Summary

Modal editing in the input box with normal/insert/visual behavior.

Acceptance criteria

• Toggle via config composer.mode = vim.
• Standard vim motions in normal mode.
• ESC enters normal.

Files

crates/tui/src/tui/app.rs composer

Size

M

Source

Source tag: PRIOR. Add exact upstream/opencode source links during implementation if they are not already known. Do not copy external code blindly; port the behavior into this repo's architecture.

Filed from 2026-05-02 v0.8.8 intake.