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This PR adds support for a new feature flag `tui.animations`. By default, the TUI uses animations in its welcome screen, "working" spinners, and "shimmer" effects. This animations can interfere with screen readers, so it's good to provide a way to disable them. This change is inspired by [a PR](https://github.com/openai/codex/pull/4014) contributed by @Orinks. That PR has faltered a bit, but I think the core idea is sound. This version incorporates feedback from @aibrahim-oai. In particular: 1. It uses a feature flag (`tui.animations`) rather than the unqualified CLI key `no-animations`. Feature flags are the preferred way to expose boolean switches. They are also exposed via CLI command switches. 2. It includes more complete documentation. 3. It disables a few animations that the other PR omitted.
codex-core
This crate implements the business logic for Codex. It is designed to be used by the various Codex UIs written in Rust.
Dependencies
Note that codex-core makes some assumptions about certain helper utilities being available in the environment. Currently, this support matrix is:
macOS
Expects /usr/bin/sandbox-exec to be present.
Linux
Expects the binary containing codex-core to run the equivalent of codex sandbox linux (legacy alias: codex debug landlock) when arg0 is codex-linux-sandbox. See the codex-arg0 crate for details.
All Platforms
Expects the binary containing codex-core to simulate the virtual apply_patch CLI when arg1 is --codex-run-as-apply-patch. See the codex-arg0 crate for details.