Greptile Summary

This PR adds explicit return type annotations to the Toaster component's static methods in the Reflex toast notification system. The changes enhance type safety by adding -> EventSpec return type annotations to all toast methods (toast_info, toast_warning, toast_error, toast_success, toast_loading, and toast_dismiss), as well as the core send_toast method.

Additionally, the PR improves type specificity by changing parameter type annotations from generic Var to more specific Var[str] for string parameters. This change aligns with Reflex's strongly typed Var system where Var[T] explicitly indicates the JavaScript type of a variable.

The toast notification system is part of Reflex's user feedback mechanisms, allowing developers to display brief messages to users. The Toaster component manages these notifications with methods for different severity levels (info, warning, error, success, loading) and dismissal functionality. These methods all return EventSpec objects that represent events to be executed in the frontend.

The corresponding hash update in pyi_hashes.json indicates that the type stub file was regenerated to reflect these new type annotations, ensuring consistency between runtime code and IDE type hints. This change fits into Reflex's broader type safety initiative and provides better developer experience through improved IntelliSense and static type checking.

Confidence score: 5/5

• This PR is extremely safe to merge with no risk of breaking changes or runtime behavior modifications
• Score reflects that these are pure type annotation additions that only improve static analysis without changing functionality
• No files require special attention as the changes are straightforward type safety improvements

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