chore: bump version 2.2.0

VERSION

@@ -1 +1 @@
-2.1.0
+2.2.0

frontend/src/tools/workbench/Workbench.jsx

@@ -39,10 +39,10 @@ import NotesView from './components/NoteEditor.jsx';
 import VaultView from './components/VaultDrawer.jsx';
 import SidebarPane from './components/SidebarPane.jsx';
 import ActivityBar from './components/ActivityBar.jsx';
+import CollapseArrow from './components/CollapseArrow.jsx';
 import ToolWindow from './components/ToolWindow.jsx';
 import TabStrip from './components/TabStrip.jsx';
 import ContentView from './components/ContentView.jsx';
-import TerminalPanel from './components/TerminalPanel.jsx';
 import StatusBar from './components/StatusBar.jsx';
 import PanelFrame from './components/PanelFrame.jsx';
 import AddPanelDialog from './components/AddPanelDialog.jsx';
@@ -61,6 +61,21 @@ import SnackHost, { showSnack } from '../../admin/snack.jsx';
  * ============================================================ */
 
 const LAYOUT_KEY = 'workbench.layout';
+const MAIN_ACTIVE_KEY = 'workbench.mainActive'; // 主区激活标签（刷新后恢复上次激活项）
+
+/** 侧边栏默认宽度（px）：箭头/活动栏图标展开时的目标宽度 */
+const SIDEBAR_DEFAULT_WIDTH = { left: 240, right: 300 };
+/** 视为「已折叠」的宽度阈值（px）。RRP v4 isCollapsed 用零容差比较（尺寸必须精确等于 0），
+ *  布局归一化把面板挤到亚像素宽度时会误判为「未折叠」，导致 expand() 失效、侧栏卡死。
+ *  右侧栏是布局末尾的柔性面板最易被挤压，因此用阈值 + resize() 兜底。 */
+const SIDEBAR_COLLAPSED_PX = 24;
+
+function persistMainActive(key) {
+  try {
+    if (key) localStorage.setItem(MAIN_ACTIVE_KEY, key);
+    else localStorage.removeItem(MAIN_ACTIVE_KEY);
+  } catch { /* 隐私模式忽略 */ }
+}
 
 /** 布局持久化：{left, main, right} 三栏百分比（0-100），活动栏固定 48px 不入库 */
 function readLayout() {
@@ -196,23 +211,38 @@ function WorkbenchContent() {
   const [aboutOpen, setAboutOpen] = useState(false);
   const [mainRefresh, setMainRefresh] = useState(0);
   const [modalRefresh, setModalRefresh] = useState(0);
-  const [activeMainKey, setActiveMainKey] = useState(null);
+  // 主区激活标签：同步从 localStorage 恢复（workbench.mainActive），刷新后回到上次激活项
+  const mainActiveInit = useRef(null);
+  const [activeMainKey, setActiveMainKey] = useState(() => {
+    let v = null;
+    try { v = localStorage.getItem(MAIN_ACTIVE_KEY); } catch { /* ignore */ }
+    mainActiveInit.current = v;
+    return v;
+  });
   const [activeDrag, setActiveDrag] = useState(null); // dnd overlay {id,label}
   const searchRef = useRef(null);
 
   // ---- react-resizable-panels 引用 ----
   const groupRef = useRef(null);
+  const mainRef = useRef(null);   // 主面板（始终 ≥minSize 可见），用作 setLayout 像素↔百分比换算探针
   const leftRef = useRef(null);
   const rightRef = useRef(null);
-  const termRef = useRef(null);
 
   const savedLayout = useRef(readLayout());
+  // 侧边栏折叠状态（供折叠箭头方向/语义；拖拽折叠也会经 onResize 同步）
+  const [leftCollapsed, setLeftCollapsed] = useState(
+    () => !!savedLayout.current && savedLayout.current.left === 0
+  );
+  const [rightCollapsed, setRightCollapsed] = useState(
+    () => !!savedLayout.current && savedLayout.current.right === 0
+  );
   // v4 布局为 { PanelId: 百分比 }；活动栏有 min/max 48px 硬约束，传多少都会被钳回 48
   const defaultLayout = savedLayout.current
     ? {
         'activity-l': 3,
         'sidebar-l': Math.max(0, Math.min(40, savedLayout.current.left)),
-        main: Math.max(5, Math.min(90, savedLayout.current.main)),
+        // main 上限 75%：防止恢复时主区过大挤压两侧栏（右侧栏在布局末尾最易被挤到亚像素卡死）
+        main: Math.max(20, Math.min(75, savedLayout.current.main)),
         'sidebar-r': Math.max(0, Math.min(40, savedLayout.current.right)),
         'activity-r': 3,
       }
@@ -238,13 +268,44 @@ function WorkbenchContent() {
 
   useEffect(() => () => clearTimeout(layoutTimer.current), []);
 
