fix: make HTTP user agents configurable and remove tool identifiers

selfupdate/github.go

@@ -9,6 +9,8 @@ import (
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/Autumn-27/artex/internal/httpidentity"
 )
 
 // Repo 是发布源。写死而不是做成配置项：更新源可配等于给任何能改配置的人一条
@@ -125,7 +127,7 @@ func FetchLatest(ctx context.Context, c *http.Client) (*Release, error) {
 		return nil, err
 	}
 	req.Header.Set("Accept", "application/vnd.github+json")
-	req.Header.Set("User-Agent", "artex-selfupdate")
+	httpidentity.ApplyRequired(req)
 
 	resp, err := c.Do(req)
 	if err != nil {