feat: custom pane defaults to send-to-session mode (order swapped) + native folder-picker for project folder

01_content/src/client/locales.ts

@@ -40,11 +40,10 @@ export const zh = {
   'shortcut.badge': '本地',
   'add.chooseLayout': '选择布局模式',
   'add.layoutNamePh': '布局名称',
-  'add.folderParent': '项目文件夹（父目录）',
-  'add.folderParentPh': '例如 E:\\AI_Workspace\\DeepseekHarness\\Projects',
-  'add.folderName': '文件夹名',
-  'add.folderNamePh': '留空 = 用项目名',
-  'add.folderRequired': '请填写项目文件夹的父目录（保存时将创建「父目录\项目名」）',
+  'add.folderParent': '项目文件夹',
+  'add.folderPick': '选择位置…',
+  'add.folderNone': '未选择（点右侧「选择位置…」在资源管理器窗口里挑一个文件夹）',
+  'add.folderRequired': '请先选择项目文件夹的位置',
   'add.layoutSave': '进入工作区',
   'add.layoutInvalid': '请填写布局名称',
   'manage.deleteLayout': '删除布局',
@@ -171,11 +170,10 @@ export const en = {
   'shortcut.badge': 'Local',
   'add.chooseLayout': 'Choose a layout',
   'add.layoutNamePh': 'Layout name',
-  'add.folderParent': 'Project folder (parent dir)',
-  'add.folderParentPh': 'e.g. E:\\AI_Workspace\\DeepseekHarness\\Projects',
-  'add.folderName': 'Folder name',
-  'add.folderNamePh': 'Blank = use project name',
-  'add.folderRequired': 'Fill in the project folder parent (the folder parent\\project-name will be created)',
+  'add.folderParent': 'Project folder',
+  'add.folderPick': 'Choose…',
+  'add.folderNone': 'Not chosen (click Choose… to pick a folder in the explorer window)',
+  'add.folderRequired': 'Pick the project folder location first',
   'add.layoutSave': 'Enter workspace',
   'add.layoutInvalid': 'Enter a layout name',
   'manage.deleteLayout': 'Delete layout',