perf(renderer): field-level settings subscriptions, file list virtualization, per-panel error boundary

- TerminalView: replace whole-settings subscription with five useShallow
  field groups; theme writes no longer refit every pane, and unrelated
  settings writes no longer touch xterm options at all. useResolvedTheme
  is now a shallow subscription + memoized lookup. TerminalHandle was dead
  (no caller ever passed a ref) — dropped forwardRef/useImperativeHandle
- FilePanel: fixed-row-height (24px) windowing above 200 entries, no new
  dependency (antd 6 ships @rc-component/virtual-list only transitively);
  per-row Dropdown kept. NOTE: .sftp-row is now box-sizing:border-box
  height:24px, keep in sync with ROW_HEIGHT in FilePanel.tsx
- PanelErrorBoundary wraps each dockview panel so a pane crash no longer
  unmounts the whole workspace (i18n: workspace.error.panelTitle/panelRetry)
- SshBottomPanel: memo(FilePanel) — sessionId is the only prop and constant
- TransferPanel: ref-held Map + version counter replaces per-event Map
  copies; memo rows skip unchanged entries
- MonitorPanel: ResizeObserver/canvas setup runs once, data updates only
  redraw

src/renderer/src/ErrorBoundary.tsx

@@ -65,3 +65,45 @@ export class ErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundarySt
     return this.props.children
   }
 }
+
+interface PanelErrorBoundaryProps {
+  children: ReactNode
+  /** Shown above the message so the user knows which pane failed. */
+  label?: string
+}
+
+/**
+ * Per-panel boundary. Without it a render crash inside one dockview pane took
+ * the whole workspace down to the root boundary's reload screen, losing every
+ * other live session. A crashed pane is replaced in place and can be remounted
+ * on retry; the rest of the workspace is untouched.
+ */
+export class PanelErrorBoundary extends Component<PanelErrorBoundaryProps, ErrorBoundaryState> {
+  state: ErrorBoundaryState = { error: null }
+
+  static getDerivedStateFromError(error: Error): ErrorBoundaryState {
+    return { error }
+  }
+
+  componentDidCatch(error: Error, info: ErrorInfo): void {
+    console.error('[PanelErrorBoundary]', this.props.label, error, info.componentStack)
+  }
+
+  /** Clear the error and let React mount the subtree again from scratch. */
+  private retry = (): void => {
+    this.setState({ error: null })
+  }
+
+  render(): ReactNode {
+    if (!this.state.error) return this.props.children
+    return (
+      <div className="panel-error">
+        <div className="panel-error-title">{this.props.label ?? t('workspace.error.panelTitle')}</div>
+        <pre className="panel-error-message">{this.state.error.message}</pre>
+        <button type="button" className="panel-error-retry" onClick={this.retry}>
+          {t('workspace.error.panelRetry')}
+        </button>
+      </div>
+    )
+  }
+}

src/renderer/src/global.css

@@ -105,3 +105,48 @@ button {
   opacity: 0.75;
   font-weight: 500;
 }
+
+/* ---- per-panel error placeholder (PanelErrorBoundary) ---- */
+.panel-error {
+  height: 100%;
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  padding: 16px;
+  box-sizing: border-box;
+  background: var(--chrome-bg);
+  color: var(--chrome-fg);
+  text-align: center;
+}
+
+.panel-error-title {
+  font-size: 13px;
+  opacity: 0.85;
+}
+
+.panel-error-message {
+  max-width: 100%;
+  max-height: 40%;
+  margin: 0;
+  overflow: auto;
+  white-space: pre-wrap;
+  font-size: 12px;
+  color: #ff6b6b;
+}
+
+.panel-error-retry {
+  padding: 4px 16px;
+  cursor: pointer;
+  color: var(--chrome-fg);
+  background: var(--chrome-hover);
+  border: 1px solid var(--chrome-border);
+  border-radius: 4px;
+  font-size: 12px;
+}
+
+.panel-error-retry:hover {
+  border-color: var(--chrome-accent);
+}

src/renderer/src/monitor/MonitorPanel.tsx

@@ -26,6 +26,17 @@ interface HistoryChartProps {
 function HistoryChart({ data, lineColor, fillColor, height, maxY }: HistoryChartProps): React.JSX.Element {
   const containerRef = useRef<HTMLDivElement | null>(null)
   const canvasRef = useRef<HTMLCanvasElement | null>(null)
+  // Latest sample + the live draw function. The observer and the canvas
+  // context are set up ONCE (their inputs are fixed at the call sites); a new
+  // sample only repaints. The previous version listed `data` in the setup
+  // effect, so every 3s sample tore down the observer and rebuilt the canvas.
+  const dataRef = useRef<number[]>(data)
+  const drawRef = useRef<(() => void) | null>(null)
+
+  useEffect(() => {
+    dataRef.current = data
+    drawRef.current?.()
+  }, [data])
 
   useEffect(() => {
     const container = containerRef.current
@@ -44,7 +55,7 @@ function HistoryChart({ data, lineColor, fillColor, height, maxY }: HistoryChart
       ctx.setTransform(dpr, 0, 0, dpr, 0, 0)
       ctx.clearRect(0, 0, width, height)
 
-      const pts = data
+      const pts = dataRef.current
       if (pts.length < 2) return
 
       const top = maxY ?? Math.max(1, Math.max(...pts) * 1.2)
@@ -76,13 +87,15 @@ function HistoryChart({ data, lineColor, fillColor, height, maxY }: HistoryChart
       ctx.stroke()
     }
 
+    drawRef.current = draw
     draw()
     const ro = new ResizeObserver(draw)
     ro.observe(container)
-    return () => ro.disconnect()
-    // `data` is a dep on purpose: without it the chart only ever drew at mount,
-    // when the history is still empty, and the sparklines never updated.
-  }, [data, height, maxY, lineColor, fillColor])
+    return () => {
+      ro.disconnect()
+      drawRef.current = null
+    }
+  }, [height, maxY, lineColor, fillColor])
 
   return (
     <div ref={containerRef} className="mm-chart">

src/renderer/src/settings/store.ts

@@ -2,7 +2,9 @@ import type { AppSettings, LockSettings, SystemSettings, TerminalSettings } from
 import { DEFAULT_SETTINGS } from '@shared/settings'
 import type { TerminalTheme } from '@shared/theme'
 import { getThemeById } from '@shared/theme'
+import { useMemo } from 'react'
 import { create } from 'zustand'
+import { useShallow } from 'zustand/react/shallow'
 
 export interface SettingsState {
   /** true once initial settings have been loaded from the main process */
@@ -146,9 +148,13 @@ export const useSettingsStore = create<SettingsState>((set, get) => ({
 
