feat: implement automated 3D character pipeline with retargeting and rig management tools

export_presets.cfg

@@ -6,7 +6,12 @@ runnable=true
 dedicated_server=false
 custom_features=""
 export_filter="all_resources"
-include_filter=""
+; Character skins are loaded as RAW files at runtime (GLBLoader reads the bytes
+; and parses them with GLTFDocument), and each one needs its .rig.json sidecar
+; for cloth chains, leg colliders and bone roles. Neither is a Godot resource,
+; so without this filter an exported build ships characters with no secondary
+; motion at all — or no character.
+include_filter="*.glb, *.json"
 exclude_filter=""
 export_path="./Papaya-Shooter.exe"
 patches=PackedStringArray()