feat(ui): add configurable status-line rows

[tautvydasLiekis]

What was wrong

A crowded single status row hid useful fields, and changing customization could overwrite custom status-script settings. Ferment V2 state also lacked its own visible field on master.

Fix

Support one to three native rows (one by default), packing fields before shortening or hiding them. Preserve custom script configuration and output. Add a separate V2 field with a minimal presentation-only publisher; no plan-execution, naming or controller changes.

Validation

The script-preservation regression failed with the old assignment. Passed 392 focused tests, 13 TUI workflows, lint/typecheck and binary build. Independent review passed, including reruns of 294 focused tests and both customization workflows.

[kimchi-review]

Kimchi Code Review

Property	Value
Commit	64a8715
Author	@tautvydasLiekis
Files changed	14
Review status	Completed
Comments	2 (2 info)
Duration	187s

Summary

📊 Review Score: 90/100 (overall code quality — 0 lowest, 100 highest)
⏱️ Estimated effort to review: 3/5 (1 = trivial, 5 = very complex)

🧪 Tests: yes — Comprehensive coverage: unit tests for multi-row fitting (renderFittedLines, StatusLineScript, config persistence, CustomizeStatusLineComponent row cycling), Ferment V2 status formatting/publishing, and end-to-end TUI tests for row customization and V2 lifecycle rendering.

📝 Found 2 issue(s). See inline comments for details.

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[kimchi-review]

📊 Review Score: 90/100 (overall code quality — 0 lowest, 100 highest)
⏱️ Estimated effort to review: 3/5 (1 = trivial, 5 = very complex)

🧪 Tests: yes — Comprehensive coverage: unit tests for multi-row fitting (renderFittedLines, StatusLineScript, config persistence, CustomizeStatusLineComponent row cycling), Ferment V2 status formatting/publishing, and end-to-end TUI tests for row customization and V2 lifecycle rendering.

📝 Found 2 issue(s). See inline comments for details.