AI Changelog Aggregator

https://github.com/openai/codex/pull/2294 moves the login server from Python to Rust, which should help with both https://github.com/openai/codex/issues/2000 and https://github.com/openai/codex/issues/2044.
https://github.com/openai/codex/pull/2029 adds support for markdown streaming
https://github.com/openai/codex/pull/2270 improves the UI treatment of diffs so they are more readable when using a light background
https://github.com/openai/codex/pull/2113 ctrl-z can be used to suspend the TUI