chore: scaffold PySide6 application

src/core/models.py

@@ -0,0 +1,18 @@
+from dataclasses import dataclass
+from pathlib import Path
+
+
+@dataclass
+class ImageAsset:
+    path: Path
+    selected: bool = True
+
+
+@dataclass
+class TransformState:
+    x: float = 0
+    y: float = 0
+    width: float = 0
+    height: float = 0
+    rotation: float = 0
+    keep_aspect_ratio: bool = True