fix for gif and emojies categories

internal/rpc/bots_inline.go

@@ -78,9 +78,16 @@ func (r *Router) onMessagesGetInlineBotResults(ctx context.Context, req *tg.Mess
 			return nil, err
 		}
 	}
-	peer, err := r.checkedDomainPeerFromInputPeer(ctx, userID, req.Peer)
-	if err != nil {
-		return nil, err
+	// inputPeerEmpty 是合法输入:客户端在未绑定具体聊天的全局搜索场景(如 GIF 面板的
+	// 类目/搜索,尚未选定发送目标)会这样发。之前这里无条件走 checkedDomainPeerFromInputPeer,
+	// 把它当无效 peer 拒绝(PEER_ID_INVALID),导致 Android 的 GIF 类目/搜索请求每次都
+	// 400,客户端只能一直转圈——真实 Telegram 服务端接受这种"无聊天上下文"的查询。
+	var peer domain.Peer
+	if _, empty := req.Peer.(*tg.InputPeerEmpty); !empty {
+		peer, err = r.checkedDomainPeerFromInputPeer(ctx, userID, req.Peer)
+		if err != nil {
+			return nil, err
+		}
 	}
 	// 内置（进程内）service bot 分支：@gif 没有 MTProto session、也没有 Bot API 消费者，
 	// 走下面的「推 updateBotInlineQuery + 挂起 25s」必然超时，故同步问 responder。

internal/rpc/messages_history.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"github.com/iamxvbaba/td/tg"
+	"github.com/iamxvbaba/td/tgerr"
 	"sort"
 	"telesrv/internal/domain"
 	"unicode/utf8"
@@ -25,6 +26,25 @@ func (r *Router) onMessagesSearchStickerSets(ctx context.Context, req *tg.Messag
 	}, nil
 }
 
+// onMessagesSearchEmojiStickerSets 之前完全未注册,Android 的 emoji 分类点击/搜索会
+// 无限重试这个方法(每次都拿 NOT_IMPLEMENTED,客户端不认为这是终态错误,一直重发),
+// 表现为分类点击后结果区永远不出来。和 onMessagesSearchStickerSets 同策略,返回合法空结果。
+func (r *Router) onMessagesSearchEmojiStickerSets(ctx context.Context, req *tg.MessagesSearchEmojiStickerSetsRequest) (tg.MessagesFoundStickerSetsClass, error) {
+	if _, _, err := r.currentUserID(ctx); err != nil {
+		return nil, internalErr()
+	}
+	if utf8.RuneCountInString(req.Q) > maxStickerSearchQLength {
+		return nil, limitInvalidErr()
+	}
+	if req.Hash != 0 {
+		return &tg.MessagesFoundStickerSetsNotModified{}, nil
+	}
+	return &tg.MessagesFoundStickerSets{
+		Hash: 0,
+		Sets: []tg.StickerSetCoveredClass{},
+	}, nil
+}
+
 func (r *Router) onMessagesSearchStickers(ctx context.Context, req *tg.MessagesSearchStickersRequest) (tg.MessagesFoundStickersClass, error) {
 	if _, _, err := r.currentUserID(ctx); err != nil {
 		return nil, internalErr()
@@ -52,6 +72,28 @@ func (r *Router) onMessagesSearchStickers(ctx context.Context, req *tg.MessagesS
 	}, nil
 }
 
+func emoticonEmptyErr() error { return tgerr.New(400, "EMOTICON_EMPTY") }
+
+// onMessagesSearchCustomEmoji 目前没有按 emoticon 反查自定义 emoji 的索引,故与
+// onMessagesSearchStickers/onMessagesSearchStickerSets 同策略:返回合法的空结果而非
+// NOT_IMPLEMENTED——之前完全未注册此方法时,Android 的 emoji 分类/搜索会拿到
+// notImplementedErr(),表现为一直转圈(客户端没有为这个具体错误重置搜索 UI 状态)。
+func (r *Router) onMessagesSearchCustomEmoji(ctx context.Context, req *tg.MessagesSearchCustomEmojiRequest) (tg.EmojiListClass, error) {
+	if _, _, err := r.currentUserID(ctx); err != nil {
+		return nil, internalErr()
+	}
+	if req.Emoticon == "" {
+		return nil, emoticonEmptyErr()
+	}
+	if utf8.RuneCountInString(req.Emoticon) > maxStickerSearchQLength {
+		return nil, limitInvalidErr()
+	}
+	if req.Hash != 0 {
+		return &tg.EmojiListNotModified{}, nil
+	}
+	return &tg.EmojiList{Hash: 0, DocumentID: []int64{}}, nil
+}
+
 func (r *Router) onMessagesGetSearchResultsCalendar(ctx context.Context, req *tg.MessagesGetSearchResultsCalendarRequest) (*tg.MessagesSearchResultsCalendar, error) {
 	if req.OffsetID < 0 || req.OffsetID > domain.MaxMessageBoxID || req.OffsetDate < 0 {
 		return nil, limitInvalidErr()

internal/rpc/messages_register.go

@@ -363,6 +363,12 @@ func (r *Router) registerMessages(d *tlprofile.Dispatcher) {
 	registerRPC[*tg.MessagesSearchStickersRequest](d, tlprofile.SemanticMethodMessagesSearchStickers, func(ctx context.Context, layerRequest *tg.MessagesSearchStickersRequest) (any, error) {
 		return r.onMessagesSearchStickers(ctx, layerRequest)
 	})
+	registerRPC[*tg.MessagesSearchCustomEmojiRequest](d, tlprofile.SemanticMethodMessagesSearchCustomEmoji, func(ctx context.Context, layerRequest *tg.MessagesSearchCustomEmojiRequest) (any, error) {
+		return r.onMessagesSearchCustomEmoji(ctx, layerRequest)
+	})
+	registerRPC[*tg.MessagesSearchEmojiStickerSetsRequest](d, tlprofile.SemanticMethodMessagesSearchEmojiStickerSets, func(ctx context.Context, layerRequest *tg.MessagesSearchEmojiStickerSetsRequest) (any, error) {
+		return r.onMessagesSearchEmojiStickerSets(ctx, layerRequest)
+	})
 	registerRPC[*tg.MessagesGetAttachMenuBotsRequest](d, tlprofile.SemanticMethodMessagesGetAttachMenuBots, func(ctx context.Context, layerRequest *tg.MessagesGetAttachMenuBotsRequest) (any, error) {
 		return r.onMessagesGetAttachMenuBots(ctx, layerRequest.
 			Hash)