v0.6.0: beautifului 整合 + 会话/工作区/队列/权限/命令/附件全链路

- beautifului.dev 组件直连：Sidebar Nav、Tool Chips、Approval Card（抽屉化）、Streaming/Thinking、Code Block、Selection Actions、Prompt Bar、Search

scripts/install-beautifului.mjs

@@ -0,0 +1,20 @@
+// 把 registry 原版组件复制进 renderer（保持 beautifului.dev 原始源码）
+import { mkdir, copyFile } from 'node:fs/promises'
+
+const stage = new URL('./beautifului/stage/', import.meta.url)
+const root = new URL('../apps/desktop/src/renderer/src/components/', import.meta.url)
+
+await mkdir(new URL('atoms/', root), { recursive: true })
+await mkdir(new URL('primitives/', root), { recursive: true })
+
+const verbatim = [
+  ['Button.tsx', 'atoms/Button.tsx'],
+  ['GlideMenu.tsx', 'primitives/GlideMenu.tsx'],
+  ['LoadingState.tsx', 'primitives/LoadingState.tsx'],
+  ['ApprovalCard.tsx', 'primitives/ApprovalCard.tsx']
+]
+
+for (const [from, to] of verbatim) {
+  await copyFile(new URL(from, stage), new URL(to, root))
+  console.log('copied', from, '->', to)
+}