+  /** 程序化调整侧边栏宽度：走 groupRef.setLayout() 整体替换布局。
+   *  不能再依赖 ref.collapse()/resize()/expand()——RRP 命令式 API 按 pivot 相邻面板分配
+   *  delta，右侧栏的右邻 activity-r 是刚性面板（minSize=maxSize=48px），delta 被其 clamp
+   *  全部吸收 → 布局不变 → 静默 no-op；拖拽走 Separator（邻面板 main 柔性）所以只有拖拽有效。
+   *  setLayout() 不走 pivot：K() 直接归一化 + 逐面板 clamp，目标尺寸落在目标面板上。 */
+  const applySidebarSize = useCallback((side, targetPx) => {
+    const group = groupRef.current;
+    if (!group) return;
+    const cur = group.getLayout();
+    // defaultLayoutDeferred 期间 getLayout() 返回 {}，setLayout 也不应用——直接跳过
+    if (!cur || Object.keys(cur).length === 0) return;
+    // 用任一可见面板换算组宽度：groupPx = inPixels / (asPercentage/100)
+    let groupPx = 0;
+    for (const probe of [mainRef.current, rightRef.current, leftRef.current]) {
+      try {
+        const g = probe?.getSize();
+        if (g && g.inPixels > 0 && g.asPercentage > 0) {
+          groupPx = g.inPixels / (g.asPercentage / 100);
+          break;
+        }
+      } catch { /* 面板尚未就绪 */ }
+    }
+    const id = side === 'left' ? 'sidebar-l' : 'sidebar-r';
+    if (groupPx > 0) {
+      group.setLayout({ ...cur, [id]: (targetPx / groupPx) * 100 });
+    } else if (targetPx === 0) {
+      group.setLayout({ ...cur, [id]: 0 }); // 折叠：无法换算也直接置 0
+    } else {
+      group.setLayout({ ...cur, [id]: side === 'left' ? 20 : 25 }); // 退化固定百分比，K 的 clamp 兜底
+    }
+  }, []);
+
   const toggleSidebar = useCallback((side) => {
-    const ref = side === 'left' ? leftRef.current : rightRef.current;
-    if (!ref) return;
-    if (ref.isCollapsed()) ref.expand();
-    else ref.collapse();
-    setTimeout(saveLayoutNow, 0);
-  }, [saveLayoutNow]);
+    // 用状态（阈值判定）而非 ref.isCollapsed()：RRP 零容差比较在亚像素宽度下会误判
+    const collapsed = side === 'left' ? leftCollapsed : rightCollapsed;
+    applySidebarSize(side, collapsed ? SIDEBAR_DEFAULT_WIDTH[side] : 0);
+    setTimeout(saveLayoutNow, 0); // setLayout 的 onLayoutChanged 不带 isUserInteraction，须手动兜底写盘
+  }, [leftCollapsed, rightCollapsed, applySidebarSize, saveLayoutNow]);
 
   // ---- 视图（活动栏 / 侧栏 / 标签页） ----
   const leftActive = layout.activeViewOf('left');
@@ -318,20 +379,27 @@ function WorkbenchContent() {
   };
 
   const mainTabs = buildMainTabs();
-  // 活动主标签：优先记住的用户选择，失效则回退到第一个
+  // 活动主标签：优先记住的用户选择（含持久化的上次激活项），失效则回退到第一个
   const effectiveActiveKey = mainTabs.some((t) => t.key === activeMainKey)
     ? activeMainKey
     : (mainTabs[0]?.key ?? null);
 
-  // 打开面板 / 历史导航时自动切到对应 iframe 标签
+  // 打开面板 / 历史导航时自动切到对应 iframe 标签。
+  // 首次挂载若已有持久化激活项（可能指向 tab 模式视图）则尊重它，只消费一次；
+  // 之后每次 activeId 变化都同步并持久化。
   useEffect(() => {
-    if (activeId != null) setActiveMainKey('panel:' + activeId);
+    if (activeId == null) return;
+    if (mainActiveInit.current) { mainActiveInit.current = null; return; }
+    const key = 'panel:' + activeId;
+    setActiveMainKey(key);
+    persistMainActive(key);
   }, [activeId]);
 
   const panelRenderKeys = new Set(renderedIds.map((id) => 'panel:' + id));
 
   const handleSelectTab = (key) => {
     setActiveMainKey(key);
+    persistMainActive(key);
     if (key.startsWith('panel:')) openPanel(key.slice('panel:'.length));
   };
   const handleCloseTab = (key) => {
@@ -339,6 +407,14 @@ function WorkbenchContent() {
     else if (key.startsWith('view:')) setViewModeSafely(key.slice('view:'.length), VIEW_MODE_SIDEBAR);
   };
 
+  /** 侧边栏 Panel onResize：阈值判定折叠状态（拖拽折叠/亚像素挤压都覆盖） */
+  const onSidebarResize = useCallback((side) => (size) => {
+    const px = size && typeof size === 'object' ? size.inPixels : size;
+    const collapsed = px < SIDEBAR_COLLAPSED_PX;
+    if (side === 'left') setLeftCollapsed(collapsed);
+    else setRightCollapsed(collapsed);
+  }, []);
+
   const categories = [...new Set((links || []).map((p) => p.category || '默认'))];
 
   const handleOpenExternal = () => {
@@ -371,10 +447,11 @@ function WorkbenchContent() {
           mode={layout.mode[viewId]}
           onSetMode={(m) => setViewModeSafely(viewId, m)}
           onFloat={() => showSnack('浮动模式即将上线', 'info')}
+          closeTitle="关闭侧边栏"
           onClose={() => {
+            // X = 关闭整个侧边栏（折叠到 0 宽度），活动栏图标仍可重新展开
             const side = layout.sideOf[viewId];
-            const ref = side === 'left' ? leftRef.current : rightRef.current;
-            ref?.collapse();
+            toggleSidebar(side);
           }}
         />
         <Box sx={{ flex: 1, minHeight: 0, display: 'flex', flexDirection: 'column' }}>
@@ -401,17 +478,16 @@ function WorkbenchContent() {
     );
   };
 
-  /** 活动栏图标点击：激活视图 + 展开侧栏；已激活则收起 */
+  /** 活动栏图标点击：激活视图 + 展开侧栏；已激活则收起（VSCode 语义） */
   const handleActivateView = (viewId, side) => {
-    const ref = side === 'left' ? leftRef.current : rightRef.current;
+    const collapsed = side === 'left' ? leftCollapsed : rightCollapsed;
     const alreadyActive = layout.activeViewOf(side) === viewId;
     setViewModeSafely(viewId, VIEW_MODE_SIDEBAR);
     layout.activateView(viewId);
-    if (ref) {
-      if (alreadyActive && !ref.isCollapsed()) ref.collapse();
-      else ref.expand();
+    // setLayout 整体替换：展开到默认宽度 / 折叠到 0，绕开 pivot 刚性邻居吸收问题
+    if (alreadyActive && !collapsed) applySidebarSize(side, 0);
+    else applySidebarSize(side, SIDEBAR_DEFAULT_WIDTH[side]);
     setTimeout(saveLayoutNow, 0);
-    }
   };
 
