feat: 增强风险规则生成引擎与预算中心页面

后端拆分风险规则生成为解释器、语义分析、本体对齐等子模块，
优化模板执行和流程图生成，完善员工种子数据和导入逻辑，增强
报销单权限策略和草稿持久化，前端新增预算中心视图和趋势图
组件，重构审计页面和风险规则测试对话框交互，完善文档中心
和报销创建页面细节，补充单元测试覆盖。

web/src/views/scripts/useApplicationPreviewEditor.js

@@ -0,0 +1,105 @@
+import { ref } from 'vue'
+
+import {
+  APPLICATION_TRANSPORT_MODE_OPTIONS,
+  buildApplicationPreviewRows,
+  buildLocalApplicationPreviewMessage,
+  normalizeApplicationPreview
+} from '../../utils/expenseApplicationPreview.js'
+
+export function useApplicationPreviewEditor({ persistSessionState, toast } = {}) {
+  const applicationPreviewEditor = ref({
+    messageId: '',
+    fieldKey: '',
+    draftValue: ''
+  })
+
+  function resolveApplicationPreviewRows(message) {
+    return buildApplicationPreviewRows(message?.applicationPreview || {})
+  }
+
+  function resolveApplicationPreviewEditorControl(fieldKey) {
+    return fieldKey === 'transportMode' ? 'select' : 'text'
+  }
+
+  function resolveApplicationPreviewEditorOptions(fieldKey) {
+    return fieldKey === 'transportMode' ? APPLICATION_TRANSPORT_MODE_OPTIONS : []
+  }
+
+  function isApplicationPreviewEditing(message, fieldKey) {
+    return (
+      String(applicationPreviewEditor.value.messageId || '') === String(message?.id || '') &&
+      applicationPreviewEditor.value.fieldKey === fieldKey
+    )
+  }
+
+  function openApplicationPreviewEditor(message, fieldKey, value) {
+    if (!message?.applicationPreview || !fieldKey) return
+    const targetRow = buildApplicationPreviewRows(message.applicationPreview)
+      .find((row) => row.key === fieldKey)
+    if (targetRow && targetRow.editable === false) return
+    const normalizedValue = String(value || '').trim() === '待补充' ? '' : String(value || '')
+    applicationPreviewEditor.value = {
+      messageId: String(message.id || ''),
+      fieldKey,
+      draftValue: fieldKey === 'transportMode' && !APPLICATION_TRANSPORT_MODE_OPTIONS.includes(normalizedValue)
+        ? ''
+        : normalizedValue
+    }
+  }
+
+  function cancelApplicationPreviewEditor() {
+    applicationPreviewEditor.value = {
+      messageId: '',
+      fieldKey: '',
+      draftValue: ''
+    }
+  }
+
+  function commitApplicationPreviewEditor(message) {
+    const editor = applicationPreviewEditor.value
+    if (!message?.applicationPreview || String(editor.messageId || '') !== String(message.id || '') || !editor.fieldKey) {
+      cancelApplicationPreviewEditor()
+      return false
+    }
+
+    const nextValue = String(editor.draftValue || '').trim()
+    const nextPreview = normalizeApplicationPreview({
+      ...message.applicationPreview,
+      fields: {
+        ...(message.applicationPreview.fields || {}),
+        [editor.fieldKey]: nextValue
+      }
+    })
+    message.applicationPreview = nextPreview
+    message.text = buildLocalApplicationPreviewMessage(nextPreview)
+    cancelApplicationPreviewEditor()
+    persistSessionState?.()
+    toast?.('已更新核对表内容。')
+    return true
+  }
+
+  function handleApplicationPreviewEditorKeydown(event, message) {
+    if (event.key === 'Enter') {
+      event.preventDefault()
+      commitApplicationPreviewEditor(message)
+      return
+    }
+    if (event.key === 'Escape') {
+      event.preventDefault()
+      cancelApplicationPreviewEditor()
+    }
+  }
+
+  return {
+    applicationPreviewEditor,
+    resolveApplicationPreviewRows,
+    resolveApplicationPreviewEditorControl,
+    resolveApplicationPreviewEditorOptions,
+    isApplicationPreviewEditing,
+    openApplicationPreviewEditor,
+    commitApplicationPreviewEditor,
+    cancelApplicationPreviewEditor,
+    handleApplicationPreviewEditorKeydown
+  }
+}