 /**
  * Resolve the currently active TerminalTheme (builtin or custom) from the store.
- * Subscribes to settings so consumers re-render when the active theme changes.
+ * Subscribes to the two fields it actually reads (shallow), so an unrelated
+ * settings write — a font tweak, a lock preference — does not re-render every
+ * consumer. `getThemeById` rebuilds the array on every call, hence useMemo.
  */
 export function useResolvedTheme(): TerminalTheme {
-  const settings = useSettingsStore((s) => s.settings)
-  return getThemeById(settings.terminal.themeId, settings.customThemes)
+  const { themeId, customThemes } = useSettingsStore(
+    useShallow((s) => ({ themeId: s.settings.terminal.themeId, customThemes: s.settings.customThemes }))
+  )
+  return useMemo(() => getThemeById(themeId, customThemes), [themeId, customThemes])
 }

src/renderer/src/sftp/FilePanel.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
+import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import {
   ArrowUpOutlined,
   CopyOutlined,
@@ -114,6 +114,29 @@ function permColLabels(): string[] {
   return [t('ssh.file.permColRead'), t('ssh.file.permColWrite'), t('ssh.file.permColExec')]
 }
 
+/** Row height in px — must match `.sftp-row` in sftp.css. */
+const ROW_HEIGHT = 24
+/** Rows rendered above and below the viewport so a fast scroll never blanks. */
+const OVERSCAN = 8
+/**
+ * Above this entry count the list switches to windowed rendering. Each row
+ * carries an antd Dropdown, so a node_modules-sized listing (tens of thousands
+ * of entries) mounted at once locked the window up entirely; below the
+ * threshold a plain map is cheaper than the bookkeeping.
+ */
+const VIRTUALIZE_THRESHOLD = 200
+
+/** Slice of the entry list to mount for the current scroll position. */
+interface WindowSlice {
+  start: number
+  end: number
+}
+
+/** First index to render for a given scroll offset and viewport height. */
+function windowStart(scrollTop: number): number {
+  return Math.max(0, Math.floor(scrollTop / ROW_HEIGHT) - OVERSCAN)
+}
+
 interface PermissionModalProps {
   open: boolean
   sessionId: string
@@ -316,7 +339,13 @@ function PermissionModal({ open, sessionId, entry, onClose, onSaved }: Permissio
   )
 }
 
-export function FilePanel({ sessionId }: FilePanelProps): React.JSX.Element {
+/**
+ * Memoized: `sessionId` is the only prop and it is stable for the panel's
+ * lifetime, so dragging the SSH divider (which re-renders SshBottomPanel on
+ * every pointermove) no longer re-renders the whole file browser. Switching to
+ * a different directory still works — it is internal state.
+ */
+export const FilePanel = memo(function FilePanel({ sessionId }: FilePanelProps): React.JSX.Element {
   const { message, modal } = App.useApp()
   const [dir, setDir] = useState('/')
   const [entries, setEntries] = useState<SftpEntry[]>([])
@@ -329,6 +358,46 @@ export function FilePanel({ sessionId }: FilePanelProps): React.JSX.Element {
   const [permOpen, setPermOpen] = useState(false)
   const [inputValue, setInputValue] = useState('')
 
+  // Windowed list state. `viewportH` is measured off the scroll container and
+  // `firstVisible` only advances when the scroll offset crosses a row boundary,
+  // so dragging the scrollbar re-renders at most once per ROW_HEIGHT of travel.
+  const listRef = useRef<HTMLDivElement | null>(null)
+  const [viewportH, setViewportH] = useState(0)
+  const [firstVisible, setFirstVisible] = useState(0)
+  const virtualized = entries.length > VIRTUALIZE_THRESHOLD
+
+  useEffect(() => {
+    const el = listRef.current
+    if (!el) return
+    const measure = (): void => setViewportH(el.clientHeight)
+    measure()
+    const observer = new ResizeObserver(measure)
+    observer.observe(el)
+    return () => observer.disconnect()
+    // `error` swaps the scroll container out for the error banner, so the
+    // observer has to be re-attached whenever the container is replaced.
+  }, [error])
+
+  // A new directory starts at the top; the stale scroll offset would otherwise
+  // leave the window slice pointing past the (now shorter) listing.
+  useEffect(() => {
+    const el = listRef.current
+    if (el) el.scrollTop = 0
+    setFirstVisible(0)
+  }, [dir])
+
+  const onListScroll = useCallback(() => {
+    const el = listRef.current
+    if (!el) return
+    const start = windowStart(el.scrollTop)
+    setFirstVisible((prev) => (prev === start ? prev : start))
+  }, [])
+
+  const slice = useMemo((): WindowSlice => {
+    const visible = Math.ceil(viewportH / ROW_HEIGHT) + OVERSCAN * 2
+    return { start: firstVisible, end: Math.min(entries.length, firstVisible + visible) }
+  }, [viewportH, firstVisible, entries.length])
+
   /** the entry the context menu is operating on (selected when right-clicked) */
   const menuTarget = menuEntry ?? selected
 
@@ -624,6 +693,44 @@ export function FilePanel({ sessionId }: FilePanelProps): React.JSX.Element {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [menuTarget, dir, entries, refresh, language])
 
