feat: introduce notty flag for version command

[redpanda-f]

PR offshoot of #72, needed for cleaner report generation.

[Copilot]

Pull request overview

Adds a --noterminal option to the foc-devnet version subcommand so version output can be emitted without tracing formatting/prefixes, enabling cleaner capture by scripts/reporters.

Changes:

• Extend the CLI Version subcommand to accept a --noterminal boolean flag.
• Update main.rs routing to pass the flag through to the version handler.
• Refactor version output to conditionally emit via tracing::info! vs println!, and extract relative-time formatting into a helper.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
src/main_app/version.rs	Adds conditional emission (plain vs tracing) and factors out relative time formatting.
src/main.rs	Routes Commands::Version { noterminal } into the updated handler signature.
src/cli.rs	Adds the --noterminal flag to the version subcommand.

[Copilot]

@redpanda-f I've opened a new pull request, #86, to work on those changes. Once the pull request is ready, I'll request review from you.

[rvagg]

A couple items:

1. plain or some other standard idiom would be preferred to noterminal, even notty would be better; the more idiomatic a tool the better feel it has so always reach for something common

2. why not just detect, this is the normal approach to such things and then you don't even need to think about it:

use std::io::IsTerminal;
let plain = !std::io::stdout().is_terminal();

[redpanda-f]

A couple items:

1. plain or some other standard idiom would be preferred to noterminal, even notty would be better; the more idiomatic a tool the better feel it has so always reach for something common
2. why not just detect, this is the normal approach to such things and then you don't even need to think about it:

use std::io::IsTerminal;
let plain = !std::io::stdout().is_terminal();

Let me try this approach

[redpanda-f]

Fixed, added notty instead of noterminal, and .is_terminal() check