feat: busy state on bind dots — bound conversation running shows alternating blinking blue glow

01_content/src/client/locales.ts

@@ -94,6 +94,7 @@ export const zh = {
   'bind.titleBound': '已绑定对话（●●）：点击更换或解绑',
   'bind.tipUnbound': '未绑定对话：点击选择要跟随的对话',
   'bind.tipDone': '（任务已完成，点击项目查看）',
+  'bind.tipBusy': '（对话正在处理任务…）',
   'bind.tipNeed': '（需要你的决定，点击项目处理）',
   'bind.folder': '项目文件夹',
   'bind.folderChange': '更改',
@@ -226,6 +227,7 @@ export const en = {
   'bind.titleBound': 'Conversation bound (●●): click to change or unbind',
   'bind.tipUnbound': 'No conversation bound — click to pick one',
   'bind.tipDone': ' (task completed — click the project to view)',
+  'bind.tipBusy': ' (conversation is working on the task…)',
   'bind.tipNeed': ' (needs your decision — click the project to handle)',
   'bind.folder': 'Project folder',
   'bind.folderChange': 'Change',