优化: 对话执行轨迹聚合与工具卡交互

前端聚合当前轮次工具调用数,替代每轮清零的完成计数,进度文案改轮次+累计口径
完成聚合语义由执行轨迹卡承接,工具卡复读修复与默认折叠收敛
流式与工具事件配套调整,新增轮次轨迹收集 composable

src/i18n/en/aiChat.ts

@@ -190,7 +190,7 @@ export default {
     // M5:path deny second confirmation (deny is irreversible — tool returns Err, loop continues without retry; asymmetry with approve, prevents mis-clicks)
     dirAuthDenyConfirm: 'Deny authorization? The tool will fail immediately and will not be retried this round.',
     // Persistent bypass banner shown at the top of the chat area while "trust all directories" is on
-    pathAuthBypassBanner: 'Authorization bypassed: AI can access files directly',
+    pathAuthBypassBanner: 'Authorization fully bypassed (including sensitive directories): AI can access any file directly',
 
     // ── Input Augmentation layer: mention/skill injection feedback ──
     // search_files blind search denied by whitelist fallback (no auth dialog; prompt user to use @mention or absolute path)