refactor: remove dead code from api and bot

Drop the empty ProgressTracker shim, unused token context key and a redundant SetBotCommands call.

api/auth.go

@@ -1,7 +1,6 @@
 package api
 
 import (
-	"context"
 	"crypto/subtle"
 	"net/http"
 	"strings"
@@ -9,9 +8,6 @@ import (
 	"github.com/krau/SaveAny-Bot/config"
 )
 
-// tokenContextKey 用于在 context 中存储 token
-type tokenContextKey struct{}
-
 // AuthMiddleware 返回认证中间件
 func AuthMiddleware() func(http.Handler) http.Handler {
 	return func(next http.Handler) http.Handler {
@@ -40,9 +36,7 @@ func AuthMiddleware() func(http.Handler) http.Handler {
 				return
 			}
 
-			// 将 token 添加到 context
-			ctx := context.WithValue(r.Context(), tokenContextKey{}, token)
-			next.ServeHTTP(w, r.WithContext(ctx))
+			next.ServeHTTP(w, r)
 		})
 	}
 }

api/progress.go

@@ -198,19 +198,3 @@ func (t *TaskProgressInfo) Emit(e taskevent.Event) {
 		SendWebhook(nil, payload)
 	}
 }
-
-// ProgressTracker is retained for compatibility but is no longer the primary
-// progress path; taskevent drives updates now. These methods are safe no-ops
-// when called on a nil receiver.
-type ProgressTracker struct{}
-
-func NewProgressTracker(taskID, taskType, storage, path, title, webhook string) *ProgressTracker {
-	return &ProgressTracker{}
-}
-
-func (p *ProgressTracker) OnStart(totalBytes int64, totalFiles int)              {}
-func (p *ProgressTracker) OnProgress(downloadedBytes int64, downloadedFiles int) {}
-func (p *ProgressTracker) OnDone(err error)                                      {}
-func (p *ProgressTracker) GetInfo() *TaskProgressInfo                            { return nil }
-func (p *ProgressTracker) UpdateProgressBytes(bytes int64)                       {}
-func (p *ProgressTracker) UpdateProgressFiles(files int)                         {}

client/bot/bot.go

@@ -70,9 +70,6 @@ func Init(ctx context.Context) <-chan struct{} {
 			}{nil, err}
 			return
 		}
-		client.API().BotsSetBotCommands(ctx, &tg.BotsSetBotCommandsRequest{
-			Scope: &tg.BotCommandScopeDefault{},
-		})
 		commands := make([]tg.BotCommand, 0, len(handlers.CommandHandlers))
 		for _, info := range handlers.CommandHandlers {
 			commands = append(commands, tg.BotCommand{Command: info.Cmd, Description: i18n.T(info.Desc)})