feat(ui): add CreateGroupChatDialog for multi-bot room creation (#982)

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

@@ -86,6 +86,16 @@
     <string name="bots_create_avatar_shape">头像形状</string>
     <string name="bots_create_avatar_color">主题色</string>
     <string name="bots_create_button">创建</string>
+    <string name="bots_action_create_group">创建群聊</string>
+    <string name="bots_create_group_title">新建群聊</string>
+    <string name="bots_create_group_name_label">群聊名称</string>
+    <string name="bots_create_group_name_placeholder">例如 研发小组</string>
+    <string name="bots_create_group_select_bots">选择智能体 (至少 2 个)</string>
+    <string name="bots_create_group_button">创建群聊</string>
+    <string name="bots_tab_all">智能体</string>
+    <string name="bots_tab_groups">群聊</string>
+    <string name="bots_groups_empty_title">暂无群聊</string>
+    <string name="bots_groups_empty_desc">创建多智能体群聊以实现多 Bot 协同。</string>
     <string name="screen_webhooks">Webhook</string>
     <string name="screen_gateway">网关</string>
     <string name="screen_toolsets">工具集</string>