fix: 修复审批详情页审批按钮不显示的问题

- 在 ApprovalRecord 接口中添加 node_id 和 approver_id 字段
- 添加调试日志帮助排查问题

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/pages/approval/detail.tsx

@@ -41,8 +41,10 @@ const businessTypeConfig: Record<string, string> = {
 
 interface ApprovalRecord {
   id: number
+  node_id: number
   node_type: string
   action: string
+  approver_id: number
   comment: string | null
   created_at: string
   approver: {
@@ -159,6 +161,15 @@ export default function ApprovalDetail() {
 
   // 检查是否是当前审批人
   const isCurrentApprover = () => {
+    console.log('🔍 isCurrentApprover 检查:', {
+      hasDetail: !!detail,
+      hasUser: !!user,
+      userId: user?.id,
+      status: detail?.status,
+      currentNodes: detail?.current_nodes,
+      nodesCount: detail?.flow?.nodes?.length,
+    })
+
     if (!detail || !user) return false
     if (detail.status !== 'pending') return false
 
@@ -166,17 +177,36 @@ export default function ApprovalDetail() {
     const currentNodeIds = detail.current_nodes || []
     const nodes = detail.flow?.nodes || []
 
+    console.log('🔍 节点信息:', {
+      currentNodeIds,
+      nodes: nodes.map(n => ({ id: n.id, name: n.name, approvers: n.approvers })),
+    })
+
     for (const nodeId of currentNodeIds) {
       const node = nodes.find((n) => n.id === nodeId)
+      console.log(`🔍 检查节点 ${nodeId}:`, {
+        node,
+        approvers: node?.approvers,
+        userId: user.id,
+        isInApprovers: node?.approvers?.includes(user.id),
+      })
       if (node && node.approvers && node.approvers.includes(user.id)) {
         // 检查是否已审批 - 使用 approver_id 而不是 approver.id
         const hasApproved = detail.records.some(
           (r) => r.node_id === nodeId && r.approver_id === user.id
         )
-        if (!hasApproved) return true
+        console.log(`🔍 节点 ${nodeId} 审批状态:`, {
+          hasApproved,
+          records: detail.records.filter(r => r.node_id === nodeId),
+        })
+        if (!hasApproved) {
+          console.log('✅ 是当前审批人！')
+          return true
+        }
       }
     }
 
+    console.log('❌ 不是当前审批人')
     return false
   }