+  /** One directory entry: icon, name, permissions, owner, size, mtime + menu. */
+  const renderRow = (e: SftpEntry): React.JSX.Element => (
+    <Dropdown
+      key={e.path}
+      menu={menu}
+      trigger={['contextMenu']}
+      getPopupContainer={() => document.body}
+      onOpenChange={(open) => {
+        if (!open) setMenuEntry(null)
+      }}
+    >
+      <div
+        className={`sftp-row${selected?.path === e.path ? ' sftp-row-selected' : ''}`}
+        onClick={() => setSelected(e)}
+        onContextMenu={() => {
+          setSelected(e)
+          setMenuEntry(e)
+        }}
+        onDoubleClick={() => (e.isDir ? void refresh(e.path) : doDownload(e))}
+      >
+        <span className="sftp-icon">{e.isDir ? <FolderOutlined className="sftp-icon-dir" /> : <FileOutlined />}</span>
+        <span className="sftp-name" title={e.name}>
+          {e.name}
+        </span>
+        <span className="sftp-mode" title={e.mode ?? t('ssh.file.modeUnavailable')}>
+          {e.mode ?? '----------'}
+        </span>
+        <span className="sftp-owner" title={`UID ${e.uid ?? '—'} / GID ${e.gid ?? '—'}`}>
+          {e.uid != null && e.gid != null ? `${e.uid}/${e.gid}` : '—'}
+        </span>
+        <span className="sftp-size" title={e.isDir ? '' : `${e.size} bytes`}>
+          {e.isDir ? '' : fmtSize(e.size)}
+        </span>
+        <span className="sftp-time">{fmtTime(e.mtime)}</span>
+      </div>
+    </Dropdown>
+  )
+
   return (
     <div className="sftp-panel">
       <div className="sftp-toolbar">
@@ -707,45 +814,21 @@ export function FilePanel({ sessionId }: FilePanelProps): React.JSX.Element {
       {error ? (
         <div className="sftp-error">{error}</div>
       ) : (
-        <div className="sftp-list">
+        <div className="sftp-list" ref={listRef} onScroll={onListScroll}>
           {loading && entries.length === 0 && <div className="sftp-empty">{t('ssh.file.loading')}</div>}
           {!loading && entries.length === 0 && <div className="sftp-empty">{t('ssh.file.empty')}</div>}
-          {entries.map((e) => (
-            <Dropdown
-              key={e.path}
-              menu={menu}
-              trigger={['contextMenu']}
-              getPopupContainer={() => document.body}
-              onOpenChange={(open) => {
-                if (!open) setMenuEntry(null)
-              }}
-            >
+          {virtualized ? (
+            <div className="sftp-list-virtual" style={{ height: entries.length * ROW_HEIGHT }}>
               <div
-                className={`sftp-row${selected?.path === e.path ? ' sftp-row-selected' : ''}`}
-                onClick={() => setSelected(e)}
-                onContextMenu={() => {
-                  setSelected(e)
-                  setMenuEntry(e)
-                }}
-                onDoubleClick={() => (e.isDir ? void refresh(e.path) : doDownload(e))}
+                className="sftp-list-window"
+                style={{ transform: `translateY(${slice.start * ROW_HEIGHT}px)` }}
               >
-                <span className="sftp-icon">{e.isDir ? <FolderOutlined className="sftp-icon-dir" /> : <FileOutlined />}</span>
-                <span className="sftp-name" title={e.name}>
-                  {e.name}
-                </span>
-                <span className="sftp-mode" title={e.mode ?? t('ssh.file.modeUnavailable')}>
-                  {e.mode ?? '----------'}
-                </span>
-                <span className="sftp-owner" title={`UID ${e.uid ?? '—'} / GID ${e.gid ?? '—'}`}>
-                  {e.uid != null && e.gid != null ? `${e.uid}/${e.gid}` : '—'}
-                </span>
-                <span className="sftp-size" title={e.isDir ? '' : `${e.size} bytes`}>
-                  {e.isDir ? '' : fmtSize(e.size)}
-                </span>
-                <span className="sftp-time">{fmtTime(e.mtime)}</span>
+                {entries.slice(slice.start, slice.end).map(renderRow)}
               </div>
-            </Dropdown>
-          ))}
+            </div>
+          ) : (
+            entries.map(renderRow)
+          )}
         </div>
       )}
 
@@ -791,4 +874,4 @@ export function FilePanel({ sessionId }: FilePanelProps): React.JSX.Element {
       </Modal>
     </div>
   )
-}
+})

src/renderer/src/sftp/TransferPanel.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useRef, useState } from 'react'
+import { memo, useCallback, useEffect, useRef, useState } from 'react'
 import { CloseOutlined } from '@ant-design/icons'
 import type { TransferKind, TransferProgressEvent, TransferState } from '@shared/sftp'
 import { t } from '@shared/i18n'
@@ -14,12 +14,89 @@ interface TransferEntry {
   error?: string
 }
 
+interface TransferRowProps {
+  id: string
+  entry: TransferEntry
+  onDismiss: (id: string) => void
+}
+
+/**
+ * Memoized on the entry object: the progress channel replaces only the entry a
+ * transfer owns, so a busy multi-transfer overlay re-renders the advancing row
+ * and leaves the others alone.
+ */
+const TransferRow = memo(function TransferRow({ id, entry, onDismiss }: TransferRowProps): React.JSX.Element {
+  const pct =
+    entry.totalBytes > 0
+      ? Math.min(100, Math.round((entry.bytes / entry.totalBytes) * 100))
+      : entry.state === 'done'
+        ? 100
+        : 0
+  return (
+    <div className={`sftp-transfer sftp-transfer-${entry.state}`}>
+      <div className="sftp-transfer-head">
+        <span className="sftp-transfer-title">
+          {entry.state === 'error'
+            ? t('panels.transfer.failed')
+            : entry.state === 'cancelled'
+              ? t('panels.transfer.cancelled')
+              : entry.state === 'done'
+                ? t('panels.transfer.done')
+                : entry.kind === 'upload'
+                  ? t('panels.transfer.uploading')
+                  : entry.kind === 'download'
+                    ? t('panels.transfer.downloading')
+                    : entry.kind === 'zmodem-upload'
+                      ? t('panels.transfer.zmodemUploading')
+                      : t('panels.transfer.zmodemDownloading')}
+        </span>
+        {/* Only the SFTP engine's own transfers can be cancelled; zmodem
+            runs in a separate engine that ignores cancelTransfer. */}
+        {entry.state === 'running' && (entry.kind === 'upload' || entry.kind === 'download') && (
+          <button
+            type="button"
+            className="sftp-transfer-cancel"
+            onClick={() => window.api.cancelTransfer(id)}
+          >
+            {t('common.cancel')}
+          </button>
+        )}
+        {/* Cancelled rows dismiss themselves after 3s, but one that also
+            carries an error (a cancel racing a failed file) skips that
+            path, so every terminal state keeps a manual close. */}
+        {(entry.state === 'error' || entry.state === 'done' || entry.state === 'cancelled') && (
+          <button
+            type="button"
+            className="sftp-transfer-close"
+            onClick={() => onDismiss(id)}
+          >
+            <CloseOutlined />
+          </button>
+        )}
+      </div>
+      <div className="sftp-transfer-file">{entry.file || entry.error || ''}</div>
+      {entry.state === 'running' && entry.totalBytes > 0 && (
+        <div className="sftp-transfer-bar">
+          <div className="sftp-transfer-fill" style={{ width: `${pct}%` }} />
+        </div>
+      )}
+      {entry.error && <div className="sftp-transfer-err">{entry.error}</div>}
+    </div>
+  )
+})
+
 /**
  * Global transfer overlay (bottom-right). Aggregates progress events by
  * transferId; done transfers fade out, errors stay until dismissed.
+ *
+ * The entries live in a ref and only a version counter reaches React: a
+ * progress event used to rebuild the whole Map per event, which is O(transfers)
+ * allocation on the hottest IPC stream in the app. Mutation stays outside
+ * render, so React never observes a half-updated map.
  */
 export function TransferPanel(): React.JSX.Element | null {
-  const [transfers, setTransfers] = useState<Map<string, TransferEntry>>(new Map())
+  const entriesRef = useRef<Map<string, TransferEntry>>(new Map())
+  const [version, setVersion] = useState(0)
   /** auto-dismiss timers, keyed by transfer id (never more than one per run) */
   const timersRef = useRef<Map<string, number>>(new Map())
 
