fix: 修复 agent 终端工具审查问题（terminal_list 输出契约、跨会话归属、UTF-8 截断边界等），工具注入改为设置面板开关（默认关闭）

src/client/locales.ts

@@ -90,6 +90,8 @@ const zh = {
   zoomHint: 'Alt + 滚轮',
   settingsSubagentTitle: '检测到子代理时自动展开子代理页面',
   settingsSubagentDesc: '当前会话产生新的子代理时，自动展开侧边栏并打开子代理页面；关闭后需手动打开',
+  settingsToolsTitle: '为模型注入终端工具',
+  settingsToolsDesc: '开启后，模型可通过 terminal_create 等 8 个工具创建并操作侧边栏终端（默认关闭）',
   subagent: '子代理',
   openSubagent: '子代理',
   subagentMainAgent: '主代理',
@@ -192,6 +194,8 @@ const en: Record<keyof typeof zh, string> = {
   zoomHint: 'Alt + wheel',
   settingsSubagentTitle: 'Auto-open the Subagent page when a subagent appears',
   settingsSubagentDesc: 'Expand the side card and open the Subagent page when the current conversation spawns a new subagent; turn off to open it manually',
+  settingsToolsTitle: 'Inject terminal tools for the model',
+  settingsToolsDesc: 'When enabled, the model can create and drive sidebar terminals through the 8 terminal_* tools (off by default)',
   subagent: 'Subagents',
   openSubagent: 'Subagents',
   subagentMainAgent: 'Main agent',