## Summary
- Prefetch user budget on app initialization to ensure budget info is
available immediately on load
- Invalidate user budget query when Dyad Pro API key is saved to reflect
updated subscription status immediately
- Added documentation for React Query prefetch and invalidation patterns
to AGENTS.md

## Test plan
- Verify that user budget data loads on app startup
- Test saving a Dyad Pro API key and confirm the budget information
updates automatically
- Check that the app continues to work correctly without a Dyad Pro
subscription

🤖 Generated with [Claude Code](https://claude.com/claude-code)
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<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Prefetches the user budget on app load and invalidates the budget query
after saving a Dyad Pro API key, so subscription status and budget
update instantly. Adds React Query docs for prefetch and invalidation
patterns.

<sup>Written for commit 92b15f29cda8b9b19ba04d281c6e3774ea3928c8.
Summary will update on new commits.</sup>

<!-- End of auto-generated description by cubic. -->
Co-authored-by: Will Chen <willchen90@gmail.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>