@@ -29,57 +106,66 @@ export function TransferPanel(): React.JSX.Element | null {
       window.clearTimeout(timer)
       timersRef.current.delete(id)
     }
-    setTransfers((prev) => {
-      if (!prev.has(id)) return prev
-      const next = new Map(prev)
-      next.delete(id)
-      return next
-    })
+    if (!entriesRef.current.has(id)) return
+    entriesRef.current.delete(id)
+    setVersion((v) => v + 1)
   }, [])
 
   useEffect(() => {
     const off = window.api.onTransferProgress((e: TransferProgressEvent) => {
-      setTransfers((prev) => {
-        const next = new Map(prev)
-        const existing = next.get(e.transferId)
-        if (e.file) {
-          next.set(e.transferId, {
-            kind: e.kind,
-            file: e.file,
-            bytes: e.bytes,
-            totalBytes: e.totalBytes,
-            state: e.state,
-            error: e.error
-          })
-        } else {
-          // Terminal event for the whole transfer. It can arrive without any
-          // per-file progress first (e.g. the remote open was denied), so a
-          // missing entry is created rather than dropped — otherwise the
-          // failure would be visible nowhere.
-          const base: TransferEntry = existing ?? {
-            kind: e.kind,
-            file: '',
-            bytes: e.bytes,
-            totalBytes: e.totalBytes,
-            state: 'running'
-          }
-          if (e.state === 'error') {
-            next.set(e.transferId, { ...base, state: 'error', error: e.error })
-          } else if (e.state === 'cancelled') {
-            next.set(e.transferId, { ...base, state: 'cancelled' })
-          } else {
-            next.set(e.transferId, { ...base, state: 'done' })
-          }
+      const entries = entriesRef.current
+      const existing = entries.get(e.transferId)
+      let next: TransferEntry
+      if (e.file) {
+        next = {
+          kind: e.kind,
+          file: e.file,
+          bytes: e.bytes,
+          totalBytes: e.totalBytes,
+          state: e.state,
+          error: e.error
         }
-        return next
-      })
+      } else {
+        // Terminal event for the whole transfer. It can arrive without any
+        // per-file progress first (e.g. the remote open was denied), so a
+        // missing entry is created rather than dropped — otherwise the
+        // failure would be visible nowhere.
+        const base: TransferEntry = existing ?? {
+          kind: e.kind,
+          file: '',
+          bytes: e.bytes,
+          totalBytes: e.totalBytes,
+          state: 'running'
+        }
+        if (e.state === 'error') {
+          next = { ...base, state: 'error', error: e.error }
+        } else if (e.state === 'cancelled') {
+          next = { ...base, state: 'cancelled' }
+        } else {
+          next = { ...base, state: 'done' }
+        }
+      }
+      // Skip the render for a progress tick that changed nothing visible
+      // (a repeat of the same file at the same byte count is common).
+      if (
+        existing &&
+        existing.file === next.file &&
+        existing.bytes === next.bytes &&
+        existing.totalBytes === next.totalBytes &&
+        existing.state === next.state &&
+        existing.error === next.error
+      ) {
+        return
+      }
+      entries.set(e.transferId, next)
+      setVersion((v) => v + 1)
     })
     return off
   }, [])
 
   // auto-dismiss finished entries after 3s
   useEffect(() => {
-    for (const [id, tr] of transfers) {
+    for (const [id, tr] of entriesRef.current) {
       if ((tr.state === 'done' || tr.state === 'cancelled') && !tr.error && !timersRef.current.has(id)) {
         const timer = window.setTimeout(() => {
           timersRef.current.delete(id)
@@ -88,7 +174,7 @@ export function TransferPanel(): React.JSX.Element | null {
         timersRef.current.set(id, timer)
       }
     }
-  }, [transfers, dismiss])
+  }, [version, dismiss])
 
   useEffect(() => {
     const timers = timersRef.current
@@ -98,65 +184,14 @@ export function TransferPanel(): React.JSX.Element | null {
     }
   }, [])
 
