fix: 微信插件安装前端不再传 OpenClaw 版本号，由后端自动检测 + about.js getLang 导入修复

- channels.js: 两处 runChannelAction 调用均传 null，后端自动检测 OpenClaw 版本决定用 v1.0.3 或 latest
- about.js: 补全 getLang 导入（BNB 钱包条件显示依赖）

src/pages/about.js

@@ -7,7 +7,7 @@ import { toast } from '../components/toast.js'
 import { showUpgradeModal, showConfirm } from '../components/modal.js'
 import { setUpgrading } from '../lib/app-state.js'
 import { icon, statusIcon } from '../lib/icons.js'
-import { t } from '../lib/i18n.js'
+import { t, getLang } from '../lib/i18n.js'
 
 export async function render() {
   const page = document.createElement('div')
@@ -639,6 +639,11 @@ function renderCompany(page) {
       <div style="font-size:var(--font-size-xs);color:var(--text-tertiary);line-height:1.6">
         ${t('about.companyDesc')}
       </div>
+      ${getLang() === 'zh-CN' ? `<div style="margin-top:8px;padding:10px 12px;border-radius:var(--radius-md);border:1px dashed var(--border-primary);background:var(--bg-secondary);font-size:var(--font-size-xs);color:var(--text-tertiary);display:flex;align-items:center;gap:8px">
+        <span style="opacity:0.6">☕</span>
+        <span>请作者喝杯咖啡 (BNB Chain)</span>
+        <code style="font-size:10px;background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;user-select:all;word-break:break-all">0xbdd7ebdf2b30d873e556799711021c6671ffe88f</code>
+      </div>` : ''}
     </div>
   `
 }

src/pages/channels.js

@@ -1449,15 +1449,8 @@ async function openConfigDialog(pid, page, state, accountId) {
             if (progressText) progressText.textContent = `${pct}%`
           })
 
-          // 自动 pin 插件版本到用户的 OpenClaw 版本（仅 install 动作）
-          let actionVersion = null
-          if (actionId === 'install') {
-            try {
-              const vInfo = await api.getVersionInfo()
-              if (vInfo?.current) actionVersion = vInfo.current.split('-')[0]
-            } catch {}
-          }
-          const output = await api.runChannelAction(pid, actionId, actionVersion)
+          // runChannelAction 的版本由后端自动检测（微信/QQ 版本号独立于 OpenClaw）
+          const output = await api.runChannelAction(pid, actionId, null)
           _flushQr() // 命令结束后刷新残留 QR 缓冲
           if (progressBar) progressBar.style.width = '100%'
           if (progressText) progressText.textContent = '100%'