feat: 完善文档中心与报销申请交互及侧边栏重构

后端优化编排器报销查询和本体检测精度，增强报销单草稿保
存和附件回填逻辑，前端重构侧边栏组件支持折叠和图标导
航，完善文档中心状态筛选和详情提示，报销创建和审批详情
页优化会话管理和费用明细交互，新增助手应用服务和预设动
作工具函数，补充单元测试覆盖。

web/tests/assistant-session-draft-delete.test.mjs

@@ -90,12 +90,12 @@ test('saving a draft keeps the financial assistant open for continued work', ()
 
   assert.ok(handleDraftSavedBlock)
   assert.match(handleDraftSavedBlock, /if \(status === 'submitted'\) \{[\s\S]*smartEntryOpen\.value = false/)
-  assert.match(handleDraftSavedBlock, /if \(status === 'submitted'\) \{[\s\S]*router\.push\(\{ name: 'app-requests' \}\)/)
+  assert.match(handleDraftSavedBlock, /if \(status === 'submitted'\) \{[\s\S]*router\.push\(\{ name: activeView\.value === 'documents' \? 'app-documents' : 'app-requests' \}\)/)
   assert.match(handleDraftSavedBlock, /return[\s\S]*单据已保存为草稿，可继续上传票据或补充信息。/)
 
   const draftSuccessIndex = handleDraftSavedBlock.indexOf('单据已保存为草稿，可继续上传票据或补充信息。')
   assert.equal(handleDraftSavedBlock.indexOf('smartEntryOpen.value = false', draftSuccessIndex), -1)
-  assert.equal(handleDraftSavedBlock.indexOf("router.push({ name: 'app-requests' })", draftSuccessIndex), -1)
+  assert.equal(handleDraftSavedBlock.indexOf("router.push({ name: activeView.value === 'documents' ? 'app-documents' : 'app-requests' })", draftSuccessIndex), -1)
 })
 
 test('detail smart entry is scoped to the current claim instead of the latest conversation', () => {