feat: use production API endpoint

utils/api.ts

@@ -15,7 +15,8 @@ import type {
   VoiceProcessingStatus
 } from './types'
 
-const DEFAULT_API_BASE_URL = 'http://127.0.0.1:8080'
+const DEFAULT_API_BASE_URL = 'https://feedback.shay7sev.site'
+const LEGACY_DEFAULT_API_BASE_URL = 'http://127.0.0.1:8080'
 const API_BASE_URL_KEY = 'teaching-feedback-api-base-url-v1'
 
 export const DEVELOPMENT_USER_ID = '5a4da7f0-d70c-465f-bcab-124c504aa9f0'
@@ -131,12 +132,24 @@ export class ApiRequestError extends Error {
   }
 }
 
+function normalizeApiBaseUrl(value: string): string {
+  return value.trim().replace(/\/+$/, '')
+}
+
 export function getApiBaseUrl(): string {
-  return (wx.getStorageSync(API_BASE_URL_KEY) as string) || DEFAULT_API_BASE_URL
+  const storedValue = wx.getStorageSync(API_BASE_URL_KEY)
+  if (typeof storedValue !== 'string' || !storedValue.trim()) return DEFAULT_API_BASE_URL
+
+  const normalized = normalizeApiBaseUrl(storedValue)
+  if (normalized === LEGACY_DEFAULT_API_BASE_URL) {
+    wx.setStorageSync(API_BASE_URL_KEY, DEFAULT_API_BASE_URL)
+    return DEFAULT_API_BASE_URL
+  }
+  return normalized
 }
 
 export function setApiBaseUrl(value: string): string {
-  const normalized = value.trim().replace(/\/+$/, '')
+  const normalized = normalizeApiBaseUrl(value)
   if (!/^https?:\/\/[^\s]+$/i.test(normalized)) {
     throw new ApiRequestError('服务地址必须以 http:// 或 https:// 开头')
   }