-  const list = [...transfers.entries()]
+  const list = [...entriesRef.current.entries()]
   if (list.length === 0) return null
 
   return (
     <div className="sftp-transfer-panel">
-      {list.map(([id, tr]) => {
-        const pct = tr.totalBytes > 0 ? Math.min(100, Math.round((tr.bytes / tr.totalBytes) * 100)) : tr.state === 'done' ? 100 : 0
-        return (
-          <div key={id} className={`sftp-transfer sftp-transfer-${tr.state}`}>
-            <div className="sftp-transfer-head">
-              <span className="sftp-transfer-title">
-                {tr.state === 'error'
-                  ? t('panels.transfer.failed')
-                  : tr.state === 'cancelled'
-                    ? t('panels.transfer.cancelled')
-                    : tr.state === 'done'
-                      ? t('panels.transfer.done')
-                      : tr.kind === 'upload'
-                        ? t('panels.transfer.uploading')
-                        : tr.kind === 'download'
-                          ? t('panels.transfer.downloading')
-                          : tr.kind === 'zmodem-upload'
-                            ? t('panels.transfer.zmodemUploading')
-                            : t('panels.transfer.zmodemDownloading')}
-              </span>
-              {/* Only the SFTP engine's own transfers can be cancelled; zmodem
-                  runs in a separate engine that ignores cancelTransfer. */}
-              {tr.state === 'running' && (tr.kind === 'upload' || tr.kind === 'download') && (
-                <button
-                  type="button"
-                  className="sftp-transfer-cancel"
-                  onClick={() => window.api.cancelTransfer(id)}
-                >
-                  {t('common.cancel')}
-                </button>
-              )}
-              {/* Cancelled rows dismiss themselves after 3s, but one that also
-                  carries an error (a cancel racing a failed file) skips that
-                  path, so every terminal state keeps a manual close. */}
-              {(tr.state === 'error' || tr.state === 'done' || tr.state === 'cancelled') && (
-                <button
-                  type="button"
-                  className="sftp-transfer-close"
-                  onClick={() => dismiss(id)}
-                >
-                  <CloseOutlined />
-                </button>
-              )}
-            </div>
-            <div className="sftp-transfer-file">{tr.file || tr.error || ''}</div>
-            {tr.state === 'running' && tr.totalBytes > 0 && (
-              <div className="sftp-transfer-bar">
-                <div className="sftp-transfer-fill" style={{ width: `${pct}%` }} />
-              </div>
-            )}
-            {tr.error && <div className="sftp-transfer-err">{tr.error}</div>}
-          </div>
-        )
-      })}
+      {list.map(([id, entry]) => (
+        <TransferRow key={id} id={id} entry={entry} onDismiss={dismiss} />
+      ))}
     </div>
   )
 }

src/renderer/src/sftp/sftp.css

@@ -37,6 +37,24 @@
   flex: 1;
   min-height: 0;
   overflow-y: auto;
+  /* Anchor for the windowed list: the spacer keeps the scrollbar honest and
+     the rendered window is absolutely positioned on top of it. */
+  position: relative;
+}
+
+/* Windowed list (node_modules-sized directories). Only the visible slice of
+   rows plus the overscan is mounted; the spacer carries the full scroll height. */
+.sftp-list-virtual {
+  position: relative;
+  width: 100%;
+}
+
+.sftp-list-window {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  will-change: transform;
 }
 
 /* Right-click menu wrapper: antd wraps each row in a span by default;
@@ -51,6 +69,12 @@
   align-items: center;
   column-gap: 8px;
   padding: 3px 8px;
+  /* Fixed outer height so the windowed list can offset rows arithmetically.
+     border-box is required — there is no global reset, so content-box would
+     add the 6px of vertical padding on top. Keep in sync with ROW_HEIGHT in
+     FilePanel.tsx. */
+  box-sizing: border-box;
+  height: 24px;
   font-size: 13px;
   color: var(--chrome-fg);
   cursor: pointer;

src/renderer/src/terminal/TerminalView.tsx

@@ -1,5 +1,4 @@
-import { forwardRef, useCallback, useEffect, useImperativeHandle, useLayoutEffect, useMemo, useRef, useState } from 'react'
-import type { ForwardRefExoticComponent, Ref } from 'react'
+import { useCallback, useEffect, useLayoutEffect, useMemo, useRef, useState } from 'react'
 import { Terminal } from '@xterm/xterm'
 import type { ILink, ITheme } from '@xterm/xterm'
 import { FitAddon } from '@xterm/addon-fit'
@@ -14,6 +13,7 @@ import type { CommandItem } from '@shared/commands'
 import { highlightModeOf, type TerminalSettings } from '@shared/settings'
 import { rulesForProfile } from '@shared/highlightProfiles'
 import { useResolvedTheme, useSettingsStore } from '@renderer/settings/store'
+import { useShallow } from 'zustand/react/shallow'
 import { writeBroadcast } from '@renderer/workspace/broadcastStore'
 import { compileRules, HighlightStream, type RuleStat } from './highlightEngine'
 import { publishHighlightStats } from './highlightStats'
@@ -94,13 +94,6 @@ function toFileUrl(path: string): string {
   return `otimg://bg/${encodeURIComponent(path)}`
 }
 
-export interface TerminalHandle {
-  focus(): void
-  clear(): void
-  /** currently attached pty session id */
-  sessionId(): string
-}
-
 export interface TerminalViewProps {
   /** pty session created via window.api.createPty() */
   sessionId: string
@@ -268,12 +261,61 @@ function differenceWrite(sessionId: string, full: string, buf: string): void {
   writeBroadcast(sessionId, full)
 }
 
-export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?: Ref<TerminalHandle> }> =
-  forwardRef<TerminalHandle, TerminalViewProps>(function TerminalViewInner(
-    { sessionId, onClose, className, isSsh = false, connectionId },
-    ref
-  ) {
-  const settings = useSettingsStore((s) => s.settings)
+export function TerminalView({
+  sessionId,
+  onClose,
+  className,
+  isSsh = false,
+  connectionId
+}: TerminalViewProps): React.JSX.Element {
+  // Field-level subscriptions. A single `s.settings` subscription made every
+  // pane re-write every xterm option and refit on ANY settings write — the
+  // whole-`settings` object identity changes even when an unrelated group
+  // (lock, system, connections) is what got written. Each group below is one
+  // shallow subscription, so a write only reaches the panes whose own fields
+  // actually changed.
+  const fontOpts = useSettingsStore(
+    useShallow((s) => ({
+      fontSize: s.settings.terminal.fontSize,
+      fontFamily: s.settings.terminal.fontFamily,
+      fontWeight: s.settings.terminal.fontWeight,
+      boldFontWeight: s.settings.terminal.boldFontWeight,
+      letterSpacing: s.settings.terminal.letterSpacing,
+      lineHeight: s.settings.terminal.lineHeight,
+      scrollback: s.settings.terminal.scrollback,
+      cursorBlink: s.settings.terminal.cursorBlink,
+      cursorStyle: s.settings.terminal.cursorStyle,
+      cursorInactiveStyle: s.settings.terminal.cursorInactiveStyle
+    }))
+  )
+  const themeOpts = useSettingsStore(
+    useShallow((s) => ({ themeId: s.settings.terminal.themeId, customThemes: s.settings.customThemes }))
+  )
+  const bgOpts = useSettingsStore(
+    useShallow((s) => ({
+      image: s.settings.terminal.backgroundImage,
+      opacity: s.settings.terminal.backgroundImageOpacity,
+      dim: s.settings.terminal.backgroundImageDim
+    }))
+  )
+  const rendererMode = useSettingsStore((s) => s.settings.terminal.rendererMode)
+  const highlightOpts = useSettingsStore(
+    useShallow((s) => ({
+      mode: highlightModeOf(s.settings.terminal.highlightMode),
+      rules: s.settings.highlightRules,
+      profiles: s.settings.highlightProfiles,
+      perHost: s.settings.terminal.highlightPerHost,
+      themeColors: s.settings.terminal.highlightThemeColors,
+      stats: s.settings.terminal.highlightStats
+    }))
+  )
+  const toolbar = useSettingsStore(
+    useShallow((s) => ({
+      showRecButton: s.settings.terminal.showRecButton,
+      showOpenLogsButton: s.settings.terminal.showOpenLogsButton,
+      showOpenCwdButton: s.settings.terminal.showOpenCwdButton
+    }))
+  )
 
