Add StageBackgroundView and related tests for plain background functionality

- Implemented StageBackgroundView class for managing sky and plain backgrounds in the stage.
- Added functionality to set background type and color, bind camera, and apply themes.
- Created test_phase19_plain_background.gd to validate plain background behavior and migration.
- Developed test_phase19_starter_chooser_layout.gd to ensure proper layout and functionality of the starter chooser.
- Included visual capture tests for UI elements and interactions.
This commit is contained in:
2026-10-22 16:18:25 -04:00
parent db677dc194
commit 59f1817063
43 changed files with 2403 additions and 160 deletions
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uid://dp47aexhannrg