- Fix#223: Use `position` instead of `box.getPosition()` for render_sprite
positioning. The box was being set to (0,0) for texture rendering and
never restored, causing frames to render at wrong positions.
- Fix#224: Add disableRenderTexture() method and call it when toggling
clip_children or cache_subtree off. This properly cleans up the texture
and prevents stale rendering.
- Fix#225: Improve dirty propagation in markContentDirty() to propagate
to parent even when already dirty, if the parent was cleared (rendered)
since last propagation. Prevents child changes from being invisible.
- Fix#226: Add fallback to standard rendering when RenderTexture can't
be created (e.g., zero-size frame). Prevents inconsistent state.
Closes#223, closes#224, closes#225, closes#226
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
