feat(bots): reactive multi-agent group chat orchestration with CAS leasing (#1007)

Co-authored-by: M57 <hy4ri@users.noreply.github.com>

app/src/main/res/values-zh/strings.xml

@@ -1121,4 +1121,16 @@
     <string name="group_chat_typing">正在输入…</string>
     <string name="group_chat_members_count">%1$d 个成员</string>
     <string name="group_chat_mention_all">@all</string>
+    <string name="group_chat_capped_limit">讨论已暂停（达到轮次上限）— 发送消息继续</string>
+    <string name="group_chat_settings_title">群聊设置</string>
+    <string name="group_chat_settings_max_messages">最大 Bot 回复数</string>
+    <string name="group_chat_settings_max_messages_desc">单次发送的最大 Bot 回复总数 (%1$d)</string>
+    <string name="group_chat_settings_max_handoffs">最大交接轮次</string>
+    <string name="group_chat_settings_max_handoffs_desc">Bot 间互相触发的最大次数 (%1$d)</string>
+    <string name="group_chat_settings_save">保存</string>
+    <string name="group_chat_settings_reset_default">重置为默认</string>
+    <string name="group_chat_settings_system_prompt">房间指令 / 提示词</string>
+    <string name="group_chat_settings_system_prompt_hint">此群聊的自定义规则、语气或上下文（可选）…</string>
+    <string name="group_chat_settings_system_prompt_desc">适用于此房间内所有 Bot 的自定义准则</string>
+    <string name="group_chat_action_settings">设置</string>
 </resources>