feat: 将项目从nano重命名为beaver并更新相关配置

- 将所有环境变量前缀从NANO_改为BEAVER_
- 更新README.md文档内容，包括项目介绍、组件说明和快速开始指南
- 修改.gitignore文件，添加auth-portal运行时路径排除规则
- 更新app-instance镜像标签从nano/app-instance改为beaver/app-instance
- 增强技能安全检查器，支持工具前缀白名单功能
- 添加技能草稿重新检查安全性API端点
- 扩展证据选择器，收集工具调用名称用于技能学习
- 改进技能合成器，基于实际调用的工具生成工具提示
- 优化路由超时处理机制，增加重试逻辑
- 更新后端架构文档，添加可视化入口和基础概念说明
- 实现在WebSocket消息中传递工具迭代次数信息

app-instance/frontend/app/(app)/skills/page.tsx

@@ -41,6 +41,7 @@ import {
   listSkillDrafts,
   listSkills,
   publishSkillDraft,
+  recheckSkillDraftSafety,
   regenerateSkillDraft,
   rejectSkillDraft,
   rollbackPublishedSkill,
@@ -412,6 +413,11 @@ export default function SkillsPage() {
                           rejectSkillDraft(draft.skill_name, draft.draft_id)
                         )
                       }
+                      onRecheckSafety={() =>
+                        runAction(`safety:${draft.draft_id}`, () =>
+                          recheckSkillDraftSafety(draft.skill_name, draft.draft_id)
+                        )
+                      }
                       onPublish={(confirmHighRisk) =>
                         runAction(`publish:${draft.draft_id}`, () =>
                           publishSkillDraft(draft.skill_name, draft.draft_id, '', confirmHighRisk)
@@ -697,6 +703,7 @@ function DraftCard({
   onSubmit,
   onApprove,
   onReject,
+  onRecheckSafety,
   onPublish,
 }: {
   draft: SkillDraft;
@@ -704,6 +711,7 @@ function DraftCard({
   onSubmit: () => Promise<unknown>;
   onApprove: () => Promise<unknown>;
   onReject: () => Promise<unknown>;
+  onRecheckSafety: () => Promise<unknown>;
   onPublish: (confirmHighRisk: boolean) => Promise<unknown>;
 }) {
   const { locale } = useAppI18n();
@@ -814,6 +822,10 @@ function DraftCard({
             <XCircle className="mr-2 h-4 w-4" />
             {t('拒绝', 'Reject')}
           </Button>
+          <Button variant="outline" size="sm" disabled={busy || TERMINAL_DRAFT_STATUSES.has(draft.status)} onClick={() => void onRecheckSafety()}>
+            <ShieldCheck className="mr-2 h-4 w-4" />
+            {t('复检', 'Recheck')}
+          </Button>
           <Button size="sm" disabled={busy || publishBlocked} onClick={handlePublish}>
             <Rocket className="mr-2 h-4 w-4" />
             {t('发布', 'Publish')}