feat(settings): 默认权限模式改为批准、消息流默认极简模式

- personalization_manager：default_permission_mode 默认与 sanitize 兜底 → approval；block_display_mode → minimal
- stores/personalization.ts：同步默认值、缓存加载兜底与一次性迁移条件
- 快速模式描述「低思考」→「无思考」（中英 appCore 同步）

Co-authored-by: Astrion powered by Kimi-K3 <astrion-agent@users.noreply.github.com>

modules/personalization_manager.py

@@ -79,7 +79,7 @@ DEFAULT_PERSONALIZATION_CONFIG: Dict[str, Any] = {
     "skills_catalog_snapshot": None,
     "default_run_mode": "thinking",
     "default_reasoning_effort": None,  # 默认推理强度：None=默认（不传参）
-    "default_permission_mode": "unrestricted",
+    "default_permission_mode": "approval",
     "default_work_mode": "plan",  # 默认运行模式：plan / ask / execute
     "auto_generate_title": True,
     "title_model": "",  # 对话标题生成使用的子智能体模型条目名（空=跟随主对话默认模型）
@@ -107,7 +107,7 @@ DEFAULT_PERSONALIZATION_CONFIG: Dict[str, Any] = {
     "hide_tool_approval_panel": True,  # 自动审核模式下不自动打开工具审核面板（默认开启）
     "enhanced_tool_display": True,  # 增强工具显示
     "compact_message_display": "full",  # 简略消息显示：full-完整原始内容 / brief-一行概要
-    "block_display_mode": "stacked",  # 堆叠块显示模式：traditional-传统列表 / stacked-堆叠动画 / minimal-极简模式
+    "block_display_mode": "minimal",  # 堆叠块显示模式：traditional-传统列表 / stacked-堆叠动画 / minimal-极简模式
     "show_status_avatar": True,  # 是否显示助手状态形象
     "stacked_hide_borders": False,  # 堆叠块隐藏边线
     "minimal_expand_height_limited": True,  # 极简模式展开摘要行时限制最大高度
@@ -366,7 +366,7 @@ def sanitize_personalization_payload(
     if isinstance(permission_mode, str) and permission_mode in ALLOWED_PERMISSION_MODES:
         base["default_permission_mode"] = permission_mode
     elif base.get("default_permission_mode") not in ALLOWED_PERMISSION_MODES:
-        base["default_permission_mode"] = "unrestricted"
+        base["default_permission_mode"] = "approval"
 
     work_mode = data.get("default_work_mode", base.get("default_work_mode"))
     if isinstance(work_mode, str) and work_mode.strip().lower() in ALLOWED_WORK_MODES:
@@ -518,7 +518,7 @@ def sanitize_personalization_payload(
     if isinstance(block_display_mode, str) and block_display_mode.strip().lower() in ALLOWED_BLOCK_DISPLAY_MODES:
         base["block_display_mode"] = block_display_mode.strip().lower()
     else:
-        base["block_display_mode"] = "stacked"
+        base["block_display_mode"] = "minimal"
 
     # 堆叠块隐藏边线
     if "stacked_hide_borders" in data:

static/src/locales/en-US/appCore.ts

@@ -27,7 +27,7 @@ export default {
 
   // Header run mode / model (computed.ts)
   fastMode: 'Fast mode',
-  fastModeDesc: 'Low reasoning, faster responses',
+  fastModeDesc: 'No reasoning, faster responses',
   thinkingModeDesc: 'Continuous reasoning for complex tasks',
   modelNotSelected: 'No model selected',
   // Plural forms in English; callers should pass both {n} and {count}.

static/src/locales/zh-CN/appCore.ts

@@ -31,7 +31,7 @@ export default {
 
   // ── 头部运行模式 / 模型（computed.ts） ──
   fastMode: '快速模式',
-  fastModeDesc: '低思考，响应更快',
+  fastModeDesc: '无思考，响应更快',
   thinkingModeDesc: '持续推理，适合复杂任务',
   modelNotSelected: '未选择模型',
   // 复数：英文用管道（调用方需同时传 {n} 与 {count}）；中文不区分

static/src/stores/personalization.ts

@@ -215,12 +215,12 @@ const loadCachedStackedHideBorders = (): boolean => {
 
 const loadCachedBlockDisplayMode = (): BlockDisplayMode => {
   if (typeof window === 'undefined' || !window.localStorage) {
-    return 'stacked';
+    return 'minimal';
   }
   try {
     const raw = window.localStorage.getItem(EXPERIMENT_STORAGE_KEY);
     if (!raw) {
-      return 'stacked';
+      return 'minimal';
     }
     const parsed = JSON.parse(raw);
     if (
@@ -232,7 +232,7 @@ const loadCachedBlockDisplayMode = (): BlockDisplayMode => {
   } catch (error) {
     console.warn('读取堆叠块显示模式缓存失败：', error);
   }
-  return 'stacked';
+  return 'minimal';
 };
 
 const persistStackedHideBorders = (value: boolean) => {
@@ -337,7 +337,7 @@ const defaultForm = (): PersonalForm => ({
   disabled_tool_categories: [],
   default_run_mode: null,
   default_reasoning_effort: null,
-  default_permission_mode: 'unrestricted',
+  default_permission_mode: 'approval',
   default_work_mode: 'plan',
   versioning_enabled_by_default: true,
   versioning_backup_mode: 'shallow',
@@ -370,7 +370,7 @@ const defaultForm = (): PersonalForm => ({
 });
 
 const defaultExperimentState = (): ExperimentState => ({
-  blockDisplayMode: 'stacked',
+  blockDisplayMode: 'minimal',
   compactMessageDisplay: 'full'
 });
 
@@ -543,7 +543,7 @@ export const usePersonalizationStore = defineStore('personalization', {
           data.block_display_mode === 'stacked' ||
           data.block_display_mode === 'minimal'
             ? data.block_display_mode
-            : 'stacked',
+            : 'minimal',
         show_status_avatar: data.show_status_avatar !== false,
         show_git_status_bar: data.show_git_status_bar !== false,
         auto_open_terminal_panel: data.auto_open_terminal_panel !== false,
@@ -593,7 +593,7 @@ export const usePersonalizationStore = defineStore('personalization', {
           data.default_permission_mode === 'auto_approval' ||
           data.default_permission_mode === 'unrestricted'
             ? data.default_permission_mode
-            : 'unrestricted',
+            : 'approval',
         default_work_mode:
           data.default_work_mode === 'plan' ||
           data.default_work_mode === 'ask' ||
@@ -678,9 +678,9 @@ export const usePersonalizationStore = defineStore('personalization', {
         this.form = { ...this.form, compact_message_display: 'brief' };
         void this.persistCompactMessageDisplay('brief');
       }
-      // 一次性迁移：堆叠块显示模式旧版仅在 localStorage 保存，后端默认 stacked 时回写本地缓存值。
+      // 一次性迁移：堆叠块显示模式旧版仅在 localStorage 保存，后端默认 minimal 时回写本地缓存值。
       const cachedBlockMode = this.experiments.blockDisplayMode;
-      if (this.form.block_display_mode === 'stacked' && cachedBlockMode !== 'stacked') {
+      if (this.form.block_display_mode === 'minimal' && cachedBlockMode !== 'minimal') {
         this.form = { ...this.form, block_display_mode: cachedBlockMode };
       }
       this.experiments = {