added ability to change user info

internal/app/files/photos.go

@@ -140,6 +140,28 @@ func (s *Service) GetDocument(ctx context.Context, id int64) (domain.Document, b
 	return s.media.GetDocument(ctx, id)
 }
 
+// ValidateAvatarUpload is a pure check (decodes only the image header) so a
+// dry-run preview can validate bytes before SetAccountAvatar/CreateAvatarFromBytes
+// actually renders and stores the avatar's s/a/c size set.
+func (s *Service) ValidateAvatarUpload(data []byte) bool {
+	if len(data) == 0 {
+		return false
+	}
+	cfg, _, err := image.DecodeConfig(bytes.NewReader(data))
+	return err == nil && cfg.Width > 0 && cfg.Height > 0
+}
+
+// CreateAvatarFromBytes stores already-in-hand image bytes as an avatar Photo
+// ('s'/'a'/'c' sizes), for callers that skip the chunked upload.saveFilePart
+// transfer regular clients use (e.g. the admin console, which already has the
+// full file from a browser upload).
+func (s *Service) CreateAvatarFromBytes(ctx context.Context, data []byte, ownerUserID int64) (domain.Photo, error) {
+	if len(data) == 0 {
+		return domain.Photo{}, domain.ErrPhotoInvalid
+	}
+	return s.createAvatarPhoto(ctx, data, ownerUserID)
+}
+
 // CreateAvatarFromUpload 把已上传文件组装成头像 Photo（'s'/'a'/'c' 尺寸，'a'/'c' 匹配
 // InputPeerPhotoFileLocation big/small 与 channelFull 下载路径），不绑定 profile_photos。用于频道 editPhoto。
 func (s *Service) CreateAvatarFromUpload(ctx context.Context, file domain.UploadedFileRef) (domain.Photo, error) {

internal/app/users/service.go

@@ -253,6 +253,35 @@ func (s *Service) UpdateUsername(ctx context.Context, userID int64, username str
 	return s.projectOne(ctx, self.ID, u)
 }
 
+// SetPhone force-sets a user's phone number (admin use -- no code
+// verification, unlike the user-facing verified change-phone flow in
+// internal/app/account). Pre-checks availability via ByPhone before writing,
+// on top of the store's own unique-constraint backstop.
+func (s *Service) SetPhone(ctx context.Context, userID int64, phone string) (domain.User, error) {
+	self, err := s.loadSelf(ctx, userID)
+	if err != nil {
+		return domain.User{}, err
+	}
+	phone = domain.NormalizePhone(strings.TrimSpace(phone))
+	if !domain.ValidPhone(phone) {
+		return domain.User{}, domain.ErrPhoneNumberInvalid
+	}
+	if phone == self.Phone {
+		return s.projectOne(ctx, self.ID, self)
+	}
+	if existing, found, err := s.users.ByPhone(ctx, phone); err != nil {
+		return domain.User{}, err
+	} else if found && existing.ID != self.ID {
+		return domain.User{}, domain.ErrPhoneNumberOccupied
+	}
+	u, err := s.users.UpdatePhone(ctx, self.ID, phone)
+	if err != nil {
+		return domain.User{}, err
+	}
+	s.refreshCachedUsers(ctx, u)
+	return s.projectOne(ctx, self.ID, u)
+}
+
 // UpdateProfile 修改当前用户的基础资料。未设置的字段保持原值。
 func (s *Service) UpdateProfile(ctx context.Context, userID int64, update domain.UserProfileUpdate) (domain.User, error) {
 	self, err := s.loadSelf(ctx, userID)