feat: add resource library and real image workflow

app/domain/enums.py

@@ -82,3 +82,26 @@ class AssetType(str, Enum):
     QC_CANDIDATE = "qc_candidate"
     MANUAL_REVISION = "manual_revision"
     FINAL = "final"
+
+
+class LibraryResourceType(str, Enum):
+    """Supported resource-library item types."""
+
+    MODEL = "model"
+    SCENE = "scene"
+    GARMENT = "garment"
+
+
+class LibraryFileRole(str, Enum):
+    """Supported file roles within a library resource."""
+
+    ORIGINAL = "original"
+    THUMBNAIL = "thumbnail"
+    GALLERY = "gallery"
+
+
+class LibraryResourceStatus(str, Enum):
+    """Lifecycle state for a library resource."""
+
+    ACTIVE = "active"
+    ARCHIVED = "archived"