[repo-assist] fix(menu): accept localized selection shortcuts

[github-actions]

Warning

Threat Detection Engine Failure — The analysis engine could not complete. This is a tooling failure, not a security finding.

What happened

The threat detection results could not be parsed.

Review the workflow run logs for details.

🤖 This PR was prepared by Repo Assist, an automated AI assistant for this repository.

Closes #2895

Root cause

The selection menu translates its shortcut hints, but input handling only recognized the English aliases (a, ab, i, no, and n). Localized shortcuts such as Russian B for “All” were displayed but ignored.

Changes

• Extract the bracketed shortcut aliases from the localized menu prompt.
• Match localized aliases alongside the existing English words and shortcuts.
• Add a regression test covering a localized “All” shortcut.

Test Status

• go test ./pkg/menus — passed
• make build — passed

No new dependencies were added.

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[github-actions]

Threat detection produced a warning for this pull request output.

These changes need to be scrutinized before merge and only merged after a careful manual review.

• Detection reason: parse_error
• Review workflow run logs: https://github.com/Jguer/yay/actions/runs/31145911409