Make WhatsApp member presets follow channel mapping by default.

Empty member/group Agent Preset now resolves to the bot workspace mapping (not Host global); settings label is Follow channel mapping, and /new createSession carries that mapping explicitly.

Co-authored-by: Cursor <cursoragent@cursor.com>

plugin-src/client/access-grant-settings.js

@@ -224,7 +224,7 @@ function AgentPresetSelect({
     'aria-label': ariaLabel,
     onChange: (event) => onChange(event.target.value || ''),
   },
-  h('option', { value: '' }, '跟随全局'),
+  h('option', { value: '' }, localizeText('跟随频道映射')),
   ...items.map((item) => h('option', {
     key: item.id,
     value: item.id,

plugin-src/client/i18n.js

@@ -14,6 +14,7 @@ const EN = Object.freeze({
   '渠道用户': 'Channel user',
   "（不可用）": " (unavailable)",
   "群 Agent Preset": "Group Agent Preset",
+  "跟随频道映射": "Follow channel mapping",
   "跟随全局": "Follow global",
   "—": "—",
   "来源": "Source",