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

apps/desktop/scripts/repro-empty-workspace.mjs

@@ -0,0 +1,21 @@
+// 验证 pi SDK 对空目录（无会话的工作区）的行为：
+//   node scripts/repro-empty-workspace.mjs "C:\path\to\empty\dir"
+import { SessionManager, getAgentDir } from '@earendil-works/pi-coding-agent'
+import { mkdirSync, mkdtempSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+
+const target = process.argv[2] ?? mkdtempSync(join(tmpdir(), 'ws-empty-'))
+mkdirSync(target, { recursive: true })
+console.log('target cwd:', target)
+
+try {
+  const sm = SessionManager.continueRecent(target)
+  console.log('continueRecent OK, sessionFile:', sm.sessionFile ?? '(none)')
+  const list = await SessionManager.list(target)
+  console.log('list count:', list.length)
+} catch (err) {
+  console.error('continueRecent FAILED:', err instanceof Error ? err.message : err)
+  process.exit(1)
+}
+console.log('agentDir:', getAgentDir())