fix: align video generation payloads

apps/api/internal/runner/recording.go

@@ -86,7 +86,7 @@ func taskMetrics(task store.GatewayTask, user *auth.User, body map[string]any, c
 		copyIfPresent(metrics, body, "style")
 	case "videos.generations":
 		metrics["hasReferenceImage"] = imageInputCount(body) > 0
-		metrics["hasReferenceVideo"] = hasAnyString(body, "video", "video_url", "videoUrl", "reference_video", "referenceVideo")
+		metrics["hasReferenceVideo"] = hasAnyString(body, "video", "video_url", "videoUrl", "reference_video", "referenceVideo") || hasVideoContent(body)
 		copyIfPresent(metrics, body, "duration")
 		copyIfPresent(metrics, body, "resolution")
 		copyIfPresent(metrics, body, "size")
@@ -303,9 +303,23 @@ func imageInputCount(body map[string]any) int {
 			count += len(values)
 		}
 	}
+	for _, item := range contentItems(body["content"]) {
+		if isImageContent(item) {
+			count++
+		}
+	}
 	return count
 }
 
+func hasVideoContent(body map[string]any) bool {
+	for _, item := range contentItems(body["content"]) {
+		if isVideoContent(item) {
+			return true
+		}
+	}
+	return false
+}
+
 func hasAnyString(body map[string]any, keys ...string) bool {
 	for _, key := range keys {
 		if stringFromMap(body, key) != "" {