   // ---- 菜单栏配置 ----
@@ -444,8 +520,8 @@ function WorkbenchContent() {
     },
     {
       label: '终端', items: [
-        { label: '切换终端面板', Icon: TerminalIcon, action: () => layout.toggleTerminal() },
-        { label: '新建终端会话', Icon: AddIcon, action: () => { layout.openTerminal(); termRef.current?.newSession(); } },
+        // 终端功能临时下线（TerminalPanel 已归档到 archive/），保留占位提示，后续恢复
+        { label: '终端功能即将回归', Icon: TerminalIcon },
       ],
     },
     {
@@ -579,7 +655,7 @@ function WorkbenchContent() {
           </Panel>
           <ResizeSeparator disabled />
           {/* 左侧侧边栏 */}
-          <Panel id="sidebar-l" defaultSize={240} minSize={180} maxSize={360} collapsible collapsedSize={0} panelRef={leftRef}>
+          <Panel id="sidebar-l" defaultSize={240} minSize={180} maxSize={360} collapsible collapsedSize={0} panelRef={leftRef} onResize={onSidebarResize('left')}>
             <SidebarPane
               side="left"
               views={leftPaneViews}
@@ -590,8 +666,10 @@ function WorkbenchContent() {
           </Panel>
           <ResizeSeparator />
           {/* 主区：标签条 + 内容 + 底部终端 */}
-          <Panel id="main" minSize={320}>
-            <Box sx={{ flex: 1, minHeight: 0, display: 'flex', flexDirection: 'column', minWidth: 0 }}>
+          <Panel id="main" minSize={320} panelRef={mainRef}>
+            {/* 注意：RRP Panel 内容容器是 block 布局（maxHeight:100% + flexGrow:1），
+                这里必须用 height:'100%' 而非 flex:1，否则高度塌陷导致内容挤顶部 */}
+            <Box sx={{ height: '100%', display: 'flex', flexDirection: 'column', minWidth: 0, overflow: 'hidden', position: 'relative' }}>
               {mainTabs.length > 0 && (
                 <TabStrip
                   tabs={mainTabs}
@@ -604,23 +682,15 @@ function WorkbenchContent() {
               <Box sx={{ flex: 1, minHeight: 0, display: 'flex', position: 'relative', overflow: 'hidden' }}>
                 {mainBody}
               </Box>
-              {/* 底部终端：默认隐藏，keep-alive 不销毁会话 */}
-              <Box
-                sx={{
-                  height: layout.terminalOpen ? 240 : 0,
-                  flexShrink: 0, overflow: 'hidden',
-                  transition: 'height .18s ease',
-                  display: 'flex', flexDirection: 'column',
-                  borderTop: layout.terminalOpen ? 1 : 0, borderColor: 'divider',
-                }}
-              >
-                <TerminalPanel ref={termRef} open={layout.terminalOpen} />
-              </Box>
+              {/* 侧边栏折叠箭头：贴主区整高的边缘（即侧边栏与主区 Separator 位置）垂直居中，
+                  折叠为 0 后主区仍在 → 箭头始终可点，支持再点击展开 */}
+              <CollapseArrow side="left" collapsed={leftCollapsed} onToggle={() => toggleSidebar('left')} />
+              <CollapseArrow side="right" collapsed={rightCollapsed} onToggle={() => toggleSidebar('right')} />
             </Box>
           </Panel>
           <ResizeSeparator />
           {/* 右侧侧边栏 */}
-          <Panel id="sidebar-r" defaultSize={300} minSize={200} maxSize={480} collapsible collapsedSize={0} panelRef={rightRef}>
+          <Panel id="sidebar-r" defaultSize={300} minSize={200} maxSize={480} collapsible collapsedSize={0} panelRef={rightRef} onResize={onSidebarResize('right')}>
             <SidebarPane
               side="right"
               views={rightPaneViews}
@@ -637,8 +707,6 @@ function WorkbenchContent() {
               views={rightBarViews}
               activeId={rightActive}
               onActivate={(id) => handleActivateView(id, 'right')}
-              terminalOpen={layout.terminalOpen}
-              onToggleTerminal={layout.toggleTerminal}
             />
           </Panel>
         </Group>

