v0.2.3: pane collapse, 1px dividers, flush pane edges

01_content/src/client/locales.ts

@@ -153,6 +153,8 @@ export const zh = {
   'pane.jobsEmpty': '当前会话暂无后台任务',
   'pane.termFail': '终端不可用（宿主缺少 node-pty/ws 或连接失败）',
   'pane.closeTab': '关闭标签页',
+  'pane.collapse': '折叠窗格',
+  'pane.expand': '展开窗格',
   'pane.jobsTitle': '后台任务',
   'pane.subagents': '子代理',
   'pane.subagentsEmpty': '当前会话暂无子代理',
@@ -329,6 +331,8 @@ export const en = {
   'pane.jobsEmpty': 'No background jobs in the current session',
   'pane.termFail': 'Terminal unavailable (host missing node-pty/ws, or connection failed)',
   'pane.closeTab': 'Close tab',
+  'pane.collapse': 'Collapse pane',
+  'pane.expand': 'Expand pane',
   'pane.jobsTitle': 'Background jobs',
   'pane.subagents': 'Subagents',
   'pane.subagentsEmpty': 'No subagents in the current session',