feat: support cloned voice deletion

apps/api/internal/store/cloned_voices.go

@@ -133,6 +133,7 @@ SELECT `+clonedVoiceColumns+`
 FROM gateway_cloned_voices v
 LEFT JOIN integration_platforms p ON p.id = v.platform_id
 WHERE (
+  (
     NULLIF($1, '')::uuid IS NOT NULL
     AND v.gateway_user_id = NULLIF($1, '')::uuid
   )
@@ -140,6 +141,8 @@ WHERE (
     NULLIF($2, '') IS NOT NULL
     AND v.user_id = $2
   )
+)
+  AND v.status <> 'deleted'
 ORDER BY v.created_at DESC`, gatewayUserID, userID)
 	if err != nil {
 		return nil, err
@@ -181,6 +184,7 @@ WHERE (
     (NULLIF($3, '')::uuid IS NOT NULL AND v.id = NULLIF($3, '')::uuid)
     OR (NULLIF($4, '') IS NOT NULL AND v.voice_id = $4)
   )
+  AND v.status NOT IN ('deleted', 'failed')
 ORDER BY CASE WHEN NULLIF($3, '')::uuid IS NOT NULL AND v.id = NULLIF($3, '')::uuid THEN 0 ELSE 1 END,
          v.created_at DESC
 LIMIT 1`, gatewayUserID, userID, clonedVoiceID, voiceID))
@@ -193,6 +197,46 @@ LIMIT 1`, gatewayUserID, userID, clonedVoiceID, voiceID))
 	return item, true, nil
 }
 
+func (s *Store) DeleteClonedVoiceForUser(ctx context.Context, user *auth.User, clonedVoiceID string, voiceID string) (ClonedVoice, bool, error) {
+	gatewayUserID, userID := clonedVoiceUserKeys(user)
+	clonedVoiceID = strings.TrimSpace(clonedVoiceID)
+	voiceID = strings.TrimSpace(voiceID)
+	if clonedVoiceID == "" && voiceID == "" {
+		return ClonedVoice{}, false, nil
+	}
+	item, err := scanClonedVoice(s.pool.QueryRow(ctx, `
+WITH updated AS (
+  UPDATE gateway_cloned_voices v
+  SET status = 'deleted', updated_at = now()
+  WHERE (
+      (
+        NULLIF($1, '')::uuid IS NOT NULL
+        AND v.gateway_user_id = NULLIF($1, '')::uuid
+      )
+      OR (
+        NULLIF($2, '') IS NOT NULL
+        AND v.user_id = $2
+      )
+    )
+    AND (
+      (NULLIF($3, '')::uuid IS NOT NULL AND v.id = NULLIF($3, '')::uuid)
+      OR (NULLIF($4, '') IS NOT NULL AND v.voice_id = $4)
+    )
+    AND v.status <> 'deleted'
+  RETURNING *
+)
+SELECT `+clonedVoiceColumns+`
+FROM updated v
+LEFT JOIN integration_platforms p ON p.id = v.platform_id`, gatewayUserID, userID, clonedVoiceID, voiceID))
+	if err != nil {
+		if IsNotFound(err) {
+			return ClonedVoice{}, false, nil
+		}
+		return ClonedVoice{}, false, err
+	}
+	return item, true, nil
+}
+
 func (s *Store) TouchClonedVoiceUsage(ctx context.Context, clonedVoiceID string) error {
 	if strings.TrimSpace(clonedVoiceID) == "" {
 		return nil