Add AIServer, character art pipeline, and Art package boot integration.

Bring in MaleExplorer assets/shaders, model tooling and Hunyuan updates, plus boot/YooAsset Art package support.

Co-authored-by: Cursor <cursoragent@cursor.com>

Tools/hunyuan_3d/__init__.py

@@ -2,6 +2,7 @@
 
 from .auth import ensure_login, is_logged_in, logout, start_wechat_login_blocking, status
 from .client import FACE_LABELS, generate_from_image
+from .errors import HunyuanQuotaExceeded, HunyuanReloginNeeded
 
 __all__ = [
     "ensure_login",
@@ -11,4 +12,6 @@ __all__ = [
     "status",
     "FACE_LABELS",
     "generate_from_image",
+    "HunyuanQuotaExceeded",
+    "HunyuanReloginNeeded",
 ]