fix: ai-agent UI polish, xterm crash guard & window/milkdown fixes

app/main/handlers/handleStreamWithContext.js

@@ -15,20 +15,20 @@ module.exports = {
 
     streamMap.set(token, stream)
     stream.on('data', (data) => {
-      if (!windows) {
+      if (!windows || windows.isDestroyed() || windows.webContents.isDestroyed()) {
         return
       }
       windows.webContents.send(`${token}-data`, data)
     })
     stream.on('error', (error) => {
-      if (!windows) {
+      if (!windows || windows.isDestroyed() || windows.webContents.isDestroyed()) {
         return
       }
       windows.webContents.send(`${token}-error`, error && error.details)
     })
     stream.on('end', () => {
       streamMap.delete(token)
-      if (!windows) {
+      if (!windows || windows.isDestroyed() || windows.webContents.isDestroyed()) {
         return
       }
       windows.webContents.send(`${token}-end`)

app/main/handlers/yakRunnerTerminal.js

@@ -55,15 +55,15 @@ module.exports = (win, getClient) => {
     // 如果有问题，重置
     stream.on('error', (e) => {
       removeStreamRunner(id)
-      if (win) {
+      if (win && !win.isDestroyed() && !win.webContents.isDestroyed()) {
         win.webContents.send('client-listening-terminal-error-yakRunner', { id, path })
       }
     })
 
     // 发送回数据
     stream.on('data', (data) => {
       if (data.control) {
-        if (win && data.waiting) {
+        if (win && !win.isDestroyed() && !win.webContents.isDestroyed() && data.waiting) {
           win.webContents.send(`client-listening-terminal-success-yakRunner`, { id, path, result: data })
         }
         if (win && data.closed) {
@@ -72,13 +72,13 @@ module.exports = (win, getClient) => {
         return
       }
 
-      if (win) {
+      if (win && !win.isDestroyed() && !win.webContents.isDestroyed()) {
         win.webContents.send(`client-listening-terminal-data-yakRunner`, { id, path, result: data })
       }
     })
     stream.on('end', () => {
       removeStreamRunner(id)
-      if (win) {
+      if (win && !win.isDestroyed() && !win.webContents.isDestroyed()) {
         win.webContents.send('client-listening-terminal-end-yakRunner', { id, path })
       }
     })
@@ -95,15 +95,15 @@ module.exports = (win, getClient) => {
     // 如果有问题，重置
     stream.on('error', (e) => {
       removeStreamRunner(id)
-      if (win) {
+      if (win && !win.isDestroyed() && !win.webContents.isDestroyed()) {
         win.webContents.send('client-listening-terminal-error-aiAgent', { id, path })
       }
     })
 
     // 发送回数据
     stream.on('data', (data) => {
       if (data.control) {
-        if (win && data.waiting) {
+        if (win && !win.isDestroyed() && !win.webContents.isDestroyed() && data.waiting) {
           win.webContents.send(`client-listening-terminal-success-aiAgent`, { id, path, result: data })
         }
         if (win && data.closed) {
@@ -112,13 +112,13 @@ module.exports = (win, getClient) => {
         return
       }
 
-      if (win) {
+      if (win && !win.isDestroyed() && !win.webContents.isDestroyed()) {
         win.webContents.send(`client-listening-terminal-data-aiAgent`, { id, path, result: data })
       }
     })
     stream.on('end', () => {
       removeStreamRunner(id)
-      if (win) {
+      if (win && !win.isDestroyed() && !win.webContents.isDestroyed()) {
         win.webContents.send('client-listening-terminal-end-aiAgent', { id, path })
       }
     })

app/main/index.js

@@ -214,14 +214,16 @@ let readyWinShow = false
 function createWindow() {
   const minWidth = 900
   const minHeight = 650
+  const defaultWidth = 1400
+  const defaultHeight = 880
   const state = windowStateKeeper({
-    defaultWidth: minWidth,
-    defaultHeight: minHeight,
+    defaultWidth: defaultWidth,
+    defaultHeight: defaultHeight,
     path: getWindowStatePath(),
     file: 'yakit-window-state.json',
   })
-  const width = Math.max(state.width ?? minWidth, minWidth)
-  const height = Math.max(state.height ?? minHeight, minHeight)
+  const width = Math.max(state.width ?? defaultWidth, minWidth)
+  const height = Math.max(state.height ?? defaultHeight, minHeight)
 
   win = new BrowserWindow({
     x: state.x,

app/renderer/engine-link-startup/src/utils/xtermUtils.ts

@@ -22,13 +22,38 @@ export const writeExecResultXTerm = (xterm: any, result: ExecResult, encoding?:
 }
 
 export const xtermFit = (xtermRef: any, columns?: number, rows?: number) => {
-  if (xtermRef && xtermRef?.current && xtermRef.current.terminal) {
-    xtermRef.current.terminal.resize(columns || 100, rows || 10)
+  if (xtermRef && xtermRef?.current && isTerminalReady(xtermRef.current.terminal)) {
+    try {
+      xtermRef.current.terminal.resize(columns || 100, rows || 10)
+    } catch (e) {
+      // 关键词: xterm resize error swallowed, 防止 _renderService.dimensions 崩溃冒泡到 UI
+    }
   }
 }
 
