feat(web): 文档查询意图补充风险过滤与 X 天前范围

- aiDocumentQueryIntent 新增风险等级过滤（无/高/中/低/有风险）与 N 天前日期范围解析
- aiDocumentQueryModel/aiConversationHtmlRenderer 渲染适配风险过滤标签
- useWorkbenchAiDocumentQueryFlow/aiWorkbenchConversationStore 会话流转适配命令意图
- 更新 ai-document-query-model/ai-conversation-html-renderer/assistant-session-draft-delete 测试

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

@@ -5,6 +5,7 @@ import { fileURLToPath } from 'node:url'
 
 import {
   markAiWorkbenchConversationDraftDeleted,
+  markAiWorkbenchConversationDocumentDeleted,
   loadAiWorkbenchConversationHistory,
   saveAiWorkbenchConversation
 } from '../src/utils/aiWorkbenchConversationStore.js'
@@ -120,6 +121,54 @@ test('deleting an application draft marks AI workbench detail links as unavailab
   assert.equal(loadAiWorkbenchConversationHistory(user)[0].messages.length, 2)
 })
 
+test('deleted document detail links are disabled for reopened AI conversations', () => {
+  installWindowStub()
+  const user = { username: 'zhangsan@example.com' }
+
+  saveAiWorkbenchConversation(user, {
+    id: 'conversation-document-delete-candidate',
+    title: '删除申请单草稿',
+    messages: [
+      {
+        id: 'assistant-document-candidates',
+        role: 'assistant',
+        content: [
+          '### 已查询到相关单据',
+          '',
+          '[进入详情确认删除](#ai-open-document-detail:claim_id%3Dclaim-draft-2%26claim_no%3DAP-DRAFT-002)'
+        ].join('\n')
+      }
+    ]
+  })
+
+  const nextHistory = markAiWorkbenchConversationDocumentDeleted(user, {
+    claimId: 'claim-draft-2',
+    claimNo: 'AP-DRAFT-002'
+  })
+  const conversation = nextHistory.find((item) => item.id === 'conversation-document-delete-candidate')
+
+  assert.ok(conversation)
+  assert.match(conversation.messages[0].content, /#ai-deleted-document-detail:/)
+  assert.doesNotMatch(conversation.messages[0].content, /#ai-open-document-detail:/)
+  assert.match(conversation.messages[0].content, /\[单据已删除\]/)
+  assert.match(conversation.messages.at(-1).content, /单据 AP-DRAFT-002 已经删除或不可访问/)
+  assert.match(conversation.messages.at(-1).content, /该历史入口已失效，请返回单据列表重新查询/)
+  assert.equal(loadAiWorkbenchConversationHistory(user)[0].messages.length, 2)
+})
+
+test('AI workbench validates document detail links before opening stale history entries', () => {
+  const aiMode = readFileSync(
+    fileURLToPath(new URL('../src/composables/workbenchAiMode/usePersonalWorkbenchAiMode.js', import.meta.url)),
+    'utf8'
+  )
+
+  assert.match(aiMode, /fetchExpenseClaimDetail/)
+  assert.match(aiMode, /markAiWorkbenchConversationDocumentDeleted/)
+  assert.match(aiMode, /async function handleAiAnswerMarkdownClick/)
+  assert.match(aiMode, /await ensureAiDocumentDetailStillAvailable/)
+  assert.match(aiMode, /已将这条历史入口标记为不可查看/)
+})
+
 test('saving a draft keeps the financial assistant open for continued work', () => {
   const appShellScript = readFileSync(
     fileURLToPath(new URL('../src/composables/useAppShell.js', import.meta.url)),