feat: add stickers

internal/service/sadhna_service.go

@@ -398,6 +398,28 @@ func (s *SadhnaService) Rewards(ctx context.Context, userID string) ([]model.Sad
 
 // AckRewards clears the user's pending celebration(s) after the client has
 // shown the confetti.
+// OpenGift un-blurs one gift after the devotee has seen its celebration.
+//
+// Per gift, not per user: someone with two waiting should open them one at a
+// time rather than have the first dismissal clear both.
+func (s *SadhnaService) OpenGift(ctx context.Context, userID, rewardKey string) error {
+	return s.rewards.OpenGift(ctx, userID, rewardKey)
+}
+
+// GiftToEveryone hands a reward to every account. Returns how many it reached.
+func (s *SadhnaService) GiftToEveryone(ctx context.Context, rewardKey string) (int64, error) {
+	reward, err := s.rewards.ByKey(ctx, rewardKey)
+	if err != nil {
+		return 0, err
+	}
+	return s.rewards.GrantGiftToEveryone(ctx, reward.ID)
+}
+
+// GiftableRewards is the catalog an admin picks from.
+func (s *SadhnaService) GiftableRewards(ctx context.Context) ([]model.SadhnaReward, error) {
+	return s.rewards.ListGiftable(ctx)
+}
+
 func (s *SadhnaService) AckRewards(ctx context.Context, userID string) error {
 	return s.rewards.MarkCelebrated(ctx, userID)
 }