ui: ctrl+c hint replaces the meta line for 3s; meta line truncates with …

[hbrooks]

The first ctrl+c now shows "press ctrl+c again to exit" on the footer meta line (replacing it) instead of the notice line above the composer, and the arm expires after 3 seconds. The meta line also truncates to the terminal width with a trailing … when even the plain form overflows.

Important

Moves the ctrl+c hint to the footer meta line and makes it expire after 3 seconds; improves meta line truncation to respect terminal width.

• When Ctrl+C is pressed, the press ctrl+c again to exit hint now appears on the meta line below the composer instead of the notice line above it, and the prompt automatically disarms after 3 seconds.
• The meta line now truncates with a trailing … when it exceeds terminal width, instead of attempting to shorten the session ID itself.

^{This description was created by for fd5e3fb. It will automatically update as commits are pushed.}

[ellipsis-dev]

Caution

Changes requested ❌ — 1 issue

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[ellipsis-dev]

The armed branch bypasses the width fit every other branch applies: CTRL_C_QUIT_HINT is 26 columns, so on a terminal 26 columns or narrower it wraps to two rows while the footer math budgets the meta line at exactly one (const fixed = 1 /* meta line */, line 831) — the over-tall frame scrolls Ink's render region and smears stale rows, the failure the comment above warns about. Fit the hint like the other branches.

Reproduce by narrowing the terminal (or a tmux split) to <=26 columns and pressing ctrl+c: metaLine is emitted through a plain with no wrap="truncate" (line 1673), so Ink wraps it onto a second row that the viewBudget/padRows computation never reserved.

Suggested change

	const metaLine = ctrlCArmed
	? CTRL_C_QUIT_HINT
	: linked.length < cols
	? linked
	: plain.length < cols
	? plain
	: metaParts(`${sessionId.slice(0, 20)}…`).join(' · ')
	: `${plain.slice(0, Math.max(0, cols - 2))}…`
	const metaLine = ctrlCArmed
	? CTRL_C_QUIT_HINT.length < cols
	? CTRL_C_QUIT_HINT
	: `${CTRL_C_QUIT_HINT.slice(0, Math.max(0, cols - 2))}…`
	: linked.length < cols
	? linked
	: plain.length < cols
	? plain
	: `${plain.slice(0, Math.max(0, cols - 2))}…`