refactor: update event handling to use ComfyEvent and ConnectionEvent

[jmjoy]

No description provided.

[Copilot]

Pull Request Overview

This PR refactors event handling to leverage the new ComfyEvent and ConnectionEvent abstractions, removing the legacy ExecutedOutput and OtherEvent variants.

• Updated import paths and pattern matching to reflect the new event types
• Refactored tests, client event stream processing, and example code accordingly

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
tests/integration.rs	Updated event pattern matching in integration tests
src/meta.rs	Refactored event enums and executed output structure
src/lib.rs	Adjusted event stream handling to use new event types
examples/text_to_image.rs	Updated matching on event variants in example usage

Comments suppressed due to low confidence (2)

examples/text_to_image.rs:193

• [nitpick] The warning message for unknown events currently logs a generic message. Consider including additional context—such as the expected event types—to improve debugging clarity.

ComfyEvent::Unknown(event) => {

src/lib.rs:526

• The fallback logic now wraps deserialization errors as ComfyEvent::Unknown. Ensure that all downstream consumers of Event are updated to handle this new variant appropriately.

match serde_json::from_value::<ComfyEvent>(value.clone()) {