codex

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Felipe Coury cebe57b723 fix(tui): keep /copy aligned with rollback (#18739 )

## Why

Fixes #18718.

After rewinding a thread, `/copy` could still copy the latest assistant
response from before the rewind. The transcript cells were rolled back,
but the copy source was a single `last_agent_markdown` cache that was
not synchronized with backtracking, so the visible conversation and
copied content could diverge.

## What changed

`ChatWidget` now keeps a bounded copy history for the most recent 32
assistant responses, keyed by the visible user-turn count. When local
rollback trims transcript cells, the copy cache is trimmed to the same
surviving user-turn count so `/copy` uses the latest visible assistant
response.

If the user rewinds past the retained copy window, `/copy` now reports:

```text
Cannot copy that response after rewinding. Only the most recent 32 responses are available to /copy.
```

The change also adds coverage for copying the latest surviving response
after rollback and for the over-limit rewind message.

## Verification

- Manually resumed a synthetic 35-turn session, rewound within the
retained window, and verified `/copy` copied the surviving response.
- Manually rewound past the retained window and verified `/copy` showed
the 32-response limit message.
- `cargo test -p codex-tui slash_copy`
- `just fix -p codex-tui`
- `cargo insta pending-snapshots`

Note: `cargo test -p codex-tui` currently fails on unrelated model
catalog and snapshot drift around the default model changing to
`gpt-5.4`; the focused `/copy` tests pass after fixing the new test
setup.

cebe57b723 · 2026-04-20 19:24:10 -03:00

History

frames

Rename tui_app_server to tui (#16104 )

2026-03-28 11:23:07 -06:00

src

fix(tui): keep /copy aligned with rollback (#18739 )

2026-04-20 19:24:10 -03:00

tests

Stabilize Bazel tests (timeout tweaks and flake fixes) (#17791 )

2026-04-16 07:57:51 -07:00

BUILD.bazel