refactor(frontend): 用 TypeScript 版本替换 JavaScript API 客户端

- 删除旧的 JavaScript API 客户端 (index.js)
- 使用新的 TypeScript 版本 (index.ts)

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

frontend/src/api/index.js

@@ -1,81 +0,0 @@
-import axios from 'axios'
-
-const request = axios.create({
-  baseURL: '/api/v1',
-  timeout: 60000
-})
-
-// Request interceptor
-request.interceptors.request.use(
-  config => {
-    return config
-  },
-  error => {
-    return Promise.reject(error)
-  }
-)
-
-// Response interceptor
-request.interceptors.response.use(
-  response => {
-    return response.data
-  },
-  error => {
-    const message = error.response?.data?.message || error.message || '请求失败'
-    console.error('API Error:', message)
-    return Promise.reject(error)
-  }
-)
-
-export const projectApi = {
-  list: () => request.get('/projects/'),
-  get: (id) => request.get(`/projects/${id}`),
-  create: (data) => request.post('/projects/', data),
-  update: (id, data) => request.put(`/projects/${id}`, data),
-  delete: (id) => request.delete(`/projects/${id}`)
-}
-
-export const fileApi = {
-  upload: (projectId, formData) =>
-    request.post(`/projects/${projectId}/files/upload`, formData, {
-      headers: { 'Content-Type': 'multipart/form-data' }
-    }),
-  list: (projectId) => request.get(`/projects/${projectId}/files/`),
-  get: (projectId, fileId) => request.get(`/projects/${projectId}/files/${fileId}`),
-  delete: (projectId, fileId) => request.delete(`/projects/${projectId}/files/${fileId}`)
-}
-
-export const chunkApi = {
-  split: (projectId, data) => request.post(`/projects/${projectId}/chunks/split`, data),
-  list: (projectId, params) => request.get(`/projects/${projectId}/chunks/`, { params }),
-  get: (projectId, chunkId) => request.get(`/projects/${projectId}/chunks/${chunkId}`),
-  update: (projectId, chunkId, data) => request.put(`/projects/${projectId}/chunks/${chunkId}`, data),
-  delete: (projectId, chunkId) => request.delete(`/projects/${projectId}/chunks/${chunkId}`)
-}
-
-export const questionApi = {
-  generate: (projectId, data) => request.post(`/projects/${projectId}/generate-questions`, data),
-  list: (projectId, params) => request.get(`/projects/${projectId}/chunks/${params.chunkId}/questions`),
-  update: (projectId, questionId, data) => request.put(`/projects/${projectId}/questions/${questionId}`, data),
-  delete: (projectId, questionId) => request.delete(`/projects/${projectId}/questions/${questionId}`)
-}
-
-export const datasetApi = {
-  list: (projectId) => request.get(`/projects/${projectId}/datasets/`),
-  create: (projectId, data) => request.post(`/projects/${projectId}/datasets/`, data),
-  get: (projectId, datasetId) => request.get(`/projects/${projectId}/datasets/${datasetId}`),
-  delete: (projectId, datasetId) => request.delete(`/projects/${projectId}/datasets/${datasetId}`),
-  export: (projectId, datasetId, data) =>
-    request.post(`/projects/${projectId}/datasets/${datasetId}/export`, data, {
-      responseType: 'blob'
-    })
-}
-
-export const evalApi = {
-  list: (projectId) => request.get(`/projects/${projectId}/eval-datasets/`),
-  create: (projectId, data) => request.post(`/projects/${projectId}/eval-datasets/`, data),
-  run: (projectId, evalId) => request.post(`/projects/${projectId}/eval-datasets/${evalId}/evaluate`),
-  getResults: (projectId, taskId) => request.get(`/projects/${projectId}/eval-tasks/${taskId}`)
-}
-
-export default request