feat(tui): easily retry failed commands

[davidpdrsn]

If you ran a command in the TUI, and it failed, it would be discarded.
That made it tedious to retry.

This fixes that so if the command failed you stay in command mode with
the previous command in the input. That way you can easily tweak it and
try again.

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Note

This pull request is part of a stack:

• feat(tui): insert commits above or below existing commits
  • feat(tui): easily retry failed commands 👈 you are here

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
gitbutler-web	Ignored		Mar 19, 2026 9:53am

[Copilot]

Pull request overview

This PR improves the but legacy status TUI command mode UX by keeping the user in command mode (with the previous command preserved) when a command fails, making it easy to tweak and retry.

Changes:

• Update command execution flow to only return to normal mode on success; on failure, show a transient error and keep command input intact.
• Add a focused test module for command mode behavior and new snapshots covering success and failure scenarios.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
crates/but/src/command/legacy/status/tui/mod.rs	Keep command mode active on non-zero exit and show a transient error; factor out prompt + exit-status formatting.
crates/but/src/command/legacy/status/tui/tests/mod.rs	Register new command_tests module.
crates/but/src/command/legacy/status/tui/tests/command_tests.rs	Add tests asserting command-mode success returns to normal and failures preserve the input.
crates/but/src/command/legacy/status/tui/tests/snapshots/command_mode_success_001.txt	Snapshot: entering command mode with initial input.
crates/but/src/command/legacy/status/tui/tests/snapshots/command_mode_success_002.txt	Snapshot: command mode with typed args.
crates/but/src/command/legacy/status/tui/tests/snapshots/command_mode_success_003.txt	Snapshot: post-success returns to normal mode.
crates/but/src/command/legacy/status/tui/tests/snapshots/command_mode_failure_001.txt	Snapshot: non-zero exit shows error popup while retaining command input.

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