Add initial files for Audio Dashboard Management System

- Created .env.example for environment variable configuration.
- Added docker-compose.yml for service orchestration.
- Implemented frequency response extraction in extract_frequency_response.py and convert_to_frequency_db.py.
- Generated output files: frequency_response_detailed.json, frequency_response_points.json, frequency_response.csv, and frequency_response_curve.png.
- Included sample measurement data for FiiO FA19 in CSV format.

frontend/src/api/model.js

@@ -29,26 +29,31 @@ export function getModel(id) {
 
 /**
  * 创建型号
- * @param {Object} data - 型号数据
+ * @param {Object} data - 型号数据或 FormData
+ * @param {Object} config - 额外配置
+ * @param {boolean} config.isFormData - 是否为 FormData 上传
  */
-export function createModel(data) {
+export function createModel(data, config = {}) {
   return request({
     url: '/models/',
     method: 'post',
-    data
+    data,
+    headers: config.isFormData ? { 'Content-Type': 'multipart/form-data' } : {}
   })
 }
 
 /**
  * 更新型号
- * @param {Object} data - 型号数据
- * @param {number} data.id - 型号 ID
+ * @param {Object} data - 型号数据或 FormData
+ * @param {Object} config - 额外配置
+ * @param {boolean} config.isFormData - 是否为 FormData 上传
  */
-export function updateModel(data) {
+export function updateModel(data, config = {}) {
   return request({
-    url: `/models/${data.id}`,
+    url: `/models/${data.id || data.get('id')}`,
     method: 'put',
-    data
+    data,
+    headers: config.isFormData ? { 'Content-Type': 'multipart/form-data' } : {}
   })
 }