feat: 审批流程模块 (T审批A审批)

- 新增 backend/app/api/approval.py 审批API
- 前端H5支持发起审批、审批操作
- 添加审批卡片弹窗组件
- 路由注册审批模块

frontend-h5/src/stores/conversation.ts

@@ -73,6 +73,12 @@ export const useConversationStore = defineStore('conversation', () => {
   /** 审批流程链接列表 */
   const approvalLinks = ref<ApprovalLink[]>([])
 
+  /** 审批卡片弹窗是否显示（关键词触发） */
+  const approvalCardVisible = ref<boolean>(false)
+
+  /** 触发审批卡片的关键词文本 */
+  const approvalCardTriggerText = ref<string>('')
+
   /** 软件下载列表 */
   const softwareDownloads = ref<SoftwareDownload[]>([])
 
@@ -359,6 +365,13 @@ export const useConversationStore = defineStore('conversation', () => {
       return
     }
 
+    // 检查是否包含审批关键词，如果包含则先弹出卡片
+    const hasApprovalKeyword = checkApprovalKeywords(content)
+    if (hasApprovalKeyword) {
+      console.log('[Store] 检测到审批关键词，弹窗后仍发送消息')
+      // 审批弹窗显示，但不阻止消息发送
+    }
+
     // ========================================================================
     // 步骤1：乐观更新 - 立即添加临时消息到列表
     // ========================================================================
@@ -597,6 +610,35 @@ export const useConversationStore = defineStore('conversation', () => {
     }
   }
 
+  // 审批关键词列表（静态配置，后续可从API获取）
+  const APPROVAL_KEYWORDS = ['申请', '资源', '设备', '电脑', '笔记本']
+
+  /** 检查文本是否包含审批关键词，触发审批卡片弹窗 */
+  function checkApprovalKeywords(text: string): boolean {
+    const lowerText = text.toLowerCase()
+    const hasKeyword = APPROVAL_KEYWORDS.some((kw) => lowerText.includes(kw))
+
+    if (hasKeyword) {
+      approvalCardTriggerText.value = text
+      approvalCardVisible.value = true
+      console.log('[Store] 检测到审批关键词，触发卡片弹窗')
+    }
+
+    return hasKeyword
+  }
+
+  /** 关闭审批卡片弹窗 */
+  function closeApprovalCard(): void {
+    approvalCardVisible.value = false
+    approvalCardTriggerText.value = ''
+  }
+
+  /** 显示审批卡片弹窗（快捷按钮触发） */
+  function showApprovalCard(triggerText: string = ''): void {
+    approvalCardTriggerText.value = triggerText
+    approvalCardVisible.value = true
+  }
+
   /**
    * 加载软件下载列表
    * 从后端获取所有可下载的软件列表
@@ -817,6 +859,8 @@ export const useConversationStore = defineStore('conversation', () => {
     agentOnline,
     assistantPanelVisible,
     approvalLinks,
+    approvalCardVisible,
+    approvalCardTriggerText,
     softwareDownloads,
     lastMessageId,
     initialized,
@@ -844,6 +888,9 @@ export const useConversationStore = defineStore('conversation', () => {
     stopPolling,
     shakeAgent,
     fetchApprovalLinks,
+    checkApprovalKeywords,
+    closeApprovalCard,
+    showApprovalCard,
     fetchSoftwareDownloads,
     toggleAssistantPanel,
     switchToConversation,