移除gitignore中的lib文件夹，上传被排除掉的前端lib文件

dashboard/src/lib/survey-api.ts

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+/**
+ * 问卷调查 API 客户端
+ * 用于与 Cloudflare Workers 问卷服务交互
+ */
+
+import type { 
+  SurveySubmission, 
+  StoredSubmission, 
+  SurveyStats,
+  SurveySubmitResponse,
+  SurveyStatsResponse,
+  UserSubmissionsResponse,
+  QuestionAnswer
+} from '@/types/survey'
+
+// 配置统计服务 API 地址
+const STATS_API_BASE_URL = 'https://maibot-plugin-stats.maibot-webui.workers.dev'
+
+/**
+ * 生成或获取用户ID
+ */
+export function getUserId(): string {
+  const storageKey = 'maibot_user_id'
+  let userId = localStorage.getItem(storageKey)
+  
+  if (!userId) {
+    // 生成新的用户ID: fp_{fingerprint}_{timestamp}_{random}
+    const fingerprint = Math.random().toString(36).substring(2, 10)
+    const timestamp = Date.now().toString(36)
+    const random = Math.random().toString(36).substring(2, 10)
+    userId = `fp_${fingerprint}_${timestamp}_${random}`
+    localStorage.setItem(storageKey, userId)
+  }
+  
+  return userId
+}
+
+/**
+ * 提交问卷
+ */
+export async function submitSurvey(
+  surveyId: string,
+  surveyVersion: string,
+  answers: QuestionAnswer[],
+  options?: {
+    allowMultiple?: boolean
+    userId?: string
+  }
+): Promise<SurveySubmitResponse> {
+  try {
+    const userId = options?.userId || getUserId()
+    
+    const submission: SurveySubmission & { allowMultiple?: boolean } = {
+      surveyId,
+      surveyVersion,
+      userId,
+      answers,
+      submittedAt: new Date().toISOString(),
+      allowMultiple: options?.allowMultiple,
+      metadata: {
+        userAgent: navigator.userAgent,
+        language: navigator.language
+      }
+    }
+    
+    const response = await fetch(`${STATS_API_BASE_URL}/survey/submit`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(submission),
+    })
+    
+    const data = await response.json()
+    
+    if (response.status === 429) {
+      return { success: false, error: '提交过于频繁，请稍后再试' }
+    }
+    
+    if (response.status === 409) {
+      return { success: false, error: data.error || '你已经提交过这份问卷了' }
+    }
+    
+    if (!response.ok) {
+      return { success: false, error: data.error || '提交失败' }
+    }
+    
+    return { 
+      success: true, 
+      submissionId: data.submissionId,
+      message: data.message 
+    }
+  } catch (error) {
+    console.error('Error submitting survey:', error)
+    return { success: false, error: '网络错误' }
+  }
+}
+
+/**
+ * 获取问卷统计数据
+ */
+export async function getSurveyStats(surveyId: string): Promise<SurveyStatsResponse> {
+  try {
+    const response = await fetch(`${STATS_API_BASE_URL}/survey/stats/${surveyId}`)
+    
+    if (!response.ok) {
+      const data = await response.json()
+      return { success: false, error: data.error || '获取统计数据失败' }
+    }
+    
+    const data = await response.json()
+    return { success: true, stats: data.stats as SurveyStats }
+  } catch (error) {
+    console.error('Error fetching survey stats:', error)
+    return { success: false, error: '网络错误' }
+  }
+}
+
+/**
+ * 获取用户提交记录
+ */
+export async function getUserSubmissions(
+  surveyId?: string,
+  userId?: string
+): Promise<UserSubmissionsResponse> {
+  try {
+    const finalUserId = userId || getUserId()
+    const params = new URLSearchParams({ user_id: finalUserId })
+    
+    if (surveyId) {
+      params.append('survey_id', surveyId)
+    }
+    
+    const response = await fetch(`${STATS_API_BASE_URL}/survey/submissions?${params}`)
+    
+    if (!response.ok) {
+      const data = await response.json()
+      return { success: false, error: data.error || '获取提交记录失败' }
+    }
+    
+    const data = await response.json()
+    return { success: true, submissions: data.submissions as StoredSubmission[] }
+  } catch (error) {
+    console.error('Error fetching user submissions:', error)
+    return { success: false, error: '网络错误' }
+  }
+}
+
+/**
+ * 检查用户是否已提交问卷
+ */
+export async function checkUserSubmission(
+  surveyId: string,
+  userId?: string
+): Promise<{ success: boolean; hasSubmitted?: boolean; error?: string }> {
+  try {
+    const finalUserId = userId || getUserId()
+    const params = new URLSearchParams({
+      user_id: finalUserId,
+      survey_id: surveyId
+    })
+    
+    const response = await fetch(`${STATS_API_BASE_URL}/survey/check?${params}`)
+    
+    if (!response.ok) {
+      const data = await response.json()
+      return { success: false, error: data.error || '检查失败' }
+    }
+    
+    const data = await response.json()
+    return { success: true, hasSubmitted: data.hasSubmitted }
+  } catch (error) {
+    console.error('Error checking submission:', error)
+    return { success: false, error: '网络错误' }
+  }
+}