feat(search): include originalType (FILM/TV_SERIES) for KP results; ensure KP poster/backdrop proxied

pkg/models/unified.go

@@ -75,6 +75,7 @@ type UnifiedSearchItem struct {
     SourceID    string             `json:"sourceId"`
     Title       string             `json:"title"`
     Type        string             `json:"type"`
+    OriginalType string            `json:"originalType,omitempty"`
     ReleaseDate string             `json:"releaseDate"`
     PosterURL   string             `json:"posterUrl"`
     Rating      float64            `json:"rating"`

pkg/services/unified_mapper.go

@@ -236,6 +236,7 @@ func MapKPSearchToUnifiedItems(kps *KPSearchResponse) []models.UnifiedSearchItem
             SourceID:    "kp_" + strconv.Itoa(kpId),
             Title:       title,
             Type:        mapKPTypeToUnifiedShort(f.Type),
+            OriginalType: strings.ToUpper(strings.TrimSpace(f.Type)),
             ReleaseDate: yearToDate(f.Year),
             PosterURL:   poster,
             Rating:      rating,