Add a window-management layer so the chat, roster and sandbox-terminal
panes can be resized live and fullscreened, with named presets for
recall.
- New layout.rs: single source of truth for the body split (pty_pct,
roster_width) and a Zoom state (Normal/Term/Chat), persisted to
layouts/<slug>.toml like themes. Both ui::draw and app::sbx_dims read
from it, so resizing just mutates state and clears announced_dims —
the per-tick loop re-syncs and broadcasts the new PTY grid.
- F4 cycles terminal/chat fullscreen (F-keys aren't forwarded to the
shell, so nothing is stolen from in-shell apps).
- Interactive editing: click a pane (or F5 to cycle terminal -> chat ->
roster) to select it; arrows then resize it live, Esc/Enter finishes.
The selected pane gets a bold accent border and an ✎ title marker.
ui::pane_at hit-tests against the same body_areas rects draw() paints.
- /layout slimmed to presets only (save/load/list/rm/reset); the old
numeric pty/chat/roster and full/chatfull/normal verbs are replaced by
the interactive flow.
- Help menu updated: LAYOUT cluster + KEYS line document F4, click/F5,
arrows and Esc.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
leetcrypt