 export const xtermClear = (xtermRef: any, columns?: number, rows?: number) => {
-  if (xtermRef && xtermRef?.current && xtermRef.current.terminal) {
-    xtermRef.current.terminal.reset()
+  if (xtermRef && xtermRef?.current && isTerminalReady(xtermRef.current.terminal)) {
+    try {
+      xtermRef.current.terminal.reset()
+    } catch (e) {
+      // 关键词: xterm reset error swallowed, 防止 Viewport.syncScrollArea 在 renderer 未就绪时崩溃
+    }
   }
 }
+
+// 关键词: xterm dimensions crash, _renderService undefined, terminal.reset 报错
+// xterm 的 RenderService.dimensions getter 在 renderer 未就绪/已 dispose 时会抛
+// "Cannot read properties of undefined (reading 'dimensions')"。
+// 该校验用于在 open 尚未完成、或组件已被 dispose 时，避免 reset/resize 触发 Viewport.syncScrollArea 崩溃。
+export const isTerminalReady = (terminal: any): boolean => {
+  if (!terminal) return false
+  // terminal.element 仅在 Terminal.open 成功后被赋值
+  if (!terminal.element) return false
+  // 兜底：能拿到内部 RenderService 时，用其公开的 hasRenderer 判定
+  const renderService = terminal._core?._renderService
+  if (renderService && typeof renderService.hasRenderer === 'function') {
+    return renderService.hasRenderer()
+  }
+  // 拿不到内部结构时，退化成仅依赖 element 是否存在
+  return true
+}

app/renderer/src/main/public/locales/zh/aiAgent.json

@@ -234,7 +234,7 @@
     "getGlobalKnowledgeBaseFailed": "获取全局知识库失败: {{error}}"
   },
   "AIAgentTabs": {
-    "historyChat": "历史会话",
+    "historyChat": "历史",
     "config": "配置",
     "skill": "技能",
     "tool": "工具"
@@ -432,7 +432,7 @@
     "focusModeTooltip": "复杂场景限定使用框架，限制AI思考范围"
   },
   "HistoryChat": {
-    "title": "历史会话",
+    "title": "历史",
     "noChatsToClear": "暂无可清除的会话",
     "allChatsCleared": "已清空全部会话",
     "clearFailed": "清除会话失败：{{error}}",

app/renderer/src/main/src/components/yakitUI/YakitXterm/YakitXterm.tsx

@@ -18,8 +18,8 @@ import useListenWidth from '@/pages/pluginHub/hooks/useListenWidth'
 import { System, SystemInfo, handleFetchSystem } from '@/constants/hardware'
 import { getClipboardText, setClipboardText } from '@/utils/clipboard'
 import { useXTermOptions } from '@/hook/useXTermOptions/useXTermOptions'
-import { useCampare } from '@/hook/useCompare/useCompare'
 import { useI18nNamespaces } from '@/i18n/useI18nNamespaces'
+import { isTerminalReady } from '@/utils/xtermUtils'
 
 export interface YakitXtermRefProps {
   terminal: Terminal
@@ -182,6 +182,15 @@ const YakitXterm: React.FC<IProps> = forwardRef((props, ref) => {
     getTerminal: () => terminalRef.current,
   })
 
+  const safeFit = useMemoizedFn(() => {
+    if (!fitAddonRef.current || !isTerminalReady(terminalRef.current)) return
+    try {
+      fitAddonRef.current.fit()
+    } catch (e) {
+      // 关键词: xterm fit error swallowed, 防止 _renderService.dimensions 崩溃冒泡到 UI
+    }
+  })
+
   useEffect(() => {
     if (!systemRef.current) {
       handleFetchSystem(() => (systemRef.current = SystemInfo.system))
@@ -214,16 +223,29 @@ const YakitXterm: React.FC<IProps> = forwardRef((props, ref) => {
     if (terminalRef.current && terminalDivRef.current) {
       // Creates the terminal within the container element.
       terminalRef.current.open(terminalDivRef.current)
-      fitAddonRef.current.fit()
+      // 关键词: xterm open 后 fit 延后一帧, 避免 RenderService.dimensions 未就绪崩溃
+      // Terminal.open 内部 Viewport 构造会异步(100ms 内)首次 syncScrollArea,
+      // 同步立刻 fit() 在某些时序下会触发 _renderService.dimensions 抛错。
+      const rafId = requestAnimationFrame(() => {
+        safeFit()
+      })
+      return () => {
+        cancelAnimationFrame(rafId)
+        terminalRef.current.dispose()
+        fitAddonRef.current.dispose()
+      }
     }
     return () => {
       terminalRef.current.dispose()
       fitAddonRef.current.dispose()
     }
   }, [])
   useEffect(() => {
-    fitAddonRef.current.fit()
-  }, [terminalDivHeight, terminalDivWidth])
+    const rafId = requestAnimationFrame(() => {
+      safeFit()
+    })
+    return () => cancelAnimationFrame(rafId)
+  }, [terminalDivHeight, terminalDivWidth, safeFit])
   const customKeyEventHandler = (e: KeyboardEvent) => {
     if (props.customKeyEventHandler) {
       return props.customKeyEventHandler(e)

app/renderer/src/main/src/pages/ai-agent/chatTemplate/AIAgentChatTemplate.module.scss

@@ -189,7 +189,7 @@
   //   }
   // }
   .task-loading-footer {
-    padding: 0 12px;
+    padding: 0 12px 60px;
   }
 }