   const hostRef = useRef<HTMLDivElement | null>(null)
   const termRef = useRef<Terminal | null>(null)
@@ -321,14 +363,13 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
   // The mode empties the rule set instead of bypassing the stream: the stream
   // holds a trailing text run back, and skipping it would drop those bytes. An
   // empty set is ~free — applyHighlights returns the chunk before it tokenizes.
-  const highlightMode = highlightModeOf(settings.terminal.highlightMode)
   const highlightTheme = useResolvedTheme()
   // Per-host profiles (opt-in): an SSH session bound to a profile runs only that
   // subset. The binding lives on the saved connection, so it is looked up once
   // per session — and only while the feature is switched on.
   const [boundProfileId, setBoundProfileId] = useState<string | undefined>(undefined)
   useEffect(() => {
-    if (connectionId === undefined || !settings.terminal.highlightPerHost) {
+    if (connectionId === undefined || !highlightOpts.perHost) {
       setBoundProfileId(undefined)
       return undefined
     }
@@ -344,31 +385,23 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
     return () => {
       cancelled = true
     }
-  }, [connectionId, settings.terminal.highlightPerHost])
+  }, [connectionId, highlightOpts.perHost])
 
   const compiledRules = useMemo(() => {
-    if (highlightMode === 'off') return []
+    if (highlightOpts.mode === 'off') return []
     const active =
-      highlightMode === 'basic'
-        ? settings.highlightRules.filter((rule) => rule.basic === true)
-        : settings.highlightRules
-    const perHost = settings.terminal.highlightPerHost
-      ? rulesForProfile(active, boundProfileId, settings.highlightProfiles)
+      highlightOpts.mode === 'basic'
+        ? highlightOpts.rules.filter((rule) => rule.basic === true)
+        : highlightOpts.rules
+    const perHost = highlightOpts.perHost
+      ? rulesForProfile(active, boundProfileId, highlightOpts.profiles)
       : active
     // Palette-consistent highlighting (opt-in): the rule keeps its meaning, the
     // colour comes from the theme the terminal is actually drawn with.
     return compileRules(
-      settings.terminal.highlightThemeColors ? applyThemeColors(perHost, highlightTheme) : perHost
+      highlightOpts.themeColors ? applyThemeColors(perHost, highlightTheme) : perHost
     )
-  }, [
-    highlightMode,
-    settings.highlightRules,
-    settings.highlightProfiles,
-    settings.terminal.highlightThemeColors,
-    settings.terminal.highlightPerHost,
-    boundProfileId,
-    highlightTheme
-  ])
+  }, [highlightOpts, boundProfileId, highlightTheme])
 
   // Optional per-rule stats (settings → highlight → "count hits and time").
   // Attached and detached here, so toggling the switch never rebuilds the
@@ -376,7 +409,7 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
   // re-render the settings page once per chunk.
   const statsRef = useRef<Map<string, RuleStat> | null>(null)
   useEffect(() => {
-    const sink = settings.terminal.highlightStats
+    const sink = highlightOpts.stats
       ? (statsRef.current ?? new Map<string, RuleStat>())
       : null
     statsRef.current = sink
@@ -385,7 +418,7 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
     publishHighlightStats(new Map(sink))
     const timer = window.setInterval(() => publishHighlightStats(new Map(sink)), 1000)
     return () => window.clearInterval(timer)
-  }, [settings.terminal.highlightStats])
+  }, [highlightOpts.stats])
   // Push the latest compiled rules into the stream from an effect — assigning
   // during render would be a side effect in the render body.
   useEffect(() => {
@@ -420,7 +453,6 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
   // Inline command-completion overlays built from history/library (M5).
   const [suggestions, setSuggestions] = useState<CommandItem[]>([])
   const [suggestionIndex, setSuggestionIndex] = useState(0)
-  const tSettings = settings.terminal
 
