feat: add backend API for flexible account record upload and validation, including concurrent account_id fetching, and a new frontend upload page.

backend/internal/api/upload.go

@@ -7,9 +7,9 @@ import (
 	"net/http"
 	"strings"
 	"sync"
-	"time"
 	"unicode"
 
+	"codex-pool/internal/client"
 	"codex-pool/internal/database"
 	"codex-pool/internal/logger"
 )
@@ -255,7 +255,10 @@ func normalizeOwner(rec accountRecord, index int) (database.TeamOwner, error) {
 
 // fetchAccountID 通过 token 获取 account_id
 func fetchAccountID(token string) (string, error) {
-	client := &http.Client{Timeout: 15 * time.Second}
+	tlsClient, err := client.New("")
+	if err != nil {
+		return "", fmt.Errorf("创建 TLS 客户端失败: %v", err)
+	}
 
 	req, err := http.NewRequest("GET", "https://chatgpt.com/backend-api/accounts/check/v4-2023-04-27", nil)
 	if err != nil {
@@ -264,9 +267,8 @@ func fetchAccountID(token string) (string, error) {
 
 	req.Header.Set("Authorization", "Bearer "+token)
 	req.Header.Set("Content-Type", "application/json")
-	req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36")
 
-	resp, err := client.Do(req)
+	resp, err := tlsClient.Do(req)
 	if err != nil {
 		return "", fmt.Errorf("请求失败: %v", err)
 	}
@@ -276,7 +278,7 @@ func fetchAccountID(token string) (string, error) {
 		return "", fmt.Errorf("API 返回状态码: %d", resp.StatusCode)
 	}
 
-	body, err := io.ReadAll(resp.Body)
+	body, err := client.ReadBody(resp)
 	if err != nil {
 		return "", fmt.Errorf("读取响应失败: %v", err)
 	}