feat(release): migrate GeekAI v4.3.0 to open source

- Sync backend and frontend from GeekAI Plus v4.3.0

- Remove commercial License flows and update open-source deployment defaults

- Preserve Docker Compose deployment and bump image tags to v4.3.0

BREAKING CHANGE: commercial License configuration and related endpoints are removed

api/service/sms/bao.go

@@ -8,14 +8,14 @@ package sms
 // * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 import (
+	"context"
 	"fmt"
 	"geekai/core/types"
 	"geekai/utils"
-	"io"
-	"net/http"
 	"net/url"
 	"strconv"
 	"strings"
+	"time"
 )
 
 type BaoSmsService struct {
@@ -58,15 +58,9 @@ func (s *BaoSmsService) SendVerifyCode(mobile string, code int) error {
 	params.Set("c", content)
 
 	apiURL := fmt.Sprintf("https://%s/sms?%s", s.domain, params.Encode())
-	response, err := http.Get(apiURL)
+	body, status, err := utils.FetchURLBytes(context.Background(), apiURL, "", 30*time.Second, 2, 2<<20)
 	if err != nil {
-		return err
-	}
-	defer response.Body.Close()
-
-	body, err := io.ReadAll(response.Body)
-	if err != nil {
-		return err
+		return fmt.Errorf("smsbao request failed: status=%d: %w", status, err)
 	}
 	result := string(body)
 	logger.Debugf("send SmsBao result: %v", errMsg[result])