        </div>
                        <div className="ops-cron-meta">{job.enabled === false ? t.cronDisabled : t.cronEnabled}</div>
                      </div>
                      <div className="ops-cron-actions">
                        <button
                          className="btn btn-danger btn-sm icon-btn"
                          onClick={() => void stopCronJob(job.id)}
                          title={t.cronStop}
                          aria-label={t.cronStop}
                          disabled={stopping || job.enabled === false}
                        >
                          <PowerOff size={13} />
                        </button>
                        <button
                          className="btn btn-danger btn-sm icon-btn"
                          onClick={() => void deleteCronJob(job.id)}
                          title={t.cronDelete}
                          aria-label={t.cronDelete}
                          disabled={stopping}
                        >
                          <Trash2 size={13} />
                        </button>
                      </div>
                    </div>
                  );
                })}
              </div>
            )}
            <div className="row-between">
              <button className="btn btn-secondary" onClick={() => setShowCronModal(false)}>{t.close}</button>
              <span />
            </div>
          </div>
        </div>
      )}

      {showAgentModal && (
        <div className="modal-mask" onClick={() => setShowAgentModal(false)}>
          <div className="modal-card modal-wide" onClick={(e) => e.stopPropagation()}>
            <h3>{t.agentFiles}</h3>
            <div className="wizard-agent-layout">
              <div className="agent-tabs-vertical">
                {(['AGENTS', 'SOUL', 'USER', 'TOOLS', 'IDENTITY'] as AgentTab[]).map((tab) => (
                  <button key={tab} className={`agent-tab ${agentTab === tab ? 'active' : ''}`} onClick={() => setAgentTab(tab)}>{tab}.md</button>
                ))}
              </div>
              <textarea className="textarea md-area" value={String(editForm[tabMap[agentTab]])} onChange={(e) => setEditForm((p) => ({ ...p, [tabMap[agentTab]]: e.target.value }))} />
            </div>
            <div className="row-between">
              <button className="btn btn-secondary" onClick={() => setShowAgentModal(false)}>{t.cancel}</button>
              <button className="btn btn-primary" disabled={isSaving} onClick={() => void saveBot('agent')}>{t.saveFiles}</button>
            </div>
          </div>
        </div>
      )}

      {workspacePreview && (
        <div className="modal-mask" onClick={() => setWorkspacePreview(null)}>
          <div className="modal-card modal-preview" onClick={(e) => e.stopPropagation()}>
            <div className="modal-title-row">
              <h3>{t.filePreview}</h3>
              <span className="modal-sub mono">{workspacePreview.path}</span>
            </div>
            <div className={`workspace-preview-body ${workspacePreview.isMarkdown ? 'markdown' : ''}`}>
              {workspacePreview.isMarkdown ? (
                <div className="workspace-markdown">
                  <ReactMarkdown remarkPlugins={[remarkGfm]} components={markdownComponents}>
                    {workspacePreview.content}
                  </ReactMarkdown>
                </div>
              ) : (
                <pre>{workspacePreview.content}</pre>
              )}
            </div>
            {workspacePreview.truncated ? (
              <div className="ops-empty-inline">{t.fileTruncated}</div>
            ) : null}
            <div className="row-between">
              <span className="workspace-preview-meta mono">{workspacePreview.ext || '-'}</span>
              <div style={{ display: 'inline-flex', alignItems: 'center', gap: 8 }}>
                <a
                  className="btn btn-secondary"
                  href={`${APP_ENDPOINTS.apiBase}/bots/${selectedBotId}/workspace/download?path=${encodeURIComponent(workspacePreview.path)}&download=1`}
                  target="_blank"
                  rel="noopener noreferrer"
                  download={workspacePreview.path.split('/').pop() || 'workspace-file'}
                >
                  {t.download}
                </a>
                <button className="btn btn-primary" onClick={() => setWorkspacePreview(null)}>{t.close}</button>
              </div>
            </div>
          </div>
        </div>
      )}
    </>
  );
}