frontend/src/tools/workbench/archive/TerminalPanel.jsx

@@ -415,11 +415,16 @@ const TerminalPanel = forwardRef(function TerminalPanel({ open = false }, ref) {
     if (!inst || !el) return;
     if (inst.term) {
       requestAnimationFrame(() => {
-        try { inst.fit?.fit(); manager.current.sendResize(id); } catch {}
+        try {
+          if (el.clientWidth > 0 && el.clientHeight > 0) { inst.fit?.fit(); manager.current.sendResize(id); }
+        } catch {}
       });
       return;
     }
-    const term = new Terminal({
+    let term;
+    let fit = null;
+    try {
+      term = new Terminal({
         fontSize: 13,
         fontFamily: FONT,
         lineHeight: 1.35,
@@ -427,11 +432,20 @@ const TerminalPanel = forwardRef(function TerminalPanel({ open = false }, ref) {
         scrollback: 3000,
         theme: themeObj,
       });
-    const fit = new FitAddon();
+      fit = new FitAddon();
       term.loadAddon(fit);
       term.loadAddon(new Unicode11Addon());
       term.unicode.activeVersion = '11';
       term.open(el);
+      inst.term = term;
+      inst.fit = fit;
+    } catch (e) {
+      // xterm 初始化异常：显式报错而非白屏/整树崩溃
+      console.error('[TerminalPanel] xterm 初始化失败:', e);
+      patchStatus(id, 'error');
+      setBanner({ type: 'error', text: `终端初始化失败：${e?.message || '未知错误'}` });
+      return;
+    }
     term.onData((d) => {
       const ws = inst.ws;
       if (!ws || ws.readyState !== 1) return;
@@ -449,11 +463,12 @@ const TerminalPanel = forwardRef(function TerminalPanel({ open = false }, ref) {
       }
     });
     ro.observe(el);
-    inst.term = term;
-    inst.fit = fit;
     inst.ro = ro;
+    // rAF fit 同样做尺寸守卫：容器零尺寸时跳过，避免 0 行列渲染成空白
     requestAnimationFrame(() => {
-      try { fit.fit(); manager.current.sendResize(id); } catch {}
+      try {
+        if (el.clientWidth > 0 && el.clientHeight > 0) { inst.fit.fit(); manager.current.sendResize(id); }
+      } catch {}
     });
     manager.current.connectSession(id);
     // eslint-disable-next-line react-hooks/exhaustive-deps
@@ -672,6 +687,26 @@ const TerminalPanel = forwardRef(function TerminalPanel({ open = false }, ref) {
             }}
           >
             <Box ref={(el) => mountTerminal(s.id, el)} sx={{ width: '100%', height: '100%' }} />
+            {/* 未连接状态条：防止"白屏"——始终可见的连接进度/错误提示（banner 可被关掉） */}
+            {s.status !== 'connected' && s.status !== 'ended' && (
+              <Box
+                role="status"
+                sx={{
+                  position: 'absolute', left: 0, right: 0, bottom: 0, zIndex: 3,
+                  display: 'flex', alignItems: 'center', gap: 1, px: 1.5, py: 0.5,
+                  bgcolor: s.status === 'error' ? 'error.main' : 'warning.main',
+                  color: s.status === 'error' ? 'error.contrastText' : 'warning.contrastText',
+                  borderTop: 1, borderColor: 'divider',
+                }}
+              >
+                {s.status !== 'error' && <CircularProgress size={12} color="inherit" />}
+                <Typography variant="caption" sx={{ fontWeight: 500 }}>
+                  {s.status === 'connecting' ? '正在连接终端服务…'
+                    : s.status === 'reconnecting' ? '连接中断，正在重试…'
+                      : '终端服务不可用'}
+                </Typography>
+              </Box>
+            )}
             {/* 会话终止覆盖层：exit/空闲超时后不自动重生，显式重连 */}
             {s.status === 'ended' && (
               <Box

frontend/src/tools/workbench/components/ActivityBar.jsx

@@ -1,7 +1,6 @@
 import React, { useRef } from 'react';
 import Box from '@mui/material/Box';
 import Tooltip from '@mui/material/Tooltip';
-import TerminalIcon from '@mui/icons-material/Terminal';
 import { useDroppable } from '@dnd-kit/core';
 import { SortableContext, verticalListSortingStrategy, useSortable } from '@dnd-kit/sortable';
 
@@ -16,7 +15,6 @@ import { SortableContext, verticalListSortingStrategy, useSortable } from '@dnd-
  * - 无障碍：role=toolbar，仅活动项 tabIndex=0（roving），
  *   ↑↓/Home/End 移动焦点、Enter/空格 激活；活动项 aria-controls 指向侧栏容器；
  *   侧栏内由 aria-live 播报当前视图（见 SidebarPane）
- * - 右侧底部固定「终端」呼出按钮（不参与拖拽）
  * ============================================================ */
 
 function ActivityTab({ view, active, onActivate, side, index, moveFocus, count }) {
@@ -73,33 +71,8 @@ function ActivityTab({ view, active, onActivate, side, index, moveFocus, count }
   );
 }
 
-function TerminalButton({ open, onToggle }) {
-  return (
-    <Tooltip title="终端" placement="right">
-      <Box
-        component="button"
-        type="button"
-        onClick={onToggle}
-        aria-label="终端"
-        aria-pressed={open}
-        sx={{
-          width: 48, height: 48, flexShrink: 0, border: 'none', background: 'transparent',
-          display: 'flex', alignItems: 'center', justifyContent: 'center', cursor: 'pointer',
-          color: open ? 'primary.main' : 'text.secondary',
-          bgcolor: open ? 'action.selected' : 'transparent',
-          '&:hover': { bgcolor: open ? 'action.selected' : 'action.hover' },
-          '&:focus-visible': { outline: '2px solid', outlineColor: 'primary.main', outlineOffset: -3 },
-        }}
-      >
-        <TerminalIcon sx={{ fontSize: 22 }} />
-      </Box>
-    </Tooltip>
-  );
-}
-
 export default function ActivityBar({
   side, views, activeId, onActivate,
-  terminalOpen = false, onToggleTerminal,
 }) {
   const right = side === 'right';
   const { setNodeRef, isOver } = useDroppable({ id: 'activity:' + side });
@@ -146,7 +119,6 @@ export default function ActivityBar({
         </Box>
       </SortableContext>
       <Box sx={{ flex: 1 }} />
-      {right && <TerminalButton open={terminalOpen} onToggle={onToggleTerminal} />}
     </Box>
   );
 }

