## Summary
Keep mobile toasts above navigation and modal sheets with an app-level
overlay and a tiny transparent iOS composition boundary. Preserve Retry,
automatic dismissal, and taps on underlying controls.
### Related issue
No duplicate found in the toast issue/PR search.
### Testing
Full mobile tests and analysis pass; iOS simulator and device builds
succeed. Verified layering, Retry, dismissal, and underlying taps in a
native simulator preview; human confirmed on iPhone with their existing
profile/community. Broader repository checks are in progress.
Before / after (isolated native simulator preview using production
widgets):
| Before | After |
| --- | --- |
| 
| 
|
<!-- buzz-review-completed -->
Signed-off-by: kenny lopez <klopez4212@gmail.com>
Co-authored-by: Terp <5856f6900e8e0a4e0ea1f4f8d2ee33e4753d2119bc122f94ecafc660b46c0511@buzz.block.builderlab.xyz>