   // [M5] Mirror completion selection into state's single source of truth. Kept
   // as a pair of effects so the construction-time key handler (below) always
@@ -763,17 +795,17 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
   // ---- terminal instance: built once per session ----
   useLayoutEffect(() => {
     const term = new Terminal({
-      fontSize: tSettings.fontSize,
-      fontFamily: tSettings.fontFamily,
-      fontWeight: toFontWeight(tSettings.fontWeight),
-      fontWeightBold: toFontWeight(tSettings.boldFontWeight),
-      letterSpacing: tSettings.letterSpacing,
-      lineHeight: tSettings.lineHeight,
-      scrollback: tSettings.scrollback,
-      cursorBlink: tSettings.cursorBlink,
-      cursorStyle: tSettings.cursorStyle,
-      cursorInactiveStyle: tSettings.cursorInactiveStyle,
-      theme: withChromeColors(getThemeById(tSettings.themeId, settings.customThemes).colors as ITheme, Boolean(tSettings.backgroundImage)),
+      fontSize: fontOpts.fontSize,
+      fontFamily: fontOpts.fontFamily,
+      fontWeight: toFontWeight(fontOpts.fontWeight),
+      fontWeightBold: toFontWeight(fontOpts.boldFontWeight),
+      letterSpacing: fontOpts.letterSpacing,
+      lineHeight: fontOpts.lineHeight,
+      scrollback: fontOpts.scrollback,
+      cursorBlink: fontOpts.cursorBlink,
+      cursorStyle: fontOpts.cursorStyle,
+      cursorInactiveStyle: fontOpts.cursorInactiveStyle,
+      theme: withChromeColors(getThemeById(themeOpts.themeId, themeOpts.customThemes).colors as ITheme, bgOpts.image !== ''),
       allowProposedApi: true,
       allowTransparency: true,
       overviewRuler: { width: 9, showTopBorder: false, showBottomBorder: false },
@@ -782,7 +814,7 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
       // xterm's contrast cache treats as black; a raised contrast floor lifts
       // dark foreground colors (light themes) enough to stay readable over
       // the wallpaper. Without an image keep 1 (off) to honor theme colors.
-      minimumContrastRatio: tSettings.backgroundImage ? 4.5 : 1,
+      minimumContrastRatio: bgOpts.image ? 4.5 : 1,
       automaticFontFallback: true,
       convertEol: false,
       windowsPty: { backend: 'conpty', buildNumber: 0 }
@@ -850,7 +882,7 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
       recordingRef.current = false
       setRecording(false)
     }
-    applyRenderers(tSettings.rendererMode)
+    applyRenderers(rendererMode)
     scheduleFit()
 
     // xterm event hooks return IDisposable objects, api subscriptions return
@@ -1101,29 +1133,41 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
   }, [sessionId])
 
   // ---- options reactivity (no instance rebuild) ----
+  // Split by concern: font/cursor metrics refit on change, the palette (theme +
+  // background-image mode, which decides transparency and the contrast floor)
+  // repaints without a refit. Keeping them apart stops each group from
+  // re-triggering the other's work on every keystroke in the settings dialog.
   useEffect(() => {
     const term = termRef.current
     if (!term) return
-    term.options.fontSize = tSettings.fontSize
-    term.options.fontFamily = tSettings.fontFamily
-    term.options.fontWeight = toFontWeight(tSettings.fontWeight)
-    term.options.fontWeightBold = toFontWeight(tSettings.boldFontWeight)
-    term.options.letterSpacing = tSettings.letterSpacing
-    term.options.lineHeight = tSettings.lineHeight
-    term.options.cursorBlink = tSettings.cursorBlink
-    term.options.cursorStyle = tSettings.cursorStyle
-    term.options.cursorInactiveStyle = tSettings.cursorInactiveStyle
+    term.options.fontSize = fontOpts.fontSize
+    term.options.fontFamily = fontOpts.fontFamily
+    term.options.fontWeight = toFontWeight(fontOpts.fontWeight)
+    term.options.fontWeightBold = toFontWeight(fontOpts.boldFontWeight)
+    term.options.letterSpacing = fontOpts.letterSpacing
+    term.options.lineHeight = fontOpts.lineHeight
+    term.options.cursorBlink = fontOpts.cursorBlink
+    term.options.cursorStyle = fontOpts.cursorStyle
+    term.options.cursorInactiveStyle = fontOpts.cursorInactiveStyle
     // Live-appliable in xterm 6: without this the setting only took effect for
     // terminals opened after the change, which reads as "the setting is broken".
-    term.options.scrollback = tSettings.scrollback
-    term.options.theme = withChromeColors(getThemeById(tSettings.themeId, settings.customThemes).colors as ITheme, Boolean(tSettings.backgroundImage))
-    term.options.minimumContrastRatio = tSettings.backgroundImage ? 4.5 : 1
+    term.options.scrollback = fontOpts.scrollback
     scheduleFit()
-  }, [tSettings, settings.customThemes, scheduleFit])
+  }, [fontOpts, scheduleFit])
+
+  useEffect(() => {
+    const term = termRef.current
+    if (!term) return
+    term.options.theme = withChromeColors(
+      getThemeById(themeOpts.themeId, themeOpts.customThemes).colors as ITheme,
+      bgOpts.image !== ''
+    )
+    term.options.minimumContrastRatio = bgOpts.image ? 4.5 : 1
+  }, [themeOpts, bgOpts])
 
   // ---- renderer mode changes: keep the instance, swap renderer, refit ----
   useEffect(() => {
-    const next = tSettings.rendererMode
+    const next = rendererMode
     // The construction effect above already applied the mode on mount (this
     // effect runs on mount too); only an actual switch should re-run it.
     if (next === rendererModeRef.current) return
@@ -1133,35 +1177,19 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
       applyRenderers(next)
     }
     scheduleFit()
-  }, [tSettings.rendererMode, applyRenderers, scheduleFit])
+  }, [rendererMode, applyRenderers, scheduleFit])
 
   // keep onClose fresh for the dead mask
   useEffect(() => {
     onCloseRef.current = onClose
   }, [onClose])
 
-  useImperativeHandle(
-    ref,
-    () => ({
-      focus() {
-        termRef.current?.focus()
-      },
-      clear() {
-        termRef.current?.clear()
-      },
-      sessionId() {
-        return sessionId
-      }
-    }),
-    [sessionId]
-  )
-
   const terminalClassName = useMemo(
     () =>
-      ['terminal-view', settings.terminal.backgroundImage !== '' && 'has-bg-image', className]
+      ['terminal-view', bgOpts.image !== '' && 'has-bg-image', className]
         .filter(Boolean)
         .join(' '),
-    [className, settings.terminal.backgroundImage]
+    [className, bgOpts.image]
   )
 