frontend/src/tools/workbench/components/CollapseArrow.jsx

@@ -0,0 +1,48 @@
+import React from 'react';
+import IconButton from '@mui/material/IconButton';
+import Tooltip from '@mui/material/Tooltip';
+import ChevronLeftIcon from '@mui/icons-material/ChevronLeft';
+import ChevronRightIcon from '@mui/icons-material/ChevronRight';
+
+/* ============================================================
+ * CollapseArrow：侧边栏折叠箭头（VSCode 风格）
+ *
+ * - 由父级绝对定位到主区边缘（即侧边栏与主区的 Separator 位置）垂直居中；
+ *   侧边栏折叠为 0 后主区仍在，箭头始终可见可点，支持"再点击展开"。
+ * - 箭头始终指向栏的方向：展开时指栏（点击收起），折叠后反向（点击展开）。
+ * - 可见性：**常驻可见**——不透明背景（background.paper）+ 实心边框 + 阴影，
+ *   opacity 展开 0.9 / 折叠 1，hover 全亮加深阴影；不再半透明叠加 iframe 混色。
+ * - 28x28 触控目标，zIndex 12 盖在 iframe 内容之上。
+ * ============================================================ */
+
+export default function CollapseArrow({ side, collapsed = false, onToggle }) {
+  const right = side === 'right';
+  const label = collapsed ? `展开${right ? '右' : '左'}侧边栏` : `折叠${right ? '右' : '左'}侧边栏`;
+  // 展开 → 指向栏（收起动作）；折叠 → 反向（展开动作）
+  const Icon = collapsed
+    ? (right ? ChevronLeftIcon : ChevronRightIcon)
+    : (right ? ChevronRightIcon : ChevronLeftIcon);
+
+  return (
+    <Tooltip title={label} placement={right ? 'left' : 'right'}>
+      <IconButton
+        size="small"
+        aria-label={label}
+        onClick={onToggle}
+        sx={{
+          position: 'absolute', top: '50%', [right ? 'right' : 'left']: 2,
+          transform: 'translateY(-50%)', zIndex: 12,
+          width: 28, height: 28, minWidth: 28, p: 0,
+          opacity: collapsed ? 1 : 0.9,
+          bgcolor: 'background.paper', border: 1, borderColor: 'divider',
+          boxShadow: (t) => t.shadows[2],
+          transition: 'opacity .12s ease, background-color .12s ease, box-shadow .12s ease',
+          '&:hover': { opacity: 1, bgcolor: 'action.hover', boxShadow: (t) => t.shadows[4] },
+          '&:focus-visible': { outline: '2px solid', outlineColor: 'primary.main', outlineOffset: -2 },
+        }}
+      >
+        <Icon sx={{ fontSize: 18 }} />
+      </IconButton>
+    </Tooltip>
+  );
+}

frontend/src/tools/workbench/components/PanelIcon.jsx

@@ -1,11 +1,28 @@
 import React, { useState } from 'react';
 import Box from '@mui/material/Box';
-import LanguageIcon from '@mui/icons-material/Language';
 
 /* ============================================================
- * 面板图标：Google favicon 服务 + 失败回退（首字母块 / 地球图标）
+ * 面板图标：Google favicon 服务 + 失败回退（站点首字母 + 确定性 MD3 容器色）
+ *
+ * - 成功：显示 favicon（不变）
+ * - 失败/无 host：显示首字母色块（类似 Google Avatar）——
+ *   背景色从 MD3 容器色（primary/secondary/tertiary.container）按
+ *   域名/标题哈希确定性选取，比默认地球图标更可辨识。
  * ============================================================ */
 
+/** 确定性回退色板：MD3 token（不硬编码 hex），按哈希循环选取 */
+const FALLBACK_PALETTE = [
+  { bg: 'primary.container', fg: 'primary.onContainer' },
+  { bg: 'secondary.container', fg: 'secondary.onContainer' },
+  { bg: 'tertiary.container', fg: 'tertiary.onContainer' },
+];
+
+function hashString(s) {
+  let h = 0;
+  for (let i = 0; i < s.length; i += 1) h = (h * 31 + s.charCodeAt(i)) | 0;
+  return Math.abs(h);
+}
+
 function hostOf(url) {
   try {
     const u = /^[a-z][a-z0-9+.-]*:\/\//i.test(url) ? url : 'https://' + url;
@@ -17,19 +34,24 @@ export default function PanelIcon({ url, title = '', size = 20, sx = {} }) {
   const [error, setError] = useState(false);
   const host = hostOf(url);
 
-  if (!host) {
+  // 首字母 + 确定性颜色
+  const letter = ((title && title[0]) || (host && host[0]) || '?').toUpperCase();
+  const { bg, fg } = FALLBACK_PALETTE[hashString(host || title || '?') % FALLBACK_PALETTE.length];
+
+  // 无 host（内部地址/空）或 favicon 加载失败（404/API 不可达）→ 首字母色块
+  if (!host || error) {
     return (
       <Box
         aria-hidden
         sx={{
-          width: size, height: size, borderRadius: '50%', flexShrink: 0,
+          width: size, height: size, borderRadius: size / 4, flexShrink: 0,
           display: 'flex', alignItems: 'center', justifyContent: 'center',
-          bgcolor: 'primary.container', color: 'primary.onContainer',
+          bgcolor: bg, color: fg,
           fontSize: size * 0.55, fontWeight: 600, lineHeight: 1,
           ...sx,
         }}
       >
-        {(title[0] || '?').toUpperCase()}
+        {letter}
       </Box>
     );
   }
@@ -43,9 +65,6 @@ export default function PanelIcon({ url, title = '', size = 20, sx = {} }) {
         bgcolor: 'background.paper', ...sx,
       }}
     >
-      {error ? (
-        <LanguageIcon sx={{ fontSize: size * 0.7, color: 'text.disabled' }} />
-      ) : (
       <img
         src={`https://www.google.com/s2/favicons?domain=${encodeURIComponent(host)}&sz=64`}
         alt=""
@@ -55,7 +74,6 @@ export default function PanelIcon({ url, title = '', size = 20, sx = {} }) {
         onError={() => setError(true)}
         style={{ display: 'block' }}
       />
-      )}
     </Box>
   );
 }

frontend/src/tools/workbench/components/Sidebar.jsx

@@ -70,11 +70,11 @@ export default function PanelsView({
     return m;
   }, [links]);
 
