feat: add shared user agent constants

integrations/playback/allanime/client.go

@@ -11,6 +11,7 @@ import (
 	"fmt"
 	"io"
 	"mal/internal/domain"
+	"mal/pkg/net/useragent"
 	"mal/pkg/net/utls"
 	"net/http"
 	"net/url"
@@ -23,7 +24,7 @@ const (
 	allAnimeBaseURL  = "https://api.allanime.day"
 	allAnimeReferer  = "https://allmanga.to/"
 	allAnimeOrigin   = "https://youtu-chan.com"
-	defaultUserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/121.0"
+	defaultUserAgent = useragent.Firefox121
 )
 
 var (

integrations/watchorder/watch_order.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"mal/pkg/net/useragent"
 	"net/http"
 	"regexp"
 	"strconv"
@@ -13,8 +14,6 @@ import (
 	"github.com/PuerkitoBio/goquery"
 )
 
-const defaultUserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36"
-
 // idPattern extracts the watch order ID from chiaki.site URLs
 var idPattern = regexp.MustCompile(`/id/(\d+)`)
 
@@ -82,7 +81,7 @@ func parseRootID(url string) (int, error) {
 }
 
 func addCommonHeaders(request *http.Request) {
-	request.Header.Set("User-Agent", defaultUserAgent)
+	request.Header.Set("User-Agent", useragent.Chrome135)
 	request.Header.Set("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8")
 	request.Header.Set("Accept-Language", "en-US,en;q=0.9")
 	request.Header.Set("Referer", "https://chiaki.site/")