   /**
@@ -1295,7 +1323,7 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
         />
       )}
       <div className="term-recbar">
-        {settings.terminal.showRecButton && (
+        {toolbar.showRecButton && (
           <button
             type="button"
             className={`term-rec-btn${recording ? ' is-recording' : ''}`}
@@ -1309,7 +1337,7 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
             {recording ? <PauseOutlined /> : <SoundOutlined />}
           </button>
         )}
-        {settings.terminal.showOpenLogsButton && (
+        {toolbar.showOpenLogsButton && (
           <button
             type="button"
             className="term-rec-btn"
@@ -1320,7 +1348,7 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
             <FolderOpenOutlined />
           </button>
         )}
-        {settings.terminal.showOpenCwdButton && !isSsh && (
+        {toolbar.showOpenCwdButton && !isSsh && (
           <button
             type="button"
             className="term-rec-btn"
@@ -1391,20 +1419,20 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
           </div>
         )}
         <div className="terminal-view-dock" ref={hostRef}>
-          {settings.terminal.backgroundImage !== '' && (
+          {bgOpts.image !== '' && (
             <div
               className="term-bg-image"
               style={{
-                backgroundImage: `url("${toFileUrl(settings.terminal.backgroundImage)}")`,
-                opacity: Math.min(100, Math.max(10, settings.terminal.backgroundImageOpacity)) / 100
+                backgroundImage: `url("${toFileUrl(bgOpts.image)}")`,
+                opacity: Math.min(100, Math.max(10, bgOpts.opacity)) / 100
               }}
             />
           )}
-          {settings.terminal.backgroundImage !== '' && settings.terminal.backgroundImageDim > 0 && (
+          {bgOpts.image !== '' && bgOpts.dim > 0 && (
             <div
               className="term-bg-dim"
               style={{
-                opacity: Math.min(90, Math.max(0, settings.terminal.backgroundImageDim)) / 100
+                opacity: Math.min(90, Math.max(0, bgOpts.dim)) / 100
               }}
             />
           )}
@@ -1418,4 +1446,4 @@ export const TerminalView: ForwardRefExoticComponent<TerminalViewProps & { ref?:
       </div>
     </div>
   )
-})
+}

src/renderer/src/workspace/TerminalPanel.tsx

@@ -4,6 +4,7 @@ import { Button } from 'antd'
 import { AreaChartOutlined } from '@ant-design/icons'
 
 import { t } from '@shared/i18n'
+import { PanelErrorBoundary } from '../ErrorBoundary'
 import { TerminalView } from '../terminal/TerminalView'
 import { MonitorPanel } from '../monitor/MonitorPanel'
 import { SshBottomPanel } from './SshBottomPanel'
@@ -78,27 +79,32 @@ export function TerminalPanel({ params, api, onSessionDead }: TerminalPanelProps
     />
   )
 
+  // A crash inside one pane must not take the workspace — and every other live
+  // session — down to the root boundary's reload screen. The pane's own content
+  // is remounted on retry; the shell (tab, broadcast registration) survives.
   return (
     <div className="workspace-terminal-panel">
-      {isSsh && (
-        <Button
-          type="text"
-          size="small"
-          className="workspace-terminal-monitor-toggle"
-          icon={<AreaChartOutlined />}
-          aria-label={sideOpen ? t('workspace.panel.hideSidebar') : t('workspace.panel.showSidebar')}
-          title={sideOpen ? t('workspace.panel.hideSidebar') : t('workspace.panel.showSidebar')}
-          onClick={() => setSideOpen((prev) => !prev)}
-        />
-      )}
-      <div className="workspace-terminal-split">
-        {isSsh ? <SshBottomPanel sessionId={sessionId} terminal={terminal} /> : terminal}
-        {isSsh && sideOpen && (
-          <div className="workspace-terminal-side">
-            <MonitorPanel sessionId={sessionId} />
-          </div>
+      <PanelErrorBoundary label={t('workspace.error.panelTitle')}>
+        {isSsh && (
+          <Button
+            type="text"
+            size="small"
+            className="workspace-terminal-monitor-toggle"
+            icon={<AreaChartOutlined />}
+            aria-label={sideOpen ? t('workspace.panel.hideSidebar') : t('workspace.panel.showSidebar')}
+            title={sideOpen ? t('workspace.panel.hideSidebar') : t('workspace.panel.showSidebar')}
+            onClick={() => setSideOpen((prev) => !prev)}
+          />
         )}
-      </div>
+        <div className="workspace-terminal-split">
+          {isSsh ? <SshBottomPanel sessionId={sessionId} terminal={terminal} /> : terminal}
+          {isSsh && sideOpen && (
+            <div className="workspace-terminal-side">
+              <MonitorPanel sessionId={sessionId} />
+            </div>
+          )}
+        </div>
+      </PanelErrorBoundary>
     </div>
   )
 }

src/shared/i18n/dicts/en/workspace.ts

@@ -57,7 +57,9 @@ const workspace: Record<string, string> = {
   'workspace.connect.connectingNamed': 'Connecting to {name}',
   'workspace.connect.action': 'Connect',
   'workspace.error.title': 'The interface hit an error',
-  'workspace.error.reload': 'Reload'
+  'workspace.error.reload': 'Reload',
+  'workspace.error.panelTitle': 'This panel hit an error',
+  'workspace.error.panelRetry': 'Retry'
 }
 
 export default workspace

src/shared/i18n/dicts/ja/workspace.ts

@@ -58,7 +58,9 @@ const workspace: Record<string, string> = {
   'workspace.connect.connectingNamed': '{name} に接続しています',
   'workspace.connect.action': '接続',
   'workspace.error.title': '画面でエラーが発生しました',
-  'workspace.error.reload': '再読み込み'
+  'workspace.error.reload': '再読み込み',
+  'workspace.error.panelTitle': 'このパネルでエラーが発生しました',
+  'workspace.error.panelRetry': '再試行'
 }
 
 export default workspace

src/shared/i18n/dicts/zh-CN/workspace.ts

@@ -56,7 +56,9 @@ const workspace: Record<string, string> = {
   'workspace.connect.connectingNamed': '正在连接 {name}',
   'workspace.connect.action': '连接',
   'workspace.error.title': '界面出现异常',
-  'workspace.error.reload': '重新加载'
+  'workspace.error.reload': '重新加载',
+  'workspace.error.panelTitle': '此面板出现异常',
+  'workspace.error.panelRetry': '重试'
 }
 
 export default workspace

src/shared/i18n/dicts/zh-TW/workspace.ts

@@ -56,7 +56,9 @@ const workspace: Record<string, string> = {
   'workspace.connect.connectingNamed': '正在連線 {name}',
   'workspace.connect.action': '連線',
   'workspace.error.title': '介面發生異常',
-  'workspace.error.reload': '重新載入'
+  'workspace.error.reload': '重新載入',
+  'workspace.error.panelTitle': '此面板發生異常',
+  'workspace.error.panelRetry': '重試'
 }
 
 export default workspace