-  const pinnedPanels = links.filter((p) => pinned.includes(p.id));
+  const pinnedPanels = links.filter((p) => pinned.includes(String(p.id)));
 
   const renderItem = (p) => {
     const selected = String(p.id) === String(activeId);
-    const isPinned = pinned.includes(p.id);
+    const isPinned = pinned.includes(String(p.id));
     const mode = modes[p.id] || OPEN_MODE_EMBED;
     return (
       <Box

frontend/src/tools/workbench/components/ToolWindow.jsx

@@ -17,7 +17,7 @@ import { VIEW_MODE_SIDEBAR, VIEW_MODE_TAB } from '../hooks/useWorkbenchLayout.js
  * - 纯展示组件，无内部状态；模式/关闭行为由父级注入
  * ============================================================ */
 
-export default function ToolWindow({ icon, title, mode, onSetMode, onFloat, onClose, actions = null, children }) {
+export default function ToolWindow({ icon, title, mode, onSetMode, onFloat, onClose, closeTitle = '关闭', actions = null, children }) {
   const modeBtn = (m, label, MIcon) => (
     <Tooltip key={m} title={label}>
       <IconButton
@@ -65,11 +65,11 @@ export default function ToolWindow({ icon, title, mode, onSetMode, onFloat, onCl
       )}
       {actions}
       {onClose && (
-        <Tooltip title="关闭">
+        <Tooltip title={closeTitle}>
           <IconButton
             size="small"
             onClick={onClose}
-            aria-label="关闭"
+            aria-label={closeTitle}
             sx={{ width: 26, height: 26, borderRadius: 1 }}
           >
             <CloseIcon sx={{ fontSize: 15 }} />

frontend/src/tools/workbench/components/Toolbar.jsx

@@ -18,8 +18,9 @@ import PanelIcon from './PanelIcon.jsx';
 /* ============================================================
  * Toolbar：VSCode 风格顶栏（高度 56px）
  *
- *  Rain Work(渐变字标) | 菜单栏 | ← → ↻ | 缩小地址栏(只读) | 搜索 | 返回
- * - 地址栏仅展示当前面板 URL（嵌入地址优先），只读、可点开新标签
+ *  Rain Work(渐变字标) | 菜单栏 | ← → ↻ | 地址栏(自适应填满) | 搜索 | 返回
+ * - 地址栏仅展示当前面板 URL（嵌入地址优先），只读、可点开新标签；
+ *   flex:1 填满顶栏剩余空间，左侧内容变宽时自然缩减
  * - 搜索框：面板名/URL/分组，Enter 直达（逻辑由 Workbench 注入）
  * ============================================================ */
 
@@ -51,7 +52,7 @@ export default function Toolbar({
         component="span"
         aria-label="Rain Work"
         sx={{
-          fontSize: 15, fontWeight: 700, letterSpacing: 0.3, mr: 0.75, flexShrink: 0,
+          fontSize: 19.5, fontWeight: 700, letterSpacing: 0.4, mr: 1, flexShrink: 0,
           background: logoGradient, WebkitBackgroundClip: 'text', backgroundClip: 'text',
           WebkitTextFillColor: 'transparent', color: 'transparent',
           userSelect: 'none',
@@ -75,12 +76,13 @@ export default function Toolbar({
         <span><IconButton size="small" onClick={onRefresh} disabled={!currentPanel} aria-label="刷新"><RefreshIcon fontSize="small" /></IconButton></span>
       </Tooltip>
 
-      {/* 缩小地址栏（只读） */}
+      {/* 地址栏（只读，flex:1 自适应填满顶栏剩余空间；无 maxWidth 上限，
+          左侧菜单/导航变宽时自然缩减，顶栏始终占满） */}
       <Box
         role="textbox"
         aria-label="当前面板地址"
         sx={{
-          flex: 1, minWidth: 120, maxWidth: 360, display: 'flex', alignItems: 'center', gap: 0.75,
+          flex: 1, minWidth: 120, maxWidth: 'none', display: 'flex', alignItems: 'center', gap: 0.75,
           mx: 0.75, height: 34, px: 1.25,
           bgcolor: 'background.default', border: 1, borderColor: 'divider', borderRadius: 1.25,
           '&:focus-within': { borderColor: 'primary.main' },

frontend/src/tools/workbench/hooks/useNotes.js

@@ -51,6 +51,23 @@ export default function useNotes() {
 
   useEffect(() => { refresh(); }, [refresh]);
 
+  // ---- 保存（PUT） ----
+  // 注意：必须声明在引用它的 useEffect（会话恢复 / save-request 监听）之前，
+  // 否则渲染期求值依赖数组会触发 TDZ（Cannot access before initialization）。
+  const saveContent = useCallback((name, text) => {
+    setSaving(true);
+    return notesApi.updateNote(name, text)
+      .then((res) => {
+        setSavedContent(text);
+        sessionCache.text = text;
+        setNotes((prev) => (prev
+          ? prev.map((n) => (n.name === res.name ? { ...n, size: res.size, mtime: res.mtime } : n))
+          : prev));
+      })
+      .catch((e) => showSnack(e.message, 'error'))
+      .finally(() => setSaving(false));
+  }, []);
+
   // ---- 会话恢复（挂载一次）：缓存有同名草稿→直接恢复并推给服务端（幂等）；
   //      无缓存但记住了文件名→从服务端读取 ----
   useEffect(() => {
@@ -94,21 +111,6 @@ export default function useNotes() {
     }
   }, [activeName]);
 
-  // ---- 保存（PUT） ----
-  const saveContent = useCallback((name, text) => {
-    setSaving(true);
-    return notesApi.updateNote(name, text)
-      .then((res) => {
-        setSavedContent(text);
-        sessionCache.text = text;
-        setNotes((prev) => (prev
-          ? prev.map((n) => (n.name === res.name ? { ...n, size: res.size, mtime: res.mtime } : n))
-          : prev));
-      })
-      .catch((e) => showSnack(e.message, 'error'))
-      .finally(() => setSaving(false));
-  }, []);
-
   // ---- 打开文件 ----
   const open = useCallback((name) => {
     setBusy(true);

frontend/src/tools/workbench/hooks/usePanels.js

@@ -36,14 +36,31 @@ function write(key, value) {
 export default function usePanels() {
   const [links, setLinks] = useState(null);          // null = 加载中
   const [loadError, setLoadError] = useState('');
-  const [openIds, setOpenIds] = useState(() => read(STORE.open, []));
-  const [activeId, setActiveId] = useState(() => read(STORE.active, null));
+  // 初始化即清洗（治愈已污染的 localStorage 存量数据）：
+  // 面板 id 统一为字符串 + 去重。此前 openPanel 被传入数字(p.id)与字符串
+  // (handleSelectTab 的 key.slice) 两种类型，prev.includes 严格比较漏判 →
+  // 同一面板以两份加入 openIds → 双 iframe 并排"分屏"、closePanel 关不掉。
+  const [openIds, setOpenIds] = useState(() => {
+    const a = read(STORE.open, []);
+    return Array.isArray(a) ? [...new Set(a.map(String))] : [];
+  });
+  const [activeId, setActiveId] = useState(() => {
+    const v = read(STORE.active, null);
+    return v == null ? null : String(v);
+  });
   const [history, setHistory] = useState(() => {
     const h = read(STORE.history, null);
-    return (h && Array.isArray(h.ids)) ? h : { ids: [], index: -1 };
+    if (h && Array.isArray(h.ids)) {
+      const ids = [...new Set(h.ids.map(String))];
+      return { ids, index: Math.min(Number(h.index) || -1, ids.length - 1) };
+    }
+    return { ids: [], index: -1 };
   });
   const [groups, setGroups] = useState(() => read(STORE.groups, {}));   // name -> true 表示折叠
-  const [pinned, setPinned] = useState(() => read(STORE.pinned, []));
+  const [pinned, setPinned] = useState(() => {
+    const a = read(STORE.pinned, []);
+    return Array.isArray(a) ? [...new Set(a.map(String))] : [];
+  });
   const [modes, setModes] = useState(() => read(STORE.modes, {}));
   const [modalId, setModalId] = useState(null);      // 弹窗打开的面板 id（不持久化）
   const [search, setSearch] = useState('');
@@ -68,11 +85,12 @@ export default function usePanels() {
         const arr = Array.isArray(ls) ? ls : [];
         setLinks(arr);
         const valid = new Set(arr.map((p) => String(p.id)));
-        setOpenIds((prev) => prev.filter((id) => valid.has(id)));
-        setPinned((prev) => prev.filter((id) => valid.has(id)));
+        // String 归一化后再过滤，防止存量数字/字符串混杂 id 绕过校验
+        setOpenIds((prev) => prev.map(String).filter((id) => valid.has(id)));
+        setPinned((prev) => prev.map(String).filter((id) => valid.has(id)));
         setModes((prev) => Object.fromEntries(Object.entries(prev).filter(([id]) => valid.has(id))));
         setHistory((prev) => {
-          const ids = prev.ids.filter((id) => valid.has(id));
+          const ids = prev.ids.map(String).filter((id) => valid.has(id));
           return { ids, index: Math.min(prev.index, ids.length - 1) };
         });
         return arr;
@@ -99,7 +117,8 @@ export default function usePanels() {
   // ---- 打开面板：按打开方式分发（tab 新标签 / modal 弹窗 / embed 内嵌） ----
   // panelOverride：新建面板保存后（links 尚未包含）时直接传入对象
   const openPanel = useCallback((id, panelOverride) => {
-    const panel = panelOverride || (links && links.find((p) => String(p.id) === String(id)));
+    id = String(id); // 统一字符串，避免数字/字符串双份加入 openIds
+    const panel = panelOverride || (links && links.find((p) => String(p.id) === id));
     if (!panel) return false;
     touch(id);
     const mode = modes[id] || OPEN_MODE_EMBED;
@@ -108,7 +127,7 @@ export default function usePanels() {
       return false;
     }
     if (mode === OPEN_MODE_MODAL) { setModalId(id); return false; }
-    if (String(activeId) === String(id)) return false;
+    if (activeId === id) return false;
     setOpenIds((prev) => (prev.includes(id) ? prev : [...prev, id]));
     setHistory((prev) => {
       const ids = prev.ids.slice(0, prev.index + 1);
@@ -143,6 +162,7 @@ export default function usePanels() {
 
   // ---- 关闭面板（当前面板被关时自动切到最近历史/其他打开面板） ----
   const closePanel = useCallback((id) => {
+    id = String(id); // 统一字符串：此前数字/字符串混杂导致 filter 漏删、标签关不掉
     const nextOpen = openIds.filter((x) => x !== id);
     setOpenIds(nextOpen);
     delete recency.current[id];
@@ -157,6 +177,7 @@ export default function usePanels() {
   }, [history, openIds]);
 
   const togglePin = useCallback((id) => {
+    id = String(id); // 防止固定集合再次被数字污染
     setPinned((prev) => (prev.includes(id) ? prev.filter((x) => x !== id) : [...prev, id]));
   }, []);
 

frontend/src/tools/workbench/hooks/useWorkbenchLayout.js

@@ -49,17 +49,48 @@ function write(key, value) {
   try { localStorage.setItem(key, JSON.stringify(value)); } catch { /* 隐私模式忽略 */ }
 }
 
-/** 校验 order 合法性：过滤未知/重复视图，遗漏的补到右侧 */
+/** 校验 order 合法性：过滤未知/重复视图，遗漏的补到右侧，且保证每侧至少一个视图 */
 function sanitizeOrder(saved) {
   if (!saved || !Array.isArray(saved.left) || !Array.isArray(saved.right)) return DEFAULT_ORDER;
   const seen = new Set();
-  const clean = (arr) => arr.filter((id) => VIEW_IDS.includes(id) && !seen.has((seen.add(id), id)));
+  const clean = (arr) => {
+    const out = [];
+    arr.forEach((id) => {
+      if (!VIEW_IDS.includes(id) || seen.has(id)) return; // 先查重，后登记
+      seen.add(id);
+      out.push(id);
+    });
+    return out;
+  };
   const left = clean(saved.left);
   const right = clean(saved.right);
   VIEW_IDS.forEach((id) => { if (!seen.has(id)) right.push(id); });
+  // 兜底：持久化可能把视图全挪到一侧（或空数组），刷新后另一侧空白打不开。
+  // 保证每侧至少一个视图（panels 优先左侧，notes 次之）。
+  if (left.length === 0 && right.length > 0) {
+    const preferred = ['panels', 'notes'].find((id) => right.includes(id));
+    const move = preferred || right[0];
+    left.push(move);
+    right.splice(right.indexOf(move), 1);
+  }
+  if (right.length === 0 && left.length > 0) {
+    const preferred = ['notes', 'vault'].find((id) => left.includes(id));
+    const move = preferred || left[0];
+    right.push(move);
+    left.splice(left.indexOf(move), 1);
+  }
   return { left, right };
 }
 
+/** 校验 active：指向的视图必须仍在本侧，否则回退到该侧第一个 */
+function sanitizeActive(saved, order) {
+  if (!saved || typeof saved !== 'object') return { ...DEFAULT_ACTIVE };
+  const pick = (side, fallback) => (
+    order[side].includes(saved[side]) ? saved[side] : (order[side][0] || fallback)
+  );
+  return { left: pick('left', 'panels'), right: pick('right', 'notes') };
+}
+
 /** 校验 mode：只接受 sidebar/tab（float 为保留值，不持久化激活） */
 function sanitizeMode(saved) {
   const out = { ...DEFAULT_MODE };
@@ -73,10 +104,7 @@ function sanitizeMode(saved) {
 
 export default function useWorkbenchLayout() {
   const [order, setOrder] = useState(() => sanitizeOrder(read(STORE.order, null)));
-  const [active, setActive] = useState(() => {
-    const saved = read(STORE.active, null);
-    return saved && saved.left && saved.right ? saved : DEFAULT_ACTIVE;
-  });
+  const [active, setActive] = useState(() => sanitizeActive(read(STORE.active, null), order));
   const [mode, setMode] = useState(() => sanitizeMode(read(STORE.mode, null)));
   const [terminalOpen, setTerminalOpen] = useState(() => read(STORE.terminal, false));
 

frontend/src/tools/workbench/index.js

@@ -21,7 +21,8 @@ export { default as SidebarPane } from './components/SidebarPane.jsx';
 export { default as ToolWindow } from './components/ToolWindow.jsx';
 export { default as TabStrip } from './components/TabStrip.jsx';
 export { default as ContentView } from './components/ContentView.jsx';
-export { default as TerminalPanel } from './components/TerminalPanel.jsx';
+// 终端面板临时下线：组件归档到 archive/（前端入口已移除，恢复时改回 components/ 路径）
+export { default as TerminalPanel } from './archive/TerminalPanel.jsx';
 export { default as StatusBar } from './components/StatusBar.jsx';
 export { default as MenuBar } from './components/MenuBar.jsx';
 export { default as useNotes } from './hooks/useNotes.js';

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "rainweb-links",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "rainweb-links",
-      "version": "2.1.0",
+      "version": "2.2.0",
       "dependencies": {
         "@dnd-kit/core": "^6.3.1",
         "@dnd-kit/sortable": "^10.0.0",
@@ -567,7 +567,7 @@
       }
     },
     "node_modules/@emotion/utils": {
-      "version": "2.1.0",
+      "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/@emotion/utils/-/utils-1.4.2.tgz",
       "integrity": "sha512-3vLclRofFziIa3J2wDh9jjbkUz9qk5Vi3IZ/FSTKViB0k+ef0fPV7dYrUIugbgupYDx7v9ud/SjrtEP8Y4xLoA==",
       "license": "MIT"
@@ -1402,7 +1402,7 @@
       }
     },
     "node_modules/concat-stream": {
-      "version": "2.1.0",
+      "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz",
       "integrity": "sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==",
       "engines": [
@@ -1562,7 +1562,7 @@
       "license": "MIT"
     },
     "node_modules/depd": {
-      "version": "2.1.0",
+      "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
       "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==",
       "license": "MIT",
@@ -1639,7 +1639,7 @@
       "license": "MIT"
     },
     "node_modules/encodeurl": {
-      "version": "2.1.0",
+      "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz",
       "integrity": "sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg==",
       "license": "MIT",
@@ -2639,7 +2639,7 @@
       }
     },
     "node_modules/ms": {
-      "version": "2.1.0",
+      "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
       "license": "MIT"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rainweb-links",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "链接聚合管理平台",
   "main": "server.js",
   "scripts": {

vite.config.js

@@ -21,6 +21,9 @@ module.exports = defineConfig({
     proxy: {
       '/api': 'http://localhost:3101',
       '/uploads': 'http://localhost:3101',
+      // Web 终端 WS：/ws/terminal 必须走 WebSocket 代理，否则 dev 下解锁后
+      // 连接永远失败 → 终端空转白屏（生产由 server.js 的 upgrade 事件处理）
+      '/ws': { target: 'ws://localhost:3101', ws: true },
     },
   },
 });